CN211577308U - Detection system of external signal generation device - Google Patents
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Abstract
本实用新型公开了一种外施信号发生装置的检测系统，包括机柜、操作面板、录波仪、继电保护测试仪、通信服务器、升压PT、PC工作站和外施信号发生装置，所述机柜的内部安装有所述升压和控制模块，所述升压PT、PC工作站和录波仪均与外施信号发生装置连接，所述升压PT还与所述继电保护测试仪连接，所述继电保护测试仪与所述PC工作站连接，所述PC工作站还与所述录波仪连接，所述机柜与220V电压相接、所述机柜与所述外施信号信号发生装置连接。本实用新型解决了实验室环境下很难快速检测外施信号发生装置以及如何兼容各类外施信号发生装置的问题，可快速判断外施信号发生装置功能、性能是否合格。
The utility model discloses a detection system of an externally applied signal generating device, comprising a cabinet, an operation panel, a wave recorder, a relay protection tester, a communication server, a booster PT, a PC workstation and an externally applied signal generating device. The booster and control modules are installed inside the cabinet, the booster PT, the PC workstation and the wave recorder are all connected to the external signal generating device, and the booster PT is also connected to the relay protection tester, The relay protection tester is connected to the PC workstation, the PC workstation is also connected to the wave recorder, the cabinet is connected to a 220V voltage, and the cabinet is connected to the external signal signal generating device. The utility model solves the problem that it is difficult to quickly detect the externally applied signal generating device and how to be compatible with various externally applied signal generating devices in the laboratory environment, and can quickly judge whether the function and performance of the externally applied signal generating device are qualified.
Description
技术领域technical field
本实用新型涉及配电网技术领域，具体涉及一种外施信号发生装置的检测系统。The utility model relates to the technical field of power distribution networks, in particular to a detection system of an externally applied signal generating device.
背景技术Background technique
随着国内城乡电网建设和改造步伐的加大，架空线路和电缆线路不断增加，故障指示器凭借其快速、准确、可靠、可带点装卸、自动复位、免维护及大幅缩短故障查找、排除及供电恢复时间等一系列优点，已在配电网中得到了广泛得应用。故障指示器采用不对称工频电流注入法原理，利用配电网外施信号发生装置输出特征信号序列，使故障指示器在发生金属性或高阻接地故障时，能准确选线和故障定位指示，提高了检修人员排查故障及隔离故障的效率。With the increasing pace of construction and transformation of domestic urban and rural power grids, overhead lines and cable lines continue to increase. The fault indicator is fast, accurate, reliable, can be loaded and unloaded with point, automatic reset, maintenance-free and greatly shortens fault finding, elimination and maintenance. A series of advantages, such as power supply recovery time, have been widely used in distribution networks. The fault indicator adopts the principle of asymmetric power frequency current injection method, and uses the external signal generator of the distribution network to output the characteristic signal sequence, so that the fault indicator can accurately select the line and indicate the fault location when a metallic or high-resistance grounding fault occurs. , which improves the efficiency of maintenance personnel to troubleshoot and isolate faults.
配电网外施信号发生装置一般安装在变电站、开闭站或者馈线出口线路上，当线路上发生单相接地故障后，配电网外信号发生装置通过零序电压判断接地故障，当接地故障持续一定时间后，配电网外施信号发生装置自动投切开关并产生特征电流信号，该信号经过故障出线的接地相、接地点和大地返回信号源，非故障出线和非故障相没有该信号通过。安装在线路上的故障指示器在检测到配电网外施信号发生装置产生的特征电流信号则就地翻牌指示，并将故障信号发送至配电主站实现故障定位。The signal generating device outside the distribution network is generally installed on the substation, switch station or feeder outlet line. When a single-phase grounding fault occurs on the line, the signal generating device outside the distribution network judges the grounding fault through the zero-sequence voltage. When the grounding fault occurs After a certain period of time, the external signal generating device of the distribution network automatically switches on and off the switch and generates a characteristic current signal. The signal returns to the signal source through the grounding phase, the grounding point and the earth of the fault outlet, and the non-fault outlet and non-fault phases do not have this signal. pass. When the fault indicator installed on the line detects the characteristic current signal generated by the external signal generator of the distribution network, it will turn the card on the spot to indicate, and send the fault signal to the main power distribution station to realize the fault location.
