CN112379300A - Full-power operation test system, method and control method for power electronic transformer - Google Patents
Full-power operation test system, method and control method for power electronic transformerDownload PDFInfo
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- CN112379300A CN112379300ACN202011381156.0ACN202011381156ACN112379300ACN 112379300 ACN112379300 ACN 112379300ACN 202011381156 ACN202011381156 ACN 202011381156ACN 112379300 ACN112379300 ACN 112379300A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/40—Testing power supplies
- G01R31/42—AC power supplies
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M5/00—Conversion of AC power input into AC power output, e.g. for change of voltage, for change of frequency, for change of number of phases
- H02M5/02—Conversion of AC power input into AC power output, e.g. for change of voltage, for change of frequency, for change of number of phases without intermediate conversion into DC
- H02M5/04—Conversion of AC power input into AC power output, e.g. for change of voltage, for change of frequency, for change of number of phases without intermediate conversion into DC by static converters
- H02M5/10—Conversion of AC power input into AC power output, e.g. for change of voltage, for change of frequency, for change of number of phases without intermediate conversion into DC by static converters using transformers
- H02M5/12—Conversion of AC power input into AC power output, e.g. for change of voltage, for change of frequency, for change of number of phases without intermediate conversion into DC by static converters using transformers for conversion of voltage or current amplitude only
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M5/00—Conversion of AC power input into AC power output, e.g. for change of voltage, for change of frequency, for change of number of phases
- H02M5/40—Conversion of AC power input into AC power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into DC
- H02M5/42—Conversion of AC power input into AC power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into DC by static converters
- H02M5/44—Conversion of AC power input into AC power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into DC by static converters using discharge tubes or semiconductor devices to convert the intermediate DC into AC
- H02M5/453—Conversion of AC power input into AC power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into DC by static converters using discharge tubes or semiconductor devices to convert the intermediate DC into AC using devices of a triode or transistor type requiring continuous application of a control signal
- H02M5/458—Conversion of AC power input into AC power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into DC by static converters using discharge tubes or semiconductor devices to convert the intermediate DC into AC using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
- H02M5/4585—Conversion of AC power input into AC power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into DC by static converters using discharge tubes or semiconductor devices to convert the intermediate DC into AC using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only having a rectifier with controlled elements
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Abstract
Translated fromChinese
Description
Translated fromChinese技术领域technical field
本申请涉及电力电子变压器技术领域，尤其涉及一种电力电子变压器满功率运行测试系统、方法及控制方法。The present application relates to the technical field of power electronic transformers, and in particular, to a test system, method and control method for full power operation of power electronic transformers.
背景技术Background technique
电力电子变压器为可以连接两个及以上交流或直流电力网络节点，实现电气隔离、电压变换及电能主动调配的新型电气设备，能够便于新能源、新型直流负载及直流微网系统的集中接入及管理调控。为了确保电力电子变压器的相关性能指标能够满足场景应用需求，需要对装置进行性能测试。在这些测试项目中，满功率运行测试项目可以在满载或者过载运行试验下对设备的效率、可靠性及温升等指标进行全面考核，是一项重要的试验项目。Power electronic transformer is a new type of electrical equipment that can connect two or more AC or DC power network nodes to realize electrical isolation, voltage conversion and active allocation of electric energy, which can facilitate the centralized access of new energy, new DC loads and DC micro-grid systems. Management control. In order to ensure that the relevant performance indicators of the power electronic transformer can meet the application requirements of the scene, the performance test of the device is required. Among these test items, the full power operation test item can comprehensively assess the efficiency, reliability and temperature rise of the equipment under the full load or overload operation test, and is an important test item.
在现有技术中，常见的电力电子变压器直流端口等效满功率试验电路通过在变换器拓扑中增加辅助电路与直流源构成功率环试验电路，可以实现对电能的回收及重复利用，但该电路仅用于电力电子变压器直流端口的满功率运行测试，不能对交流端口进行满功率运行测试；另外，常见的电力电子变压器的满功率运行测试方法消耗电能较多，极大的增加了电能成本，造成电能浪费问题。In the prior art, the common equivalent full power test circuit of the DC port of a power electronic transformer can realize the recovery and reuse of electric energy by adding an auxiliary circuit and a DC source to the converter topology to form a power loop test circuit. It is only used for the full power operation test of the DC port of the power electronic transformer, and cannot be used for the full power operation test of the AC port; in addition, the common full power operation test method of the power electronic transformer consumes a lot of power, which greatly increases the power cost. cause power wastage.
发明内容SUMMARY OF THE INVENTION
针对现有技术中的问题，本申请提出了一种电力电子变压器满功率运行测试系统、方法及控制方法，能够实现对电力电子变压器交流端口的满功率运行测试，同时能够减少满功率运行测试的电能消耗。In view of the problems in the prior art, the present application proposes a power electronic transformer full power operation test system, method and control method, which can realize the full power operation test of the AC port of the power electronic transformer and reduce the time required for the full power operation test. power consumption.
为了解决上述技术问题，本申请提供以下技术方案：In order to solve the above-mentioned technical problems, the application provides the following technical solutions:
第一方面，本申请提供一种电力电子变压器满功率运行测试系统，包括：In a first aspect, the present application provides a power electronic transformer full power operation test system, including:
稳压电路和升压电路；Voltage regulator circuit and boost circuit;
所述稳压电路的一端、所述升压电路的一端用于和电力电子变压器的低压交流端口互相连接，该稳压电路的另一端用于与电网连接；One end of the voltage stabilizing circuit and one end of the boosting circuit are used for connecting with the low-voltage AC port of the power electronic transformer, and the other end of the voltage stabilizing circuit is used for connecting with the power grid;
所述升压电路的另一端用于与所述电力电子变压器的高压交流端口连接。The other end of the booster circuit is used for connecting with the high-voltage AC port of the power electronic transformer.
进一步地，所述的电力电子变压器满功率运行测试系统，所述稳压电路，包括：Further, described power electronic transformer full power operation test system, described voltage stabilizer circuit, comprises:
三相全控整流器、三相全控逆变器、直流母线、超级电容器和双向DC/DC变换器；Three-phase fully-controlled rectifier, three-phase fully-controlled inverter, DC bus, supercapacitor and bidirectional DC/DC converter;
所述三相全控整流器的一端与所述三相全控逆变器的一端通过所述直流母线连接，该三相全控整流器的另一端用于与所述电网连接；One end of the three-phase fully-controlled rectifier is connected to one end of the three-phase fully-controlled inverter through the DC bus, and the other end of the three-phase fully-controlled rectifier is used for connection with the power grid;
所述三相全控逆变器的另一端、升压电路的一端用于和所述低压交流端口互相连接；The other end of the three-phase fully-controlled inverter and one end of the booster circuit are used for interconnecting with the low-voltage AC port;
所述超级电容器通过所述双向DC/DC变换器和所述直流母线连接。The supercapacitor is connected to the DC bus through the bidirectional DC/DC converter.
