WO2020192220A1 - Gis driven by only motors - Google Patents

Gis driven by only motors Download PDF

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Publication number
WO2020192220A1
WO2020192220A1 PCT/CN2019/129438 CN2019129438W WO2020192220A1 WO 2020192220 A1 WO2020192220 A1 WO 2020192220A1 CN 2019129438 W CN2019129438 W CN 2019129438W WO 2020192220 A1 WO2020192220 A1 WO 2020192220A1
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WO
WIPO (PCT)
Prior art keywords
servo motor
switch
module
circuit breaker
gis
Prior art date
Application number
PCT/CN2019/129438
Other languages
French (fr)
Chinese (zh)
Inventor
高群伟
李少华
张文涛
宋亚凯
张一茗
李得祥
管敏渊
许侃
归宇
彭斌
陈晓丽
Original Assignee
平高集团有限公司
国家电网有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 平高集团有限公司, 国家电网有限公司 filed Critical 平高集团有限公司
Publication of WO2020192220A1 publication Critical patent/WO2020192220A1/en

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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H3/00Mechanisms for operating contacts
    • H01H3/22Power arrangements internal to the switch for operating the driving mechanism
    • H01H3/26Power arrangements internal to the switch for operating the driving mechanism using dynamo-electric motor
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02BBOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B13/00Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle
    • H02B13/02Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle with metal casing
    • H02B13/035Gas-insulated switchgear
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02BBOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B13/00Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle
    • H02B13/02Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle with metal casing
    • H02B13/035Gas-insulated switchgear
    • H02B13/0356Mounting of monitoring devices, e.g. current transformers
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02BBOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B13/00Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle
    • H02B13/02Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle with metal casing
    • H02B13/035Gas-insulated switchgear
    • H02B13/055Features relating to the gas
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02BBOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B13/00Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle
    • H02B13/02Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle with metal casing
    • H02B13/035Gas-insulated switchgear
    • H02B13/065Means for detecting or reacting to mechanical or electrical defects

Definitions

  • This application belongs to the technical field of switchgear, and specifically relates to a fully motor-driven gas insulated switchgear (GIS, GAS insulated SWITCHGEAR) switchgear.
  • GIS gas insulated switchgear
  • SWITCHGEAR fully motor-driven gas insulated switchgear
  • GIS switchgear At present, in the development of GIS switchgear, only computer technology, sensor technology, electromagnetic compatibility technology, data processing and communication technology are applied to GIS switchgear to realize the measurement and control of the peripherals of the device.
  • the development of GIS switchgear itself is very few. .
  • the switching devices in the existing GIS switchgear are usually driven by conventional operating mechanisms. Due to the characteristics of the operating mechanism, the operating mechanism has many parts and complex transmission links. , Sensor deployment is difficult. Therefore, limited by the existing operating mechanism, most of the existing GIS switchgears generally have the following problems: the internal circuit breaker, isolating switch and grounding switch corresponding to the operating mechanism have many parts, the structure is relatively complex, and the failure rate It is relatively high, and the transmission link is complicated, and sensor deployment is difficult. Moreover, the key mechanical state parameters in the GIS switchgear can only be measured during the opening and closing operations, and it is difficult to achieve more accurate state evaluation. In addition, the state monitoring and evaluation do not participate in the control, and the problems of poor controllability are more prominent. As a result, the development of existing GIS switchgear technology is restricted to a certain extent.
  • the purpose of the embodiments of this application is to provide an all-motor-driven GIS switchgear, which is used to solve the problem that the parts of the operating mechanism corresponding to the circuit breaker, isolating switch, and grounding switch in the existing GIS switchgear cause problems in the GIS switchgear.
  • the structure is more complicated and the failure rate is relatively high.
  • an embodiment of the present application proposes an all-motor-driven GIS switchgear, which includes a GIS body and a monitoring device.
  • the GIS body includes a circuit breaker part, an isolating switch part and a grounding switch part.
  • the circuit breaker part It includes a circuit breaker and a servo motor module configured to control the opening and closing of the circuit breaker.
  • the isolating switch part includes an isolating switch and a servo motor module configured to control the opening and closing of the isolating switch.
  • the grounding switch part includes a grounding switch and A servo motor module configured to control the opening and closing of the grounding switch is provided;
  • the monitoring device is respectively connected with the servo motor module of the circuit breaker, the servo motor module of the isolation switch and the servo motor module of the grounding switch to control the opening and closing operations of the circuit breaker, the isolation switch and the grounding switch.
  • the GIS switchgear of the embodiment of the application corresponds to the circuit breaker, the isolation switch, and the grounding switch respectively.
  • the servo motor module of the circuit breaker, the servo motor module of the isolation switch, and the servo motor module of the grounding switch are respectively provided, and the corresponding servo motor is controlled by the monitoring device
  • the servo motor in the module directly drives the opening and closing of the circuit breaker, isolating switch, and grounding switch.
  • the GIS switchgear of the embodiment of the application has a simple structure, and compared with the operating mechanism corresponding to the circuit breaker, isolating switch and grounding switch in the existing GIS switchgear, the GIS switchgear of the embodiment of the application only has a servo motor module, which reduces The components and transmission links in the existing operating mechanism, such as energy storage structure, transmission link, gears, etc., reduce the volume and weight of the equipment, and reduce the failure rate of GIS switch equipment.
  • the servo motor module of the circuit breaker includes a circuit breaker state configured to detect the opening and closing positions and action characteristics of the circuit breaker Detection module
  • the servo motor module of the isolating switch includes an isolating switch state detection module configured to detect the opening and closing positions and action characteristics of the isolating switch
  • the servo motor module of the grounding switch includes a module configured to detect the opening and closing of the ground switch Position and action characteristics of the grounding switch state detection module
  • the monitoring device is respectively connected with the circuit breaker state detection module, the isolation switch state detection module and the grounding switch state detection module to sample the circuit breaker, the isolation switch and the grounding switch Opening and closing position information and action characteristic information.
  • the first switching characteristic curve detection device is integrated in the servo motor of the servo motor module of the circuit breaker, and the second switching characteristic curve detection device is integrated in the servo motor of the servo motor module of the isolation switch, The third switching characteristic curve detection device is integrated in the servo motor of the servo motor module of the grounding switch.
  • the monitoring device determines the action characteristics of the circuit breaker and the opening and closing positions of the circuit breaker according to the action characteristic curve sent by the first switching characteristic curve detection device, and determines the action of the isolating switch according to the action characteristic curve sent by the second switching action characteristic curve detection device Characteristics and the opening and closing positions of the isolating switch, as well as the operation characteristic curve sent by the third switching characteristic curve detection device to determine the action characteristics of the grounding switch and the opening and closing positions of the grounding switch.
  • the first switching characteristic curve detection device is integrated in the servo motor in the servo motor module of the circuit breaker, and the second switching characteristic curve detection device is integrated in the servo motor module of the isolating switch.
  • the third switching characteristic curve detection device is integrated in the servo motor in the servo motor module of the grounding switch.
  • the monitoring device is integrated with a main control module, a state monitoring intelligent electronic device and a servo motor drive module, and the main control module is respectively connected to the state monitoring intelligent electronic device and the servo motor drive module.
  • the state monitoring intelligent electronic device realizes the monitoring of the opening and closing position information and the action characteristic information of the circuit breaker, the isolating switch and the grounding switch
  • the servo motor drive module is configured to monitor the servo motor in the servo motor of the circuit breaker
  • the servo motor in the servo motor of the isolating switch and the servo motor in the servo motor of the grounding switch are driven to realize the opening and closing operations of the circuit breaker, the isolating switch and the grounding switch.
  • the monitoring device also integrates an energy storage array and an isolation transformer corresponding to the servo motor drive module.
  • the GIS body further includes a partial discharge detection module connected to the monitoring device and configured to output the detected data information to the state monitoring intelligent electronic device to realize partial discharge monitoring.
  • the GIS body further includes an insulating gas detection module connected to the monitoring device and configured to output the detected data information to the state monitoring intelligent electronic device to realize the monitoring of the insulating gas.