配电网外施信号发生装置的功能指标将决定配电自动化系统接地故障定位的准确性，而现有的检测方法通过搭建10KV配电网真型试验场地来检验配电网外施信号发生装置的功能指标，该方法耗资巨大且效率较低。The function index of the distribution network external signal generating device will determine the accuracy of the ground fault location of the distribution automation system, and the existing detection method is to test the distribution network external signal generating device by building a 10KV distribution network real test site , the method is expensive and inefficient.
实用新型内容Utility model content
本实用新型所要解决的技术问题在于针对上述现有技术中的不足，提出一种外施信号发生装置的检测系统，能够解决现有的实验室环境下很难模拟10kV接地的困境的问题。The technical problem to be solved by the utility model is to solve the problem of the difficulty of simulating 10kV grounding in the existing laboratory environment, aiming at the deficiencies in the above-mentioned prior art, and proposes a detection system of an external signal generating device.
本实用新型解决其技术问题所采用的技术方案是：The technical scheme adopted by the utility model to solve its technical problems is:
一种外施信号发生装置的检测系统，包括机柜、操作面板、录波仪、继电保护测试仪、通信服务器、升压PT、PC工作站和外施信号发生装置，所述机柜正面安装有所述操作面板，所述操作面板的下部安装有录波仪，所述录波仪的下部安装有所述继电保护测试仪，所述继电保护测试仪下部安装有通信服务器，所述机柜的内部安装有所述升压PT和控制模块，所述升压PT、PC工作站和录波仪均与外施信号发生装置连接，所述升压PT还与所述继电保护测试仪连接，所述继电保护测试仪与所述PC工作站连接，所述PC工作站还与所述录波仪连接，所述机柜与V电压相接、所述机柜与所述外施信号发生装置连接。A detection system for an externally applied signal generating device, comprising a cabinet, an operation panel, a wave recorder, a relay protection tester, a communication server, a boost PT, a PC workstation and an externally applied signal generating device. The operation panel, a wave recorder is installed at the lower part of the operation panel, the relay protection tester is installed at the lower part of the wave recorder, a communication server is installed at the lower part of the relay protection tester, and a communication server is installed at the lower part of the cabinet. The boost PT and the control module are installed inside, the boost PT, PC workstation and wave recorder are all connected to the external signal generating device, and the boost PT is also connected to the relay protection tester. The relay protection tester is connected to the PC workstation, the PC workstation is also connected to the wave recorder, the cabinet is connected to the V voltage, and the cabinet is connected to the external signal generating device.
进一步地，所述220V的电源的L线与控制开关相连，所述控制开关与继电器相连，所述继电器与模拟电阻相连，所述模拟电阻与所述录波仪相连，所述录波仪与所述外施信号发生装置相连。Further, the L line of the 220V power supply is connected to a control switch, the control switch is connected to a relay, the relay is connected to an analog resistor, the analog resistor is connected to the wave recorder, and the wave recorder is connected to the The external signal generating device is connected.
进一步地，三个继电器的辅助触点并联，与所述模拟电阻串联后接入录波仪电流通道，所述录波仪与外施信号发生装置连接。Further, the auxiliary contacts of the three relays are connected in parallel, connected in series with the analog resistance, and then connected to the current channel of the oscilloscope, and the oscilloscope is connected to the external signal generating device.
进一步地，所述机柜与多台外施信号发生装置连接。Further, the cabinet is connected with a plurality of external signal generating devices.
进一步地，所述外施信号发生装置的数量为4台。Further, the number of the external signal generating devices is four.
进一步地，所述控制模块与继电器连接，用于根据各电路信息控制所述继电器的通断转换。Further, the control module is connected with the relay, and is used for controlling the on-off conversion of the relay according to each circuit information.
进一步地，所述PC工作站通过所述通信服务器获取外施信号发生装置的录波文件及遥信变位信号。Further, the PC workstation obtains the wave recording file and the remote signal displacement signal of the external signal generating device through the communication server.
进一步地，所述通信服务器通过/规约获取外施信号发生装置的信号。Further, the communication server obtains the signal of the external signal generating device through/protocol.
进一步地，所述PC工作站还控制所述继电保护测试仪输出三相电压信号至升压PT。Further, the PC workstation also controls the relay protection tester to output a three-phase voltage signal to the booster PT.
