CN113972733A - 电力采集终端、停电监测系统及停电监测方法 - Google Patents

电力采集终端、停电监测系统及停电监测方法 Download PDF

Info

Publication number
CN113972733A
CN113972733A CN202111087145.6A CN202111087145A CN113972733A CN 113972733 A CN113972733 A CN 113972733A CN 202111087145 A CN202111087145 A CN 202111087145A CN 113972733 A CN113972733 A CN 113972733A
Authority
CN
China
Prior art keywords
power failure
power
failure monitoring
module
communication module
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
CN202111087145.6A
Other languages
English (en)
Inventor
钱志军
张毅
沈嘉璐
邢烨
邵佳丽
庄明建
宣文雯
刘伟
杨洁
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shaoxing Power Supply Co of State Grid Zhejiang Electric Power Co Ltd
Shengzhou Power Supply Co of State Grid Zhejiang Electric Power Co Ltd
Original Assignee
Shaoxing Power Supply Co of State Grid Zhejiang Electric Power Co Ltd
Shengzhou Power Supply Co of State Grid Zhejiang Electric Power Co Ltd
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 Shaoxing Power Supply Co of State Grid Zhejiang Electric Power Co Ltd, Shengzhou Power Supply Co of State Grid Zhejiang Electric Power Co Ltd filed Critical Shaoxing Power Supply Co of State Grid Zhejiang Electric Power Co Ltd
Priority to CN202111087145.6A priority Critical patent/CN113972733A/zh
Publication of CN113972733A publication Critical patent/CN113972733A/zh
Pending legal-status Critical Current

Links

Images

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
    • H02J13/00001—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by the display of information or by user interaction, e.g. supervisory control and data acquisition systems [SCADA] or graphical user interfaces [GUI]
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
    • H02J13/00002—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by monitoring
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
    • H02J13/00006—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
    • H02J13/00006—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment
    • H02J13/00016—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment using a wired telecommunication network or a data transmission bus
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02B90/20—Smart grids as enabling technology in buildings sector
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
    • Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
    • Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
    • Y04S40/124—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using wired telecommunication networks or data transmission busses

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Human Computer Interaction (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Remote Monitoring And Control Of Power-Distribution Networks (AREA)

Abstract

本发明提供电力采集终端、停电监测系统及停电监测方法，电力采集终端包括电表和停电监测装置，电表一侧设有用于安装停电监测装置的侧腔，电表包括与市电连接的输入端和与用户端连接的输出端，停电监测装置包括供电模块、通讯模块和检测模块，电表设有停电监测触头，检测模块通过停电监测触头与电表输入端并联，检测模块与通讯模块连接，供电模块与检测模块、通讯模块连接；停电监测系统，包括通讯适配器、监测主站以及上述的停电监测装置；停电监测方法，包括：检测模块对供电参数进行判定，供电模块根据判定结果断电或对通讯模块供电，通讯模块根据检测模块的停电判定结果向外输出停电信号，信号接收装置接收停电信号，监控主站判定停电位置。