进一步地，所述升压电路，包括：Further, the boost circuit includes:
三相调压器和三相变压器；Three-phase voltage regulators and three-phase transformers;
所述三相调压器的一端与所述三相变压器的一端连接，该三相调压器的另一端、所述稳压电路的一端用于和所述低压交流端口互相连接；One end of the three-phase voltage regulator is connected to one end of the three-phase transformer, and the other end of the three-phase voltage regulator and one end of the voltage-stabilizing circuit are used for interconnecting with the low-voltage AC port;
所述三相变压器的另一端用于与所述高压交流端口连接。The other end of the three-phase transformer is used for connecting with the high-voltage AC port.
第二方面，本申请提供一种控制方法，用于控制所述的电力电子变压器满功率运行测试系统，该方法包括：In a second aspect, the present application provides a control method for controlling the full power operation test system of the power electronic transformer, the method comprising:
当所述稳压电路中的三相全控整流器为定直流电压控制并且该稳压电路中的超级电容器处于充电状态时，判断在预设的时间间隔内，所述稳压电路的电参数变化是否大于第一电参数变化阈值，若是，则将所述超级电容器由充电状态切换为放电状态，并将所述三相全控整流器由定直流电压控制切换为恒功率控制。When the three-phase fully-controlled rectifier in the voltage-stabilizing circuit is controlled by a constant DC voltage and the supercapacitor in the voltage-stabilizing circuit is in a charging state, it is determined that the electrical parameters of the voltage-stabilizing circuit change within a preset time interval Whether it is greater than the first electrical parameter change threshold, if yes, switch the supercapacitor from a charging state to a discharging state, and switch the three-phase fully-controlled rectifier from constant DC voltage control to constant power control.
进一步地，在所述判断在预设的时间间隔内所述稳压电路的电参数变化是否大于第一电参数变化阈值之后，还包括：Further, after judging whether the electrical parameter change of the voltage regulator circuit is greater than the first electrical parameter change threshold within the preset time interval, the method further includes:
若在预设的时间间隔内，所述稳压电路的电参数变化不大于第一电参数变化阈值，则将所述超级电容器保持充电状态，所述三相全控整流器保持定直流电压控制。If within a preset time interval, the electrical parameter change of the voltage regulator circuit is not greater than the first electrical parameter change threshold, the supercapacitor is kept in a charged state, and the three-phase fully-controlled rectifier is kept under constant DC voltage control.
进一步地，所述的控制方法，还包括：Further, the control method also includes:
当所述三相全控整流器为恒功率控制并且所述超级电容器处于放电状态时，判断在预设的时间间隔内所述稳压电路的电参数变化是否小于等于第二电参数变化阈值，若是，则将所述超级电容器由放电状态切换为充电状态，并且将所述三相全控整流器由恒功率控制切换为定直流电压控制；When the three-phase fully-controlled rectifier is under constant power control and the supercapacitor is in a discharge state, it is determined whether the electrical parameter change of the voltage regulator circuit is less than or equal to a second electrical parameter change threshold within a preset time interval, and if so , then the supercapacitor is switched from a discharge state to a charged state, and the three-phase fully-controlled rectifier is switched from constant power control to constant DC voltage control;
其中，所述第一电参数变化阈值大于第二电参数变化阈值。Wherein, the first electrical parameter change threshold is greater than the second electrical parameter change threshold.
进一步地，在所述判断在预设的时间间隔内所述稳压电路的电参数变化是否小于等于第二电参数变化阈值之后，还包括：Further, after judging whether the change of the electrical parameter of the voltage regulator circuit within the preset time interval is less than or equal to the second electrical parameter change threshold, the method further includes:
若在预设的时间间隔内所述稳压电路的电参数变化大于电参数变化阈值，则将所述超级电容器保持放电状态，所述三相全控整流器保持恒功率控制。If the electrical parameter change of the voltage regulator circuit is greater than the electrical parameter change threshold within a preset time interval, the supercapacitor is kept in a discharged state, and the three-phase fully-controlled rectifier is kept under constant power control.
进一步地，所述电参数为：Further, the electrical parameters are:
所述三相全控整流器的输入侧电流或所述稳压电路中的直流母线的电压。The input side current of the three-phase fully-controlled rectifier or the voltage of the DC bus in the voltage regulator circuit.
第三方面，本申请提供一种电力电子变压器满功率运行测试方法，应用所述的电力电子变压器满功率运行测试系统实现，该方法包括：In a third aspect, the present application provides a full power operation test method for a power electronic transformer, which is implemented by applying the power electronic transformer full power operation test system, and the method includes:
当所述电力电子变压器处于满功率运行时，获取所述稳压电路的另一端的输入功率和所述升压电路的另一端的输出功率；When the power electronic transformer is running at full power, obtain the input power of the other end of the voltage regulator circuit and the output power of the other end of the booster circuit;
根据所述输入功率和输出功率，确定所述电力电子变压器的满载运行效率，以应用该满载运行效率，完成所述电力电子变压器的满功率运行测试。According to the input power and the output power, the full-load operation efficiency of the power electronic transformer is determined, and the full-load operation efficiency of the power electronic transformer is applied to complete the full-power operation test of the power electronic transformer.
第四方面，本申请提供一种电子设备，包括存储器、处理器及存储在存储器上并可在处理器上运行的计算机程序，所述处理器执行所述程序时实现所述的控制方法。In a fourth aspect, the present application provides an electronic device, including a memory, a processor, and a computer program stored in the memory and executable on the processor, where the processor implements the control method when executing the program.
第五方面，本申请提供一种计算机可读存储介质，其上存储有计算机指令，所述指令被执行时实现所述的控制方法。In a fifth aspect, the present application provides a computer-readable storage medium on which computer instructions are stored, and when the instructions are executed, the control method is implemented.
由上述技术方案可知，本申请提供一种电力电子变压器满功率运行测试系统、方法及控制方法。其中，该系统包括：稳压电路和升压电路；所述稳压电路的一端、所述升压电路的一端和电力电子变压器的低压交流端口互相连接，该稳压电路的另一端与电网连接；所述升压电路的另一端与所述电力电子变压器的高压交流端口连接，能够实现对电力电子变压器交流端口的满功率运行测试，同时能够减少满功率运行测试的电能消耗；具体地，能够同时实现对电力电子变压器交流端口的满功率运行测试；可以在低电能消耗条件下实现电力电子变压器的满功率运行测试；能够有效平抑电力电子变压器自身功率突变对运行测试系统交流输出电压的影响，实现测试电力电子变压器的整体效率，能够提升运行测试的稳定性。As can be seen from the above technical solutions, the present application provides a full power operation test system, method and control method for a power electronic transformer. Wherein, the system includes: a voltage stabilizing circuit and a boosting circuit; one end of the voltage stabilizing circuit, one end of the boosting circuit and the low-voltage AC port of the power electronic transformer are connected to each other, and the other end of the voltage stabilizing circuit is connected to the power grid The other end of the booster circuit is connected to the high-voltage AC port of the power electronic transformer, which can realize the full-power running test of the AC port of the power electronic transformer, and can reduce the power consumption of the full-power running test; At the same time, the full power operation test of the AC port of the power electronic transformer can be realized; the full power operation test of the power electronic transformer can be realized under the condition of low power consumption; the influence of the power mutation of the power electronic transformer itself on the AC output voltage of the operation test system can be effectively suppressed. Achieving the overall efficiency of testing power electronic transformers can improve the stability of running tests.
