CN106771762A - The distribution terminal closed loop detecting system and method with secondary injection are transmitted based on simulation - Google Patents
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Abstract
本发明涉及一种基于模拟发信与二次注入的配电终端闭环检测系统及方法，基于三遥闭环检测模块、测试仪、通信系统、现场自动化配电终端进行遥信、遥测、遥控功能与性能测试，测试过程设计包括测试用例设置、测试用例的下发、测试用例的注入、测试结果的反馈与评价、测试报告的生成。基于配电终端闭环检测技术对配电终端三遥功能的检测，可作为配网自动化项目的三遥验收工具，通过将现场测试工作简化为较为简单的接线过程，降低了测试现场的工作难度，配合通过在主站系统闭环检测模块形成测试报告完成了测试的集中闭环控，更提高了测试的效率性和准确性，对于国家未来大规模的配电网建设改造具有极高的应用价值。
The invention relates to a power distribution terminal closed-loop detection system and method based on analog signaling and secondary injection. Based on the three-remote closed-loop detection module, tester, communication system, and on-site automatic power distribution terminal, remote signaling, telemetry, and remote control functions are performed. Performance testing, test process design includes test case setting, test case delivery, test case injection, test result feedback and evaluation, and test report generation. The detection of the three-remote function of the distribution terminal based on the closed-loop detection technology of the distribution terminal can be used as a three-remote acceptance tool for the distribution network automation project. By simplifying the on-site test work into a relatively simple wiring process, the work difficulty of the test site is reduced. Cooperating with the closed-loop detection module of the main station system to form a test report, the centralized closed-loop control of the test is completed, which improves the efficiency and accuracy of the test, and has extremely high application value for the country's future large-scale distribution network construction and transformation.
Description
技术领域technical field
本发明属于配电自动化技术领域，涉及常规三遥功能闭环检测技术，尤其是一种基于模拟发信与二次注入的配电终端闭环检测系统及方法。The invention belongs to the technical field of power distribution automation and relates to a conventional three-remote function closed-loop detection technology, in particular to a power distribution terminal closed-loop detection system and method based on analog signaling and secondary injection.
背景技术Background technique
配电自动化终端用于中低压配电网中的开闭所、柱上分段开关、环网柜、配电变压器、重合器、线路调压器和无功补偿电容器的监视与控制，配电自动化终端与配电网自动化主站通信，正常运行时提供配电网运行控制及管理所需的数据，执行主站给出的对配电网设备进行调节控制的指令；故障时实现故障寻址，自动隔离故障区段，恢复对非故障区段的供电。配电自动化终端设备有效作用依靠于模拟量采集、数字量采集与控制量输出的功能，简称遥测、遥信、遥控(三遥)功能。配电终端的三遥功能与性能是否满足技术标准是配电自动化项目成功与否的关键。配电自动化系统在正式投运前需要对所有的配电终端进行入网测试，之后在安装实施过程中会进行抽检，最后需要进行现场测试验收，运行维护时也需要进行巡检。随着配电自动化系统的日益普及，对三遥功能可靠性的要求也越来越高，配电自动化终端设备的三遥功能的测试方法亟待提升。The distribution automation terminal is used for the monitoring and control of switching stations, pole-mounted section switches, ring network cabinets, distribution transformers, reclosers, line voltage regulators and reactive power compensation capacitors in the medium and low voltage distribution network. The automation terminal communicates with the master station of the distribution network automation, provides the data required for the operation control and management of the distribution network during normal operation, and executes the instructions given by the master station to adjust and control the distribution network equipment; realizes fault addressing in case of failure , Automatically isolate the faulty section and restore power to the non-faulty section. The effective role of distribution automation terminal equipment depends on the functions of analog quantity acquisition, digital quantity acquisition and control quantity output, referred to as telemetry, remote signaling, and remote control (three remote) functions. Whether the function and performance of the three remotes of the distribution terminal meet the technical standards is the key to the success of the distribution automation project. Before the power distribution automation system is officially put into operation, all distribution terminals need to be tested on the network. After that, random inspections will be carried out during the installation and implementation process. Finally, on-site test acceptance is required, and patrol inspections are also required during operation and maintenance. With the increasing popularity of distribution automation systems, the requirements for the reliability of the three-remote functions are getting higher and higher, and the test methods for the three-remote functions of distribution automation terminal equipment need to be improved urgently.
发明内容Contents of the invention
本发明的目的在于克服现有技术的不足，提供一种设计合理、方便实用、测试效率高且准确性强的基于模拟发信与二次注入的配电终端闭环检测系统及方法。The purpose of the present invention is to overcome the deficiencies of the prior art, and provide a closed-loop detection system and method for power distribution terminals based on analog signaling and secondary injection, which is reasonable in design, convenient and practical, high in testing efficiency and high in accuracy.
