CN204761165U - Monitored control system is synthesized to rural power grid operation state - Google Patents
Monitored control system is synthesized to rural power grid operation state Download PDFInfo
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Abstract
Description
技术领域technical field
本实用新型涉及一种监控系统,尤其涉及一种农村电网运行状态综合监控系统。The utility model relates to a monitoring system, in particular to a comprehensive monitoring system for the running state of a rural power grid.
背景技术Background technique
在现代社会中,对于供电的稳定性要求越来越高,因此,对于电网中的运行参数的监测尤为重要,尤其是农村电网的运行,目前对于农村电网中的运行参数主要采用人工获取的方式,然后通过人工将数据录入到系统中,在这个过程中,工作人员并不一定严格按照操作要求获取相关数据,并且在录入数据的过程中容易因为疏忽等因素造成数据错误,从而影响最终的供电决策,影响电力系统的工作稳定性,另一方面,现有的这种方式存在严重的滞后问题,也就是说,人工所监测的数据不能够及时反馈,不能够实时指导电网的运行操作,此外,更为重要的是,现有的监测方式并不能够对于农村电网的线路运行状态以及电网的低电压状态进行准确检测报警,导致局部地区存在低电压状态而严重影响生产及生活。In modern society, the requirements for the stability of power supply are getting higher and higher. Therefore, the monitoring of operating parameters in the power grid is particularly important, especially for the operation of rural power grids. At present, the operating parameters of rural power grids are mainly obtained manually. , and then enter the data into the system manually. In this process, the staff may not strictly follow the operation requirements to obtain relevant data, and in the process of entering data, it is easy to cause data errors due to negligence and other factors, thus affecting the final power supply. Decision-making affects the stability of the power system. On the other hand, the existing method has a serious lag problem, that is, the data monitored by humans cannot be fed back in time and cannot guide the operation of the power grid in real time. In addition More importantly, the existing monitoring methods cannot accurately detect and alarm the line operation status of the rural power grid and the low-voltage state of the power grid, resulting in low-voltage conditions in some areas that seriously affect production and life.
因此,需要提出一种农村电网运行状态综合监控系统,能够实时监测农村电网运行过程中的参数,并能够根据参数状态进行准确预警;能够对农村电网中的低电压状态进行准确监测并预警,确保电网运行稳定。Therefore, it is necessary to propose a comprehensive monitoring system for the operation status of rural power grids, which can monitor the parameters in the operation process of rural power grids in real time, and provide accurate early warnings according to the status of parameters; The power grid is stable.
实用新型内容Utility model content
有鉴于此,本实用新型的目的是提供一种农村电网运行状态综合监控系统,能够实时监测电网运行过程中的参数,并能够根据参数状态进行准确预警;能够对电网中的低电压状态进行准确监测并预警,确保电网运行稳定。In view of this, the purpose of this utility model is to provide a comprehensive monitoring system for the operation status of the rural power grid, which can monitor the parameters in the operation process of the power grid in real time, and can accurately warn according to the state of the parameters; Monitoring and early warning to ensure stable operation of the power grid.
本实用新型提供的一种农村电网运行状态综合监控系统,包括用于检测各分站状态的分站检测模块、用于检测线路工作状态的线路检测模块、与所述分站检测模块和线路检测模块通信连接的分站监测模块、与所述分站监测模块通信连接的监控中心、与分站监测模块通信连接的近程执行模块以及与监控中心连接的远程输出模块;The utility model provides a comprehensive monitoring system for the operation status of the rural power grid, which includes a substation detection module for detecting the status of each substation, a line detection module for detecting the working state of the line, and the substation detection module and the line detection module. A substation monitoring module connected by module communication, a monitoring center connected by communication with the substation monitoring module, a short-distance execution module connected by communication with the substation monitoring module, and a remote output module connected with the monitoring center;
所述分站检测模块包括用于检测设备电压的设备电压传感器、用于检测设备电流的设备电流传感器、设备温度传感器、用于检测变电站环境温度的环境温度传感器、用于检测变电站环境湿度的环境湿度传感器以及GIS气体传感器中的一种或者两种及以上的组合;The substation detection module includes an equipment voltage sensor for detecting equipment voltage, an equipment current sensor for detecting equipment current, an equipment temperature sensor, an ambient temperature sensor for detecting the ambient temperature of the substation, and an environmental sensor for detecting the ambient humidity of the substation. One or a combination of two or more of humidity sensors and GIS gas sensors;
所述线路检测模块包括末端电压传感器和首端电压传感器;The line detection module includes a terminal voltage sensor and a head-end voltage sensor;
所述近程执行模块包括与分站监测模块通信连接的输入输出单元以及与设置于由分站范围内电网各节点的功率补偿设备,所述功率补偿设备与分站检测模块通信连接。The short-range execution module includes an input and output unit communicatively connected with the substation monitoring module and power compensation equipment arranged at each node of the power grid within the range of the substation, and the power compensation device is communicatively connected with the substation detection module.
