CN110855002A - An Intelligent Hierarchical Extensible Modular Energy Control System - Google Patents

Abstract

Translated fromChinese

本发明公开了一种智能分级可拓模块化能源控制系统，其包括主控装置和分控装置，分控装置包括数据采集模块、数据通信模块、解码执行模块和植入优化算法的分控制器，分控制器通过光纤通道与主控装置的主控制器通讯，主控制器与分控制器采用双向传输机制，主控制器内设置控制策略和控制算法，负责总体系统的优化运行与调度。本发明的控制系统采用的分级调控的串级控制结构，可通过设置辅助参数来提高对主参数的控制质量，可形成有效的数据共享、平台交互、统一管理，大大提高能量管理和调度的水平；本发明具有较好地稳定性和可拓展性，能够达到对实际工作情况的有效把控，提高工作效能。

The invention discloses an intelligent hierarchical extension modular energy control system, which comprises a main control device and a sub-control device, and the sub-control device includes a data acquisition module, a data communication module, a decoding execution module and a sub-controller implanted with an optimization algorithm , The sub-controller communicates with the main controller of the main control device through the optical fiber channel. The main controller and the sub-controller adopt a two-way transmission mechanism. The main controller sets the control strategy and control algorithm, and is responsible for the optimal operation and scheduling of the overall system. The cascade control structure of hierarchical regulation adopted by the control system of the present invention can improve the control quality of the main parameters by setting auxiliary parameters, and can form effective data sharing, platform interaction and unified management, and greatly improve the level of energy management and scheduling. The invention has better stability and expandability, can achieve effective control of actual working conditions and improve working efficiency.

Description

Translated fromChinese

一种智能分级可拓模块化能源控制系统An Intelligent Hierarchical Extensible Modular Energy Control System

技术领域technical field

本发明涉及及电力行业、能源管理、信息化系统集控管理等领域，尤其是一种智能分级可拓模块化能源控制系统。The invention relates to the fields of electric power industry, energy management, information system centralized control management and the like, in particular to an intelligent hierarchical extension modular energy control system.

背景技术Background technique

智慧小镇建设核心是能源系统的建设，能源的实际运用的过程中会产生过多的能源使用成本，增加碳排放及环境污染，没有充分实现小镇公建与绿色能源的深度融合。这对智慧小镇的能源整体管理带来了混乱，造成内部数据重叠和交叉，历史数据难梳理、难追溯，从而导致工作效率低，浪费严重。The core of smart town construction is the construction of energy system. The actual use of energy will generate excessive energy use costs, increase carbon emissions and environmental pollution, and not fully realize the deep integration of town public construction and green energy. This has brought confusion to the overall energy management of the smart town, resulting in overlapping and overlapping of internal data, and difficult to sort out and trace historical data, resulting in low work efficiency and serious waste.

发明内容SUMMARY OF THE INVENTION

本发明的目的在于解决上述技术问题而提供一种智能分级可拓模块化能源控制系统。The purpose of the present invention is to solve the above technical problems and provide an intelligent hierarchical extension modular energy control system.

为了解决上述技术问题，本发明采用如下技术方案：In order to solve the above-mentioned technical problems, the present invention adopts the following technical solutions:

一种智能分级可拓模块化能源控制系统，包括主控装置和分控装置，分控装置包括数据采集模块、数据通信模块、解码执行模块和植入优化算法的分控制器，分控制器通过光纤通道与主控装置的主控制器通讯，主控制器与分控制器采用双向传输机制，主控制器内设置控制策略和控制算法，负责总体系统的优化运行与调度；An intelligent hierarchical extension modular energy control system includes a main control device and a sub-control device, the sub-control device includes a data acquisition module, a data communication module, a decoding execution module and a sub-controller implanted with an optimization algorithm. The optical fiber channel communicates with the main controller of the main control device. The main controller and the sub-controller adopt a two-way transmission mechanism. The main controller is set up with control strategies and control algorithms, which are responsible for the optimal operation and scheduling of the overall system;