  • the monitoring device also includes a communication module configured to communicate with external measurement and control equipment.
  • the monitoring device is also configured to receive monitoring information including the insulating gas status sent by the insulating gas detection module in the GIS body and the partial discharge status sent by the partial discharge detection module, and monitor and evaluate the reliability of the equipment according to the monitoring information.
  • the GIS switchgear includes a main body and a monitoring device.
  • the GIS main body includes three parts: a circuit breaker part, an isolating switch part, and a grounding switch part, all of which are provided with their respective servo motor modules.
  • the control of the servo motor module can realize the opening and closing operations of the circuit breaker, isolating switch and grounding switch. This realizes the function of GIS switchgear control opening and closing.
  • the three major parts of the GIS body can realize the function of opening and closing with their respective servo motor modules. There are fewer parts and components for these three major parts, which solves the internal open circuit of the existing GIS switch equipment.
  • the parts of the operating mechanism corresponding to the GIS switchgear, isolating switch and grounding switch are more complicated and the failure rate of GIS switchgear is relatively high.
  • the GIS switchgear of the embodiment of the present application has a simple structure, and compared to the operating mechanism corresponding to the circuit breaker, isolating switch and grounding switch inside the existing GIS switchgear, the GIS switchgear of the embodiment of the present application only has a servo motor module , Reducing the parts and transmission links in the existing operating mechanism, such as energy storage structure, transmission connecting rod, gears, etc., reduces the volume and weight of the equipment, and reduces the failure rate of GIS switch equipment.
  • FIG. 1 is a schematic diagram of the GIS switchgear architecture of an embodiment of the present application.
  • FIG. 2 is a schematic diagram of the integrated design of the servo motor module and the GIS ontology according to an embodiment of the present application;
  • the GIS switchgear includes a GIS body and a monitoring device.
  • the GIS body includes a circuit breaker part, an isolating switch part and a grounding switch part, and also includes a partial discharge detection module And insulating gas detection module (corresponding to the partial discharge sensor and gas state sensor in Figure 1 respectively).
  • the circuit breaker part includes circuit breaker, circuit breaker servo motor module (including servo motor and circuit breaker status detection module), the servo motor in the circuit breaker servo motor module directly drives the arm in the arc extinguishing chamber of the circuit breaker to drive the circuit breaker
  • the moving contact of the circuit breaker moves to realize the opening and closing of the circuit breaker directly driven by the circuit breaker servo motor.
  • the circuit breaker state detection module is configured to detect the action characteristics of the circuit breaker and the opening and closing positions.
  • the isolation switch part includes isolation switch, isolation switch motor servo motor module (including servo motor and isolation switch status detection module), isolation switch motor servo motor directly drives the movable contact connecting rod connected to the isolation switch to drive the movable contact of the isolation switch Action to realize the opening and closing of the isolating switch directly driven by the isolating switch servo motor.
  • isolation switch state detection module is configured to detect isolation action characteristics and switch opening and closing positions.
  • the grounding switch part includes grounding switch, grounding switch servo motor module (including servo motor and grounding switch status detection module).
  • the grounding switch servo motor directly drives the moving contact connecting rod connected to the grounding switch to drive the moving contact of the grounding switch to act. Realize the opening and closing of the earthing switch directly driven by the earthing switch servo motor.
  • the above grounding switch status detection module is configured to detect the action characteristics of the grounding switch and the opening and closing positions.
  • the above-mentioned servo motor modules are integrated with the GIS body.
  • the servo motor module 3 adopts a direct plug-in method and the GIS body 1 Direct connection, which directly drives the arm of the corresponding switch or knife switch movable contact, reducing the energy storage structure, transmission connecting rod, gear, auxiliary switch and other transmission components in the operating mechanism 2 in the prior art.
  • the monitoring device is respectively connected with the circuit breaker servo motor, the isolating switch servo motor and the grounding switch servo motor to control the circuit breaker, the isolating switch and the grounding switch for opening and closing operations.
  • the monitoring device is respectively connected with the circuit breaker state detection module, the isolation switch state detection module and the grounding switch state detection module to sample the opening and closing time, speed, stroke and other action characteristics information of the circuit breaker, isolation switch and grounding switch, and Opening and closing position information.
  • the three major parts of the GIS body can realize the opening and closing functions when their respective servo motor modules are provided. It can be seen that there are fewer parts and components provided for these three major parts in the embodiment of the present application. Many parts of the operating mechanism corresponding to the circuit breaker, isolating switch and grounding switch in the existing GIS switchgear cause the problems of complex structure and high failure rate of the GIS switchgear. In addition, the control of each servo motor module by the monitoring device can realize the opening and closing operations of the circuit breaker, the isolating switch and the grounding switch, thereby realizing the control opening and closing function of the GIS switchgear.
  • the circuit breaker, isolating switch, and grounding switch in Figure 1 are directly driven by the servo motor in the corresponding servo motor module.
  • the servo motor module is directly connected to the monitoring device, and receives the control action command to monitor the device, through the status detection module in the servo motor module Upload the opening and closing time and speed, travel characteristics of the circuit breaker, isolating switch and grounding switch, as well as the opening and closing position information.
  • the monitoring device is integrated with a main control module, a state monitoring intelligent electronic device, and a servo motor drive module.
  • the main control module is respectively connected with the state monitoring intelligent electronic device and the servo motor drive module, and the state monitoring intelligent electronic device is connected to the circuit breaker.
  • the corresponding status monitoring modules in the servo motor module of the isolator, isolating switch and grounding switch are connected to realize the monitoring of the opening and closing time, speed, stroke and other action characteristics of the circuit breaker, isolating switch and grounding switch, and the opening and closing position information.
  • the servo motor drive module is configured to drive the servo motor of the circuit breaker servo motor module, the servo motor of the isolating switch servo motor module, and the servo motor of the earthing switch servo motor module to realize the separation of the circuit breaker, isolating switch and earthing switch. Closing operation.
  • the partial discharge detection module is connected to the state monitoring intelligent electronic equipment of the monitoring device, and is configured to output the detected data information to the state monitoring intelligent electronic equipment, so as to realize the monitoring of the partial discharge.
  • the above-mentioned insulating gas detection module is connected to the state monitoring intelligent electronic device of the monitoring device, and is configured to output the detected data information to the state monitoring intelligent electronic device to realize the monitoring of the insulating gas.
  • the circuit breaker state detection module in this embodiment is the first switching characteristic curve detection device for detecting the characteristic curve of the circuit breaker, and is configured to detect characteristic information such as opening and closing time, speed, and stroke of the circuit breaker.
  • the state detection module is the second switch action characteristic curve detection device used to detect the action characteristic curve of the isolating switch. It is configured to detect the opening and closing time, speed, stroke and other characteristic information of the isolating switch.
  • the grounding switch state detection module is used to detect
  • the third switch action characteristic curve detection device of the grounding switch action characteristic curve is configured to detect characteristic information such as opening and closing time, speed, and stroke of the grounding switch.
  • the state monitoring intelligent electronic equipment in the monitoring device determines the opening and closing positions of the circuit breaker according to the action characteristic curve sent by the first switching characteristic curve detection device, and determines the disconnection switch position according to the action characteristic curve sent by the second switching action characteristic curve detection device. , Closing position, and determining the opening and closing positions of the grounding switch according to the action characteristic curve sent by the third switch action characteristic curve detection device.
  • the first switching characteristic curve detection device is integrated in the servo motor module of the circuit breaker
  • the second switching characteristic curve detection device is integrated in the servo motor module of the isolating switch
  • the third switching characteristic curve detection device is integrated in In the servo motor module of the grounding switch.
  • the monitoring device also includes a communication module, which is configured to communicate with external measurement and control equipment, such as a substation background measurement and control device and protection device.
  • external measurement and control equipment such as a substation background measurement and control device and protection device.
  • the monitoring device is also integrated with the energy storage array and isolation transformer corresponding to the servo motor drive module, and the monitoring device is arranged in the GIS intelligent component cabinet.
