CN103926917A - Intelligent transformer substation master control device testing system and method - Google Patents
Intelligent transformer substation master control device testing system and method Download PDFInfo
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Abstract
本发明公开了一种变电站总控装置智能测试系统及其测试方法，包括调控主站仿真系统测试单元和间隔层仿真系统，其特征在于：调控主站仿真系统测试单元包括IEC104规约子模块、IEC61850规约子模块及智能测试子模块，间隔层仿真IED设备与IEC61850规约子模块建立IEC61850通信链接，被测设备总控装置与IEC104规约子模块建立IEC104通信链接，间隔层仿真IED设备与被测设备总控装置建立IEC61850通信链接，智能测试子模块对采集的数据进行匹配比对，给出测试结果形成测试报告。本发明利用模块化思想，实现同时接收不同通道不用规约的实时报文，对解析的数据进行智能比对，实时产生异常事件，快速输出异常信息，给出判断结果，大大提高总控装置测试效率，同时保证测试结果的实时性和有效性。
The invention discloses an intelligent test system and a test method for a general control device of a substation, which includes a control master station simulation system test unit and an interval layer simulation system, and is characterized in that the control master station simulation system test unit includes IEC104 statute sub-modules, IEC61850 The protocol sub-module and the intelligent test sub-module, the interval layer simulates the IED equipment and establishes the IEC61850 communication link with the IEC61850 protocol sub-module, the master control device of the equipment under test establishes the IEC104 communication link with the IEC104 protocol sub-module, and the interval layer simulates the IED equipment and the device under test. The control device establishes an IEC61850 communication link, and the intelligent test sub-module matches and compares the collected data, and gives the test results to form a test report. The invention utilizes the idea of modularization to simultaneously receive real-time messages of different channels without protocols, intelligently compare the analyzed data, generate abnormal events in real time, quickly output abnormal information, and give judgment results, greatly improving the test efficiency of the master control device , while ensuring the real-time and validity of the test results.
Description
技术领域technical field
本发明涉及一种变电站总控装置智能测试的方法，适用于变电站总控装置测试及检验，属于电力系统自动化技术领域。The invention relates to an intelligent testing method for a general control device of a substation, which is suitable for testing and inspection of the general control device of a substation, and belongs to the technical field of power system automation.
背景技术Background technique
随着国家电网公司调控一体化“大运行”的推进，变电站与调度自动化主站系统交互的信息越来越多，交互的形式也越来越丰富。调度自动化系统中的数据正确与否直接关系到电网调度与监控运行人员对电网运行工况的分析、判断、状态估计、调度员潮流、静态安全分析和短路计算及电网远方遥控操作的正确性等。With the advancement of the "big operation" of the integration of regulation and control by the State Grid Corporation of China, more and more information is exchanged between substations and dispatch automation master station systems, and the forms of interaction are becoming more and more abundant. Whether the data in the dispatching automation system is correct or not is directly related to the analysis, judgment, state estimation, dispatcher power flow, static safety analysis and short-circuit calculation of the power grid dispatching and monitoring operators on the operating conditions of the power grid. .
为保证电网通信过程的通信质量和安全性，对变电站每个接入的总控装置都需经过严格的入网测试，及在运行的变电站总控装置异常缺陷也需要一种有效的手段进行检验，本发明旨在研究一种变电站总控装置智能测试的方法，实现对被测设备总控装置上送的遥测、遥信通信数据和主站下发的遥控和遥调命令的正确性和实时性进行智能测试，保证被测子系统通信能力，完成通信质量评估并形成模板化测试报告。In order to ensure the communication quality and security of the power grid communication process, each master control device connected to the substation needs to undergo a strict network access test, and an effective means of inspection is also required for the abnormal defects of the master control device of the substation in operation. The present invention aims to study a method for intelligent testing of a substation master control device, to realize the correctness and real-time performance of telemetry and remote signaling communication data sent by the master control device of the equipment under test and the remote control and remote adjustment commands issued by the master station Carry out intelligent testing to ensure the communication capability of the subsystem under test, complete communication quality assessment and form a templated test report.