Description

电力采集终端、停电监测系统及停电监测方法
技术领域
本发明涉及配电装置和系统，尤其涉及电力采集终端、停电监测系统及停电监测方法。
背景技术
在配网抢修工作中，近70％的故障来自低压侧，而通过目前常规的监测手段无法判断低压停电的位置，电力局无法及时了解低压用户的停电情况，往往在接到用户投诉以后才知道该用户停电，供电“最后一公里”客户侧供电质量得不到全面、准确、真实的反映，降低了服务质量，增加了客户的停电投诉。
发明内容
本发明的目的在于提供电力采集终端、停电监测系统及停电监测方法，便于电力局能够及时了解用户的停电情况及停电位置。
为了达到上述目的，本发明采用如下技术方案：
一种电力采集终端，包括电表和停电监测装置，所述电表一侧设有用于安装所述停电监测装置的侧腔，所述电表包括与市电连接的输入端和与用户端连接的输出端，所述停电监测装置包括供电模块、通讯模块和检测模块，所述电表设有停电监测触头，所述检测模块通过所述停电监测触头与所述电表输入端并联，所述检测模块与所述通讯模块连接，所述供电模块与所述检测模块、通讯模块连接。
进一步的，所述停电监测触头设置在所述侧腔的一侧壁上，在与所述侧壁相对的另一侧壁上设有垫块，所述停电监测装置过盈配合在所述停电监测触头和所述垫块之间。
进一步的，所述侧腔内设有第一卡扣，所述停电监测装置通过第一卡扣安装在所述侧腔内。
进一步的，所述侧腔上滑动配合有侧腔盖，所述侧腔盖上设有第二卡扣，所述侧腔盖通过所述第二卡扣与所述电表扣接，使得所述侧腔的敞口被所述侧腔盖封闭。
进一步的，所述通讯模块为RS-485通讯模块。
进一步的，所述供电模块为超级电容器，所述超级电容器根据检测模块输出，启动放电为通讯模块供电。
本发明还提供一种停电监测系统，包括停电监测装置、通讯适配器和监测主站，所述停电监测装置安装在电表中，所述停电监测装置包括供电模块、通讯模块和检测模块，所述检测模块与电表的市电接入端并联，所述检测模块与所述通讯模块连接，所述供电模块与所述检测模块、通讯模块连接，所述监控主站包括信号接收装置，所述通讯模块与所述信号接收装置通过所述通讯适配器通信连接。
基于上述的停电监测系统，本发明还提供一种停电监测方法，包括以下步骤：停电监测装置的检测模块对供电参数进行判定，供电模块根据判定结果断电或对通讯模块供电，通讯模块根据检测模块的停电判定结果向外输出停电信号，信号接收装置接收停电信号，监控主站判定停电位置，并安排检修人员至停电位置进行电力检修。
采用上述技术方案后，本发明具有如下优点：
通过获取供电参数进而判定是否需要生成并发送报警信息，从而使得供电部门或者抢修部门能够获取及时获取停电信息，并采取对应的措施，最终提高了用户的使用感受。电表一侧设有用于安装停电监测装置的侧腔，停电监测装置装入侧腔后，停电监测触头与检测模块对应接合，不需要使用电线连接停电监测装置，便于停电监测装置的安装。垫块使得检测模块的触头与停电监测触头压合，保证检测模块与停电监测之间保持良好的电性接触。
附图说明
下面结合附图对本发明作进一步说明：
图1为本发明中一种具备停电监测功能的电力采集终端的结构示意图。
图2为本发明中电表和停电监测装置各模块的连接结构示意图。
图3为本发明中停电检测系统的结构示意图。
具体实施方式
以下结合附图及具体实施例，对本发明作进一步的详细说明。
如图1-2所示，一种电力采集终端，包括电表1和停电监测装置2。
电表1一侧设有用于安装停电监测装置2的侧腔101，电表1包括与市电连接的输入端102和与用户端连接的输出端103。
停电监测装置2包括供电模块201、通讯模块202和检测模块203，电表设有停电监测触头104，检测模块203通过停电监测触头104与电表输入端102并联，检测模块203与通讯模块202连接，供电模块201与检测模块203、通讯模块202连接。检测模块203对供电参数进行判定，供电模块201根据判定结果停电或对通讯模块202供电，通讯模块202根据检测模块203的停电判定结果向外输出停电信号。停电监测装置2装入侧腔101后，停电监测触头104与检测模块203对应接合，不需要使用电线连接停电监测装置2，便于停电监测装置2的安装。
本实施例中，停电监测触头104设置在侧腔101的左侧壁上，在侧腔101的右侧壁上设有垫块3，停电监测装置2过盈配合在停电监测触头104和垫块3之间。垫块3使得检测模块203的触头与停电监测触头104压合，保证检测模块203与停电监测104之间保持良好的电性接触。
本实施例中，在侧腔101的上部和下部固定设有第一卡扣1011，停电监测装2置通过第一卡扣1011安装在侧腔101内。
本实施例中，侧腔101滑动配合有侧腔盖4，侧腔盖4沿左右方向滑动，侧腔盖4的左侧固定设有第二卡扣401，侧腔盖4通过第二卡扣401与电表1扣接，使得侧腔101的敞口被侧腔盖4封闭。
本实施例中，检测模块203为STM32F103R8T6芯片。
本实施例中，通讯模块202为RS-485通讯模块。可以理解的是，通讯模块202也可以为GSM通讯模块。
本实施例中，供电模块201为超级电容器，超级电容器根据检测模块输出，启动放电为通讯模块供电。
如图3所示，一种停电监测系统，包括通讯适配器5、监测主站6以及上述的停电监测装置，监控主站6包括信号接收装置601，通讯模块202与信号接收装置601通过通讯适配器5通信连接。
基于上述停电监测系统的停电监测方法，包括以下步骤：停电监测装置的检测模块203对供电参数进行判定，供电模块201根据判定结果断电或对通讯模块202供电，通讯模块202根据检测模块的停电判定结果向外输出停电信号，信号接收装置601接收停电信号，监控主站6判定停电位置，并安排检修人员至停电位置进行电力检修。
通过上述实施例，使得供电部门或者抢修部门能够获取及时获取停电信息，并采取对应的措施，最终提高了用户的使用感受。
除上述优选实施例外，本发明还有其他的实施方式，本领域技术人员可以根据本发明作出各种改变和变形，只要不脱离本发明的精神，均应属于本发明所附权利要求所定义的范围。