进一步地，所述连接处采用航空插头和航空插座插接。Further, an aviation plug and an aviation socket are used for the connection at the connection.
本实用新型与现有技术相比具有以下优点：Compared with the prior art, the utility model has the following advantages:
1.本实用新型能够快速、高效地实现配外施信号发生装置的功能指标测试，测试环境外部电源用AC 220V，无需搭建10KV配电网真型试验场地；能够利用PC工作站灵活编辑测试案例，全面测试外施信号发生装置；能够利用PC工作站通过自动对比录波仪和外施信号发生装置的电压、电流波形文件及开关变位信号，实现配电网单相接地故障定位测试项目的自动执行和自动出具报告。1. The utility model can quickly and efficiently realize the function index test of the external signal generating device, and the external power supply of the test environment uses AC 220V, without the need to build a 10KV power distribution network true-type test site; it can use a PC workstation to flexibly edit test cases, Comprehensively test the external signal generating device; can use the PC workstation to automatically compare the voltage and current waveform files and switch displacement signals of the oscilloscope and the external signal generating device to realize the automatic execution of the single-phase grounding fault location test project of the distribution network and automatic reporting.
2.本实用新型能够用一个系统配置4台外施信号发生装置，极大的提高了效率，降低了成本。2. The utility model can configure four external signal generating devices in one system, which greatly improves the efficiency and reduces the cost.
附图说明Description of drawings
图1为本实用新型的外施信号发生装置的检测系统的机柜整体结构图；Fig. 1 is the overall structure diagram of the cabinet of the detection system of the external signal generating device of the present invention;
图2为本实用新型的外施信号发生装置的检测系统结构框图；Fig. 2 is the structural block diagram of the detection system of the external application signal generating device of the present invention;
图3为本实用新型的外施信号发生装置的检测系统接单个外施信号发生装置原理图；3 is a schematic diagram of the detection system of the externally applied signal generating device of the present utility model connected to a single externally applied signal generating device;
图4为本实用新型的外施信号发生装置的检测系统接多个外施信号发生装置原理图；4 is a schematic diagram of the detection system of the externally applied signal generating device of the present invention connected to a plurality of externally applied signal generating devices;
附图标记说明：Description of reference numbers:
1-机柜，2-操作面板，3-录波仪，4-继电保护测试仪，5-通信服务器。1-cabinet, 2-operation panel, 3-wave recorder, 4-relay protection tester, 5-communication server.
具体实施方式Detailed ways
下面结合附图及实施例描述本实用新型具体实施方式：The specific embodiments of the present utility model are described below in conjunction with the accompanying drawings and examples:
需要说明的是，本说明书所附图中示意的结构、比例、大小等，均仅用以配合说明书所揭示的内容，以供熟悉此技术的人士了解与阅读，并非用以限定本实用新型可实施的限定条件，任何结构的修饰、比例关系的改变或大小的调整，在不影响本实用新型所能产生的功效及所能达成的目的下，均应仍落在本实用新型所揭示的技术内容得能涵盖的范围内。It should be noted that the structures, proportions, sizes, etc. shown in the accompanying drawings in this specification are only used to cooperate with the contents disclosed in the specification, so as to be understood and read by those who are familiar with this technology, and are not used to limit the utility model. The limited conditions of implementation, the modification of any structure, the change of the proportional relationship or the adjustment of the size, all should still fall within the technology disclosed by the present utility model without affecting the effect that the utility model can produce and the purpose that can be achieved. The content must be within the scope of coverage.
同时，本说明书中所引用的如“上”、“下”、“左”、“右”、“中间”及“一”等的用语，亦仅为便于叙述的明了，而非用以限定本实用新型可实施的范围，其相对关系的改变或调整，在无实质变更技术内容下，当亦视为本实用新型可实施的范畴。At the same time, the terms such as "up", "down", "left", "right", "middle" and "one" quoted in this specification are only for the convenience of description and clarity, and are not used to limit this specification. The applicable scope of the utility model and the change or adjustment of its relative relationship shall be regarded as the applicable scope of the present utility model without substantially changing the technical content.