附图说明Description of drawings
为了更清楚地说明本申请实施例或现有技术中的技术方案，下面将对实施例或现有技术描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本申请的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the following briefly introduces the accompanying drawings required for the description of the embodiments or the prior art. Obviously, the drawings in the following description are only These are some embodiments of the present application. For those of ordinary skill in the art, other drawings can also be obtained based on these drawings without any creative effort.
图1是本申请实施例中电力电子变压器满功率运行测试系统的结构示意图；1 is a schematic structural diagram of a power electronic transformer full-power operation test system in an embodiment of the present application;
图2是本申请另一实施例中电力电子变压器满功率运行测试系统、电力电子变压器和电网之间的关系示意图；2 is a schematic diagram of the relationship between a power electronic transformer full power operation test system, a power electronic transformer and a power grid in another embodiment of the present application;
图3是本申请实施例中控制方法的流程示意图；3 is a schematic flowchart of a control method in an embodiment of the present application;
图4是本申请应用实例中控制方法的流程示意图；4 is a schematic flowchart of a control method in an application example of the present application;
图5为本申请实施例的电子设备的系统构成示意框图。FIG. 5 is a schematic block diagram of a system configuration of an electronic device according to an embodiment of the present application.
具体实施方式Detailed ways
为了使本技术领域的人员更好地理解本说明书中的技术方案，下面将结合本申请实施例中的附图，对本申请实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本申请一部分实施例，而不是全部的实施例。基于本申请中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本申请保护的范围。In order to make those skilled in the art better understand the technical solutions in this specification, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application. Obviously, the described The embodiments are only a part of the embodiments of the present application, but not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present application.
电力电子变压器一般采用三级变换器组成，具有滤波电路简单、同时拥有交直流端口、模块化程度高等优点。Power electronic transformers are generally composed of three-stage converters, which have the advantages of simple filter circuit, AC and DC ports, and high modularity.
满功率运行测试可以对测试设备进行满载或者过载运行试验，考核测试设备的效率、可靠性、温升等指标。The full power operation test can carry out the full load or overload operation test of the test equipment, and evaluate the efficiency, reliability, temperature rise and other indicators of the test equipment.
在对电力电子变压器进行满功率运行测试时，若电力电子变压器的设备运行功率均取自于电网，则将消耗较多电能，极大的增加了电能及测试成本，基于此，本申请提出一种电力电子变压器满功率运行测试系统、方法及控制方法，能够以较低的电能成本对电力电子变压器进行满功率运行测试，实现对设备的效率、可靠性及温升等指标进行全面考核。When the power electronic transformer is tested at full power, if the equipment operating power of the power electronic transformer is taken from the power grid, it will consume a lot of electric energy, which will greatly increase the electric energy and the test cost. Based on this, this application proposes a A power electronic transformer full power operation test system, method and control method can be used to conduct full power operation test of power electronic transformers with lower electric energy cost, and realize comprehensive assessment of equipment efficiency, reliability, temperature rise and other indicators.
具体通过下述各个实施例进行说明。Specifically, it will be described by the following embodiments.
为了对电力电子变压器交流端口的满功率运行测试，同时减少满功率运行测试的电能消耗，参见图1，本实施例提供一种电力电子变压器满功率运行测试系统，包含有：In order to test the full power operation of the AC port of the power electronic transformer and reduce the power consumption of the full power operation test, referring to FIG. 1 , the present embodiment provides a power electronic transformer full power operation test system, including:
稳压电路10和升压电路20；所述稳压电路的一端、所述升压电路的一端用于和电力电子变压器的低压交流端口互相连接，该稳压电路的另一端用于与电网连接；所述升压电路的另一端用于与所述电力电子变压器的高压交流端口连接。A voltage-stabilizing
具体地，根据功率平衡原理，此时电网侧电源仅需提供满功率运行测试系统及电力电子变压器自身的功率损耗。其中，如图2所示，本实施例中的电力电子变压器满功率测试系统可以分别与电网和电力电子变压器连接；图2中Pin表示电网侧电源提供的有功功率，Pla表示电力电子变压器低压交流端口输出功率，Pha表示电力电子变压器高压交流侧输入功率，Pin、Pla和Pha具体数值可由布置于三个端口的测量装置得到；K1至K3表示断路器，AC表示交流电。Specifically, according to the power balance principle, the power supply on the grid side only needs to provide the power loss of the full power operation test system and the power electronic transformer itself. Wherein, as shown in FIG. 2 , the power electronic transformer full power test system in this embodiment can be connected to the power grid and the power electronic transformer respectively; in FIG. 2 , Pin represents the active power provided by the power supply on the grid side, and Pla represents the power electronic transformer. The output power of the low-voltage AC port, Pha represents the input power of the high-voltage AC side of the power electronic transformer, and the specific values of Pin , Pla and Pha can be obtained from the measuring devices arranged at the three ports; K1 to K3 represent the circuit breaker, and AC represents the alternating current.
其中，所述稳压电路的一端可以是指稳压电路的输出端口，所述稳压电路的另一端可以是指稳压电路的输入端口，即低压交流输入端口；所述升压电路的一端可以是指升压电路的输入端口，升压电路的另一端可以是指升压电路的输出端口，即高压交流输出端口。Wherein, one end of the voltage stabilizing circuit may refer to the output port of the voltage stabilizing circuit, and the other end of the voltage stabilizing circuit may refer to the input port of the voltage stabilizing circuit, that is, the low-voltage AC input port; It may refer to the input port of the booster circuit, and the other end of the booster circuit may refer to the output port of the booster circuit, that is, the high-voltage AC output port.
由上述描述可知，本申请提供的电力电子变压器满功率运行测试系统，通过与被测电力电子变压器的低压交流端口和高压交流端口连接，能够在电网仅需提供用于补偿系统损耗的功率情况下，实现对电力电子变压器的满功率运行测试试验，可以有效节约电能，降低试验成本，同时实现对电力电子变压器的交流端口进行满功率运行测试。It can be seen from the above description that the power electronic transformer full-power operation test system provided by the present application, by connecting with the low-voltage AC port and the high-voltage AC port of the power electronic transformer under test, can be used when the power grid only needs to provide power for compensating for system losses. , to realize the full power operation test of the power electronic transformer, which can effectively save electric energy, reduce the test cost, and at the same time realize the full power operation test of the AC port of the power electronic transformer.