数据采集模块中的数据采集电路在微控制器的控制下，通过多路模拟传感器对关键环境参数进行数据采集，并通过微控制器的程序软件将模拟信号数字化，再通过I2C存储到外部的数据存储器中，并通过光纤将数据传输到网络通信接口；The data acquisition circuit in the data acquisition module, under the control of the microcontroller, collects data on key environmental parameters through multiple analog sensors, digitizes the analog signal through the microcontroller's program software, and stores the external data through I2C. In the memory, and transmit the data to the network communication interface through the optical fiber;

数据通信传输模块中的指令存储单元通过I2C总线和微控制器通信，实现主控制器与网络通信接口的数据交互，具有数据传输、中转、过滤和提取的功能，其中主控制器和分控制器共同完成对解码执行模块的调节和控制，以保证通信数据的准确；The instruction storage unit in the data communication transmission module communicates with the microcontroller through the I2C bus to realize the data interaction between the main controller and the network communication interface, and has the functions of data transmission, transfer, filtering and extraction. The main controller and the sub-controller To jointly complete the adjustment and control of the decoding execution module to ensure the accuracy of the communication data;

解码执行模块作为终端执行器，作用是接收数据通信中继器下发的控制指令进行数据解析，通过驱动电路控制现场的设备运行。As a terminal executor, the decoding execution module is used to receive the control instructions issued by the data communication repeater for data analysis, and to control the operation of the equipment on site through the drive circuit.

进一步地，所述关键环境参数包括节点位置、空气温度、空气湿度、辐射强度、电流、电压、辐照强度。Further, the key environmental parameters include node location, air temperature, air humidity, radiation intensity, current, voltage, and radiation intensity.

进一步地，还包括五个功能模块，分别为用户管理模块、远程控制模块、专家决策模块、趋势预测模块、可拓层次的综合控制策略。Further, it also includes five functional modules, which are user management module, remote control module, expert decision-making module, trend forecasting module, and extension-level comprehensive control strategy.

进一步地，所述用户管理模块用于设置和控制系统的基本信息，为不同级别用户提供基础信息，为多种用户赋予信息权限，为系统设定管理权限，形成管理组织架构。Further, the user management module is used for setting and controlling the basic information of the system, providing basic information for users of different levels, granting information rights to various users, setting management rights for the system, and forming a management organization structure.

进一步地，所述远程控制模块根据设备地址，远程控制解码执行模块打开或关闭现场的环境因素调节设备，以实现远程采集和远程调控。Further, according to the device address, the remote control module remotely controls the decoding execution module to open or close the on-site environmental factor adjustment device, so as to realize remote acquisition and remote control.

进一步地，所述专家决策模块的作用是用户根据大数据运行经验、历史运行数据及专家指导经验，设置合理的参数范围，系统根据设置的参数范围自动远程控制调节环境因素调节设备，以确保现场各项指标满足使用需求。Further, the role of the expert decision-making module is that the user sets a reasonable parameter range according to the big data operation experience, historical operation data and expert guidance experience, and the system automatically and remotely controls and adjusts the environmental factor adjustment equipment according to the set parameter range, so as to ensure the on-site All indicators meet the needs of use.

进一步地，所述趋势预测模块根据实时提取现场的环境参数、数据的变化走势在用户页面上生成曲线，引入预测模型修正，完成系统运行的预测和预先比对，增强系统的预判能力，提前依据预测结论完成系统运行规划。Further, the trend prediction module generates a curve on the user page according to the real-time extraction of on-site environmental parameters and the change trend of the data, introduces the prediction model correction, completes the prediction and pre-comparison of the system operation, and enhances the pre-judgment ability of the system. Complete the system operation plan according to the prediction conclusion.