进一步,所述分站检测模块包括与分站检测模块和线路检测模块连接的预处理电路、与所述预处理电路输出端连接的比较器、与比较器的输出端连接的分站处理电路以及与所述分站处理电路通信连接的分站存储器,所述分站处理电路还与预处理电路的输出端连接,所述分站处理电路与输入输出单元以及功率补偿设备通信连接。Further, the substation detection module includes a preprocessing circuit connected to the substation detection module and the line detection module, a comparator connected to the output end of the preprocessing circuit, a substation processing circuit connected to the output end of the comparator, and A substation memory communicatively connected to the substation processing circuit, the substation processing circuit is also connected to the output end of the preprocessing circuit, and the substation processing circuit is communicatively connected to the input and output unit and the power compensation device.
进一步,所述输入输出单元包括近程显示器、近程报警器以及近程键盘,所述近程显示器、近程报警器以及近程键盘均与分站处理电路连接。Further, the input and output unit includes a short-range display, a short-range alarm and a short-range keyboard, and the short-range display, short-range alarm and short-range keyboard are all connected to the substation processing circuit.
进一步,所述监控中心包括监控服务器、与所述监控服务器通信连接的调度服务器以及与所述监控服务器通信连接的存储服务器,所述监控服务器与分站处理电路通信连接,所述监控服务器与远程输出模块连接。Further, the monitoring center includes a monitoring server, a scheduling server communicatively connected to the monitoring server, and a storage server communicatively connected to the monitoring server, the monitoring server communicates with the substation processing circuit, and the monitoring server communicates with the remote Output module connections.
进一步,所述远程输出模块包括远程显示器和远程报警器,所述远程显示器和远程报警器均与监控服务器连接。Further, the remote output module includes a remote display and a remote alarm, both of which are connected to the monitoring server.
进一步,所述线路检测模块检测传输电路,所述末端电压传感器和首端电压通过对应的检测传输电路与分站处理电路通信连接。Further, the line detection module detects the transmission circuit, and the terminal voltage sensor and the head-end voltage communicate with the substation processing circuit through the corresponding detection transmission circuit.
进一步,所述分站监测模块与监控中心通过无线传输模块通信连接。Further, the substation monitoring module is connected to the monitoring center through a wireless transmission module.
本实用新型的有益效果:本实用新型的农村电网运行状态综合监控系统,能够实时监测农村电网运行过程中的参数,并能够根据参数状态进行准确预警,能够有效避免人为因素的干扰,确保监控的实时性和准确性,进而确保农村电网持续稳定运行;Beneficial effects of the utility model: the comprehensive monitoring system for the operation status of the rural power grid of the utility model can monitor the parameters in the operation process of the rural power grid in real time, and can carry out accurate early warning according to the parameter status, can effectively avoid the interference of human factors, and ensure the accuracy of monitoring. Real-time and accuracy, thereby ensuring the continuous and stable operation of rural power grids;
能够对农村电网中的低电压状态进行准确实时的监测并预警,在存在低电压状况时能够准确进行相应的功率补偿,消除低电压状态,确保电网运行稳定,避免对生产生活造成影响。It can accurately monitor and warn the low voltage state in the rural power grid in real time, and can accurately perform corresponding power compensation when there is a low voltage state, eliminate the low voltage state, ensure the stable operation of the power grid, and avoid affecting production and life.
附图说明Description of drawings
下面结合附图和实施例对本实用新型作进一步描述:Below in conjunction with accompanying drawing and embodiment the utility model is further described:
图1为本实用新型的原理框图。Fig. 1 is a functional block diagram of the utility model.