为了防止直流母线电压因电力电子变压器的瞬时故障而发生突变，进而提高电力电子变压器满功率运行测试系统运行的稳定性，参见图1，在本申请一个实施例中，所述稳压电路10，包括：In order to prevent the sudden change of the DC bus voltage due to the instantaneous fault of the power electronic transformer, thereby improving the stability of the power electronic transformer full-power operation test system, referring to FIG. 1, in an embodiment of the present application, the
三相全控整流器11、三相全控逆变器12、直流母线13、超级电容器14和双向DC/DC变换器15；所述三相全控整流器的一端与所述三相全控逆变器的一端通过所述直流母线连接，该三相全控整流器的另一端用于与所述电网连接；所述三相全控逆变器的另一端、升压电路的一端用于和所述低压交流端口互相连接；所述超级电容器通过所述双向DC/DC变换器和所述直流母线连接。A three-phase fully-controlled
具体地，三相全控整流器可以将市电变换为直流电，三相全控逆变器可以将直流电变换为线电压有效值为380V的三相交流电压，并且电压幅值不随电网侧电压波动发生明显变化，而超级电容器通过双向DC/DC变换器与直流母线电容并联，可以对直流母线电容提供快速电能补偿，以防止直流母线电压因电力电子变压器的瞬时故障而发生突变，进而能够提高电力电子变压器满功率运行测试系统运行的稳定性。Specifically, the three-phase fully-controlled rectifier can convert mains power into DC power, and the three-phase fully-controlled inverter can convert DC power into three-phase AC voltage with an effective line voltage of 380V, and the voltage amplitude does not fluctuate with grid-side voltage fluctuations Significant changes, while the supercapacitor is connected in parallel with the DC bus capacitor through the bidirectional DC/DC converter, which can provide fast energy compensation for the DC bus capacitor to prevent the DC bus voltage from sudden changes due to the instantaneous fault of the power electronic transformer, which can improve power electronics. The transformer runs at full power to test the stability of the system.
其中，所述三相全控逆变器的一端可以是指三相全控逆变器的输入端口，所述三相全控逆变器的另一端可以是指三相全控逆变器的输出端口，即低压交流输出端口，可以相当于所述稳压电路的一端，所述三相全控整流器的一端可以是指三相全控整流器的输出端口，所述三相全控整流器的另一端可以是指三相全控整流器的交流输入端口，即低压交流输入端口，可以相当于所述稳压电路的另一端。Wherein, one end of the three-phase fully-controlled inverter may refer to the input port of the three-phase fully-controlled inverter, and the other end of the three-phase fully-controlled inverter may refer to the input port of the three-phase fully-controlled inverter. The output port, that is, the low-voltage AC output port, may be equivalent to one end of the voltage regulator circuit, one end of the three-phase fully-controlled rectifier may refer to the output port of the three-phase fully-controlled rectifier, and the other end of the three-phase fully-controlled rectifier. One end may refer to the AC input port of the three-phase fully-controlled rectifier, that is, the low-voltage AC input port, which may be equivalent to the other end of the voltage regulator circuit.
为了实现低压交流输出端口与高压交流输出端口的电气隔离，进而提高电力电子变压器满功率运行测试系统运行的稳定性，参见图1，在本申请一个实施例中，所述升压电路20，包括：In order to realize the electrical isolation of the low-voltage AC output port and the high-voltage AC output port, thereby improving the stability of the power electronic transformer full-power operation test system, referring to FIG. 1 , in an embodiment of the present application, the
三相调压器21和三相变压器22；所述三相调压器的一端与所述三相变压器的一端连接，该三相调压器的另一端、所述稳压电路的一端用于和所述低压交流端口互相连接；所述三相变压器的另一端用于与所述高压交流端口连接。A three-
其中，升压电路可以是隔离升压电路，可将稳压电路提供的380V三相交流电升为10kV，并且实现低压交流输出端口与高压交流输出端口的电气隔离；所述三相调压器的一端可以是指三相调压器的输出端口，三相调压器的另一端可以是指三相调压器的输入端口，可以相当于所述升压电路的一端；所述三相变压器的一端可以是指三相变压器的输入端口，所述三相变压器的另一端可以是指三相变压器的二次侧端口，即高压交流输出端口，可以相当于所述升压电路的另一端。Wherein, the booster circuit can be an isolated booster circuit, which can boost the 380V three-phase AC power provided by the voltage regulator circuit to 10kV, and realize the electrical isolation of the low-voltage AC output port and the high-voltage AC output port; One end may refer to the output port of the three-phase voltage regulator, and the other end of the three-phase voltage regulator may refer to the input port of the three-phase voltage regulator, which may be equivalent to one end of the boost circuit; One end may refer to the input port of the three-phase transformer, and the other end of the three-phase transformer may refer to the secondary side port of the three-phase transformer, that is, the high-voltage AC output port, which may be equivalent to the other end of the booster circuit.
具体地，所述电力电子变压器满功率运行测试系统可以共包含有三个电气端口，包括低压交流输入端口、低压交流输出端口及高压交流输出端口。其中，低压交流输入端口即三相全控整流器交流输入端口(图1中a1、b1、c1即为该低压交流输入端口的A相、B相和C相端口)，该端口接入市电，为测试系统提供电能。低压交流输出端口为三相全控逆变器输出端口(图1中a2、b2、c2即为该三相全控逆变器输出端口的A相、B相和C相端口)，与电力电子变压器低压交流端口相连，而高压交流输出端口(图1中A、B、C即为该高压交流输出端口的A相、B相和C相端口)，为三相变压器二次侧端口，与电力电子变压器的高压交流端口相连。升压电路通过这两个端口与电力电子变压器首尾相连，形成功率环电路，能够实现较低电能成本下电力电子变压器的满功率运行测试。该测试系统内部也可以包含有直流端口(图1中P表示该直流端口的正极、N表示该直流端口的负极)，为了提高系统运行可靠性和稳定性，不作为外部输入或者输出端口。Specifically, the power electronic transformer full-power operation test system may include a total of three electrical ports, including a low-voltage AC input port, a low-voltage AC output port, and a high-voltage AC output port. Among them, the low-voltage AC input port is the AC input port of the three-phase fully-controlled rectifier (a1, b1, and c1 in Figure 1 are the A-phase, B-phase and C-phase ports of the low-voltage AC input port), and this port is connected to the commercial power. Provides power to the test system. The low-voltage AC output port is the output port of the three-phase fully-controlled inverter (a2, b2, and c2 in Figure 1 are the A-phase, B-phase and C-phase ports of the three-phase fully-controlled inverter output port), and the power electronics The low-voltage AC port of the transformer is connected, and the high-voltage AC output ports (A, B, and C in Figure 1 are the A-phase, B-phase and C-phase ports of the high-voltage AC output port) are the secondary side ports of the three-phase transformer, which are connected to the power supply. The high voltage AC port of the electronic transformer is connected. The booster circuit is connected end to end with the power electronic transformer through these two ports to form a power loop circuit, which can realize the full power operation test of the power electronic transformer at a lower power cost. The test system may also include a DC port (P represents the positive pole of the DC port, and N represents the negative pole of the DC port in FIG. 1 ). In order to improve the reliability and stability of the system, it is not used as an external input or output port.