进一步地，所述可拓层次的综合控制策略包括过流检测与跳闸保护策略、一次重合闸保护策略、零流检测保护策略、过负荷保护策略、断线/失压告警保护策略、过压保护策略，实现对整个系统的保护动作，以保证系统安全。Further, the comprehensive control strategy of the extension level includes an overcurrent detection and trip protection strategy, a reclosing protection strategy, a zero-current detection protection strategy, an overload protection strategy, a disconnection/loss of voltage alarm protection strategy, and an overvoltage protection strategy. Strategies to implement protection actions for the entire system to ensure system security.

本发明贯穿了多种能源的优化利用方式，具体来说，其应用具有以下效果：The present invention runs through the optimal utilization mode of multiple energy sources, and specifically, its application has the following effects:

1、本发明基于可拓层次的综合控制策略结合逐步回归、自抗扰等方法,将能源预测和控制模型引入，以提高预测精度。传感器的可靠性将被增强，系统整体安全性、可用性、经济性将获得显著改善，为新能源智能管理提供更广泛的可能性。1. In the present invention, the comprehensive control strategy based on the extension level is combined with methods such as stepwise regression and active disturbance rejection, and energy prediction and control models are introduced to improve the prediction accuracy. The reliability of sensors will be enhanced, and the overall security, availability, and economy of the system will be significantly improved, providing wider possibilities for intelligent management of new energy.

2、本发明中多个分控制器统均通过光纤传输手段与主控制器相连，完成信息交换、信息筛选、信息检查、信息过滤及信息提取等过程，形成主控与分控的有机结合和相对独立运行模式，且当外界场景增加或减少时，系统可根据对象特征增加或减少分控制器，不会对主控制器产生影响，具有较好地稳定性和可拓展性。2. In the present invention, multiple sub-controller systems are connected to the main controller by means of optical fiber transmission to complete the processes of information exchange, information screening, information inspection, information filtering and information extraction, forming an organic combination of main control and sub-controller. Relatively independent operation mode, and when the external scene increases or decreases, the system can increase or decrease sub-controllers according to the characteristics of the object, without affecting the main controller, and has good stability and scalability.

3、本发明可针对系统的并网/孤岛运行模式的快速切换和层级调控，根据储能装置运行特征及运行要求，保障系统并网和孤岛均能够安全稳定运行且不会给电网造成冲击。3. The present invention can be aimed at the rapid switching and hierarchical regulation of the grid-connected/islanding operation mode of the system, and according to the operating characteristics and operating requirements of the energy storage device, to ensure that the grid-connected and islanded systems can operate safely and stably without impacting the power grid.

附图说明Description of drawings

图1为本发明一种智能分级可拓模块化能源控制系统的设计架构图。FIG. 1 is a design structure diagram of an intelligent hierarchical extension modular energy control system of the present invention.

具体实施方式Detailed ways

下面结合附图和具体实施方式对本发明作进一步详细的说明：The present invention will be described in further detail below in conjunction with the accompanying drawings and specific embodiments:

参见图1，一种智能分级可拓模块化能源控制系统主要包括主控装置和分控装置两大部分。在系统结构上由两个串级分级控制器构成，可通过设置辅助参数来提高对主参数的控制质量，且由于分控制器的存在可减少了干扰的影响，负荷改变时有较好地自适应能力。Referring to Figure 1, an intelligent hierarchical scalable modular energy control system mainly includes two parts: a main control device and a sub-control device. The system structure consists of two cascade level controllers, which can improve the control quality of the main parameters by setting auxiliary parameters, and the existence of sub-controllers can reduce the influence of interference, and have better automatic control when the load changes. adaptability.

分控装置包括数据采集模块、数据通信模块、解码执行模块、植入优化算法的分控制器、分控调节器等部件，分控制器通过光纤通道与主控装置的主控制器通讯，主控制器与分控制器采用双向传输机制，主控制器内设置控制策略和控制算法，负责总体系统的优化运行与调度。The sub-control device includes a data acquisition module, a data communication module, a decoding execution module, a sub-controller embedded with an optimization algorithm, a sub-control regulator and other components. The sub-controller communicates with the main controller of the main control device through an optical fiber channel. The controller and the sub-controllers adopt a bidirectional transmission mechanism, and the main controller sets up control strategies and control algorithms, which are responsible for the optimal operation and scheduling of the overall system.