  • the servo motor that controls the opening and closing of the circuit breaker, isolating switch, and grounding switch in this embodiment is directly connected to the corresponding moving contact connecting rod to drive the moving contact to move, and is controlled by the main control module of the monitoring device, and receives in real time Control commands for opening and closing.
  • the action characteristics and position status of the corresponding servo motor are directly uploaded to the state monitoring intelligent electronic equipment of the monitoring device.
  • Each motor drive operating mechanism in this embodiment actually only retains one servo motor module, which is compared with the operation in the prior art.
  • the servo motor module of the embodiment of the application reduces the energy storage structure, transmission connecting rod, gear, auxiliary switch and other parts of the traditional operating mechanism.
  • Each servo motor module only retains the power line and control line, and the data communication of the detection device It reduces the connection between the existing operating mechanism and the intelligent component cabinet, which is conducive to the standardization of the interface and facilitates operation, maintenance and management.
  • the embodiment of the application does not need to design an auxiliary switch, and the monitoring device directly calculates the opening and closing positions of the circuit breaker, isolating switch, and grounding switch according to the action characteristic curve uploaded by the status monitoring module in the servo motor module, and uploads them with digital signals To the background measurement and control device, greatly reducing the wiring between equipment.
  • the embodiment of the application uses a servo motor to directly drive the switchgear (circuit breaker, isolating switch and grounding switch), reducing the volume and weight of the operating mechanism, and enhancing the market competitiveness of the device; and centrally arranging the main control module and status monitoring Intelligent electronic equipment, servo motor drive modules and their corresponding energy storage arrays and isolation transformers facilitate operation, maintenance and management.
  • switchgear circuit breaker, isolating switch and grounding switch
  • the embodiment of the application can accurately control the intelligent GIS switchgear through the servo motor, monitor the switch action characteristic curve in real time, and evaluate the switchgear action characteristic, and can also receive the state monitoring of the partial discharge detection module and the insulating gas detection module Information, and the calculation and processing of monitoring data, to achieve comprehensive monitoring and evaluation of the status of GIS switchgear, to meet the development needs of future smart grids, and has a good market prospect.
  • the energy storage array, isolation booster converter, auxiliary control loop, etc. are arranged in the intelligent component cabinet, and the power system and auxiliary system of the intelligent component cabinet are integrated and designed to adapt to the rapid intelligentization of primary equipment in smart substations. Develop and meet the technical characteristics of future substation equipment "integrated intelligent equipment”.
  • the main control module can use multiple CPUs to interact, such as a servo controller and an intelligent terminal, and the servo controller is connected to the state monitoring intelligent electronic device. It is connected with the servo motor drive module, configured to evaluate the monitoring situation of the state monitoring intelligent electronic equipment according to the intelligent terminal or upper network command, and realize the control of each servo motor drive module; the intelligent terminal is configured to realize the switch value and Analog quantity acquisition function, switch quantity output function and receiving protection trip and closing commands and other functions. Therefore, for those skilled in the art, the embodiments of the present application may have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the embodiments of the present application shall be included in the scope of the claims of the embodiments of the present application.
  • the three major parts of the GIS body of the GIS switch device can realize the function of opening and closing when the respective servo motor modules are provided.
  • These three major parts are equipped with fewer parts, which solves the problem of the existing GIS switchgear internal circuit breaker, isolating switch and grounding switch corresponding to the operating mechanism of the parts, resulting in more complicated structure and failure rate of the GIS switchgear Relatively high problem.
  • the control of each servo motor module by the monitoring device can realize the opening and closing operations of the circuit breaker, the isolating switch and the grounding switch, and the function of controlling the opening and closing of the GIS switchgear.
  • the GIS switchgear of the embodiment of the present application has a simple structure, and compared to the operating mechanism corresponding to the circuit breaker, isolating switch and grounding switch inside the existing GIS switchgear, the GIS switchgear of the embodiment of the present application only has a servo motor module , Reducing the parts and transmission links in the existing operating mechanism, such as energy storage structure, transmission connecting rod, gears, etc., reduces the volume and weight of the equipment, and reduces the failure rate of GIS switch equipment.

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Gas-Insulated Switchgears (AREA)

Abstract

A GIS driven by only motors, comprising a GIS body and a monitoring device. The GIS body comprises a circuit breaker portion, an isolating switch portion, and a grounding switch portion. The circuit breaker portion comprises a circuit breaker and a servo motor module configured to control the opening and closing of the circuit breaker. The isolating switch portion comprises an isolating switch and a servo motor module configured to control the opening and closing of the isolating switch. The grounding switch portion comprises a grounding switch and a servo motor module configured to control the opening and closing of the grounding switch. The size and weight of the switchgear are reduced. The monitoring device is connected to the circuit breaker servo motor module, the isolating switch servo motor module, and the grounding switch servo motor module to control the circuit breaker, the isolating switch, and the grounding switch to perform opening and closing operations.

Description

一种全电机驱动的GIS开关设备A Kind of GIS Switch Equipment Driven by All Motor
相关申请的交叉引用Cross references to related applications
本申请基于申请号为201910233983.6、申请日为2019年03月26日的中国专利申请提出,并要求该中国专利申请的优先权,该中国专利申请的内容在此以引入方式并入本申请。This application is filed based on a Chinese patent application with an application number of 201910233983.6 and an application date of March 26, 2019, and claims the priority of the Chinese patent application. The content of the Chinese patent application is hereby incorporated into this application by way of introduction.
技术领域Technical field
本申请属于开关设备技术领域,具体涉及一种全电机驱动的气体绝缘全封闭组合电器(GIS,GAS insulated SWITCHGEAR)开关设备。This application belongs to the technical field of switchgear, and specifically relates to a fully motor-driven gas insulated switchgear (GIS, GAS insulated SWITCHGEAR) switchgear.
背景技术Background technique
目前,在GIS开关设备开发方面,只是把计算机技术、传感器技术、电磁兼容技术、数据处理与通信技术应用到GIS开关设备上,实现设备***的测量与控制,GIS开关设备本身的开发却很少。At present, in the development of GIS switchgear, only computer technology, sensor technology, electromagnetic compatibility technology, data processing and communication technology are applied to GIS switchgear to realize the measurement and control of the peripherals of the device. The development of GIS switchgear itself is very few. .
现有的GIS开关设备中的开关器件,比如断路器、隔离开关和接地开关通常采用常规的操动机构进行驱动,由于操动机构的本身特性原因,操动机构的零部件多,传动环节复杂,传感器部署困难。因此,受现有的操动机构的限制,现有大部分GIS开关设备普遍存在以下问题:内部的断路器、隔离开关和接地开关对应的操动机构的零部件多,结构比较复杂,故障率比较高,而且传动环节复杂,传感器部署困难。而且,GIS开关设备中的关键机械状态参量只能在分、合闸操作过程中测量,难以实现较精确的状态评估,而且状态监测和评估不参与控制,可控性较差等问题比较突出,导致现有GIS开关设备技术发展受到一定程度的制约。The switching devices in the existing GIS switchgear, such as circuit breakers, isolating switches and grounding switches, are usually driven by conventional operating mechanisms. Due to the characteristics of the operating mechanism, the operating mechanism has many parts and complex transmission links. , Sensor deployment is difficult. Therefore, limited by the existing operating mechanism, most of the existing GIS switchgears generally have the following problems: the internal circuit breaker, isolating switch and grounding switch corresponding to the operating mechanism have many parts, the structure is relatively complex, and the failure rate It is relatively high, and the transmission link is complicated, and sensor deployment is difficult. Moreover, the key mechanical state parameters in the GIS switchgear can only be measured during the opening and closing operations, and it is difficult to achieve more accurate state evaluation. In addition, the state monitoring and evaluation do not participate in the control, and the problems of poor controllability are more prominent. As a result, the development of existing GIS switchgear technology is restricted to a certain extent.
发明内容Summary of the invention
本申请实施例的目的是提供一种全电机驱动的GIS开关设备,用于解决现有GIS开关设备内部的断路器、隔离开关和接地开关对应的操动机构的零部件多造成GIS开关设备的结构比较复杂以及故障率比较高的问题。The purpose of the embodiments of this application is to provide an all-motor-driven GIS switchgear, which is used to solve the problem that the parts of the operating mechanism corresponding to the circuit breaker, isolating switch, and grounding switch in the existing GIS switchgear cause problems in the GIS switchgear. The structure is more complicated and the failure rate is relatively high.