发明内容Contents of the invention
本发明的目的是为了解决目前变电站总控装置入网检测问题及有效检测运行总控装置异常缺陷，本发明提出了一种变电站总控装置智能测试系统及其测试方法，即基于IEC104规约和IEC61850标准的协议分析及比对方法，测试总控装置传输数据的正确性与及时性，保证被测子系统通信能力，完成通信质量评估并形成模板化测试报告。The purpose of the present invention is to solve the problem of network access detection of the current substation master control device and effectively detect the abnormal defects of the operation master control device. The present invention proposes an intelligent test system and its test method for the substation master control device, which is based on the IEC104 protocol and the IEC61850 standard The method of protocol analysis and comparison is used to test the correctness and timeliness of the data transmitted by the master control device, to ensure the communication capability of the subsystem under test, to complete the communication quality evaluation and to form a template test report.
为了解决上述问题，本发明所采取的技术方案是：In order to solve the problems referred to above, the technical scheme that the present invention takes is:
一种变电站总控装置智能测试系统，包括调控主站仿真系统测试单元，其特征在于：所述调控主站仿真系统测试单元包括IEC104规约子模块、IEC61850规约子模块及智能测试子模块，所述间隔层仿真IED设备与IEC61850规约子模块建立IEC61850通信链接，所述被测设备总控装置与IEC104规约子模块建立IEC104通信链接，所述间隔层仿真IED设备与被测设备总控装置建立IEC61850通信链接，所述智能测试子模块对分别来自IEC104规约子模块采集的数据与IEC61850规约子模块采集的数据进行匹配比对，给出测试结果形成测试报告。An intelligent test system for a substation general control device, including a control master station simulation system test unit, characterized in that: the control master station simulation system test unit includes an IEC104 protocol sub-module, an IEC61850 protocol sub-module and an intelligent test sub-module, the The bay layer emulates the IED equipment and establishes an IEC61850 communication link with the IEC61850 protocol sub-module, and establishes an IEC104 communication link between the master control device of the tested equipment and the IEC104 protocol sub-module, and establishes an IEC61850 communication between the bay layer simulated IED device and the master control device of the device under test link, the intelligent test sub-module matches and compares the data collected from the IEC104 protocol sub-module and the data collected by the IEC61850 protocol sub-module, and gives the test results to form a test report.
前述的一种变电站总控装置智能测试系统，其特征在于：所述IEC104规约子模块采集被测设备总控装置输送的信息，并实时解析报文，经过详细的规约分析并输出事件信息，将输出的事件信息保存至数据库供自动化测试子模块调用。The aforementioned smart test system for a substation master control device is characterized in that: the IEC104 statute sub-module collects the information delivered by the master control device of the equipment under test, and parses the message in real time, and outputs event information through detailed protocol analysis. The output event information is saved to the database for calling by the automated test sub-module.
前述的一种变电站总控装置智能测试系统，其特征在于：所述IEC61850规约子模块采集间隔层仿真IED设备输送的信息，能够对规约分析并输出事件信息，将输出的事件信息保存至数据库供自动化测试子模块调用。The aforementioned intelligent test system for substation master control device is characterized in that: the IEC61850 protocol sub-module collects the information delivered by the bay layer simulation IED equipment, can analyze the protocol and output event information, and save the output event information to the database for supply Automated test submodule calls.
前述的一种变电站总控装置智能测试系统，其特征在于：所述智能测试子模块将IEC104规约子模块和IEC61850规约子模块输出的事件信息作为输入，比对两次输入的事件信息的异常，并给出测试结果形成测试报告。The aforementioned intelligent test system for substation master control devices is characterized in that: the intelligent test submodule uses the event information output by the IEC104 statute submodule and the IEC61850 statute submodule as input, and compares the abnormality of the event information input twice, And give the test results to form a test report.