数据采集模块中的数据采集电路在微控制器的控制下，通过多路模拟传感器对节点位置、空气温度、空气湿度、辐射强度、电流、电压、辐照强度等关键环境参数进行数据采集，并通过微控制器的程序软件将模拟信号数字化，再通过I2C存储到外部的数据存储器中，并通过光纤将数据传输到网络通信接口。The data acquisition circuit in the data acquisition module collects data on key environmental parameters such as node position, air temperature, air humidity, radiation intensity, current, voltage, and radiation intensity through multi-channel analog sensors under the control of the microcontroller. The analog signal is digitized through the program software of the microcontroller, and then stored in the external data memory through I2C, and the data is transmitted to the network communication interface through the optical fiber.

数据通信传输模块中的指令存储单元通过I2C总线和微控制器通信，实现主控制器与网络通信接口的数据交互，具有数据传输、中转、过滤和提取的功能，其中主控制器和分控制器共同完成对解码执行模块的调节和控制，可有效保证通信数据准确且精度较高。The instruction storage unit in the data communication transmission module communicates with the microcontroller through the I2C bus to realize the data interaction between the main controller and the network communication interface, and has the functions of data transmission, transfer, filtering and extraction. The main controller and the sub-controller The adjustment and control of the decoding execution module are jointly completed, which can effectively ensure the accuracy and high precision of the communication data.

解码执行模块作为终端执行器，主要的作用是接收数据通信中继器下发的控制指令进行数据解析，通过驱动电路控制现场的设备运行，是系统的执行器。系统使用的低功率的设计，在没有指令时，系统进入休眠状态。As a terminal executor, the main function of the decoding execution module is to receive the control instructions issued by the data communication repeater for data analysis, and to control the operation of the field equipment through the drive circuit, which is the executor of the system. The system uses a low-power design, and when there is no command, the system goes to sleep.

一种智能分级可拓模块化能源控制系统还包括五大功能模块，分别为用户管理模块、远程控制模块、专家决策模块、趋势预测模块、可拓层次的综合控制策略。An intelligent hierarchical extension modular energy control system further includes five functional modules, namely, a user management module, a remote control module, an expert decision-making module, a trend prediction module, and an extension-level comprehensive control strategy.

1、用户管理模块用于设置和控制智能管理可拓系统的基本信息，为不同级别用户提供基础信息，为多种用户赋予信息权限，为分级控制系统设定管理权限，形成管理组织架构。1. The user management module is used to set and control the basic information of the intelligent management extension system, provide basic information for users of different levels, grant information rights to various users, set management rights for the hierarchical control system, and form a management organization structure.

2、远程控制模块根据设备地址，远程控制解码执行模块打开或关闭现场的环境因素调节设备，点击相应按键即可实现远程采集、远程调控，极大的降低了使用者的劳动强度，实现对微网运行安全、质量、进度管控的“全流程、可视化”定量管控。2. According to the device address, the remote control module remotely controls the decoding execution module to open or close the on-site environmental factor adjustment equipment, and click the corresponding button to realize remote acquisition and remote control, which greatly reduces the labor intensity of users and realizes "Full-process, visualized" quantitative control of network operation safety, quality, and progress control.

3、专家决策模块的作用是用户根据大数据运行经验、历史运行数据及专家指导经验，设置最合理的参数范围，系统根据设置的参数范围自动远程控制调节环境因素调节设备，确保现场各项指标满足使用需求。3. The role of the expert decision-making module is that the user sets the most reasonable parameter range according to the operating experience of big data, historical operating data and expert guidance experience, and the system automatically and remotely controls and adjusts the environmental factors according to the set parameter range to adjust the equipment to ensure various indicators on site. meet the needs of use.