为解决上述技术问题,本申请实施例提出一种全电机驱动的GIS开关设备,包括GIS本体以及监控装置,所述GIS本体包括断路器部分、隔离开关部分和接地开关部分,所述断路器部分包括断路器以及设置有配置为控制断路器分、合闸的伺服电机模块,隔离开关部分包括隔离开关以及设置有配置为控制隔离开关分、合闸的伺服电机模块,接地开关部分包括接地开关以及设置有配置为控制接地开关分、合闸的伺服电机模块;In order to solve the above technical problems, an embodiment of the present application proposes an all-motor-driven GIS switchgear, which includes a GIS body and a monitoring device. The GIS body includes a circuit breaker part, an isolating switch part and a grounding switch part. The circuit breaker part It includes a circuit breaker and a servo motor module configured to control the opening and closing of the circuit breaker. The isolating switch part includes an isolating switch and a servo motor module configured to control the opening and closing of the isolating switch. The grounding switch part includes a grounding switch and A servo motor module configured to control the opening and closing of the grounding switch is provided;
所述监控装置分别与断路器的伺服电机模块、隔离开关的伺服电机模块和接地开关的伺服电机模块相连接,以控制断路器、隔离开关和接地开关进行分、合闸操作。The monitoring device is respectively connected with the servo motor module of the circuit breaker, the servo motor module of the isolation switch and the servo motor module of the grounding switch to control the opening and closing operations of the circuit breaker, the isolation switch and the grounding switch.
本申请实施例的GIS开关设备,对应断路器、隔离开关、接地开关分别设置了断路器的伺服电机模块、隔离开关的伺服电机模块、接地开关的伺服电机模块,并由监控装置控制相应伺服电机模块中的伺服电机直接驱动断路器、隔离开关、接地开关的分、合闸。本申请实施例的GIS开关设备的结构简单,且相对于现有GIS开关设备内部的断路器、隔离开关和接地开关对应的操动机构,本申请实施例的GIS开关设备只有伺服电机模块,减少了现有操动机构内的零部件和传动环节,如储能结构、传动连杆、齿轮等部分,减小了设备体积和重量的同时,降低了GIS开关设备的故障率。The GIS switchgear of the embodiment of the application corresponds to the circuit breaker, the isolation switch, and the grounding switch respectively. The servo motor module of the circuit breaker, the servo motor module of the isolation switch, and the servo motor module of the grounding switch are respectively provided, and the corresponding servo motor is controlled by the monitoring device The servo motor in the module directly drives the opening and closing of the circuit breaker, isolating switch, and grounding switch. The GIS switchgear of the embodiment of the application has a simple structure, and compared with the operating mechanism corresponding to the circuit breaker, isolating switch and grounding switch in the existing GIS switchgear, the GIS switchgear of the embodiment of the application only has a servo motor module, which reduces The components and transmission links in the existing operating mechanism, such as energy storage structure, transmission link, gears, etc., reduce the volume and weight of the equipment, and reduce the failure rate of GIS switch equipment.
为能够实时监测断路器、隔离开关和接地开关的分、合闸位置信息及动作特性信息,所述断路器的伺服电机模块包括配置为检测断路器分、合闸位置及动作特性的断路器状态检测模块,所述隔离开关的伺服电机模块包括配置为检测隔离开关分、合闸位置及动作特性的隔离开关状态检测模 块,所述接地开关的伺服电机模块包括配置为检测接地开关分、合闸位置及动作特性的接地开关状态检测模块,所述监控装置分别与所述断路器状态检测模块、隔离开关状态检测模块和接地开关状态检测模块相连接,以采样断路器、隔离开关和接地开关的分、合闸位置信息及动作特性信息。In order to be able to monitor the opening and closing position information and action characteristic information of the circuit breaker, isolating switch and grounding switch in real time, the servo motor module of the circuit breaker includes a circuit breaker state configured to detect the opening and closing positions and action characteristics of the circuit breaker Detection module, the servo motor module of the isolating switch includes an isolating switch state detection module configured to detect the opening and closing positions and action characteristics of the isolating switch, and the servo motor module of the grounding switch includes a module configured to detect the opening and closing of the ground switch Position and action characteristics of the grounding switch state detection module, the monitoring device is respectively connected with the circuit breaker state detection module, the isolation switch state detection module and the grounding switch state detection module to sample the circuit breaker, the isolation switch and the grounding switch Opening and closing position information and action characteristic information.
前述方案中,所述第一开关动作特性曲线检测器件集成在断路器的伺服电机模块的伺服电机中,所述第二开关动作特性曲线检测器件集成在隔离开关的伺服电机模块的伺服电机中,所述第三开关动作特性曲线检测器件集成在接地开关的伺服电机模块的伺服电机中。In the foregoing solution, the first switching characteristic curve detection device is integrated in the servo motor of the servo motor module of the circuit breaker, and the second switching characteristic curve detection device is integrated in the servo motor of the servo motor module of the isolation switch, The third switching characteristic curve detection device is integrated in the servo motor of the servo motor module of the grounding switch.
监控装置根据第一开关动作特性曲线检测器件发送的动作特性曲线确定断路器的动作特性及断路器分、合闸位置,根据第二开关动作特性曲线检测器件发送的动作特性曲线确定隔离开关的动作特性及隔离开关分、合闸位置,以及根据第三开关动作特性曲线检测器件发送的动作特性曲线确定接地开关的动作特性及接地开关分、合闸位置。The monitoring device determines the action characteristics of the circuit breaker and the opening and closing positions of the circuit breaker according to the action characteristic curve sent by the first switching characteristic curve detection device, and determines the action of the isolating switch according to the action characteristic curve sent by the second switching action characteristic curve detection device Characteristics and the opening and closing positions of the isolating switch, as well as the operation characteristic curve sent by the third switching characteristic curve detection device to determine the action characteristics of the grounding switch and the opening and closing positions of the grounding switch.
为减小设备体积,所述第一开关动作特性曲线检测器件集成在断路器的伺服电机模块中的伺服电机中,所述第二开关动作特性曲线检测器件集成在隔离开关的伺服电机模块中的伺服电机中,所述第三开关动作特性曲线检测器件集成在接地开关的伺服电机模块中的伺服电机中。In order to reduce the volume of the equipment, the first switching characteristic curve detection device is integrated in the servo motor in the servo motor module of the circuit breaker, and the second switching characteristic curve detection device is integrated in the servo motor module of the isolating switch. In the servo motor, the third switching characteristic curve detection device is integrated in the servo motor in the servo motor module of the grounding switch.
为保证减少硬件成本,所述监控装置内一体化集成有主控模块、状态监测智能电子设备和伺服电机驱动模块,所述主控模块分别与所述状态监测智能电子设备和伺服电机驱动模块相连接,所述状态监测智能电子设备实现断路器、隔离开关和接地开关的分、合闸位置信息及动作特性信息的监测,所述伺服电机驱动模块配置为对断路器的伺服电机中的伺服电机、隔离开关的伺服电机中的伺服电机和接地开关的伺服电机中的伺服电机进行驱动,以实现断路器、隔离开关和接地开关的分、合闸操作。另外,所述监控装置内还集成有与伺服电机驱动模块对应的储能阵列和隔离变压 器。In order to ensure the reduction of hardware costs, the monitoring device is integrated with a main control module, a state monitoring intelligent electronic device and a servo motor drive module, and the main control module is respectively connected to the state monitoring intelligent electronic device and the servo motor drive module. Connected, the state monitoring intelligent electronic device realizes the monitoring of the opening and closing position information and the action characteristic information of the circuit breaker, the isolating switch and the grounding switch, and the servo motor drive module is configured to monitor the servo motor in the servo motor of the circuit breaker The servo motor in the servo motor of the isolating switch and the servo motor in the servo motor of the grounding switch are driven to realize the opening and closing operations of the circuit breaker, the isolating switch and the grounding switch. In addition, the monitoring device also integrates an energy storage array and an isolation transformer corresponding to the servo motor drive module.