具体实施方式Detailed ways
图1为本实用新型的原理框图,如图所示,本实用新型提供的一种农村电网运行状态综合监控系统,包括用于检测各分站状态的分站检测模块、用于检测线路工作状态的线路检测模块、与所述分站检测模块和线路检测模块通信连接的分站监测模块、与所述分站监测模块通信连接的监控中心、与分站监测模块通信连接的近程执行模块以及与监控中心连接的远程输出模块;Fig. 1 is a functional block diagram of the utility model, as shown in the figure, a comprehensive monitoring system for the operation status of a rural power grid provided by the utility model includes a substation detection module for detecting the status of each substation, and a substation detection module for detecting the working status of the line A line detection module, a substation monitoring module communicatively connected with the substation detection module and the line detection module, a monitoring center communicatively connected with the substation monitoring module, a short-range execution module communicatively connected with the substation monitoring module, and A remote output module connected to the monitoring center;
所述分站检测模块包括用于检测设备电压的设备电压传感器、用于检测设备电流的设备电流传感器、设备温度传感器、用于检测变电站环境温度的环境温度传感器、用于检测变电站环境湿度的环境湿度传感器以及GIS气体传感器中的一种或者两种及以上的组合;The substation detection module includes an equipment voltage sensor for detecting equipment voltage, an equipment current sensor for detecting equipment current, an equipment temperature sensor, an ambient temperature sensor for detecting the ambient temperature of the substation, and an environmental sensor for detecting the ambient humidity of the substation. One or a combination of two or more of humidity sensors and GIS gas sensors;
所述线路检测模块包括末端电压传感器和首端电压传感器;The line detection module includes a terminal voltage sensor and a head-end voltage sensor;
所述近程执行模块包括与分站监测模块通信连接的输入输出单元以及与设置于由分站范围内电网各节点的功率补偿设备,所述功率补偿设备与分站检测模块通信连接;本实用新型的农村电网运行状态综合监控系统,能够实时监测农村电网运行过程中的参数,并能够根据参数状态进行准确预警,能够有效避免人为因素的干扰,确保监控的实时性和准确性,进而确保农村电网持续稳定运行;The short-range execution module includes an input and output unit communicatively connected with the substation monitoring module and power compensation equipment arranged at each node of the power grid within the range of the substation, and the power compensation device is communicatively connected with the substation detection module; the utility model The new type of comprehensive monitoring system for the operation status of rural power grids can monitor the parameters of the rural power grid in real time and provide accurate early warnings based on the status of the parameters. The grid continues to operate stably;
能够对农村电网中的低电压状态进行准确实时的监测并预警,在存在低电压状况时能够准确进行相应的功率补偿,消除低电压状态,确保电网运行稳定,避免对生产生活造成影响。It can accurately monitor and warn the low voltage state in the rural power grid in real time, and can accurately perform corresponding power compensation when there is a low voltage state, eliminate the low voltage state, ensure the stable operation of the power grid, and avoid affecting production and life.
本实施例中,所述分站检测模块包括与分站检测模块和线路检测模块连接的预处理电路、与所述预处理电路输出端连接的比较器、与比较器的输出端连接的分站处理电路以及与所述分站处理电路通信连接的分站存储器,所述分站处理电路还与预处理电路的输出端连接,所述分站处理电路与输入输出单元以及功率补偿设备通信连接,其中,预处理电路用于将检测信号进行放大、滤波以及模数转换处理,利于后续处理,所述分站处理电路采用现有的单片机或者集成芯片。In this embodiment, the substation detection module includes a preprocessing circuit connected to the substation detection module and the line detection module, a comparator connected to the output end of the preprocessing circuit, and a substation connected to the output end of the comparator A processing circuit and a substation memory communicatively connected to the substation processing circuit, the substation processing circuit is also connected to the output end of the preprocessing circuit, the substation processing circuit is communicatively connected to the input and output unit and the power compensation device, Wherein, the preprocessing circuit is used for amplifying, filtering and analog-to-digital conversion processing of the detection signal, which is beneficial to subsequent processing, and the substation processing circuit adopts an existing single-chip microcomputer or an integrated chip.
本实施例中,所述输入输出单元包括近程显示器、近程报警器以及近程键盘,所述近程显示器、近程报警器以及近程键盘均与分站处理电路连接,通过上述结构,能够利于分站的工作人员获取相关的参数信息以及操作票信息,便于准确指导工作。In this embodiment, the input and output unit includes a short-range display, a short-range alarm and a short-range keyboard, and the short-range display, short-range alarm and short-range keyboard are all connected to the substation processing circuit. Through the above structure, It can help the staff of the substations to obtain relevant parameter information and operation ticket information, so as to guide the work accurately.