4、趋势预测模块根据实时提取现场的环境参数、数据的变化走势在用户页面上生成曲线，引入预测模型修正，完成系统运行的预测和预先比对，增强系统的预判能力，提前依据预测结论完成系统运行规划。根据天气、温度等自然情况变化规律和运行时间段的历史数据，结合天气预报对光伏发电短期和超短期出力进行预测。此外可根据储能设备并网和孤岛的不同工作模式，通过分析储能电池荷电状态，结合储能设备自身充放电约束条件，对储能设备负荷和发电进行预测。基于预测模型，可参照直流负荷的历史曲线，对负荷进行预测。4. The trend prediction module generates a curve on the user page according to the real-time extraction of on-site environmental parameters and data changes, introduces the prediction model correction, completes the prediction and pre-comparison of the system operation, enhances the pre-judgment ability of the system, and based on the prediction conclusion in advance Complete the system operation plan. The short-term and ultra-short-term output of photovoltaic power generation is predicted according to the changing laws of natural conditions such as weather and temperature and the historical data of the operating time period, combined with the weather forecast. In addition, according to the different working modes of grid-connected energy storage devices and islanding, by analyzing the state of charge of the energy storage battery, combined with the charging and discharging constraints of the energy storage device itself, the load and power generation of the energy storage device can be predicted. Based on the prediction model, the load can be predicted by referring to the historical curve of the DC load.

5、可拓层次的综合控制策略主要包括过流检测与跳闸保护策略、一次重合闸保护策略、零流检测保护策略、过负荷保护策略、断线/失压告警保护策略、过压保护策略，实现对整个系统的保护动作，保证系统安全。基于可拓层次的综合控制策略结合逐步回归、自抗扰等方法,将能源预测和控制模型引入，以提高预测精度。5. The comprehensive control strategy at the extension level mainly includes the overcurrent detection and trip protection strategy, the primary reclosing protection strategy, the zero current detection protection strategy, the overload protection strategy, the disconnection/loss voltage alarm protection strategy, and the overvoltage protection strategy. Realize the protection action of the whole system and ensure the safety of the system. The comprehensive control strategy based on the extension level combines the methods of stepwise regression and active disturbance rejection, and introduces the energy prediction and control model to improve the prediction accuracy.

本发明的控制系统采用的分级调控的串级控制结构，可通过设置辅助参数来提高对主参数的控制质量，且分控制器包含传感设备、数据采集设备、数据通信传输设备、植入优化算法等技术手段，实现主控制器与分控制器双向传输，主控制器内设置控制策略和控制算法，负责总体系统的优化运行与调度。由此可形成有效的数据共享、平台交互、统一管理，那么将大大提高能量管理和调度的水平。The cascade control structure of hierarchical regulation adopted by the control system of the present invention can improve the control quality of the main parameters by setting auxiliary parameters, and the sub-controllers include sensing equipment, data acquisition equipment, data communication transmission equipment, implantation optimization equipment, etc. Algorithms and other technical means are used to realize the bidirectional transmission between the main controller and the sub-controllers. The main controller is set up with control strategies and control algorithms, and is responsible for the optimal operation and scheduling of the overall system. This can form effective data sharing, platform interaction, and unified management, which will greatly improve the level of energy management and scheduling.

为解决微电网的智能运行问题，同时提高多场景应用的接入性和适应性，本发明的控制系统可用于采集和控制多场景发电设备，接入了光伏路面、光伏座椅等发电装置，通过设置光伏变流器、直流转换设备完成采集、传输，针对每种发电场景设置传感器及分控制器，实现分控制器与主控制器的双向控制、反馈及预测等功能，完成信息交换、信息筛选、信息检查、信息过滤及信息提取等过程，具有较好地稳定性和可拓展性，达到对实际工作情况的有效把控，提高工作效能。In order to solve the problem of intelligent operation of the microgrid and improve the accessibility and adaptability of multi-scenario applications, the control system of the present invention can be used to collect and control multi-scenario power generation equipment, and is connected to power generation devices such as photovoltaic roads and photovoltaic seats, etc. By setting up photovoltaic converters and DC conversion equipment to complete acquisition and transmission, setting sensors and sub-controllers for each power generation scenario, realizing the functions of two-way control, feedback and prediction between the sub-controller and the main controller, and completing information exchange, information The process of screening, information inspection, information filtering and information extraction has good stability and scalability, which can effectively control the actual work situation and improve work efficiency.