前述方案中,所述GIS本体还包括局部放电检测模块,所述局部放电检测模块连接所述监控装置,配置为将检测得到的数据信息输出至状态监测智能电子设备,以实现局部放电的监测。In the foregoing solution, the GIS body further includes a partial discharge detection module connected to the monitoring device and configured to output the detected data information to the state monitoring intelligent electronic device to realize partial discharge monitoring.
前述方案中,所述GIS本体还包括绝缘气体检测模块,所述绝缘气体检测模块连接所述监控装置,配置为将检测得到的数据信息输出至状态监测智能电子设备,以实现绝缘气体的监测。In the foregoing solution, the GIS body further includes an insulating gas detection module connected to the monitoring device and configured to output the detected data information to the state monitoring intelligent electronic device to realize the monitoring of the insulating gas.
监控装置还包括有通信模块,配置为与外部测控设备进行通信。The monitoring device also includes a communication module configured to communicate with external measurement and control equipment.
所述监控装置还配置为接收包括GIS本体中绝缘气体检测模块发送的绝缘气体状态、局部放电检测模块发送的局部放电状态的监测信息,根据所述监测信息对设备的可靠性进行监测和评估。The monitoring device is also configured to receive monitoring information including the insulating gas status sent by the insulating gas detection module in the GIS body and the partial discharge status sent by the partial discharge detection module, and monitor and evaluate the reliability of the equipment according to the monitoring information.
本申请实施例中,GIS开关设备包括本体和监控装置,其中GIS本体包括的三大部分:断路器部分、隔离开关部分和接地开关部分,均设置有各自的伺服电机模块,通过监控装置对各个伺服电机模块的控制可实现断路器、隔离开关和接地开关的分、合闸操作。由此实现GIS开关设备的控制分合闸的功能。其中,GIS本体的三大部分在设置有各自的伺服电机模块的情况下即可实现分合闸的功能,为这三大部分设置的零部件较少,解决了现有GIS开关设备内部的断路器、隔离开关和接地开关对应的操动机构的零部件多造成GIS开关设备的结构比较复杂以及故障率比较高的问题。In the embodiment of the application, the GIS switchgear includes a main body and a monitoring device. Among them, the GIS main body includes three parts: a circuit breaker part, an isolating switch part, and a grounding switch part, all of which are provided with their respective servo motor modules. The control of the servo motor module can realize the opening and closing operations of the circuit breaker, isolating switch and grounding switch. This realizes the function of GIS switchgear control opening and closing. Among them, the three major parts of the GIS body can realize the function of opening and closing with their respective servo motor modules. There are fewer parts and components for these three major parts, which solves the internal open circuit of the existing GIS switch equipment. The parts of the operating mechanism corresponding to the GIS switchgear, isolating switch and grounding switch are more complicated and the failure rate of GIS switchgear is relatively high.
此外,本申请实施例的GIS开关设备的结构简单,且相对于现有GIS开关设备内部的断路器、隔离开关和接地开关对应的操动机构,本申请实施例的GIS开关设备只有伺服电机模块,减少了现有操动机构内的零部件和传动环节,如储能结构、传动连杆、齿轮等部分,减小了设备体积和重量的同时,降低了GIS开关设备的故障率。In addition, the GIS switchgear of the embodiment of the present application has a simple structure, and compared to the operating mechanism corresponding to the circuit breaker, isolating switch and grounding switch inside the existing GIS switchgear, the GIS switchgear of the embodiment of the present application only has a servo motor module , Reducing the parts and transmission links in the existing operating mechanism, such as energy storage structure, transmission connecting rod, gears, etc., reduces the volume and weight of the equipment, and reduces the failure rate of GIS switch equipment.
附图说明Description of the drawings
图1是本申请实施例的GIS开关设备架构示意图;Figure 1 is a schematic diagram of the GIS switchgear architecture of an embodiment of the present application;
图2是本申请实施例的伺服电机模块与GIS本体集成设计示意图;2 is a schematic diagram of the integrated design of the servo motor module and the GIS ontology according to an embodiment of the present application;
标号说明如下:The label description is as follows:
1—GIS本体,2—现有技术中的操动机构,3—伺服电机模块。1—GIS body, 2—operating mechanism in the prior art, 3—servo motor module.
具体实施方式detailed description
下面结合附图对本申请实施例的具体实施方式作进一步的说明。The specific implementation of the embodiments of the present application will be further described below in conjunction with the drawings.
本实施例提出一种GIS开关设备,其架构如图1所示,该GIS开关设备包括GIS本体以及监控装置,GIS本体包括断路器部分、隔离开关部分和接地开关部分,还包括局部放电检测模块和绝缘气体检测模块(分别对应图1中的局部放电传感器和气体状态传感器)。其中,断路器部分包括断路器、断路器伺服电机模块(包含伺服电机和断路器状态检测模块),断路器伺服电机模块中的伺服电机直接驱动连接断路器灭弧室内的拐臂,以带动断路器的动触头动作,实现通过断路器伺服电机直接驱动断路器的分、合闸。该断路器状态检测模块配置为检测断路器动作特性及分、合闸位置。This embodiment proposes a GIS switchgear whose structure is shown in Figure 1. The GIS switchgear includes a GIS body and a monitoring device. The GIS body includes a circuit breaker part, an isolating switch part and a grounding switch part, and also includes a partial discharge detection module And insulating gas detection module (corresponding to the partial discharge sensor and gas state sensor in Figure 1 respectively). Among them, the circuit breaker part includes circuit breaker, circuit breaker servo motor module (including servo motor and circuit breaker status detection module), the servo motor in the circuit breaker servo motor module directly drives the arm in the arc extinguishing chamber of the circuit breaker to drive the circuit breaker The moving contact of the circuit breaker moves to realize the opening and closing of the circuit breaker directly driven by the circuit breaker servo motor. The circuit breaker state detection module is configured to detect the action characteristics of the circuit breaker and the opening and closing positions.
隔离开关部分包括隔离开关、隔离开关电机伺服电机模块(包括伺服电机和隔离开关状态检测模块),隔离开关电机伺服电机直接驱动连接隔离开关的动触头连杆,以带动隔离开关的动触头动作,实现通过隔离开关伺服电机直接驱动隔离开关的分、合闸。上述隔离开关状态检测模块配置为检测隔离动作特性及开关分、合闸位置。The isolation switch part includes isolation switch, isolation switch motor servo motor module (including servo motor and isolation switch status detection module), isolation switch motor servo motor directly drives the movable contact connecting rod connected to the isolation switch to drive the movable contact of the isolation switch Action to realize the opening and closing of the isolating switch directly driven by the isolating switch servo motor. The above-mentioned isolation switch state detection module is configured to detect isolation action characteristics and switch opening and closing positions.
接地开关部分包括接地开关、接地开关伺服电机模块(包括伺服电机和接地开关状态检测模块),接地开关伺服电机直接驱动连接接地开关的动触头连接杆,以带动接地开关的动触头动作,实现通过接地开关伺服电机直接驱动接地开关的分、合闸。以上接地开关状态检测模块配置为检测接 地开关动作特性及分、合闸位置。The grounding switch part includes grounding switch, grounding switch servo motor module (including servo motor and grounding switch status detection module). The grounding switch servo motor directly drives the moving contact connecting rod connected to the grounding switch to drive the moving contact of the grounding switch to act. Realize the opening and closing of the earthing switch directly driven by the earthing switch servo motor. The above grounding switch status detection module is configured to detect the action characteristics of the grounding switch and the opening and closing positions.