本发明解决其技术问题是采取以下技术方案实现的：The present invention solves its technical problem and realizes by taking the following technical solutions:
一种基于模拟发信与二次注入的配电终端闭环检测系统，包括三遥闭环检测模块、通信系统、测试仪和自动化配电终端；A power distribution terminal closed-loop detection system based on analog signaling and secondary injection, including a three-remote closed-loop detection module, a communication system, a tester and an automated power distribution terminal;
所述三遥闭环检测模块安装在主站应用服务器上，用于在三遥闭环测试的过程中生成测试模型，并通过通信系统将包含遥信和遥测信息的测试模型以二遥闭环模拟测试报文的形式下发给测试仪；该三遥闭环检测模块还通过通信系统将遥控的模拟信号下发给自动化配电终端；所述三遥闭环检测模块还用于根据三遥测试用例和配电终端上送至三遥闭环检测模块的三遥结果进行比较，形成闭环测试报告；The three-remote closed-loop detection module is installed on the application server of the main station, and is used to generate a test model during the three-remote closed-loop test, and use the test model containing remote signaling and telemetry information as a two-remote closed-loop simulation test message through the communication system The three-remote closed-loop detection module also sends the remote analog signal to the automatic power distribution terminal through the communication system; the three-remote closed-loop detection module is also used to test according to the three-remote test case and the power distribution terminal The three-remote results sent to the three-remote closed-loop detection module are compared to form a closed-loop test report;
所述测试仪用于接收并解析所述三遥闭环检测模块下发的二遥闭环模拟测试报文，并依据包含遥信和遥测信息的测试模型给自动化配电终端进行加量，自动实现自身遥信和遥测模拟注入测试的参数配置；并根据模拟配电自动化终端二遥注入(即遥测和遥信)的测试用例预制方法，分别形成遥测的测试用例和遥信的测试用例，完成对所述自动化配电终端的二遥模拟量注入；The tester is used to receive and analyze the second-remote closed-loop simulation test message issued by the three-remote closed-loop detection module, and to increase the amount of the automatic power distribution terminal according to the test model including remote signaling and telemetry information, and automatically realize its own remote control. The parameter configuration of letter and telemetry simulation injection test; And according to the test case prefabrication method of analog power distribution automation terminal two remote injection (being telemetry and telesignal), respectively form the test case of telemetry and the test case of telesignal, complete described automation Two-remote analog injection of power distribution terminals;
所述配电自动化终端用于在接收到测试仪的遥信、遥测的二遥模拟量注入后，根据设备动作原理，将采集到的二遥模拟量注入数据通过标准101/104规约传递数据到所述三遥闭环检测模块，完成模拟遥信、遥测的闭环测试控制；该配电自动化终端还用于在接收到三遥闭环检测模块下发的遥控的模拟信号后，根据模拟自动化配电终端遥控的测试用例预制方法，形成遥控的测试用例，并根据设备动作原理，操作所述测试仪的遥控触点，并由配电终端采集遥控结果数据通过标准101/104规约传递数据到三遥闭环检测模块，完成模拟遥控的闭环测试控制。The power distribution automation terminal is used to transmit the collected second-remote analog injection data through the standard 101/104 protocol to the The three-remote closed-loop detection module completes the closed-loop test control of analog remote signaling and telemetry; the power distribution automation terminal is also used for receiving the remote control analog signal issued by the three-remote closed-loop detection module, according to the simulated automatic power distribution terminal The remote control test case prefabrication method forms a remote control test case, and operates the remote control contacts of the tester according to the equipment action principle, and the power distribution terminal collects the remote control result data and transmits the data to the three-remote closed loop through the standard 101/104 protocol The detection module completes the closed-loop test control of the analog remote control.