综上所述，本发明的内容并不局限在上述的实施例中，本领域的技术人员可以在本发明的技术指导思想之内提出其他的实施例，但这些实施例都包括在本发明的范围之内。To sum up, the content of the present invention is not limited to the above-mentioned embodiments, and those skilled in the art can propose other embodiments within the technical guidance of the present invention, but these embodiments are all included in the present invention. within the range.

Claims (8)

1. An intelligent hierarchical extensible modular energy control system comprises a main control device and branch control devices, and is characterized in that the branch control devices comprise data acquisition modules, data communication modules, decoding execution modules and branch controllers implanted with optimization algorithms, the branch controllers are communicated with a main controller of the main control device through optical fiber channels, the main controller and the branch controllers adopt a bidirectional transmission mechanism, and a control strategy and a control algorithm are arranged in the main controller and are responsible for the optimized operation and scheduling of a total system;

a data acquisition circuit in the data acquisition module acquires data of key environment parameters through a multi-channel analog sensor under the control of a microcontroller, digitalizes analog signals through program software of the microcontroller, stores the digital signals into an external data memory through I2C, and transmits the data to a network communication interface through optical fibers;

the instruction storage unit in the data communication transmission module communicates with the microcontroller through an I2C bus to realize data interaction between the main controller and the network communication interface, and has the functions of data transmission, transfer, filtration and extraction, wherein the main controller and the sub-controllers jointly complete the regulation and control of the decoding execution module to ensure the accuracy of communication data;

the decoding execution module is used as a terminal actuator and is used for receiving a control instruction sent by the data communication repeater to analyze data and controlling the operation of field equipment through the driving circuit.

2. The intelligent hierarchical extensible modular energy control system according to claim 1, wherein the key environmental parameters include node location, air temperature, air humidity, radiation intensity, current, voltage, radiation intensity.

3. The intelligent hierarchical extension modular energy control system according to claim 1, further comprising five functional modules, which are respectively a user management module, a remote control module, an expert decision module, a trend prediction module, and an extension level comprehensive control strategy.

4. The intelligent hierarchical extension modular energy control system according to claim 3, wherein the user management module is configured to set and control basic information of the system, provide basic information for users of different levels, give information authorities to a plurality of users, set management authorities for the system, and form a management organization framework.

5. The intelligent hierarchical scalable modular energy control system according to claim 3, wherein the remote control module remotely controls the decoding execution module to open or close the on-site environmental factor adjusting device according to the device address so as to realize remote acquisition and remote regulation.

6. The intelligent hierarchical extension modular energy control system according to claim 3, wherein the expert decision module is used for setting a reasonable parameter range according to big data operation experience, historical operation data and expert guidance experience by a user, and the system automatically remotely controls and adjusts the environmental factor adjusting equipment according to the set parameter range to ensure that each index on site meets use requirements.

7. The intelligent hierarchical extension modular energy control system according to claim 3, wherein the trend prediction module generates a curve on a user page according to the change trend of the real-time extracted on-site environmental parameters and data, introduces a prediction model for correction, completes prediction and pre-comparison of system operation, enhances the pre-judgment capability of the system, and completes system operation planning in advance according to a prediction conclusion.

8. The intelligent hierarchical scalable modular energy control system according to claim 3, wherein the scalable level comprehensive control strategy comprises an overcurrent detection and trip protection strategy, a primary reclosing protection strategy, a zero current detection protection strategy, an overload protection strategy, a disconnection/voltage loss alarm protection strategy and an overvoltage protection strategy, and realizes protection actions on the whole system to ensure system safety.

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