上述各伺服电机模块(即断路器伺服电机模块、隔离开关电机伺服电机模块、接地开关伺服电机模块)与GIS本体进行集成设计,如图2所示,伺服电机模块3采用直插方式与GIS本体1直连,直接驱动相应开关或刀闸动触头的拐臂,减少了现有技术中的操动机构2内的储能结构、传动连杆、齿轮、辅助开关等传动部件。The above-mentioned servo motor modules (ie, circuit breaker servo motor module, isolation switch motor servo motor module, grounding switch servo motor module) are integrated with the GIS body. As shown in Figure 2, the servo motor module 3 adopts a direct plug-in method and the GIS body 1 Direct connection, which directly drives the arm of the corresponding switch or knife switch movable contact, reducing the energy storage structure, transmission connecting rod, gear, auxiliary switch and other transmission components in the operating mechanism 2 in the prior art.
监控装置分别与断路器伺服电机、隔离开关伺服电机和接地开关伺服电机相连接,以控制断路器、隔离开关和接地开关进行分、合闸操作。监控装置分别与断路器状态检测模块、隔离开关状态检测模块和接地开关状态检测模块相连接,以采样断路器、隔离开关和接地开关的分、合闸时间及速度、行程等动作特性信息,和分、合闸位置信息。The monitoring device is respectively connected with the circuit breaker servo motor, the isolating switch servo motor and the grounding switch servo motor to control the circuit breaker, the isolating switch and the grounding switch for opening and closing operations. The monitoring device is respectively connected with the circuit breaker state detection module, the isolation switch state detection module and the grounding switch state detection module to sample the opening and closing time, speed, stroke and other action characteristics information of the circuit breaker, isolation switch and grounding switch, and Opening and closing position information.
由前述方案可知,GIS本体的三大部分在设置有各自的伺服电机模块的情况下即可实现分合闸的功能,可见本申请实施例中为这三大部分设置的零部件较少,解决了现有GIS开关设备内部的断路器、隔离开关和接地开关对应的操动机构的零部件多造成GIS开关设备的结构比较复杂以及故障率比较高的问题。此外,通过监控装置对各个伺服电机模块的控制可实现断路器、隔离开关和接地开关的分、合闸操作,进而实现了GIS开关设备的控制分合闸的功能。It can be seen from the foregoing solution that the three major parts of the GIS body can realize the opening and closing functions when their respective servo motor modules are provided. It can be seen that there are fewer parts and components provided for these three major parts in the embodiment of the present application. Many parts of the operating mechanism corresponding to the circuit breaker, isolating switch and grounding switch in the existing GIS switchgear cause the problems of complex structure and high failure rate of the GIS switchgear. In addition, the control of each servo motor module by the monitoring device can realize the opening and closing operations of the circuit breaker, the isolating switch and the grounding switch, thereby realizing the control opening and closing function of the GIS switchgear.
图1中的断路器、隔离开关、接地开关直接由相应伺服电机模块中伺服电机驱动,伺服电机模块直接连接监控装置,并接收来监控装置的控制动作指令,通过伺服电机模块中的状态检测模块上传断路器、隔离开关和接地开关的分、合闸时间和速度、行程等动作特性信息,以及分、合闸位置信息。The circuit breaker, isolating switch, and grounding switch in Figure 1 are directly driven by the servo motor in the corresponding servo motor module. The servo motor module is directly connected to the monitoring device, and receives the control action command to monitor the device, through the status detection module in the servo motor module Upload the opening and closing time and speed, travel characteristics of the circuit breaker, isolating switch and grounding switch, as well as the opening and closing position information.
具体的,监控装置内一体化集成有主控模块、状态监测智能电子设备和伺服电机驱动模块,主控模块分别与状态监测智能电子设备和伺服电机 驱动模块相连接,状态监测智能电子设备与断路器、隔离开关和接地开关伺服电机模块中的相应状态监测模块连接,实现断路器、隔离开关和接地开关的分、合闸时间、速度、行程等动作特性信息和分、合闸位置信息的监测,伺服电机驱动模块配置为对断路器伺服电机模块的伺服电机、隔离开关伺服电机模块的伺服电机和接地开关伺服电机模块的伺服电机进行驱动,以实现断路器、隔离开关和接地开关的分、合闸操作。Specifically, the monitoring device is integrated with a main control module, a state monitoring intelligent electronic device, and a servo motor drive module. The main control module is respectively connected with the state monitoring intelligent electronic device and the servo motor drive module, and the state monitoring intelligent electronic device is connected to the circuit breaker. The corresponding status monitoring modules in the servo motor module of the isolator, isolating switch and grounding switch are connected to realize the monitoring of the opening and closing time, speed, stroke and other action characteristics of the circuit breaker, isolating switch and grounding switch, and the opening and closing position information. , The servo motor drive module is configured to drive the servo motor of the circuit breaker servo motor module, the servo motor of the isolating switch servo motor module, and the servo motor of the earthing switch servo motor module to realize the separation of the circuit breaker, isolating switch and earthing switch. Closing operation.
上述局部放电检测模块连接监控装置的状态监测智能电子设备,配置为将检测得到的数据信息输出至状态监测智能电子设备,以实现局部放电的监测。The partial discharge detection module is connected to the state monitoring intelligent electronic equipment of the monitoring device, and is configured to output the detected data information to the state monitoring intelligent electronic equipment, so as to realize the monitoring of the partial discharge.
上述绝缘气体检测模块连接监控装置的状态监测智能电子设备,配置为将检测得到的数据信息输出至状态监测智能电子设备,以实现绝缘气体的监测。The above-mentioned insulating gas detection module is connected to the state monitoring intelligent electronic device of the monitoring device, and is configured to output the detected data information to the state monitoring intelligent electronic device to realize the monitoring of the insulating gas.
本实施例中的断路器状态检测模块为用于检测断路器动作特性曲线的第一开关动作特性曲线检测器件,配置为检测断路器的分、合闸时间、速度、行程等特性信息,隔离开关状态检测模块为用于检测隔离开关动作特性曲线的第二开关动作特性曲线检测器件,配置为检测隔离开关的分、合闸时间、速度、行程等特性信息,接地开关状态检测模块为用于检测接地开关动作特性曲线的第三开关动作特性曲线检测器件,配置为检测接地开关的分、合闸时间、速度、行程等特性信息。The circuit breaker state detection module in this embodiment is the first switching characteristic curve detection device for detecting the characteristic curve of the circuit breaker, and is configured to detect characteristic information such as opening and closing time, speed, and stroke of the circuit breaker. The state detection module is the second switch action characteristic curve detection device used to detect the action characteristic curve of the isolating switch. It is configured to detect the opening and closing time, speed, stroke and other characteristic information of the isolating switch. The grounding switch state detection module is used to detect The third switch action characteristic curve detection device of the grounding switch action characteristic curve is configured to detect characteristic information such as opening and closing time, speed, and stroke of the grounding switch.
监控装置中的状态监测智能电子设备根据第一开关动作特性曲线检测器件发送的动作特性曲线确定断路器分、合闸位置,根据第二开关动作特性曲线检测器件发送的动作特性曲线确定隔离开关分、合闸位置,以及根据第三开关动作特性曲线检测器件发送的动作特性曲线确定接地开关分、合闸位置。The state monitoring intelligent electronic equipment in the monitoring device determines the opening and closing positions of the circuit breaker according to the action characteristic curve sent by the first switching characteristic curve detection device, and determines the disconnection switch position according to the action characteristic curve sent by the second switching action characteristic curve detection device. , Closing position, and determining the opening and closing positions of the grounding switch according to the action characteristic curve sent by the third switch action characteristic curve detection device.
具体的,该第一开关动作特性曲线检测器件集成在断路器的伺服电机 模块中,第二开关动作特性曲线检测器件集成在隔离开关的伺服电机模块中,第三开关动作特性曲线检测器件集成在接地开关的伺服电机模块中。Specifically, the first switching characteristic curve detection device is integrated in the servo motor module of the circuit breaker, the second switching characteristic curve detection device is integrated in the servo motor module of the isolating switch, and the third switching characteristic curve detection device is integrated in In the servo motor module of the grounding switch.
监控装置还包括通信模块,配置为与外部测控设备进行通信,外部测控设备如变电站后台测控装置与保护装置。The monitoring device also includes a communication module, which is configured to communicate with external measurement and control equipment, such as a substation background measurement and control device and protection device.