一种外施信号发生装置的检测系统，包括机柜1、操作面板2、录波仪3、继电保护测试仪 4、通信服务器5、升压PT、PC工作站和外施信号发生装置，所述机柜1正面安装有所述操作面板2，所述操作面板2的下部安装有录波仪3，所述录波仪3的下部安装有所述继电保护测试仪4，所述继电保护测试仪4下部安装有通信服务器5，所述机柜1的内部安装有所述升压PT和控制模块，所述升压PT、PC工作站和录波仪3均与外施信号发生装置连接，所述升压PT还与所述继电保护测试仪4连接，所述继电保护测试仪4与所述PC工作站连接，所述PC工作站还与所述录波仪3连接，所述机柜1与220V电压相接、所述机柜1与所述外施信号发生装置连接。A detection system of an externally applied signal generating device, comprising a
具体而言，所述220V的电源的L线与控制开关相连，所述控制开关与继电器相连，所述继电器与模拟电阻相连，所述模拟电阻与所述录波仪相连，所述录波仪与所述外施信号发生装置相连。Specifically, the L line of the 220V power supply is connected to a control switch, the control switch is connected to a relay, the relay is connected to an analog resistor, the analog resistor is connected to the recorder, and the recorder connected with the external signal generating device.
具体而言，三个继电器的辅助触点并联，与所述模拟电阻串联后接入录波仪电流通道，所述录波仪与外施信号发生装置连接。Specifically, the auxiliary contacts of the three relays are connected in parallel, connected in series with the analog resistor, and then connected to the current channel of the recorder, and the recorder is connected to the external signal generating device.
具体而言，所述机柜1与多台外施信号发生装置连接。Specifically, the
具体而言，所述外施信号发生装置的数量为4台。Specifically, the number of the external signal generating devices is four.
具体而言，所述控制模块7与继电器连接，用于根据各电路信息控制所述继电器的通断转换。Specifically, the control module 7 is connected to the relay, and is used to control the on-off conversion of the relay according to each circuit information.
具体而言，所述PC工作站通过所述通信服务器5获取外施信号发生装置的录波文件及遥信变位信号。Specifically, the PC workstation obtains the wave recording file and the remote signal displacement signal of the external signal generating device through the
具体而言，所述通信服务器5通过101/104规约获取外施信号发生装置的信号。Specifically, the
具体而言，所述PC工作站还控制所述继电保护测试仪4输出三相电压信号至升压PT。Specifically, the PC workstation also controls the
具体而言，所述连接处采用航空插头和航空插座插接。Specifically, an aviation plug and an aviation socket are used for the connection at the connection.
本实用新型具有的有益效果：能够快速、高效地实现外施信号发生装置的功能指标测试，测试环境外部电源用AC 220V，无需搭建10KV配电网真型试验场地；能够利用PC工作站灵活编辑测试案例，全面测试外施信号发生装置；能够利用PC工作站通过自动对比录波仪和外施信号发生装置的电压、电流波形文件及开关变位信号，实现配电网单相接地故障定位测试项目的自动执行和自动出具报告；本实用新型能够用一个系统配置4台外施信号发生装置，极大的提高了效率，降低了成本。The utility model has the beneficial effects: the function index test of the external signal generating device can be quickly and efficiently realized, the external power supply of the test environment uses AC 220V, and there is no need to build a 10KV power distribution network true-type test site; the PC workstation can be used to flexibly edit the test Cases, comprehensively test the external signal generating device; can use the PC workstation to automatically compare the voltage and current waveform files and switch displacement signals of the recorder and the external signal generating device to realize the single-phase grounding fault location test project of the distribution network. Automatic execution and automatic issuance of reports; the utility model can configure four external signal generating devices in one system, which greatly improves the efficiency and reduces the cost.
上面结合附图对本实用新型优选实施方式作了详细说明，但是本实用新型不限于上述实施方式，在本领域普通技术人员所具备的知识范围内，还可以在不脱离本实用新型宗旨的前提下做出各种变化。The preferred embodiments of the present utility model have been described in detail above in conjunction with the accompanying drawings, but the present utility model is not limited to the above-mentioned embodiments, within the scope of knowledge possessed by those of ordinary skill in the art, but also without departing from the purpose of the present utility model. make various changes.
不脱离本实用新型的构思和范围可以做出许多其他改变和改型。应当理解，本实用新型不限于特定的实施方式，本实用新型的范围由所附权利要求限定。Numerous other changes and modifications may be made without departing from the spirit and scope of the present invention. It should be understood that the present invention is not limited to specific embodiments, and the scope of the present invention is defined by the appended claims.
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