当电力电子变压器内部出现短时放电或瞬时故障时，电力电子变压器自身功率在短时间尺度内会发生较大改变，为了维持直流母线电压的稳定、平抑电力电子变压器自身功率突变对运行测试系统的直流母线电压及交流输出电压的影响，提升运行测试的稳定性，本申请实施例提供一种控制方法，用于控制所述的电力电子变压器满功率运行测试系统，该控制方法的执行主体包括但不限于服务器，参见图3，该方法包括：When a short-term discharge or instantaneous fault occurs inside the power electronic transformer, the power of the power electronic transformer will change greatly in a short time scale. The influence of the DC bus voltage and the AC output voltage improves the stability of the operation test. The embodiment of the present application provides a control method for controlling the full power operation test system of the power electronic transformer. The execution subject of the control method includes but Not limited to the server, see Figure 3, the method includes:
步骤101：当所述稳压电路中的三相全控整流器为定直流电压控制并且该稳压电路中的超级电容器处于充电状态时，判断在预设的时间间隔内所述稳压电路的电参数变化是否大于第一电参数变化阈值，若是，则执行步骤102。Step 101: When the three-phase fully-controlled rectifier in the voltage stabilizer circuit is controlled by a constant DC voltage and the supercapacitor in the voltage stabilizer circuit is in a charging state, determine the voltage of the voltage stabilizer circuit within a preset time interval. Whether the parameter change is greater than the first electrical parameter change threshold, if yes, go to step 102 .
其中，所述电参数可以为：所述三相全控整流器的输入侧电流或所述稳压电路中的直流母线的电压。可以理解的是，若所述电参数为三相全控整流器的输入侧电流，所述第一电参数变化阈值可以为输入侧电流对应的第一电流变化阈值；若所述电参数为直流母线的电压，所述第一电参数变化阈值可以为直流母线的电压对应的第一电压变化阈值。Wherein, the electrical parameter may be: the input side current of the three-phase fully-controlled rectifier or the voltage of the DC bus in the voltage regulator circuit. It can be understood that, if the electrical parameter is the input side current of the three-phase fully-controlled rectifier, the first electrical parameter change threshold may be the first current change threshold corresponding to the input side current; if the electrical parameter is the DC bus The first electrical parameter change threshold may be a first voltage change threshold corresponding to the voltage of the DC bus.
步骤102：将所述超级电容器由充电状态切换为放电状态，并将所述三相全控整流器由定直流电压控制切换为恒功率控制。Step 102: Switch the supercapacitor from a charging state to a discharging state, and switch the three-phase fully-controlled rectifier from constant DC voltage control to constant power control.
具体地，所述预设的时间间隔可根据实际情况进行设置，本申请对此不作限制；在预设的时间间隔内所述电参数变化大于第一电参数变化阈值可以表示电力电子变压器内部出现短时放电或瞬时故障，故采用双向DC/DC变换器与超级电容器组合的方式，在功率环测试电路的损耗功率发生突变时，控制超级电容器放电，从而对直流母线电容进行快速功率补偿，以维持直流母线电压的稳定，而此时三相全控整流器切换为恒功率控制状态(Pin(T)＝Pin(T-△T))，△T可以表示上述预设的时间间隔，以降低功率环测试电路损耗功率突变对电网侧电压的影响。可以通过检测直流母线电压或者三相全控逆变器输入侧/直流侧电流是否发生较大的跃变，来实现三相全控整流桥及双向DC/DC变换器控制策略的切换。Specifically, the preset time interval can be set according to the actual situation, which is not limited in this application; the change of the electrical parameter within the preset time interval is greater than the first electrical parameter change threshold, which may indicate that the power electronic transformer occurs inside In case of short-term discharge or instantaneous fault, the combination of bidirectional DC/DC converter and supercapacitor is used to control the discharge of supercapacitor when the power loss of the power loop test circuit changes abruptly, so as to perform fast power compensation for the capacitance of the DC bus. Maintain the stability of the DC bus voltage, and at this time, the three-phase fully-controlled rectifier switches to the constant power control state (Pin (T)=Pin (T-△T)), △T can represent the above preset time interval, with Reduce the influence of sudden change of power loss in power loop test circuit on grid side voltage. The switching of the control strategy of the three-phase fully-controlled rectifier bridge and the bidirectional DC/DC converter can be realized by detecting whether the DC bus voltage or the input side/DC side current of the three-phase fully-controlled inverter has a large jump.
为了进一步提高电力电子变压器满功率运行测试的稳定性，参见图3，在本申请一个实施例中，该控制方法还包括：In order to further improve the stability of the full power operation test of the power electronic transformer, referring to FIG. 3 , in an embodiment of the present application, the control method further includes:
若在预设的时间间隔内所述稳压电路的电参数变化不大于第一电参数变化阈值，则执行步骤103：将所述超级电容器保持充电状态，所述三相全控整流器保持定直流电压控制。If the electrical parameter change of the voltage regulator circuit is not greater than the first electrical parameter change threshold within the preset time interval,
具体地，当电力电子变压器稳定运行时，功率环测试电路的损耗功率不会发生突变，此时由三相全控整流器来维持直流母线电压的稳定，超级电容器处于充电状态。Specifically, when the power electronic transformer runs stably, the power loss of the power loop test circuit will not change abruptly. At this time, the three-phase fully-controlled rectifier is used to maintain the stability of the DC bus voltage, and the supercapacitor is in a charging state.
为了保证控制策略切换的合理性以及平滑切换稳定性，在本申请一个实施例中，所述的控制方法，还包括：In order to ensure the rationality of control strategy switching and the stability of smooth switching, in an embodiment of the present application, the control method further includes:
步骤104：当所述三相全控整流器为恒功率控制并且所述超级电容器处于放电状态时，判断在预设的时间间隔内所述稳压电路的电参数变化是否小于等于第二电参数变化阈值，若是，则将所述超级电容器由放电状态切换为充电状态，并且将所述三相全控整流器由恒功率控制切换为定直流电压控制；其中，所述第一电参数变化阈值大于第二电参数变化阈值。Step 104: when the three-phase fully-controlled rectifier is under constant power control and the supercapacitor is in a discharging state, determine whether the change in the electrical parameter of the voltage regulator circuit is less than or equal to the change in the second electrical parameter within a preset time interval If yes, switch the supercapacitor from a discharge state to a charge state, and switch the three-phase fully-controlled rectifier from constant power control to constant DC voltage control; wherein the first electrical parameter change threshold is greater than the third Two electrical parameters change threshold.
具体地，当所述三相全控整流器为恒功率控制并且所述超级电容器处于放电状态时，若在预设的时间间隔内所述电参数变化小于等于第二电参数变化阈值，那么双向DC/DC变换器无需控制直流母线电压并对直流母线电容进行快速补偿，可切换为充电状态，相当于一个电流源，因此此时需要将三相全控整流器由恒功率控制切换为定直流电压控制来维持直流母线的稳定。Specifically, when the three-phase fully-controlled rectifier is under constant power control and the supercapacitor is in a discharge state, if the change of the electrical parameter is less than or equal to the second electrical parameter change threshold within a preset time interval, the bidirectional DC The /DC converter does not need to control the DC bus voltage and quickly compensate the DC bus capacitance, and can switch to the charging state, which is equivalent to a current source. Therefore, it is necessary to switch the three-phase fully-controlled rectifier from constant power control to constant DC voltage control at this time. to maintain the stability of the DC bus.