此外,监控装置内还集成有与伺服电机驱动模块对应的储能阵列和隔离变压器,监控装置布置在GIS智能组件柜内。In addition, the monitoring device is also integrated with the energy storage array and isolation transformer corresponding to the servo motor drive module, and the monitoring device is arranged in the GIS intelligent component cabinet.
本实施例中的控制断路器、隔离开关、接地开关分、合闸的伺服电机直接连接相应的动触头连杆,带动动触头动作,并由监控装置的主控模块控制,并实时接收分、合闸的控制命令。相应伺服电机的动作特性以及位置状态直接上传至监控装置的状态监测智能电子设备本实施例中的每个电机驱动操动机构实际上只保留一台伺服电机模块,相比现有技术中的操动机构,本申请实施例的伺服电机模块减少了传统操动机构的储能结构、传动连杆、齿轮、辅助开关等部分,每台伺服电机模块只保留电源线和控制线、检测器件数据通讯线,减少了现有操动机构与智能组件柜之间的连线,有利于接口的标准化,方便运行维护管理。本申请实施例不需要设计辅助开关,直接由监控装置根据伺服电机模块中状态监测模块上传的动作特性曲线运算得出断路器、隔离开关、接地开关的分、合闸位置,并以数字信号上传至后台测控装置,大大减少了设备间接线。The servo motor that controls the opening and closing of the circuit breaker, isolating switch, and grounding switch in this embodiment is directly connected to the corresponding moving contact connecting rod to drive the moving contact to move, and is controlled by the main control module of the monitoring device, and receives in real time Control commands for opening and closing. The action characteristics and position status of the corresponding servo motor are directly uploaded to the state monitoring intelligent electronic equipment of the monitoring device. Each motor drive operating mechanism in this embodiment actually only retains one servo motor module, which is compared with the operation in the prior art. The servo motor module of the embodiment of the application reduces the energy storage structure, transmission connecting rod, gear, auxiliary switch and other parts of the traditional operating mechanism. Each servo motor module only retains the power line and control line, and the data communication of the detection device It reduces the connection between the existing operating mechanism and the intelligent component cabinet, which is conducive to the standardization of the interface and facilitates operation, maintenance and management. The embodiment of the application does not need to design an auxiliary switch, and the monitoring device directly calculates the opening and closing positions of the circuit breaker, isolating switch, and grounding switch according to the action characteristic curve uploaded by the status monitoring module in the servo motor module, and uploads them with digital signals To the background measurement and control device, greatly reducing the wiring between equipment.
本申请实施例通过采用伺服电机直接驱动开关设备(断路器、隔离开关和接地开关),减小操动机构体积及重量,增强了设备的市场竞争力;并通过集中布置主控模块、状态监测智能电子设备、伺服电机驱动模块及其对应的储能阵列和隔离变压器,方便运行维护管理。The embodiment of the application uses a servo motor to directly drive the switchgear (circuit breaker, isolating switch and grounding switch), reducing the volume and weight of the operating mechanism, and enhancing the market competitiveness of the device; and centrally arranging the main control module and status monitoring Intelligent electronic equipment, servo motor drive modules and their corresponding energy storage arrays and isolation transformers facilitate operation, maintenance and management.
本申请实施例可通过伺服电机对智能GIS开关设备进行精准控制,对开关动作特性曲线进行实时监测,并对开关设备动作特性进行评估,也可接收局部放电检测模块、绝缘气体检测模块的状态监测信息,并对监测数 据进行运算处理,实现对GIS开关设备状态进行综合性的监测和评估,满足未来智能电网的发展需求,有很好的市场前景。The embodiment of the application can accurately control the intelligent GIS switchgear through the servo motor, monitor the switch action characteristic curve in real time, and evaluate the switchgear action characteristic, and can also receive the state monitoring of the partial discharge detection module and the insulating gas detection module Information, and the calculation and processing of monitoring data, to achieve comprehensive monitoring and evaluation of the status of GIS switchgear, to meet the development needs of future smart grids, and has a good market prospect.
本申请实施例将储能阵列、隔离升压变器、辅助控制回路等布置在智能组件柜内,与智能组件柜的电源***、辅助***集成化设计,以适应智能变电站一次设备智能化的迅速发展和满足未来变电站设备“集成化智能设备”的技术特征。In the embodiment of this application, the energy storage array, isolation booster converter, auxiliary control loop, etc. are arranged in the intelligent component cabinet, and the power system and auxiliary system of the intelligent component cabinet are integrated and designed to adapt to the rapid intelligentization of primary equipment in smart substations. Develop and meet the technical characteristics of future substation equipment "integrated intelligent equipment".
以上所述仅为本申请的优选实施例,并不用于限制本申请,例如,主控模块可采用多CPU进行交互,例如采用伺服控制器和智能终端,伺服控制器分别与状态监测智能电子设备和伺服电机驱动模块相连接,配置为根据智能终端或上层网路命令,以及对状态监测智能电子设备的监测情况进行评估,实现对各伺服电机驱动模块的控制;智能终端配置为实现开关量和模拟量采集功能、开关量输出功能和接收保护跳合闸命令等功能。因此,对于本领域的技术人员来说,本申请实施例可以有各种更改和变化。凡在本申请实施例的精神和原则之内,所作的任何修改、等同替换、改进等,均应包含在本申请实施例的权利要求范围之内。The above are only preferred embodiments of this application, and are not intended to limit this application. For example, the main control module can use multiple CPUs to interact, such as a servo controller and an intelligent terminal, and the servo controller is connected to the state monitoring intelligent electronic device. It is connected with the servo motor drive module, configured to evaluate the monitoring situation of the state monitoring intelligent electronic equipment according to the intelligent terminal or upper network command, and realize the control of each servo motor drive module; the intelligent terminal is configured to realize the switch value and Analog quantity acquisition function, switch quantity output function and receiving protection trip and closing commands and other functions. Therefore, for those skilled in the art, the embodiments of the present application may have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the embodiments of the present application shall be included in the scope of the claims of the embodiments of the present application.
以上所述,仅为本申请的较佳实施例而已,并非用于限定本申请实施例的保护范围。The foregoing descriptions are only preferred embodiments of the present application, and are not used to limit the protection scope of the embodiments of the present application.
工业实用性Industrial applicability
本申请实施例中,GIS开关设备的GIS本体的三大部分:断路器部分、隔离开关部分和接地开关部分,在设置有各自的伺服电机模块的情况下即可实现分合闸的功能,为这三大部分设置的零部件较少,由此解决了现有GIS开关设备内部的断路器、隔离开关和接地开关对应的操动机构的零部件多造成GIS开关设备的结构比较复杂以及故障率比较高的问题。此外,可通过监控装置对各个伺服电机模块的控制可实现断路器、隔离开关和接地开关的分、合闸操作,实现GIS开关设备的控制分合闸的功能。In the embodiment of this application, the three major parts of the GIS body of the GIS switch device: the circuit breaker part, the isolating switch part and the grounding switch part, can realize the function of opening and closing when the respective servo motor modules are provided. These three major parts are equipped with fewer parts, which solves the problem of the existing GIS switchgear internal circuit breaker, isolating switch and grounding switch corresponding to the operating mechanism of the parts, resulting in more complicated structure and failure rate of the GIS switchgear Relatively high problem. In addition, the control of each servo motor module by the monitoring device can realize the opening and closing operations of the circuit breaker, the isolating switch and the grounding switch, and the function of controlling the opening and closing of the GIS switchgear.
此外,本申请实施例的GIS开关设备的结构简单,且相对于现有GIS开关设备内部的断路器、隔离开关和接地开关对应的操动机构,本申请实施例的GIS开关设备只有伺服电机模块,减少了现有操动机构内的零部件和传动环节,如储能结构、传动连杆、齿轮等部分,减小了设备体积和重量的同时,降低了GIS开关设备的故障率。In addition, the GIS switchgear of the embodiment of the present application has a simple structure, and compared to the operating mechanism corresponding to the circuit breaker, isolating switch and grounding switch inside the existing GIS switchgear, the GIS switchgear of the embodiment of the present application only has a servo motor module , Reducing the parts and transmission links in the existing operating mechanism, such as energy storage structure, transmission connecting rod, gears, etc., reduces the volume and weight of the equipment, and reduces the failure rate of GIS switch equipment.