本实施例中,所述监控中心包括监控服务器、与所述监控服务器通信连接的调度服务器以及与所述监控服务器通信连接的存储服务器,所述监控服务器与分站处理电路通信连接,所述监控服务器与远程输出模块连接;In this embodiment, the monitoring center includes a monitoring server, a scheduling server communicatively connected to the monitoring server, and a storage server communicatively connected to the monitoring server, the monitoring server is communicatively connected to the substation processing circuit, and the monitoring The server is connected with the remote output module;
其中,所述远程输出模块包括远程显示器和远程报警器,所述远程显示器和远程报警器均与监控服务器连接。Wherein, the remote output module includes a remote display and a remote alarm, both of which are connected to the monitoring server.
本实施例中,所述线路检测模块检测传输电路,所述末端电压传感器和首端电压通过对应的检测传输电路与分站处理电路通信连接,由于线路的末端电压和首端电压的检测位于各条线路上,为了便于参数能够实时反馈,采用检测传输电路传到分站处理电路中,检测传输电路可以采用以太网模块或者移动通信模块。In this embodiment, the line detection module detects the transmission circuit, and the terminal voltage sensor and the head end voltage communicate with the substation processing circuit through the corresponding detection transmission circuit. Since the detection of the end voltage and the head end voltage of the line is located in each On the first line, in order to facilitate real-time feedback of parameters, the detection and transmission circuit is used to transmit to the substation processing circuit. The detection and transmission circuit can use an Ethernet module or a mobile communication module.
本实施例中,所述分站监测模块与监控中心通过无线传输模块通信连接,其中,无线传输模块采用以太网模块或者移动通信模块。In this embodiment, the substation monitoring module is connected to the monitoring center through a wireless transmission module, wherein the wireless transmission module adopts an Ethernet module or a mobile communication module.
本实用新型的工作原理:Working principle of the utility model:
电网运行过程中,通过分站检测模块检测各分变电站的状态参数,包括环境参数以及设备参数,其中,设备参数主要包括电压、电流、温度参数,对于变压器来说,绝缘油中的GIS气体参数也是重要的参数,上述中的参数通过分站检测模块获取传输到预处理电路中,经过预处理电路处理输入到比较器以及分站处理电路中,如果上述中的各参数超过了设定的参数阈值,分站处理电路生成报警信息,通过近程报警器进行报警,并通过近程显示器进行显示,分站工作人员立即进行相应的工作准备,分站处理电路将报警信息以及参数传输到监控服务器,监控服务器根据相应的报警信息向调度服务器获取相应的操作请求,调度服务器根据不同的报警信息生成不同的操作票,并通过监控服务器反馈到分站处理电路中,分站的工作人员根据操作票信息进行相应的运维操作;如果上述参数均在设定范围之内,证明整个分站运行稳定,分站处理电路将监测到的数据直接传输到监控服务器,便于监控中心的工作人员分析,并且监控服务器将所接收到的数据以及转发的操作票数据均存储到存储服务器中;During the operation of the power grid, the state parameters of each substation are detected by the substation detection module, including environmental parameters and equipment parameters. Among them, the equipment parameters mainly include voltage, current, and temperature parameters. For transformers, GIS gas parameters in insulating oil It is also an important parameter. The above parameters are acquired and transmitted to the preprocessing circuit through the substation detection module, and then input to the comparator and substation processing circuit after the preprocessing circuit processing. If the above parameters exceed the set parameters Threshold, the substation processing circuit generates alarm information, alarms through the short-range alarm, and displays it through the short-range display, the substation staff immediately prepares for the corresponding work, and the substation processing circuit transmits the alarm information and parameters to the monitoring server , the monitoring server obtains the corresponding operation request from the dispatching server according to the corresponding alarm information, and the dispatching server generates different operation tickets according to different alarm information, and feeds back to the substation processing circuit through the monitoring server, and the staff of the substation according to the operation ticket information to carry out corresponding operation and maintenance operations; if the above parameters are within the set range, it proves that the whole substation is running stably, and the substation processing circuit will directly transmit the monitored data to the monitoring server, which is convenient for the staff of the monitoring center to analyze, and The monitoring server stores the received data and forwarded operation ticket data in the storage server;
