技术领域Technical field
本发明涉及电力技术领域,特别涉及一种基于中压载波的10kV线路识别系统。The invention relates to the field of electric power technology, and in particular to a 10kV line identification system based on medium-voltage carrier waves.
背景技术Background technique
我国10kV电力线路环境复杂、供电路径长、沿线分支较多,负载设备种类繁多,形成了错综复杂的线路网络。对识别线路或台区的归属问题造成了不少麻烦。电力公司识别线路归属大多依靠人工肉眼识别,在很大程度上增大了电力公司维护成本,降低了电力公司的维护效率。因此如何实现对10kV中压线路自动识别对于提高电力公司工作效率、维护用电安全具有重大意义。my country's 10kV power lines have a complex environment, long power supply paths, many branches along the lines, and various types of load equipment, forming an intricate line network. It caused a lot of trouble to identify the ownership of lines or station areas. Electric power companies mostly rely on manual visual identification to identify line ownership, which greatly increases the power company's maintenance costs and reduces the power company's maintenance efficiency. Therefore, how to realize automatic identification of 10kV medium-voltage lines is of great significance to improving the work efficiency of power companies and maintaining power safety.
发明内容Contents of the invention
本发明针对现有10kV电力线路不容易区分线路或台区归属的问题,提出了一种基于中压载波的10kV用电台区及线路的识别系统,采用如下技术方案予以实现:Aiming at the problem that existing 10kV power lines cannot easily distinguish lines or station areas, the present invention proposes a 10kV station area and line identification system based on medium voltage carriers, which is implemented using the following technical solutions:
一种基于中压载波的10kV用电台区及线路识别系统,包括10kV传输线路、中压载波通讯从机、从机耦合器、主机耦合器、中压载波通讯主机、主站。A 10kV station area and line identification system based on medium-voltage carriers, including a 10kV transmission line, medium-voltage carrier communication slaves, slave couplers, host couplers, medium-voltage carrier communication hosts, and master stations.
具体步骤如下:Specific steps are as follows:
S1:主站给中压载波通讯主机下发线路识别命令;S1: The master station issues a line identification command to the medium voltage carrier communication host;
S2:中压载波通讯主机通过主机耦合器将信号指令耦合到10kV中压电力线上,中压载波通讯从机通过从机耦合器接收指令;S2: The medium-voltage carrier communication host couples signal instructions to the 10kV medium-voltage power line through the host coupler, and the medium-voltage carrier communication slave receives instructions through the slave coupler;
S3:中压载波通讯从机收到命令后,控制从机耦合器中的继电器控制电路,开始以特定的编码方式以特定的频率发送电流;S3: After the medium-voltage carrier communication slave receives the command, it controls the relay control circuit in the slave coupler and starts sending current at a specific frequency in a specific encoding method;
S4:将电流信号通过10kV中压电力线输到中压载波通讯主机;S4: Transmit the current signal to the medium voltage carrier communication host through the 10kV medium voltage power line;
S5:中压载波通讯主机将信号发送至主站。主站对检测到的特征信号,采用相似性特征提取算法进行线变关系识别分析、展示并记录。S5: The medium voltage carrier communication host sends the signal to the main station. The main station uses the similarity feature extraction algorithm to identify, analyze, display and record the linear relationship between the detected characteristic signals.
进一步地,所述中压载波通讯从机包括:供电模块、信号采集模块、信号处理模块、主站模块。Further, the medium-voltage carrier communication slave machine includes: a power supply module, a signal acquisition module, a signal processing module, and a master station module.
进一步地,所述从机耦合器包括:阻抗变换器、滤波模块、高压隔离模块、大电流防护模块、防雷模块,继电器控制电路。Further, the slave coupler includes: an impedance converter, a filter module, a high-voltage isolation module, a large current protection module, a lightning protection module, and a relay control circuit.
进一步地,所述主机耦合器包括:阻抗变换器、滤波模块、高压隔离模块、大电流防护模块、防雷模块,电流耦合采样电路。Further, the host coupler includes: an impedance converter, a filter module, a high-voltage isolation module, a large current protection module, a lightning protection module, and a current coupling sampling circuit.
进一步地,所述中压载波通讯主机包括:供电模块、信号采集模块、信号处理模块、主站模块。Further, the medium-voltage carrier communication host includes: a power supply module, a signal acquisition module, a signal processing module, and a master station module.
本发明的优点和积极效果在于:本发明不用增加额外设备直接通过中压载波通讯系统通过对电流特征的分析,实现用电台区和线路的拓扑识别,并通过主站将台区和线路关系以线路图的方式展示出来。提升了线路及用电台区识别的速度并节省了大量人力及财力成本。The advantages and positive effects of the present invention are: the present invention directly analyzes the current characteristics through the medium-voltage carrier communication system without adding additional equipment, realizes the topological identification of the user station area and lines, and uses the main station to identify the relationship between the station area and the line. Shown in the form of a circuit diagram. It improves the speed of line and radio area identification and saves a lot of human and financial costs.