可以理解的是，若所述电参数为三相全控整流器的输入侧电流，所述第二电参数变化阈值可以为输入侧电流对应的第二电流变化阈值，第一电流变化阈值大于第二电流变化阈值；若所述电参数为直流母线的电压，所述第二电参数变化阈值可以为直流母线的电压对应的第二电压变化阈值，第一电压变化阈值大于第二电压变化阈值。It can be understood that, if the electrical parameter is the input side current of the three-phase fully controlled rectifier, the second electrical parameter change threshold may be the second current change threshold corresponding to the input side current, and the first current change threshold is greater than the second current change threshold. Current change threshold; if the electrical parameter is the voltage of the DC bus, the second electrical parameter change threshold may be a second voltage change threshold corresponding to the voltage of the DC bus, and the first voltage change threshold is greater than the second voltage change threshold.
步骤105：若在预设的时间间隔内所述稳压电路的电参数变化大于电参数变化阈值，则将所述超级电容器保持放电状态，所述三相全控整流器保持恒功率控制。Step 105: If the electrical parameter change of the voltage regulator circuit is greater than the electrical parameter change threshold within the preset time interval, the supercapacitor is kept in a discharge state, and the three-phase fully-controlled rectifier is kept under constant power control.
其中，本申请实施例提出的控制方法，可以是一种多时间尺度直流母线电压优化协调控制策略，多时间尺度直流母线电压优化协调控制策略，包含有不同时间尺度内稳定直流母线电压所采用的控制策略及其控制策略切换判据。Among them, the control method proposed in the embodiment of the present application may be a multi-time scale DC bus voltage optimization and coordination control strategy, and a multi-time scale DC bus voltage optimization coordination control strategy, which includes the method used to stabilize the DC bus voltage in different time scales. Control strategies and their control strategy switching criteria.
由此可知，基于所提的电力电子变压器满功率运行测试系统，本申请实施例提出的控制方法，能够有效平抑电力电子变压器自身功率突变对运行测试系统交流输出电压的影响，能够提升满功率运行测试的稳定性。It can be seen from this that, based on the proposed power electronic transformer full-power operation test system, the control method proposed in the embodiments of the present application can effectively suppress the influence of the power mutation of the power electronic transformer itself on the AC output voltage of the operation test system, and can improve the full-power operation. Test stability.
参见图4，为了进一步说明本方案，本申请还提供一种控制方法的应用实例，具体描述如下：Referring to FIG. 4 , in order to further illustrate the solution, the present application also provides an application example of a control method, which is specifically described as follows:
步骤S100：三相全控整流器：定直流电压控制，双向DC/DC变换器：恒功率控制控制，超级电容器处于充电状态。Step S100: Three-phase fully-controlled rectifier: constant DC voltage control, bidirectional DC/DC converter: constant power control and control, and the supercapacitor is in a charging state.
步骤S200：判断
步骤S300：三相全控整流器：恒功率控制，双向DC/DC变换器：定直流电压控制，超级电容器处于放电状态。Step S300: Three-phase fully-controlled rectifier: constant power control, bidirectional DC/DC converter: constant DC voltage control, and the supercapacitor is in a discharge state.
步骤S400：判断
本申请实施例还提供一种电力电子变压器满功率运行测试方法，应用所述的电力电子变压器满功率运行测试系统实现，该方法包括：The embodiment of the present application also provides a full power operation test method of a power electronic transformer, which is realized by applying the power electronic transformer full power operation test system, and the method includes:
步骤201：当所述电力电子变压器处于满功率运行时，获取所述稳压电路的另一端的输入功率和所述升压电路的另一端的输出功率。Step 201: When the power electronic transformer is running at full power, obtain the input power of the other end of the voltage regulator circuit and the output power of the other end of the booster circuit.
可以理解的是，所述输入功率可以相当于电网侧电源提供的有功功率Pin，所述输出功率可以相当于电力电子变压器高压交流侧输入功率Pha。It can be understood that the input power may be equivalent to the active power Pin provided by the grid-side power supply, and the output power may be equivalent to the input power Pha of the high-voltage AC side of the power electronic transformer.
步骤202：根据所述输入功率和输出功率，确定所述电力电子变压器的满载运行效率，以应用该满载运行效率，完成所述电力电子变压器的满功率运行测试。Step 202: Determine the full-load operation efficiency of the power electronic transformer according to the input power and output power, so as to apply the full-load operation efficiency to complete the full-power operation test of the power electronic transformer.
具体地，可以通过控制电力电子变压器低压交流变换器的功率来控制功率环电路中流动的功率。当功率环电路中流动的功率达到或者高于电力电子变压器的额定功率时，可以测试得到电力电子变压器的满载运行效率，实现电力电子变压器的满载运行测试。其中，根据功率平衡原理，可得：Pin＝Pha-Pla。Specifically, the power flowing in the power loop circuit can be controlled by controlling the power of the power electronic transformer low voltage AC converter. When the power flowing in the power loop circuit reaches or is higher than the rated power of the power electronic transformer, the full-load operation efficiency of the power electronic transformer can be tested to realize the full-load operation test of the power electronic transformer. Wherein, according to the power balance principle, it can be obtained: Pin =Pha -Pla .
当功率环中流动的功率达到或高于电力电子变压器额定功率时，电力电子变压器的满载运行效率为：When the power flowing in the power loop is at or above the rated power of the power electronic transformer, the full-load operating efficiency of the power electronic transformer is:
从软件层面来说，为了实现对电力电子变压器交流端口的满功率运行测试，同时减少满功率运行测试的电能消耗，本申请还提供一种用于实现所述控制方法中全部或部分内容的控制装置的实施例，具体描述如下：From the software level, in order to realize the full power operation test of the AC port of the power electronic transformer and reduce the power consumption of the full power operation test, the present application also provides a control method for realizing all or part of the content of the control method. Embodiments of the device are specifically described as follows:
所述控制装置，用于当所述稳压电路中的三相全控整流器为定直流电压控制并且该稳压电路中的超级电容器处于充电状态时，判断在预设的时间间隔内所述稳压电路的电参数变化是否大于第一电参数变化阈值，若是，则将所述超级电容器由充电状态切换为放电状态，并将所述三相全控整流器由定直流电压控制切换为恒功率控制。The control device is used to judge that the voltage stabilizer is in a preset time interval when the three-phase fully-controlled rectifier in the voltage stabilizer circuit is controlled by a constant DC voltage and the supercapacitor in the voltage stabilizer circuit is in a charging state. Whether the electrical parameter change of the voltage circuit is greater than the first electrical parameter change threshold, if so, switch the supercapacitor from a charging state to a discharging state, and switch the three-phase fully-controlled rectifier from constant DC voltage control to constant power control .