Claims (10)

  1. 一种全电机驱动的GIS开关设备,包括GIS本体以及监控装置,所述GIS本体包括断路器部分、隔离开关部分和接地开关部分,所述断路器部分包括断路器以及设置有配置为控制断路器分、合闸的伺服电机模块,隔离开关部分包括隔离开关以及设置有配置为控制隔离开关分、合闸的伺服电机模块,接地开关部分包括接地开关以及设置有配置为控制接地开关分、合闸的伺服电机模块;An all-motor-driven GIS switchgear includes a GIS body and a monitoring device. The GIS body includes a circuit breaker part, an isolating switch part and a grounding switch part. The circuit breaker part includes a circuit breaker and is configured to control the circuit breaker. Servo motor modules for opening and closing. The isolating switch part includes an isolating switch and a servo motor module configured to control the opening and closing of the isolating switch. The grounding switch part includes a grounding switch and a grounding switch configured to control the opening and closing. Servo motor module;
    所述监控装置分别与断路器的伺服电机模块、隔离开关的伺服电机模块和接地开关的伺服电机模块相连接,以控制断路器、隔离开关和接地开关进行分、合闸操作。The monitoring device is respectively connected with the servo motor module of the circuit breaker, the servo motor module of the isolation switch and the servo motor module of the grounding switch to control the opening and closing operations of the circuit breaker, the isolation switch and the grounding switch.
  2. 根据权利要求1所述的全电机驱动的GIS开关设备,其中,所述断路器的伺服电机模块包括配置为检测断路器分、合闸位置及动作特性的断路器状态检测模块,所述隔离开关的伺服电机模块包括配置为检测隔离开关分、合闸位置及动作特性的隔离开关状态检测模块,所述接地开关的伺服电机模块包括配置为检测接地开关分、合闸位置及动作特性的接地开关状态检测模块,所述监控装置分别与所述断路器状态检测模块、隔离开关状态检测模块和接地开关状态检测模块相连接,以采样断路器、隔离开关和接地开关的分、合闸位置信息及动作特性信息。The all-motor-driven GIS switchgear according to claim 1, wherein the servo motor module of the circuit breaker includes a circuit breaker state detection module configured to detect the opening and closing positions and action characteristics of the circuit breaker, and the isolation switch The servo motor module includes an isolating switch state detection module configured to detect the opening and closing positions and action characteristics of the isolating switch, and the servo motor module of the grounding switch includes a grounding switch configured to detect the opening and closing positions and action characteristics of the earthing switch The state detection module, the monitoring device is respectively connected with the circuit breaker state detection module, the isolation switch state detection module and the grounding switch state detection module to sample the opening and closing position information of the circuit breaker, the isolation switch and the grounding switch and Action characteristic information.
  3. 根据权利要求2所述的全电机驱动的GIS开关设备,其中,所述监控装置内集成有主控模块、状态监测智能电子设备和伺服电机驱动模块;其中,所述主控模块分别与所述状态监测智能电子设备和伺服电机驱动模块相连接,所述状态监测智能电子设备实现断路器、隔离开关和接地开关的分、合闸位置信息及动作特性信息的监测,所述伺服电机驱动模块配置为对断路器的伺服电机中的伺服电机、隔离开关的伺服电机中的伺服电机和接地开关的伺服电机中的伺服电机进行驱动,以实现断路器、隔离开关 和接地开关的分、合闸操作。The all-motor-driven GIS switchgear according to claim 2, wherein the monitoring device is integrated with a main control module, a state monitoring intelligent electronic device and a servo motor drive module; wherein, the main control module and the The state monitoring intelligent electronic device is connected with the servo motor drive module, and the state monitoring intelligent electronic device realizes the monitoring of the opening and closing position information and the action characteristic information of the circuit breaker, the isolating switch and the grounding switch, and the servo motor drive module is configured To drive the servo motor in the servo motor of the circuit breaker, the servo motor of the servo motor of the isolation switch, and the servo motor of the servo motor of the grounding switch to realize the opening and closing operations of the circuit breaker, the isolation switch and the grounding switch .
  4. 根据权利要求3所述的全电机驱动的GIS开关设备,其中,所述GIS本体还包括局部放电检测模块、与所述监控装置连接,配置为将检测得到的数据信息输出至状态监测智能电子设备,以实现局部放电的监测。The all-motor-driven GIS switchgear according to claim 3, wherein the GIS body further comprises a partial discharge detection module, which is connected to the monitoring device and is configured to output the detected data information to the state monitoring intelligent electronic device , In order to realize partial discharge monitoring.
  5. 根据权利要求4所述的全电机驱动的GIS开关设备,其中,所述GIS本体还包括绝缘气体检测模块,所述绝缘气体检测模块连接所述监控装置,配置为将检测得到的数据信息输出至状态监测智能电子设备,以实现绝缘气体的监测。The all-motor-driven GIS switchgear according to claim 4, wherein the GIS body further comprises an insulating gas detection module, the insulating gas detection module is connected to the monitoring device and is configured to output the detected data information to Condition monitoring intelligent electronic equipment to realize the monitoring of insulating gas.
  6. 根据权利要求2所述的全电机驱动的GIS开关设备,其中,所述断路器状态检测模块为用于检测断路器动作特性曲线的第一开关动作特性曲线检测器件,所述隔离开关状态检测模块为用于检测隔离开关动作特性曲线的第二开关动作特性曲线检测器件,所述接地开关状态检测模块为用于检测接地开关动作特性曲线的第三开关运动特性曲线检测器件。The all-motor-driven GIS switchgear according to claim 2, wherein the circuit breaker state detection module is a first switching characteristic curve detection device for detecting a circuit breaker operation characteristic curve, and the isolating switch state detection module It is a second switching characteristic curve detecting device for detecting the action characteristic curve of an isolating switch, and the grounding switch state detecting module is a third switching characteristic curve detecting device for detecting the action characteristic curve of a grounding switch.
  7. 根据权利要求6所述的全电机驱动的GIS开关设备,其中,所述第一开关动作特性曲线检测器件集成在断路器的伺服电机模块的伺服电机中,所述第二开关动作特性曲线检测器件集成在隔离开关的伺服电机模块的伺服电机中,所述第三开关动作特性曲线检测器件集成在接地开关的伺服电机模块的伺服电机中。The all-motor-driven GIS switchgear according to claim 6, wherein the first switching characteristic curve detection device is integrated in the servo motor of the servo motor module of the circuit breaker, and the second switching characteristic curve detection device Integrated in the servo motor of the servo motor module of the isolating switch, the third switch action characteristic curve detection device is integrated in the servo motor of the servo motor module of the grounding switch.
  8. 根据权利要求3所述的全电机驱动的GIS开关设备,其中,所述监控装置内还包括有与伺服电机驱动模块对应的储能阵列和隔离变压器。The all-motor-driven GIS switchgear according to claim 3, wherein the monitoring device further includes an energy storage array and an isolation transformer corresponding to the servo motor drive module.
  9. 根据权利要求8所述的全电机驱动的GIS开关设备,其中,所述监控装置还包括配置为与外部测控设备进行通信的通信模块。8. The all-motor-driven GIS switchgear according to claim 8, wherein the monitoring device further comprises a communication module configured to communicate with external measurement and control equipment.
  10. 根据权利要求5所述的全电机驱动的GIS开关设备,其中,所述监控装置还配置为接收包括GIS本体中绝缘气体检测模块发送的绝缘气体状态、局部放电检测模块发送的局部放电状态的监测信息,根据所述监测 信息对设备的可靠性进行监测和评估。The all-motor-driven GIS switchgear according to claim 5, wherein the monitoring device is further configured to receive monitoring of the state of the insulating gas sent by the insulating gas detection module in the GIS body and the partial discharge state sent by the partial discharge detection module. Information, the reliability of the equipment is monitored and evaluated according to the monitoring information.
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