附图说明Description of the drawings
图1为本发明实施例中压载波通讯主机和中压载波通讯从机结构图。Figure 1 is a structural diagram of a medium voltage carrier communication master and a medium voltage carrier communication slave according to an embodiment of the present invention.
图2为本发明实施例的应用拓扑图。Figure 2 is an application topology diagram of an embodiment of the present invention.
具体实施方式Detailed ways
为了能够更加清楚地理解本发明的上述目的、特征和优点,下面结合附图及实施例对本发明做进一步描述。In order to more clearly understand the above objects, features and advantages of the present invention, the present invention will be further described below in conjunction with the accompanying drawings and embodiments.
实施例:Example:
如图1所示的中压载波通讯主机和中压载波通讯从机结构图,中压载波通讯从机包括:供电模块、信号采集模块、信号处理模块、主站模块。中压载波通讯从机包括:供电模块、信号采集模块、信号处理模块、主站模块。As shown in Figure 1, the structure diagram of the medium voltage carrier communication host and the medium voltage carrier communication slave. The medium voltage carrier communication slave includes: power supply module, signal acquisition module, signal processing module, and master station module. The medium-voltage carrier communication slave machine includes: power supply module, signal acquisition module, signal processing module, and master station module.
如图2所示,本实施例提出一种基于中压载波的10kV用电台区及线路识别系统,系统执行步骤具体如下:As shown in Figure 2, this embodiment proposes a 10kV station area and line identification system based on medium voltage carriers. The system execution steps are as follows:
S1:主站给中压载波通讯主机下发线路识别命令;S1: The master station issues a line identification command to the medium voltage carrier communication host;
S2:中压载波通讯主机通过10kV中压电力线将指令下发给中压载波通讯从机;S2: The medium-voltage carrier communication master sends instructions to the medium-voltage carrier communication slave machines through the 10kV medium-voltage power line;
S3:中压载波通讯从机收到命令后,控制从机耦合器中的继电器控制电路,开始以特定的编码方式以特定的频率向外发送电流,具体发送方式为先发送特定频率的64位二进制编码序列,1表示发送0.6s信号,0标识不发送0.6s信号,发送信号可以采用625HZ进行发送,发送到线路后可以形成特定频率波形信号,64位编码序列包含数据码,校验码,纠错码同步码等,目的是降低识别误码率。S3: After the medium-voltage carrier communication slave receives the command, it controls the relay control circuit in the slave coupler and begins to send current out at a specific frequency in a specific encoding method. The specific sending method is to first send 64 bits of a specific frequency. Binary coding sequence, 1 means sending 0.6s signal, 0 means not sending 0.6s signal. The sending signal can be sent at 625HZ. After sending to the line, it can form a specific frequency waveform signal. The 64-bit coding sequence contains data code, check code, Error correction codes, synchronization codes, etc. are intended to reduce the recognition error rate.
S4:从机耦合器将形成的以特定编码方式和特定频率的电流通过10kV电力线传输到主机耦合器S4: The slave coupler transmits the current formed in a specific encoding method and a specific frequency to the master coupler through the 10kV power line
S5:主机耦合器通过电流检测模块对从机处发来的电流信号进行采集,主机进行检测,采用fft分析波形中的特定频率的信号,解析出信号序列,并将采集的信息通过中压载波通讯主机上报给主站,主站通过综合比对,来确定变压器的线路归属。在执行过程中载波通信功能正常通信。S5: The host coupler collects the current signal sent from the slave through the current detection module, the host detects it, uses fft to analyze the signal of a specific frequency in the waveform, parses out the signal sequence, and passes the collected information through the medium voltage carrier The communication host reports to the main station, and the main station determines the line ownership of the transformer through comprehensive comparison. The carrier communication function communicates normally during execution.
以上所述,仅是本发明的较佳实施例而已,并非是对本发明作其它形式的限制,任何熟悉本专业的技术人员可能利用上述揭示的技术内容加以变更或改型为等同变化的等效实施例应用于其它领域,但是凡是未脱离本发明技术方案内容,依据本发明的技术实质对以上实施例所作的任何简单修改、等同变化与改型,仍属于本发明技术方案的保护范围。The above are only preferred embodiments of the present invention, and are not intended to limit the present invention in other forms. Any skilled person familiar with the art may make changes or modifications to equivalent changes using the technical contents disclosed above. The embodiments may be applied to other fields, but any simple modifications, equivalent changes, and modifications made to the above embodiments based on the technical essence of the present invention without departing from the content of the technical solution of the present invention still fall within the protection scope of the technical solution of the present invention.
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| CN202310911777.2ACN116865789A (en) | 2023-07-25 | 2023-07-25 | A 10kV station area and line identification system based on medium voltage carrier |
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| CN202310911777.2ACN116865789A (en) | 2023-07-25 | 2023-07-25 | A 10kV station area and line identification system based on medium voltage carrier |
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