本说明书提供的控制装置的实施例具体可以用于执行上述控制方法的实施例的处理流程，其功能在此不再赘述，可以参照上述控制方法实施例的详细描述。The embodiments of the control apparatus provided in this specification can be specifically used to execute the processing flow of the embodiments of the foregoing control methods, and the functions thereof will not be repeated here, and reference may be made to the detailed descriptions of the foregoing control method embodiments.
由上述描述可知，本申请提供的电力电子变压器满功率运行测试系统、方法及控制方法，能够实现对电力电子变压器交流端口的满功率运行测试，同时能够减少满功率运行测试的电能消耗；具体地，能够同时实现对电力电子变压器交流端口的满功率运行测试；可以在低电能消耗条件下实现电力电子变压器的满功率运行测试；能够有效平抑电力电子变压器自身功率突变对运行测试系统交流输出电压的影响，实现测试电力电子变压器的整体效率，能够提升运行测试的稳定性。It can be seen from the above description that the power electronic transformer full power operation test system, method and control method provided by the present application can realize the full power operation test of the AC port of the power electronic transformer, and can reduce the power consumption of the full power operation test at the same time; , can realize the full power operation test of the AC port of the power electronic transformer at the same time; can realize the full power operation test of the power electronic transformer under the condition of low power consumption; can effectively suppress the power mutation of the power electronic transformer itself on the AC output voltage of the operation test system. Influence, to achieve the overall efficiency of testing power electronic transformers, can improve the stability of the operation test.
从硬件层面来说，为了实现对电力电子变压器交流端口的满功率运行测试，同时减少满功率运行测试的电能消耗，本申请提供一种用于实现所述控制方法中的全部或部分内容的电子设备的实施例所述电子设备具体包含有如下内容：From the hardware level, in order to realize the full power running test of the AC port of the power electronic transformer and reduce the power consumption of the full power running test, the present application provides an electronic device for implementing all or part of the control method. The electronic device described in the embodiment of the device specifically includes the following contents:
处理器(processor)、存储器(memory)、通信接口(Communications Interface)和总线；其中，所述处理器、存储器、通信接口通过所述总线完成相互间的通信；所述通信接口用于实现所述控制装置以及用户终端等相关设备之间的信息传输；该电子设备可以是台式计算机、平板电脑及移动终端等，本实施例不限于此。在本实施例中，该电子设备可以参照实施例用于实现所述控制方法的实施例及用于实现所述控制装置的实施例进行实施，其内容被合并于此，重复之处不再赘述。A processor, a memory, a Communications Interface, and a bus; wherein, the processor, memory, and communications interface communicate with each other through the bus; the communication interface is used to implement the Information transmission between the control device and the user terminal and other related equipment; the electronic equipment may be a desktop computer, a tablet computer, a mobile terminal, etc., and this embodiment is not limited to this. In this embodiment, the electronic device may be implemented with reference to the embodiment for implementing the control method and the embodiment for implementing the control apparatus, and the contents thereof are incorporated herein, and repeated details will not be repeated here. .
图5为本申请实施例的电子设备9600的系统构成的示意框图。如图5所示，该电子设备9600可以包括中央处理器9100和存储器9140；存储器9140耦合到中央处理器9100。值得注意的是，该图5是示例性的；还可以使用其他类型的结构，来补充或代替该结构，以实现电信功能或其他功能。FIG. 5 is a schematic block diagram of a system configuration of an
在本申请一个或多个实施例中，控制功能可以被集成到中央处理器9100中。其中，中央处理器9100可以被配置为进行如下控制：In one or more embodiments of the present application, the control function may be integrated into the
步骤101：当所述稳压电路中的三相全控整流器为定直流电压控制并且该稳压电路中的超级电容器处于充电状态时，判断在预设的时间间隔内所述稳压电路的电参数变化是否大于第一电参数变化阈值，若是，则执行步骤102。Step 101: When the three-phase fully-controlled rectifier in the voltage stabilizer circuit is controlled by a constant DC voltage and the supercapacitor in the voltage stabilizer circuit is in a charging state, determine the voltage of the voltage stabilizer circuit within a preset time interval. Whether the parameter change is greater than the first electrical parameter change threshold, if yes, go to step 102 .
步骤102：将所述超级电容器由充电状态切换为放电状态，并将所述三相全控整流器由定直流电压控制切换为恒功率控制。Step 102: Switch the supercapacitor from a charging state to a discharging state, and switch the three-phase fully-controlled rectifier from constant DC voltage control to constant power control.
从上述描述可知，本申请的实施例提供的电子设备，能够实现对电力电子变压器交流端口的满功率运行测试，同时减少满功率运行测试的电能消耗。It can be seen from the above description that the electronic device provided by the embodiments of the present application can realize the full power running test of the AC port of the power electronic transformer, and at the same time reduce the power consumption of the full power running test.
在另一个实施方式中，控制装置可以与中央处理器9100分开配置，例如可以将控制装置配置为与中央处理器9100连接的芯片，通过中央处理器的控制来实现控制功能。In another embodiment, the control device may be configured separately from the
如图5所示，该电子设备9600还可以包括：通信模块9110、输入单元9120、音频处理器9130、显示器9160、电源9170。值得注意的是，电子设备9600也并不是必须要包括图5中所示的所有部件；此外，电子设备9600还可以包括图5中没有示出的部件，可以参考现有技术。As shown in FIG. 5 , the
如图5所示，中央处理器9100有时也称为控制器或操作控件，可以包括微处理器或其他处理器装置和/或逻辑装置，该中央处理器9100接收输入并控制电子设备9600的各个部件的操作。As shown in FIG. 5, the
其中，存储器9140，例如可以是缓存器、闪存、硬驱、可移动介质、易失性存储器、非易失性存储器或其它合适装置中的一种或更多种。可储存上述与失败有关的信息，此外还可存储执行有关信息的程序。并且中央处理器9100可执行该存储器9140存储的该程序，以实现信息存储或处理等。The
输入单元9120向中央处理器9100提供输入。该输入单元9120例如为按键或触摸输入装置。电源9170用于向电子设备9600提供电力。显示器9160用于进行图像和文字等显示对象的显示。该显示器例如可为LCD显示器，但并不限于此。The
该存储器9140可以是固态存储器，例如，只读存储器(ROM)、随机存取存储器(RAM)、SIM卡等。还可以是这样的存储器，其即使在断电时也保存信息，可被选择性地擦除且设有更多数据，该存储器的示例有时被称为EPROM等。存储器9140还可以是某种其它类型的装置。存储器9140包括缓冲存储器9141(有时被称为缓冲器)。存储器9140可以包括应用/功能存储部9142，该应用/功能存储部9142用于存储应用程序和功能程序或用于通过中央处理器9100执行电子设备9600的操作的流程。The
存储器9140还可以包括数据存储部9143，该数据存储部9143用于存储数据，例如联系人、数字数据、图片、声音和/或任何其他由电子设备使用的数据。存储器9140的驱动程序存储部9144可以包括电子设备的用于通信功能和/或用于执行电子设备的其他功能(如消息传送应用、通讯录应用等)的各种驱动程序。The
通信模块9110即为经由天线9111发送和接收信号的发送机/接收机9110。通信模块(发送机/接收机)9110耦合到中央处理器9100，以提供输入信号和接收输出信号，这可以和常规移动通信终端的情况相同。The
基于不同的通信技术，在同一电子设备中，可以设置有多个通信模块9110，如蜂窝网络模块、蓝牙模块和/或无线局域网模块等。通信模块(发送机/接收机)9110还经由音频处理器9130耦合到扬声器9131和麦克风9132，以经由扬声器9131提供音频输出，并接收来自麦克风9132的音频输入，从而实现通常的电信功能。音频处理器9130可以包括任何合适的缓冲器、解码器、放大器等。另外，音频处理器9130还耦合到中央处理器9100，从而使得可以通过麦克风9132能够在本机上录音，且使得可以通过扬声器9131来播放本机上存储的声音。Based on different communication technologies,
上述描述可知，本申请的实施例提供的电子设备，能够实现对电力电子变压器交流端口的满功率运行测试，同时减少满功率运行测试的电能消耗。It can be seen from the above description that the electronic device provided by the embodiments of the present application can realize the full power running test of the AC port of the power electronic transformer, and at the same time reduce the power consumption of the full power running test.