一种基于模拟发信与二次注入的配电终端闭环检测方法，包括以下步骤：A method for closed-loop detection of power distribution terminals based on analog signaling and secondary injection, comprising the following steps:
步骤1、主站三遥闭环检测模块在三遥闭环测试的过程中选择并生成测试模型，并通过通信系统将包含遥信和遥测信息的测试模型以二遥闭环模拟测试报文的形式下发给测试仪；Step 1. The three-remote closed-loop detection module of the master station selects and generates a test model during the three-remote closed-loop test, and sends the test model containing remote signaling and telemetry information to the tester;
步骤2、主站三遥闭环检测模块通过通信系统将遥控的模拟信号下发给自动化配电终端；Step 2. The three-remote closed-loop detection module of the master station sends the analog signal of the remote control to the automatic power distribution terminal through the communication system;
步骤3、测试仪接收并解析所述主站三遥闭环检测模块下发的二遥闭环模拟测试报文，并依据包含遥信和遥测信息的测试模型给自动化配电终端进行加量，自动实现自身遥信和遥测模拟注入测试的参数配置；并根据模拟配电自动化终端二遥注入的测试用例预制方法，分别形成遥测的测试用例和遥信的测试用例，完成对所述自动化配电终端的二遥模拟量注入；Step 3. The tester receives and analyzes the second-remote closed-loop simulation test message issued by the three-remote closed-loop detection module of the master station, and adds quantity to the automatic power distribution terminal according to the test model containing remote signaling and telemetry information, and automatically realizes its own The parameter configuration of remote signaling and telemetry simulation injection test; and according to the test case prefabrication method of the second remote injection of the simulated power distribution automation terminal, respectively form the test case of telemetry and the test case of remote signaling, and complete the second remote injection of the automatic power distribution terminal Analog injection;
步骤4、配电自动化终端在接收到测试仪的遥信、遥测的二遥模拟量注入后，根据设备动作原理，将采集到的二遥模拟量注入数据通过标准101/104规约传递数据到所述主站三遥闭环检测模块，完成模拟遥信、遥测的闭环测试控制；Step 4. After the power distribution automation terminal receives the remote signal from the tester and the injection of the two-remote analog quantity of the telemetry, according to the operation principle of the equipment, the collected two-remote analog quantity injection data is transmitted to the station through the standard 101/104 protocol. Describe the three-remote closed-loop detection module of the main station to complete the closed-loop test control of analog remote signaling and telemetry;
步骤5、配电自动化终端在接收到主站三遥闭环检测模块下发的遥控的模拟信号后，根据模拟自动化配电终端遥控的测试用例预制方法，形成遥控的测试用例，并根据设备动作原理，操作所述测试仪的遥控触点，并由配电终端采集遥控结果数据通过标准101/104规约传递数据到主站三遥闭环检测模块，完成模拟遥控的闭环测试控制；Step 5. After receiving the analog signal of the remote control issued by the three-remote closed-loop detection module of the main station, the power distribution automation terminal forms a test case of remote control according to the test case prefabrication method of the remote control of the simulated automatic power distribution terminal, and according to the operation principle of the equipment , operate the remote control contacts of the tester, and collect the remote control result data by the power distribution terminal and transfer the data to the three remote closed-loop detection module of the main station through the standard 101/104 protocol, to complete the closed-loop test control of the simulated remote control;
步骤6、由主站三遥闭环检测模块根据遥测、遥信和遥控的三遥测试用例和配电终端上送至主站的三遥结果进行比较，形成闭环测试报告。Step 6. The three-remote closed-loop detection module of the main station compares the three-remote test cases of telemetry, remote signaling and remote control with the three-remote results sent to the main station by the power distribution terminal to form a closed-loop test report.
而且，所述步骤3的模拟自动化配电终端二遥注入的测试用例预制方法为：实现包括电压电流基本误差测试、功率基本误差测试、频率基本误差测试、交流频率变化影响测试、直流电压测试和过流告警测试的遥测测试；实现包括遥信状态正确性测试、遥信防抖测试和遥信分辨率测试的遥信测试。Moreover, the test case prefabrication method of the second-remote injection of the simulated automatic power distribution terminal in step 3 is: to realize the test including voltage and current basic error test, power basic error test, frequency basic error test, AC frequency change impact test, DC voltage test and Telemetry test of overcurrent alarm test; realize remote signaling test including remote signaling status correctness test, remote signaling anti-shake test and remote signaling resolution test.
而且，所述步骤5的模拟自动化配电终端遥控的测试用例预制方法为：实现关于遥控执行正确性测试的遥控测试。Moreover, the test case prefabrication method for simulating the remote control of the automated power distribution terminal in step 5 is: to realize the remote control test related to the correctness test of the remote control execution.