一种变电站总控装置智能测试方法，其特征在于：包括以下几个步骤：An intelligent testing method for a substation master control device, characterized in that it includes the following steps:
(1)、利用IEC61850通信协议对间隔层仿真IED设备的开关量与模拟量设值；(1) Use the IEC61850 communication protocol to simulate the switching value and analog value setting of the IED equipment on the bay layer;
(2)、间隔层仿真IED设备通过IEC61850通信协议向仿真系统测试单元的IEC61850规约子模块上数送变化的遥测和变位的遥信数据，IEC61850规约子模块存储上述报文至数据库；(2), the bay layer simulates the IED equipment to send the changed telemetry and displacement telesignaling data to the IEC61850 protocol sub-module of the simulation system test unit through the IEC61850 communication protocol, and the IEC61850 protocol sub-module stores the above-mentioned messages to the database;
(3)、间隔层仿真IED设备与被测设备总控装置通过IEC61850通信协议交互信息；(3) The interval layer simulates the IED equipment and the master control device of the equipment under test to exchange information through the IEC61850 communication protocol;
(4)、被测设备总控装置通过IEC104通信协议转发采集的变化的遥测和变位的遥信等通信数据，调控主站仿真系统测试单元IEC104规约子模块获取被测设备总控装置转发的报文并发送至数据库存储；(4), the master control device of the equipment under test forwards and collects the communication data such as the changed telemetry and the remote signal of displacement through the IEC104 communication protocol, and regulates the master station simulation system test unit IEC104 protocol sub-module to obtain the data forwarded by the master control device of the device under test The message is sent to the database for storage;
(5)、控主站仿真系统测试单元的智能测试子模块对步骤(2)和步骤(4)获取的通信报文，比对两次获取的遥测和遥信属性值，验证测试数据的正确性和实时性，若两次分析的数值在允许数值与时间偏差范围内，则输出测试通过报告，若数值超出偏差范围，则抛出异常事件，输出测试不通过报告。(5), the intelligent test sub-module of the master station simulation system test unit compares the telemetry and telesignal attribute values obtained twice to the communication messages obtained in steps (2) and (4), and verifies that the test data is correct and real-time performance, if the value of the two analyzes is within the allowable value and time deviation range, the output test pass report, if the value exceeds the deviation range, an exception event will be thrown, and the test fail report will be output.
前述的一种变电站总控装置智能测试方法，其特征在于：所述步骤(5)中，测试数据正确性比对：通过数据值比对检验，由于采用不同的数据传输格式，数据允许存在一个较小的转换误差，转换误差由系统设定。The aforementioned intelligent testing method for a substation master control device is characterized in that: in the step (5), the correctness of the test data is compared: through the data value comparison inspection, due to the use of different data transmission formats, the data is allowed to exist one Small conversion error, the conversion error is set by the system.
前述的一种变电站总控装置智能测试方法，其特征在于：所述步骤(5)中，测试数据实时性比对：通过变化数据来测试，用IEC61850通道及IEC104通道得到更新数据的时间差来获取被测设备总控装置的实时性结果。The aforementioned smart test method for a substation master control device is characterized in that: in the step (5), the real-time comparison of the test data: test by changing the data, and obtain the time difference of the updated data with the IEC61850 channel and the IEC104 channel The real-time results of the master control device of the equipment under test.
本发明的有益效果是：本发明提供的一种变电站总控装置智能测试系统及其测试方法，利用模块化思想，同时实现不同通道不用规约的实时报文，保证规约分析实时性，实时产生异常事件，快速输出异常信息，通过智能比对，给出测试结果，大大提高了变电站总控装置的入网测试效率，同时也能快速的检测出有异常缺陷运行中的总控装置，为电网安全运行提高有力的技术保证。The beneficial effect of the present invention is that: the intelligent test system and test method of the substation general control device provided by the present invention utilizes the idea of modularization to simultaneously realize real-time messages of different channels without protocols, ensuring the real-time analysis of protocols and generating abnormalities in real time events, quickly output abnormal information, and provide test results through intelligent comparison, which greatly improves the network access test efficiency of the substation master control device, and can also quickly detect the master control device in operation with abnormal defects, so as to ensure the safe operation of the power grid. Improve strong technical guarantee.