本申请的实施例还提供能够实现上述实施例中的控制方法中全部步骤的一种计算机可读存储介质，所述计算机可读存储介质上存储有计算机程序，该计算机程序被处理器执行时实现上述实施例中的控制方法的全部步骤，例如，所述处理器执行所述计算机程序时实现下述步骤：The embodiments of the present application also provide a computer-readable storage medium capable of implementing all the steps in the control methods in the above-mentioned embodiments, where a computer program is stored on the computer-readable storage medium, and the computer program is implemented when executed by a processor All the steps of the control method in the above embodiment, for example, when the processor executes the computer program, the following steps are implemented:
步骤101：当所述稳压电路中的三相全控整流器为定直流电压控制并且该稳压电路中的超级电容器处于充电状态时，判断在预设的时间间隔内所述稳压电路的电参数变化是否大于第一电参数变化阈值，若是，则执行步骤102。Step 101: When the three-phase fully-controlled rectifier in the voltage stabilizer circuit is controlled by a constant DC voltage and the supercapacitor in the voltage stabilizer circuit is in a charging state, determine the voltage of the voltage stabilizer circuit within a preset time interval. Whether the parameter change is greater than the first electrical parameter change threshold, if yes, go to step 102 .
步骤102：将所述超级电容器由充电状态切换为放电状态，并将所述三相全控整流器由定直流电压控制切换为恒功率控制。Step 102: Switch the supercapacitor from a charging state to a discharging state, and switch the three-phase fully-controlled rectifier from constant DC voltage control to constant power control.
从上述描述可知，本申请实施例提供的计算机可读存储介质，能够实现对电力电子变压器交流端口的满功率运行测试，同时减少满功率运行测试的电能消耗。It can be seen from the above description that the computer-readable storage medium provided by the embodiments of the present application can realize the full power running test of the AC port of the power electronic transformer, and at the same time reduce the power consumption of the full power running test.
本申请中上述方法的各个实施例均采用递进的方式描述，各个实施例之间相同相似的部分互相参见即可，每个实施例重点说明的都是与其他实施例的不同之处。相关之处参见方法实施例的部分说明即可。Each embodiment of the above method in the present application is described in a progressive manner, and the same and similar parts between the various embodiments may be referred to each other, and each embodiment focuses on the differences from other embodiments. For related parts, please refer to the partial descriptions of the method embodiments.
本领域内的技术人员应明白，本申请的实施例可提供为方法、系统、或计算机程序产品。因此，本申请可采用完全硬件实施例、完全软件实施例、或结合软件和硬件方面的实施例的形式。而且，本申请可采用在一个或多个其中包含有计算机可用程序代码的计算机可用存储介质(包括但不限于磁盘存储器、CD-ROM、光学存储器等)上实施的计算机程序产品的形式。As will be appreciated by those skilled in the art, the embodiments of the present application may be provided as a method, a system, or a computer program product. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment, or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, etc.) having computer-usable program code embodied therein.
本申请是参照根据本申请实施例的方法、设备(系统)、和计算机程序产品的流程图和/或方框图来描述的。应理解可由计算机程序指令实现流程图和/或方框图中的每一流程和/或方框、以及流程图和/或方框图中的流程和/或方框的结合。可提供这些计算机程序指令到通用计算机、专用计算机、嵌入式处理机或其他可编程数据处理设备的处理器以产生一个机器，使得通过计算机或其他可编程数据处理设备的处理器执行的指令产生用于实现在流程图一个流程或多个流程和/或方框图一个方框或多个方框中指定的功能的装置。The present application is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the present application. It will be understood that each flow and/or block in the flowchart illustrations and/or block diagrams, and combinations of flows and/or blocks in the flowchart illustrations and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to the processor of a general purpose computer, special purpose computer, embedded processor or other programmable data processing device to produce a machine such that the instructions executed by the processor of the computer or other programmable data processing device produce Means for implementing the functions specified in a flow or flow of a flowchart and/or a block or blocks of a block diagram.
这些计算机程序指令也可存储在能引导计算机或其他可编程数据处理设备以特定方式工作的计算机可读存储器中，使得存储在该计算机可读存储器中的指令产生包括指令装置的制造品，该指令装置实现在流程图一个流程或多个流程和/或方框图一个方框或多个方框中指定的功能。These computer program instructions may also be stored in a computer readable memory capable of directing a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer readable memory result in an article of manufacture comprising instruction means, the instructions The apparatus implements the functions specified in the flow or flows of the flowcharts and/or the block or blocks of the block diagrams.
这些计算机程序指令也可装载到计算机或其他可编程数据处理设备上，使得在计算机或其他可编程设备上执行一系列操作步骤以产生计算机实现的处理，从而在计算机或其他可编程设备上执行的指令提供用于实现在流程图一个流程或多个流程和/或方框图一个方框或多个方框中指定的功能的步骤。These computer program instructions can also be loaded on a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer-implemented process such that The instructions provide steps for implementing the functions specified in the flow or blocks of the flowcharts and/or the block or blocks of the block diagrams.
本申请中应用了具体实施例对本申请的原理及实施方式进行了阐述，以上实施例的说明只是用于帮助理解本申请的方法及其核心思想；同时，对于本领域的一般技术人员，依据本申请的思想，在具体实施方式及应用范围上均会有改变之处，综上所述，本说明书内容不应理解为对本申请的限制。In this application, specific examples are used to illustrate the principles and implementations of the application, and the descriptions of the above examples are only used to help understand the method and the core idea of the application; The idea of the application will have changes in the specific implementation and application scope. To sum up, the content of this specification should not be construed as a limitation on the application.
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| CN113219375A (en)* | 2021-03-29 | 2021-08-06 | 广东电网有限责任公司 | Method and system for testing operation reliability of power electronic transformer |
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