Claims (8)

1.电力采集终端，其特征在于，包括电表和停电监测装置，所述电表一侧设有用于安装所述停电监测装置的侧腔，所述电表包括与市电连接的输入端和与用户端连接的输出端，所述停电监测装置包括供电模块、通讯模块和检测模块，所述电表设有停电监测触头，所述检测模块通过所述停电监测触头与所述电表输入端并联，所述检测模块与所述通讯模块连接，所述供电模块与所述检测模块、通讯模块连接。
2.根据权利要求1所述的电力采集终端，其特征在于，所述停电监测触头设置在所述侧腔的一侧壁上，在与所述侧壁相对的另一侧壁上设有垫块，所述停电监测装置过盈配合在所述停电监测触头和所述垫块之间。
3.根据权利要求1所述的电力采集终端，其特征在于，所述侧腔内设有第一卡扣，所述停电监测装置通过第一卡扣安装在所述侧腔内。
4.根据权利要求1所述的电力采集终端，其特征在于，所述侧腔上滑动配合有侧腔盖，所述侧腔盖上设有第二卡扣，所述侧腔盖通过所述第二卡扣与所述电表扣接，使得所述侧腔的敞口被所述侧腔盖封闭。
5.根据权利要求1所述的电力采集终端，其特征在于，所述通讯模块为RS-485通讯模块。
6.根据权利要求1所述的电力采集终端，其特征在于，所述供电模块为超级电容器，所述超级电容器根据检测模块输出，启动放电为通讯模块供电。
7.停电监测系统，其特征在于，包括停电监测装置、通讯适配器和监测主站，所述停电监测装置安装在电表中，所述停电监测装置包括供电模块、通讯模块和检测模块，所述检测模块与电表的市电接入端并联，所述检测模块与所述通讯模块连接，所述供电模块与所述检测模块、通讯模块连接，所述监控主站包括信号接收装置，所述通讯模块与所述信号接收装置通过所述通讯适配器通信连接。
8.基于权利要求7所述停电监测系统的停电监测方法，其特征在于，包括以下步骤：停电监测装置的检测模块对供电参数进行判定，供电模块根据判定结果断电或对通讯模块供电，通讯模块根据检测模块的停电判定结果向外输出停电信号，信号接收装置接收停电信号，监控主站判定停电位置，并安排检修人员至停电位置进行电力检修。
CN202111087145.6A 2021-09-16 2021-09-16 电力采集终端、停电监测系统及停电监测方法 Pending CN113972733A (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202111087145.6A CN113972733A (zh) 2021-09-16 2021-09-16 电力采集终端、停电监测系统及停电监测方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202111087145.6A CN113972733A (zh) 2021-09-16 2021-09-16 电力采集终端、停电监测系统及停电监测方法

Publications (1)

Publication Number Publication Date
CN113972733A true CN113972733A (zh) 2022-01-25

Family

ID=79586630

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202111087145.6A Pending CN113972733A (zh) 2021-09-16 2021-09-16 电力采集终端、停电监测系统及停电监测方法

Country Status (1)

Country Link
CN (1) CN113972733A (zh)