附图说明Description of drawings
图1是本发明变电站总控装置智能测试系统结构框图。Fig. 1 is a structural block diagram of the intelligent test system of the substation master control device of the present invention.
图2是变电站总控装置智能测试方法测试流程示意图；Fig. 2 is a schematic diagram of the testing process of the intelligent testing method of the substation master control device;
图3时本发明测试系统信息交互流程示意图。Fig. 3 is a schematic diagram of the information interaction flow of the testing system of the present invention.
具体实施方式Detailed ways
下面结合附图对本发明做进一步的描述。The present invention will be further described below in conjunction with the accompanying drawings.
如图1所示，一种变电站总控装置智能测试系统，包括调控主站仿真系统测试单元，其特征在于：所述调控主站仿真系统测试单元包括IEC104规约子模块、IEC61850规约子模块及智能测试子模块，所述间隔层仿真IED设备与IEC61850规约子模块建立IEC61850通信链接，所述被测设备总控装置与IEC104规约子模块建立IEC104通信链接，所述间隔层仿真IED设备与被测设备总控装置建立IEC61850通信链接，所述智能测试子模块对分别来自IEC104规约子模块采集的数据与IEC61850规约子模块采集的数据进行匹配比对，给出测试结果形成测试报告。As shown in Figure 1, an intelligent test system for a substation general control device includes a control master station simulation system test unit. The test sub-module, the interval layer emulates the IED equipment and establishes the IEC61850 communication link with the IEC61850 protocol sub-module, the said master control device of the equipment under test establishes the IEC104 communication link with the IEC104 protocol sub-module, and the interval layer simulates the IED equipment and the equipment under test The master control device establishes an IEC61850 communication link, and the intelligent test sub-module matches and compares the data collected by the IEC104 protocol sub-module with the data collected by the IEC61850 protocol sub-module, and provides test results to form a test report.
所述IEC104规约子模块采集被测设备总控装置输送的信息，并实时解析报文，经过详细的规约分析并输出事件信息，将输出的事件信息保存至数据库供自动化测试子模块调用。所述IEC61850规约子模块采集间隔层仿真IED设备输送的信息，能够对规约分析并输出事件信息，将输出的事件信息保存至数据库供自动化测试子模块调用。所述智能测试子模块将IEC104规约子模块和IEC61850规约子模块输出的事件信息作为输入，比对两次输入的事件信息的异常，并给出测试结果形成测试报告。The IEC104 protocol sub-module collects the information sent by the master control device of the equipment under test, and analyzes the message in real time, and outputs event information after detailed protocol analysis, and saves the output event information to the database for the automatic test sub-module to call. The IEC61850 protocol sub-module collects the information delivered by the bay layer simulation IED device, can analyze the protocol and output event information, and save the output event information to the database for the automatic test sub-module to call. The intelligent test sub-module takes the event information output by the IEC104 protocol sub-module and the IEC61850 protocol sub-module as input, compares the abnormality of the two input event information, and gives the test result to form a test report.