本发明的优点和积极效果是：Advantage and positive effect of the present invention are:
1、本发明提供一种基于模拟发信与二次注入的配电终端闭环检测方法，基于三遥闭环检测模块、测试仪、通信系统和现场自动化配电终端进行遥信、遥测、遥控功能与性能测试的系统构架，测试过程包括测试用例设置、测试用例的下发、测试用例的注入、测试结果的反馈与评价和测试报告的生成五部分内容。基于配电终端闭环检测方法对配电自动化终端三遥功能的检测，可作为配网自动化项目的三遥验收工具，通过将现场测试工作简化为较为简单的接线过程，降低了测试现场的工作难度，配合通过在主站系统闭环检测模块形成测试报告完成了测试的集中闭环控，更提高了测试的效率性和准确性，对于国家未来大规模的配电网建设改造具有极高的应用价值。1. The present invention provides a closed-loop detection method for power distribution terminals based on analog signaling and secondary injection. Based on the three-remote closed-loop detection module, tester, communication system and on-site automatic power distribution terminal, remote signaling, telemetry, remote control functions and The system architecture of performance testing. The testing process includes five parts: test case setting, test case distribution, test case injection, test result feedback and evaluation, and test report generation. The detection of the three-remote function of the distribution automation terminal based on the closed-loop detection method of the distribution terminal can be used as a three-remote acceptance tool for the distribution network automation project. By simplifying the on-site test work into a relatively simple wiring process, the work difficulty of the test site is reduced. , with the formation of a test report in the master station system closed-loop detection module, the centralized closed-loop control of the test is completed, which improves the efficiency and accuracy of the test, and has extremely high application value for the country's future large-scale distribution network construction and transformation.
2、本发明基于主站软件模块-通信系统-测试仪-现场自动化配电终端-测试仪-主站的三遥功能闭环检测系统，提出了从硬件连接到配电终端三遥闭环检测的全流程方法。2. The present invention is based on the three-remote function closed-loop detection system of the main station software module-communication system-tester-field automated power distribution terminal-tester-master station, and proposes a full three-remote closed-loop detection system from the hardware connection to the power distribution terminal. process method.
3、本发明提出了模拟终端二遥注入与遥控的测试用例预制方法，通过三遥测试的主站用例预制，实现主站对三遥闭环检测的主导作用。3. The present invention proposes a test case prefabrication method for simulating two-remote injection and remote control of the terminal, and realizes the leading role of the master station in the three-remote closed-loop detection through the prefabrication of the master station use case for the three-remote test.
附图说明Description of drawings
图1是本发明的配电终端闭环检测系统逻辑功能架构图；Fig. 1 is a logical function architecture diagram of the power distribution terminal closed-loop detection system of the present invention;
图2是本发明的配电终端闭环检测网络拓扑接线图；Fig. 2 is a distribution terminal closed-loop detection network topology wiring diagram of the present invention;
图3是本发明的配电终端闭环检测方法流程图。Fig. 3 is a flow chart of the closed-loop detection method of the power distribution terminal in the present invention.
具体实施方式detailed description
以下结合附图对本发明实施例作进一步详述：Embodiments of the present invention are described in further detail below in conjunction with the accompanying drawings:
本发明提出了一种基于模拟发信与二次注入的配电终端闭环检测系统及方法，该配电终端闭环检测系统包括：三遥闭环检测模块、测试仪、通信系统和现场自动化配电终端；用于对配电自动化终端进行遥信、遥测、遥控功能与性能测试，本发明还提出了模拟二遥注入与遥控触发的测试用例预制方法和适用于配电终端的闭环检测方法。The present invention proposes a power distribution terminal closed-loop detection system and method based on analog signaling and secondary injection. The power distribution terminal closed-loop detection system includes: three-remote closed-loop detection module, tester, communication system and on-site automatic power distribution terminal It is used for remote signaling, telemetry, remote control function and performance testing of power distribution automation terminals. The present invention also proposes a test case prefabrication method for simulating two remote injections and remote control triggers and a closed-loop detection method suitable for power distribution terminals.
一种基于模拟发信与二次注入的配电终端闭环检测系统，如图1、图2和图3所示，该配电终端闭环检测系统基于主站软件模块-通信系统-测试仪-现场终端-测试仪-主站的三遥功能闭环检测体系架构，包括三遥闭环检测模块、通信系统、测试仪和自动化配电终端；A power distribution terminal closed-loop detection system based on analog signaling and secondary injection, as shown in Figure 1, Figure 2 and Figure 3, the power distribution terminal closed-loop detection system is based on the master station software module-communication system-tester-site Terminal-tester-main station three-remote function closed-loop detection system architecture, including three-remote closed-loop detection module, communication system, tester and automatic power distribution terminal;
所述三遥闭环检测模块(即主站软件模块)安装在主站应用服务器上，用于在三遥闭环测试的过程中生成测试模型，并通过通信系统将包含遥信和遥测信息的测试模型以二遥闭环模拟测试报文的形式下发给测试仪；该三遥闭环检测模块还通过通信系统将遥控的模拟信号下发给自动化配电终端；所述三遥闭环检测模块还用于根据三遥测试用例和配电终端上送至三遥闭环检测模块的三遥结果进行比较，形成闭环测试报告；The three-remote closed-loop detection module (i.e., the master station software module) is installed on the master station application server, and is used to generate a test model during the three-remote closed-loop test, and the test model containing remote signaling and telemetry information is sent to The second remote closed-loop simulation test message is sent to the tester; the third remote closed-loop detection module also sends the remote analog signal to the automatic power distribution terminal through the communication system; The remote test case is compared with the three-remote results sent to the three-remote closed-loop detection module by the power distribution terminal to form a closed-loop test report;
所述测试仪用于接收并解析所述三遥闭环检测模块下发的二遥闭环模拟测试报文，并依据包含遥信和遥测信息的测试模型给自动化配电终端进行加量，自动实现自身遥信和遥测模拟注入测试的参数配置；并根据模拟配电自动化终端二遥注入(即遥测和遥信)的测试用例预制方法，分别形成遥测的测试用例和遥信的测试用例，完成对所述自动化配电终端的二遥模拟量注入；The tester is used to receive and analyze the second-remote closed-loop simulation test message issued by the three-remote closed-loop detection module, and to increase the amount of the automatic power distribution terminal according to the test model including remote signaling and telemetry information, and automatically realize its own remote control. The parameter configuration of letter and telemetry simulation injection test; And according to the test case prefabrication method of analog power distribution automation terminal two remote injection (being telemetry and telesignal), respectively form the test case of telemetry and the test case of telesignal, complete described automation Two-remote analog injection of power distribution terminals;
所述配电自动化终端用于在接收到测试仪的遥信、遥测的二遥模拟量注入后，根据设备动作原理，将采集到的二遥模拟量注入数据通过标准101/104规约传递数据到所述三遥闭环检测模块，完成模拟遥信、遥测的闭环测试控制；该配电自动化终端还用于在接收到三遥闭环检测模块下发的遥控的模拟信号后，根据模拟自动化配电终端遥控的测试用例预制方法，形成遥控的测试用例，并根据设备动作原理，操作所述测试仪的遥控触点，并由配电终端采集遥控结果数据通过标准101/104规约传递数据到三遥闭环检测模块，完成模拟遥控的闭环测试控制；The power distribution automation terminal is used to transmit the collected second-remote analog injection data through the standard 101/104 protocol to the The three-remote closed-loop detection module completes the closed-loop test control of analog remote signaling and telemetry; the power distribution automation terminal is also used for receiving the remote control analog signal issued by the three-remote closed-loop detection module, according to the simulated automatic power distribution terminal The remote control test case prefabrication method forms a remote control test case, and operates the remote control contacts of the tester according to the equipment action principle, and the power distribution terminal collects the remote control result data and transmits the data to the three-remote closed loop through the standard 101/104 protocol The detection module completes the closed-loop test control of the analog remote control;
在本实施例中，所述测试仪为配电终端现场测试仪，该配电终端现场测试仪采用报文收发机制实现与配电自动化主站的三遥闭环检测模块的交互。配电终端现场测试仪通过解析主站下发的测试模型，产生相应的模拟量、开关量信号，以检验配电自动化终端的三遥功能。In this embodiment, the tester is a field tester for a power distribution terminal, and the field tester for a power distribution terminal uses a message sending and receiving mechanism to realize interaction with the three-remote closed-loop detection module of the distribution automation master station. The power distribution terminal field tester analyzes the test model issued by the master station to generate corresponding analog and switch signals to test the three-remote functions of the power distribution automation terminal.
一种基于模拟发信与二次注入的配电终端闭环检测方法，如图1、图2和图3所示，包括以下步骤：A closed-loop detection method for power distribution terminals based on analog signaling and secondary injection, as shown in Figure 1, Figure 2 and Figure 3, includes the following steps:
步骤1、主站三遥闭环检测模块在三遥闭环测试的过程中选择并生成测试模型，并通过通信系统将包含遥信和遥测信息的测试模型以二遥闭环模拟测试报文的形式下发给测试仪；Step 1. The three-remote closed-loop detection module of the master station selects and generates a test model during the three-remote closed-loop test, and sends the test model containing remote signaling and telemetry information to the tester;
步骤2、主站三遥闭环检测模块通过通信系统将遥控的模拟信号下发给自动化配电终端；Step 2. The three-remote closed-loop detection module of the master station sends the analog signal of the remote control to the automatic power distribution terminal through the communication system;
步骤3、测试仪接收并解析所述主站三遥闭环检测模块下发的二遥闭环模拟测试报文，并依据包含遥信和遥测信息的测试模型给自动化配电终端进行加量，自动实现自身遥信和遥测模拟注入测试的参数配置；并根据模拟配电自动化终端二遥注入(即遥测和遥信)的测试用例预制方法，分别形成遥测的测试用例和遥信的测试用例，完成对所述自动化配电终端的二遥模拟量注入；Step 3. The tester receives and analyzes the second-remote closed-loop simulation test message issued by the three-remote closed-loop detection module of the master station, and adds quantity to the automatic power distribution terminal according to the test model containing remote signaling and telemetry information, and automatically realizes its own The parameter configuration of remote signaling and telemetry simulation injection test; and according to the test case prefabrication method of analog power distribution automation terminal two remote injection (ie telemetry and remote signaling), respectively form the test case of telemetry and the test case of remote signaling, complete the described Two-remote analog injection of automated power distribution terminals;
所述步骤3的模拟自动化配电终端二遥注入的测试用例预制方法为：实现包括电压电流基本误差测试、功率基本误差测试、频率基本误差测试、交流频率变化影响测试、直流电压测试和过流告警测试的遥测测试；实现包括遥信状态正确性测试、遥信防抖测试和遥信分辨率测试的遥信测试。The test case prefabrication method of the second-remote injection of the simulated automatic power distribution terminal in the step 3 is as follows: the realization includes the voltage and current basic error test, the power basic error test, the frequency basic error test, the AC frequency change impact test, the DC voltage test and the overcurrent test. Telemetry test for alarm test; realize remote signaling test including remote signaling status correctness test, remote signaling anti-shake test and remote signaling resolution test.
步骤4、配电自动化终端在接收到测试仪的遥信、遥测的二遥模拟量注入后，根据设备动作原理，将采集到的二遥模拟量注入数据通过标准101/104规约传递数据到所述主站三遥闭环检测模块，完成模拟遥信、遥测的闭环测试控制；Step 4. After the power distribution automation terminal receives the remote signal from the tester and the injection of the two-remote analog quantity of the telemetry, according to the operation principle of the equipment, the collected two-remote analog quantity injection data is transmitted to the station through the standard 101/104 protocol. Describe the three-remote closed-loop detection module of the main station to complete the closed-loop test control of analog remote signaling and telemetry;
步骤5、配电自动化终端在接收到主站三遥闭环检测模块下发的遥控的模拟信号后，根据模拟自动化配电终端遥控的测试用例预制方法，形成遥控的测试用例，并根据设备动作原理，操作所述测试仪的遥控触点，并由配电终端采集遥控结果数据通过标准101/104规约传递数据到主站三遥闭环检测模块，完成模拟遥控的闭环测试控制；Step 5. After receiving the analog signal of the remote control issued by the three-remote closed-loop detection module of the main station, the power distribution automation terminal forms a test case of remote control according to the test case prefabrication method of the remote control of the simulated automatic power distribution terminal, and according to the operation principle of the equipment , operate the remote control contacts of the tester, and collect the remote control result data by the power distribution terminal and transfer the data to the three remote closed-loop detection module of the main station through the standard 101/104 protocol, to complete the closed-loop test control of the simulated remote control;
所述步骤5的模拟自动化配电终端遥控的测试用例预制方法为：实现关于遥控执行正确性测试的遥控测试。The test case prefabrication method for simulating the remote control of the automatic power distribution terminal in the step 5 is: realize the remote control test about the correctness test of the remote control execution.
步骤6、由主站三遥闭环检测模块根据遥测、遥信和遥控的三遥测试用例和配电终端上送至主站的三遥结果进行比较，形成闭环测试报告。Step 6. The three-remote closed-loop detection module of the main station compares the three-remote test cases of telemetry, remote signaling and remote control with the three-remote results sent to the main station by the power distribution terminal to form a closed-loop test report.
下面分别对遥测测试用例预制方法、遥信测试用例预制方法和遥控测试用例预制方法进行详细说明：The prefabrication method of the telemetry test case, the prefabrication method of the remote communication test case and the prefabrication method of the remote control test case are described in detail below:
1、遥测测试用例预制方法1. Prefabrication method of telemetry test cases
1)遥测测试中电压电流基本误差测试：1) Voltage and current basic error test in telemetry test:
主站测试用例规定测试仪的输出，保持输入电量的频率为50Hz，谐波分量为0，依次施加输入电压额定值的60％、80％、100％、120％和输入电流额定值的5％、20％、40％、60％、80％、100％、120％及0。主站读取配电终端测量值Uo及Io，电压基本误差Eu及电流基本误差Ei应维持在±0.5％的误差范围内。The test case of the master station stipulates the output of the tester, keep the frequency of the input power at 50Hz, and the harmonic component is 0, and apply 60%, 80%, 100%, 120% of the rated input voltage and 5% of the rated input current in sequence , 20%, 40%, 60%, 80%, 100%, 120%, and 0. The master station reads the measured values Uo and Io of the power distribution terminal, and the voltage basic error Eu and current basic error Ei should be maintained within the error range of ±0.5%.
2)遥测测试中功率基本误差测试：2) Power basic error test in telemetry test:
主站测试用例规定测试仪的输出，保持输入电压为额定值，频率为50Hz，改变输入电流为额定值的5％、20％、40％、60％、80％、100％，主站读取配电终端上送的测量有功功率Pi、无功功率Qi值，和下发用例进行比较，有功功率基本误差Ep及无功功率基本误差Eq应维持在±1％的误差范围内。The test case of the master station stipulates the output of the tester, keep the input voltage at the rated value, the frequency is 50Hz, change the input current to 5%, 20%, 40%, 60%, 80%, 100% of the rated value, and the master station reads The measured active power Pi and reactive power Qi values sent by the power distribution terminal are compared with the delivered use cases. The basic error Ep of active power and the basic error Eq of reactive power should be maintained within the error range of ±1%.
3)遥测测试中频率基本误差测试：3) Frequency basic error test in telemetry test:
主站读取配电终端上送的测量频率值，和下发用例进行比较，要求：误差≤±0.02Hz。The master station reads the measured frequency value sent by the power distribution terminal, and compares it with the issued use case, requiring: error ≤ ±0.02Hz.
4)遥测测试中交流频率变化影响测试：4) Influence test of AC frequency change in telemetry test:
主站测试用例规定测试仪的输出，改变注入量的频率值分别为47.5Hz和52.5Hz，依次测量电压电流的采样值，误差维持在±0.5％的误差范围内。测试仪施加装置过流保护定值*1.05的电流，持续时间大于配电终端检故障时间，终端应产生相应的过流告警SOE。The test case of the master station stipulates the output of the tester, and the frequency values of the injection volume are changed to 47.5Hz and 52.5Hz respectively, and the sampling values of the voltage and current are measured sequentially, and the error is maintained within the error range of ±0.5%. The tester applies a current of device overcurrent protection setting value * 1.05, and the duration is longer than the fault detection time of the power distribution terminal, and the terminal should generate a corresponding overcurrent alarm SOE.
5)遥测测试中直流电压测试和过流告警测试：5) DC voltage test and over-current alarm test in telemetry test:
主站测试用例规定测试仪的输出，测试仪向配电终端直流量采集端口施加直流量，配电终端应能采集直流量，误差维持在±0.5％的误差范围内。The test case of the master station stipulates the output of the tester. The tester applies DC flow to the DC flow collection port of the power distribution terminal. The power distribution terminal should be able to collect the DC flow, and the error is maintained within the error range of ±0.5%.
2、遥信测试用例预制方法2. Prefabrication method of remote signaling test cases
1)遥信测试中遥信状态正确性测试：1) In the remote signaling test, the correctness test of the remote signaling state:
主站测试用例规定测试仪的输出，拨动测试仪中状态量模拟器上任何一路试验开关，应观察到终配电端与之对应的信号变化上送，且与拨动开关状态一致，不误发、不漏发，重复上述试验10次以上。The test case of the master station stipulates the output of the tester. Toggle any test switch on the state quantity simulator in the tester. It should be observed that the corresponding signal change at the terminal power distribution terminal is sent, and it is consistent with the state of the toggle switch. Misissued, not missed, repeat the above test more than 10 times.
2)遥信测试中遥信防抖测试和遥信分辨率测试：2) Remote signaling anti-shake test and remote signaling resolution test in remote signaling test:
主站测试用例规定测试仪的输出，当测试仪输出的开出量持续时间小于被测终端防抖时间定值时，终端不应产生该遥信输入量和SOE信号；反之，配电终端应产生该遥信输入量和SOE信号。改变定值与输入信号，试验重复5次以上。The test case of the master station stipulates the output of the tester. When the duration of the output of the tester is less than the fixed value of the anti-shake time of the terminal under test, the terminal should not generate the remote signal input and SOE signal; otherwise, the power distribution terminal should Generate the remote signaling input and SOE signal. Change the fixed value and input signal, and repeat the test more than 5 times.
主站测试用例规定测试仪的输出，将测试仪的两路开出输出连接至被测终端的两路状态量输入端子上，对两路输出设定一定的时间延迟，该值应不大于5ms(可调)，配电终端应能正确显示状态的变换及动作时间，开关变位事件记录应与设定延迟时间值一致。试验重复5次以上。The test case of the master station stipulates the output of the tester. Connect the two output outputs of the tester to the two state quantity input terminals of the terminal under test, and set a certain time delay for the two outputs. The value should not be greater than 5ms (adjustable), the power distribution terminal should be able to correctly display the state change and action time, and the switch displacement event record should be consistent with the set delay time value. The experiment was repeated more than 5 times.
3、遥控测试用例的预制方法3. Prefabrication method of remote control test cases
主站向配电终端按照预置、返校、执行的顺序下发分合控制命令，配电终端应正确执行分闸或合闸命令。试验重复10次，遥控成功率应为100％。The master station issues opening and closing control commands to the power distribution terminal in the order of preset, return to school, and execution, and the power distribution terminal should correctly execute the opening or closing command. The test is repeated 10 times, and the remote control success rate should be 100%.
下面通过具体实施实例对本发明的基于模拟发信与二次注入的配电终端闭环检测方法和操作流程作进行进一步详细说明：The following is a further detailed description of the closed-loop detection method and operation process of the power distribution terminal based on analog signaling and secondary injection of the present invention through specific implementation examples:
一种基于模拟发信与二次注入的配电终端闭环检测方法，如图3所示，包括以下步骤：A closed-loop detection method for power distribution terminals based on analog signaling and secondary injection, as shown in Figure 3, includes the following steps:
步骤1、在主站中编制系统测试模型与测试方案，配置工程现场内的每个配电终端现场测试仪的IP地址；Step 1. Compile the system test model and test plan in the master station, and configure the IP address of each power distribution terminal field tester in the project site;
步骤2、按照图2所示的配电终端闭环检测网络拓扑接线图，连接每个配电终端现场测试仪与对应的自动化配电终端之间的三遥接线；并使配电终端现场测试仪通过现场的通信系统(如ONU)联网与主站建立通信联接。Step 2. According to the topology wiring diagram of the power distribution terminal closed-loop detection network shown in Figure 2, connect the three-remote wiring between each power distribution terminal field tester and the corresponding automatic power distribution terminal; and make the power distribution terminal field tester Establish a communication link with the master station through the on-site communication system (such as ONU) networking.
步骤3、每个配电终端现场测试仪均自动连接到主站，向主站注册配电终端现场测试仪对应的开关，主站返回对应开关号对应的开关名称，每个配电终端现场测试仪将各自的开关名称显示在界面上。Step 3. Each power distribution terminal field tester is automatically connected to the master station, and the switch corresponding to the power distribution terminal field tester is registered with the master station. The master station returns the switch name corresponding to the corresponding switch number, and each power distribution terminal field test The instrument will display the respective switch names on the interface.
步骤4、配电主站三遥闭环测试模块下发将要执行的二遥(遥信、遥测)测试用例名称和测试序列给配电终端现场测试仪，其中包括执行时间，测试仪解析用例后，生成对应的遥测(电压、电流加量)量和遥信量，由自动化配电终端采集后通过104或101规约上送至主站。Step 4. The three-remote closed-loop test module of the power distribution master station sends the name and test sequence of the two-remote (remote signaling, telemetry) test case to be executed to the field tester of the power distribution terminal, including the execution time. After the tester analyzes the test case, The corresponding telemetry (voltage, current addition) and remote signal quantities are generated, collected by the automated power distribution terminal and sent to the master station through the 104 or 101 protocol.
步骤5、配电主站三遥闭环测试模块下发遥控命令给配电终端，配电终端对便携式配电终端现场测试仪的模拟开关进行遥控操作，测试仪的相应开关节点返回位置变化信号，由配电终端采集到遥信变位信息，以104或101规约上送至主站。遥控测试过程包括遥控预置、遥控预置确认、遥控执行、遥控执行确认，都成功则遥控成功。Step 5. The three-remote closed-loop test module of the power distribution master station sends a remote control command to the power distribution terminal. The power distribution terminal performs remote control operation on the analog switch of the portable power distribution terminal field tester, and the corresponding switch node of the tester returns a position change signal. The remote signal displacement information collected by the power distribution terminal is sent to the main station by 104 or 101 protocol. The remote control test process includes remote control preset, remote control preset confirmation, remote control execution, and remote control execution confirmation. If all are successful, the remote control is successful.
步骤6、由主站根据测试用例和配电终端上送至主站的三遥结果进行比较，形成闭环测试报告，结果判断依据见模拟自动化配电终端二遥注入和遥控的测试用例预制方法。Step 6. The main station compares the test cases with the results of the three remotes sent to the main station by the power distribution terminal to form a closed-loop test report. The basis for judging the results can be found in the test case prefabrication method for simulating the second remote injection and remote control of the automatic power distribution terminal.
需要强调的是，本发明所述的实施例是说明性的，而不是限定性的，因此本发明包括并不限于具体实施方式中所述的实施例，凡是由本领域技术人员根据本发明的技术方案得出的其他实施方式，同样属于本发明保护的范围。It should be emphasized that the embodiments described in the present invention are illustrative rather than restrictive, so the present invention includes and is not limited to the embodiments described in the specific implementation, and those skilled in the art according to the technology of the present invention Other implementations derived from the scheme also belong to the protection scope of the present invention.
Claims (4)
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