线路检测模块用于检测传输线路的首端电压和末端电压,该电压信息通过检测传输电路传输到预处理电路中,经预处理电路处理后传输至比较器中,其中,比较器将末端电压与设定的电压值比较,并且末端电压和首端电压比较确定差值,如末端电压小于设定值,证明当前状态处于低电压状态,分站处理电路生成相应的报警信息并进行报警,而且分站处理电路将当前的低电压状态反馈到监控服务器,由监控服务器向调度服务器请求操作票,当调度服务器反馈的操作票传输到分站处理电路中,分站处理电路根据操作票指令控制功率补偿设备执行补偿指令;The line detection module is used to detect the head end voltage and the end voltage of the transmission line. The voltage information is transmitted to the preprocessing circuit through the detection transmission circuit, and then transmitted to the comparator after being processed by the preprocessing circuit. The comparator compares the end voltage with the The set voltage value is compared, and the end voltage is compared with the head end voltage to determine the difference. If the end voltage is less than the set value, it proves that the current state is in a low voltage state. The station processing circuit feeds back the current low voltage state to the monitoring server, and the monitoring server requests an operation ticket from the dispatching server. When the operation ticket fed back by the dispatching server is transmitted to the substation processing circuit, the substation processing circuit controls the power compensation according to the instruction of the operation ticket The device executes the compensation command;
当首端电压和末端电压只差在设定范围之内,则证明传输线路正常,如果此时末端电压小于设定值,则分站处理电路获取设备电压信息,根据设备的电压及电流信息综合判断低电压状态的原因;如果末端电压和首端电压的差值大于设定值,则证明在传输线路上存在故障,比如导电异物的存在导致线路压降增大等,分站处理电路生成报警信息,并且根据操作票指令指导巡线工作人员工作,排除故障。When the difference between the head end voltage and the end voltage is only within the set range, it proves that the transmission line is normal. If the end voltage is less than the set value at this time, the substation processing circuit obtains the equipment voltage information, and synthesizes it according to the equipment voltage and current information. Determine the cause of the low voltage state; if the difference between the end voltage and the head end voltage is greater than the set value, it proves that there is a fault on the transmission line, such as the presence of conductive foreign matter that causes the line voltage drop to increase, etc., and the substation processing circuit generates an alarm message , and guide the line patrol staff to work according to the instruction of the operation ticket, and troubleshoot.
最后说明的是,以上实施例仅用以说明本实用新型的技术方案而非限制,尽管参照较佳实施例对本实用新型进行了详细说明,本领域的普通技术人员应当理解,可以对本实用新型的技术方案进行修改或者等同替换,而不脱离本实用新型技术方案的宗旨和范围,其均应涵盖在本实用新型的权利要求范围当中。Finally, it is noted that the above embodiments are only used to illustrate the technical solutions of the present utility model without limitation. Although the utility model has been described in detail with reference to the preferred embodiments, those of ordinary skill in the art should understand that the utility model can be Modifications or equivalent replacements of the technical solutions without departing from the purpose and scope of the technical solutions of the utility model shall be covered by the claims of the utility model.
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
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CN105826920A (en) * | 2016-05-05 | 2016-08-03 | 国网安徽省电力公司芜湖供电公司 | Method for managing power supply line nodes |
CN107621593A (en) * | 2017-10-16 | 2018-01-23 | 云南电网有限责任公司电力科学研究院 | A low voltage early warning method and device based on time series |
CN109769034A (en) * | 2019-03-12 | 2019-05-17 | 福建工程学院 | IoT device to monitor transformer health |
CN111077391A (en) * | 2019-12-20 | 2020-04-28 | 中国能源建设集团江苏省电力设计院有限公司 | A real-time monitoring system for GIL lines |
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
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CN105826920A (en) * | 2016-05-05 | 2016-08-03 | 国网安徽省电力公司芜湖供电公司 | Method for managing power supply line nodes |
CN105826920B (en) * | 2016-05-05 | 2019-03-15 | 国网安徽省电力公司芜湖供电公司 | The management method of power supply line's node |
CN107621593A (en) * | 2017-10-16 | 2018-01-23 | 云南电网有限责任公司电力科学研究院 | A low voltage early warning method and device based on time series |
CN109769034A (en) * | 2019-03-12 | 2019-05-17 | 福建工程学院 | IoT device to monitor transformer health |
CN111077391A (en) * | 2019-12-20 | 2020-04-28 | 中国能源建设集团江苏省电力设计院有限公司 | A real-time monitoring system for GIL lines |
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