本发明变电站总控装置智能测试方法，包括以下几个步骤：The intelligent testing method of the substation master control device of the present invention comprises the following steps:
(1)、利用IEC61850通信协议对间隔层仿真IED设备的开关量与模拟量设值；(1) Use the IEC61850 communication protocol to simulate the switching value and analog value setting of the IED equipment on the bay layer;
(2)、间隔层仿真IED设备通过IEC61850通信协议向仿真系统测试单元的IEC61850规约子模块上数送变化的遥测和变位的遥信数据，IEC61850规约子模块存储上述报文至数据库；(2), the interval layer simulates the IED equipment to send the changed telemetry and displacement telesignaling data to the IEC61850 protocol sub-module of the simulation system test unit through the IEC61850 communication protocol, and the IEC61850 protocol sub-module stores the above-mentioned messages to the database;
(3)、间隔层仿真IED设备与被测设备总控装置通过IEC61850通信协议交互信息；(3) The interval layer simulates the IED equipment and the master control device of the equipment under test to exchange information through the IEC61850 communication protocol;
(4)、被测设备总控装置通过IEC104通信协议转发采集的变化的遥测和变位的遥信等通信数据，调控主站仿真系统测试单元IEC104规约子模块获取被测设备总控装置转发的报文并发送至数据库存储；(4), the master control device of the equipment under test forwards and collects the communication data such as the changed telemetry and the remote signal of displacement through the IEC104 communication protocol, and regulates the master station simulation system test unit IEC104 protocol sub-module to obtain the data forwarded by the master control device of the device under test The message is sent to the database for storage;
(5)、控主站仿真系统测试单元的智能测试子模块对步骤(2)和步骤(4)获取的通信报文，比对两次获取的遥测和遥信属性值，验证测试数据的正确性和实时性，若两次分析的数值在允许数值与时间偏差范围内，则输出测试通过报告，若数值超出偏差范围，则抛出异常事件，输出测试不通过报告。(5), the intelligent test sub-module of the master station simulation system test unit compares the telemetry and telesignal attribute values obtained twice to the communication messages obtained in steps (2) and (4), and verifies that the test data is correct and real-time performance, if the value of the two analyzes is within the allowable value and time deviation range, the output test pass report, if the value exceeds the deviation range, an exception event will be thrown, and the test fail report will be output.
本发明测试系统通过对分别来自IEC104规约子模块采集的数据与IEC61850规约子模块采集的数据进行匹配比对，从而校验被测设备数据处理的正确性及实时性，其中测试原理如下：The test system of the present invention matches and compares the data collected from the IEC104 protocol sub-module and the data collected by the IEC61850 protocol sub-module respectively, thereby verifying the correctness and real-time performance of the data processing of the device under test, wherein the test principle is as follows:
正确性比对：通过数据值比对检验，由于可能采用不同的数据传输格式，数据允许存在一个较小的转换误差，由系统设定。Correctness comparison: through the data value comparison test, due to the possible use of different data transmission formats, the data is allowed to have a small conversion error, which is set by the system.
实时性比对：通过变化数据来测试，用IEC61850通道及IEC104通道得到更新数据的时间差来获取被测设备的实时性的结果。Real-time comparison: test by changing the data, and use the time difference between the IEC61850 channel and the IEC104 channel to obtain the updated data to obtain the real-time results of the device under test.
为实现闭环测试，本方案采用IEC61850通信协议取代服务来实现，这样便于测试各种数值条件下被测设备的功能和性能。以上显示和描述了本发明的基本原理、主要特征及优点。本行业的技术人员应该了解，本发明不受上述实施例的限制，上述实施例和说明书中描述的只是说明本发明的原理，在不脱离本发明精神和范围的前提下，本发明还会有各种变化和改进，这些变化和改进都落入要求保护的本发明范围内。本发明要求保护范围由所附的权利要求书及其等效物界。In order to realize the closed-loop test, this program uses the IEC61850 communication protocol to replace the service, which is convenient for testing the function and performance of the device under test under various numerical conditions. The basic principles, main features and advantages of the present invention have been shown and described above. Those skilled in the art should understand that the present invention is not limited by the above-mentioned embodiments, and that described in the above-mentioned embodiments and the specification only illustrates the principles of the present invention, and the present invention will also have other functions without departing from the spirit and scope of the present invention. Variations and improvements all fall within the scope of the claimed invention. The protection scope of the present invention is defined by the appended claims and their equivalents.
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