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201408216Y (zh) * 2009-05-16 2010-02-17 湖北索瑞电气有限公司 一种铰链门翻转开闭拼装式电表箱
CN205982405U (zh) * 2016-09-14 2017-02-22 国网浙江省电力公司丽水供电公司 停电告警装置
CN106443141A (zh) * 2016-09-14 2017-02-22 国网浙江省电力公司丽水供电公司 停电告警装置
CN207601140U (zh) * 2017-12-23 2018-07-10 浙江康格电气有限公司 一种带有滑盖式防护门的电表箱
CN207742236U (zh) * 2017-12-19 2018-08-17 杭州海兴电力科技股份有限公司 基于无线通讯的停电告警装置、电表及系统
CN110161450A (zh) * 2019-06-20 2019-08-23 宁波三星医疗电气股份有限公司 一种掉电检测电路、通信模块及电表
CN211263565U (zh) * 2019-10-28 2020-08-14 广州供电局有限公司 智能表箱
CN216485277U (zh) * 2021-09-16 2022-05-10 国网浙江嵊州市供电有限公司 具备停电监测功能的电力采集终端

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201408216Y (zh) * 2009-05-16 2010-02-17 湖北索瑞电气有限公司 一种铰链门翻转开闭拼装式电表箱
CN205982405U (zh) * 2016-09-14 2017-02-22 国网浙江省电力公司丽水供电公司 停电告警装置
CN106443141A (zh) * 2016-09-14 2017-02-22 国网浙江省电力公司丽水供电公司 停电告警装置
CN207742236U (zh) * 2017-12-19 2018-08-17 杭州海兴电力科技股份有限公司 基于无线通讯的停电告警装置、电表及系统
CN207601140U (zh) * 2017-12-23 2018-07-10 浙江康格电气有限公司 一种带有滑盖式防护门的电表箱
CN110161450A (zh) * 2019-06-20 2019-08-23 宁波三星医疗电气股份有限公司 一种掉电检测电路、通信模块及电表
CN211263565U (zh) * 2019-10-28 2020-08-14 广州供电局有限公司 智能表箱
CN216485277U (zh) * 2021-09-16 2022-05-10 国网浙江嵊州市供电有限公司 具备停电监测功能的电力采集终端

Similar Documents

Publication Publication Date Title
CN100576712C (zh) 太阳能逆变器以及具有多个太阳能逆变器的光电设备
CN103063967A (zh) 台区用户识别方法及台区用户识别仪
CN109769193B (zh) 一种基于峰均比和均值筛选的在线扬声器故障诊断系统
CN111342557A (zh) 一种基站发电取信装置、备电系统、取信方法及备电方法
CN216485277U (zh) 具备停电监测功能的电力采集终端
CN109639671B (zh) 一种适用于同步量测数据传输的方法及系统
CN108595294A (zh) 多表合一采集设备用通信接口转换器测试系统和方法
CN113972733A (zh) 电力采集终端、停电监测系统及停电监测方法
CN211528559U (zh) 一种用于抽水蓄能机组的故障录波器
CN109633332B (zh) 一种电力系统中设备自动定检方法和故障录波装置
CN215573400U (zh) 一种无源无线温度监测系统
CN107091953B (zh) 一种智能电能计量装置
CN115327218A (zh) 一种非侵入式功率因数测量装置及分体式电功率测量系统
CN208143258U (zh) 电力线载波的台区识别系统
CN110649703A (zh) 一种数字化台区线损态势感知与窃电稽查的方法
CN202441358U (zh) 油井生产故障自动监测装置
JP2002171696A (ja) 変電設備の遠隔監視システムおよび遠隔監視方法
CN112748391A (zh) 基于电力宽带载波通讯的电能表在线故障检测方法及系统
CN111505416B (zh) 一种变电站综合自动化测试系统
CN212321762U (zh) 一种高压线路故障点检测系统
CN104655994B (zh) Gis局放在线监测系统
CN209460634U (zh) 双模式变电站监控信号后备监测仪
CN112290680A (zh) 一种可监测通讯状态的电力通讯系统
CN204649901U (zh) Gis局放在线监测系统
CN213813925U (zh) 一种可带电安装的二次回路状态监测装置

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination