CN112994241A - Wisdom power plant electrical equipment life cycle management system - Google Patents

Wisdom power plant electrical equipment life cycle management system Download PDF

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Publication number
CN112994241A
CN112994241A CN202110260962.0A CN202110260962A CN112994241A CN 112994241 A CN112994241 A CN 112994241A CN 202110260962 A CN202110260962 A CN 202110260962A CN 112994241 A CN112994241 A CN 112994241A
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CN
China
Prior art keywords
module
sensor
data
equipment
intelligent analysis
Prior art date
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Pending
Application number
CN202110260962.0A
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Chinese (zh)
Inventor
张旦
李轶晨
邱婷
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.)
Zhejiang Laimi Internet Of Things Technology Co ltd
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Zhejiang Laimi Internet Of Things Technology Co ltd
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Application filed by Zhejiang Laimi Internet Of Things Technology Co ltd filed Critical Zhejiang Laimi Internet Of Things Technology Co ltd
Priority to CN202110260962.0A priority Critical patent/CN112994241A/en
Publication of CN112994241A publication Critical patent/CN112994241A/en
Pending legal-status Critical Current

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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
    • H02J13/00006—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
    • H02J13/00001—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
    • H02J13/00006—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
    • 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
    • H02J13/00017—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 using optical fiber
    • 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
    • Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
    • Y02B70/30—Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
    • 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
    • Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
    • Y04S20/20—End-user application control systems
    • Y04S20/242—Home appliances
    • 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

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

Abstract

The invention relates to a full-life-cycle management system for electrical equipment of an intelligent power plant, which mainly comprises a sensor module, an intelligent analysis module, an optical fiber local area network transmission module and a monitoring host module, wherein the sensor module is arranged at the end of detected equipment, the sensor and the intelligent analysis module are in communication transmission through optical fibers, the intelligent analysis module transmits acquired data to the monitoring host module through the optical fiber local area network transmission module, and the data are displayed through a desk machine and a mobile module which are connected with the outside of a central control room. The invention solves the problem of increased equipment operation cost caused by partial discharge shutdown detection, monitors partial discharge signals generated in the early stage of the power equipment, and utilizes the detection technology of multiple physical quantities to predict the insulation aging degree of the power equipment in the early stage of the partial discharge so as to realize the monitoring and management of the whole life cycle of the power equipment.

Description

Wisdom power plant electrical equipment life cycle management system
Technical Field
The invention relates to the technical field of cycle monitoring and management of power equipment, in particular to a full-life cycle management system of electrical equipment of an intelligent power plant.
Background
At present, the operation requirement of a power system is higher and higher, and the state monitoring of equipment needs to meet the operation requirement of reducing the power failure time and times as much as possible. It is necessary to study how to detect partial discharge of the transformer on-line or live without affecting the operation of the power equipment, and to determine the health status of the power equipment. The traditional partial discharge detection mainly has the following defects;
1. the traditional partial discharge detection method needs power failure for detection, and loss caused by power failure is increased continuously;
2. the traditional partial discharge detection system mainly detects whether the power equipment has insulation faults or not according to heat generated in the partial discharge process, but when the power equipment reaches the stage of starting to generate heat or even starting to fire, the reaction time left for maintenance personnel at this time is short, and the potential safety hazards of the power equipment cannot be checked in a short time, so that economic loss is caused.
Disclosure of Invention
The invention aims to solve the problems in the prior art and provides an intelligent power plant electrical equipment life cycle management system, which can predict the insulation aging degree of electrical equipment in the early stage of partial discharge by monitoring partial discharge signals generated in the early stage of the electrical equipment and utilizing a detection technology of multiple physical quantities, thereby realizing the monitoring and management of the life cycle of the electrical equipment.
The specific technical scheme is as follows: the utility model provides a wisdom power plant electrical equipment life cycle management system, mainly includes sensor module, intelligent analysis module, fiber local area network transmission module and monitoring host module and constitutes, sensor module arranges in by the equipment end, the sensor passes through fiber communication transmission with intelligent analysis module, intelligent analysis module carries out data display through the table machine and the action module of the outside connection of central control room on the data transmission to the monitoring host module that the data transmission that the light local area network transmission module will gather through the intelligent analysis module.
In a further technical scheme, the sensor module mainly comprises high frequency current sensors (HFCT), transient earth voltage sensors (TEV) and ultrahigh frequency electromagnetic wave sensors (UHF-GIS).
In a further technical scheme, a detector used by the intelligent analysis module adopts a PDD-SA model.
According to the technical scheme, when the partial discharge frequency of the detected equipment is accumulated to affect an insulation system of the electrical equipment, the detector timely and actively sends out an alarm signal to a superior level through the Ethernet, meanwhile, an alarm relay in the partial discharge online monitoring system acts to output a passive contact signal, the alarm signal is displayed on a liquid crystal display screen, and meanwhile, a background monitoring computer sends alarm information to an email and a specified mobile phone of a user through a network.
According to the further technical scheme, a plurality of devices are managed in a unified mode through the Ethernet by using the computer, under the condition that the storage period of the detected data is not less than 10 minutes, the data can be continuously stored for 3 months, and data can be uploaded through the Ethernet or the USB by using a notebook or the computer at any time to perform data backup.
The further technical scheme realizes the remote data transmission, the remote on-line monitoring of the high-voltage equipment and the operation analysis through the Ethernet.
The invention has the technical effects that: according to different tested equipment types, selecting a proper sensor module to be placed at a tested equipment end to obtain required detection data, transmitting the detection data into a monitoring host of an intelligent analysis module, the transmission mode is transmitted by optical fiber communication, the intelligent analysis module transmits the collected data to the monitoring host module by the light local area network transmission module, the invention has 24-hour on-line monitoring function by data display through the central control room and the action module, when the equipment has partial discharge, the method can predict the insulation state of the power equipment in time, and make a related maintenance plan, maintenance plan or replacement plan of the power equipment, thereby realizing prediction of the service life of the power equipment, monitoring and managing the whole life cycle of the power equipment, and providing powerful guarantee for the safe and stable operation of a power system. Meanwhile, the monitoring data of the whole life cycle monitoring and management system of the electrical equipment is transmitted to the smart power grid through the Ethernet, and the combination of the Internet of things of the monitoring and management system and the smart power grid is perfectly realized. Because the intelligent partial discharge monitoring system ensures the safe and stable operation of the power system, the energy safety management of the smart power grid is simpler, more convenient, more reasonable and safer, the maintenance service cost of a factory is reduced, and the economic loss caused by unpredictable power failure is reduced.
Detailed Description
The essential features and advantages of the invention will be further explained below with reference to examples, but the invention is not limited to the examples listed.
Example (b): a full-life-cycle management system for electrical equipment of an intelligent power plant is characterized by mainly comprising a sensor module, an intelligent analysis module, an optical fiber local area network transmission module and a monitoring host module, wherein the sensor module is arranged at the end of detected equipment, the sensor and the intelligent analysis module are in communication transmission through optical fibers, the intelligent analysis module transmits acquired data to the monitoring host module through the optical fiber local area network transmission module, the data display is carried out through a desk machine and a motion module which are connected with the outside of a central control room, the sensor module mainly comprises high-frequency current sensors (HFCT), transient earth voltage sensors (TEV) and ultrahigh frequency electromagnetic wave sensors (UHF-GIS), a detector used by the intelligent analysis module adopts a PDD-SA model, when the number of partial discharge times of the detected equipment is accumulated to influence the insulation system of the electrical equipment, the detector sends out alarm signals to the upper level in time through Ethernet, meanwhile, an alarm relay in the partial discharge online monitoring system acts to output passive contact signals, the alarm signals are displayed on a liquid crystal display screen, meanwhile, a background monitoring computer sends alarm information to an electronic mail of a user and a designated mobile phone through a network, a computer is utilized to uniformly manage a plurality of devices through the Ethernet, the data can be continuously stored for 3 months under the condition that the storage period of detected data is not less than 10 minutes, a notebook or the computer can be utilized to upload data through the Ethernet or the USB at any time to perform data backup, and remote data transmission, remote online monitoring and operation analysis of high-voltage devices are realized through the Ethernet.
Embodiment 1, to an electrical component in an oil-immersed transformer or a GIS, a certain partial discharge phenomenon may occur, a sensitivity requirement of a sensor to be used is very high, a sensor type is a high frequency current sensor (HFCT) or a transient ground voltage sensor (TEV) according to a dual physical quantity detection technology, false alarm and floor alarm conditions occurring in an online monitoring process of partial discharge can be effectively avoided, the high frequency current sensor (HFCT) is snapped to a ground wire, sensors (UHF-OTS) are installed at upper and lower corresponding positions of a four-sided box body of the transformer, when the oil-immersed transformer has partial discharge, the high frequency current sensor (HFCT) captures a pulse current signal, and the sensors (UHF-OTS) directly receive an internal discharge signal, which is highly reliable.
Embodiment 2, aiming at SF6 GIS equipment, the gas insulated totally enclosed combined electrical apparatus is characterized in that the equipment is installed inside a metal tank body, which causes that local discharge signals are attenuated a lot after being transmitted to the outside, therefore, the sensitivity requirement of the used sensor is very high, and according to the double physical quantity detection technology, a high frequency current sensor (HFCT) and an ultrahigh frequency electromagnetic wave sensor (UHF-GIS) can be adopted, the alarm rate of the local discharge signal is improved, the condition of false alarm and alarm leakage in the process of partial discharge on-line monitoring can be effectively avoided, the ultra high frequency electromagnetic wave sensor (UHF-GIS) is arranged at the position of the gas chamber insulation isolator, the ultra high frequency electromagnetic wave sensor (UHF-GIS) is external, when SF6 GIS generates partial discharge, the ultra high frequency electromagnetic wave sensor (UHF-GIS) receives the discharge signal emitted through the disc insulator frame.
In the invention, according to different types of tested equipment, a proper sensor module is selected to be arranged at the end of the tested equipment to obtain required detection data, the test data is transmitted to the monitoring host of the intelligent analysis module, the transmission mode is transmitted by optical fiber communication, the intelligent analysis module transmits the collected data to the monitoring host module by the light local area network transmission module, the invention has 24-hour on-line monitoring function by data display through the central control room and the action module, when the equipment has partial discharge, the method can predict the insulation state of the power equipment in time, and make a related maintenance plan, maintenance plan or replacement plan of the power equipment, thereby realizing prediction of the service life of the power equipment, monitoring and managing the whole life cycle of the power equipment, and providing powerful guarantee for the safe and stable operation of a power system. Meanwhile, the monitoring data of the whole life cycle monitoring and management system of the electrical equipment is transmitted to the smart power grid through the Ethernet, and the combination of the Internet of things of the monitoring and management system and the smart power grid is perfectly realized. Because the intelligent partial discharge monitoring system ensures the safe and stable operation of the power system, the energy safety management of the smart power grid is simpler, more convenient, more reasonable and safer, the maintenance service cost of a factory is reduced, and the economic loss caused by unpredictable power failure is reduced.
It should be noted that the above-mentioned preferred embodiments are merely illustrative of the technical concepts and features of the present invention, and are intended to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.

Claims (6)

1. The utility model provides a wisdom power plant electrical equipment life cycle management system, its characterized in that mainly comprises sensor module, intelligent analysis module, optic fibre LAN transmission module and monitoring host module, sensor module arranges in by the check out test set end, the sensor passes through fiber communication transmission with intelligent analysis module, intelligent analysis module carries out data display through the table machine and the action module of the outside connection of central control room on the data transmission to the monitoring host module that light LAN transmission module will gather.
2. The system of claim 1, wherein the sensor module comprises one or more of a high frequency current sensor (HFCT), a transient voltage sensor (TEV), and a ultra high frequency electromagnetic wave sensor (UHF-GIS).
3. The system as claimed in claim 1, wherein the intelligent analysis module uses a PDD-SA type of detector.
4. The system according to claim 1 or 3, wherein when the number of partial discharges of the device under test is accumulated to affect the insulation system of the electrical device, the detector actively sends an alarm signal to the superior via the Ethernet in time, and the alarm relay inside the partial discharge on-line monitoring system operates to output a passive contact signal, and then the alarm signal is displayed on the LCD, and the background monitoring computer sends alarm information to the user's email and the designated mobile phone via the network.
5. The system as claimed in claim 1, wherein the computer is used to manage a plurality of devices through ethernet, and when the storage period of the detected data is not less than 10 minutes, the data can be continuously stored for 3 months, and the data can be uploaded through ethernet or USB by using a notebook or a computer at any time for data backup.
6. The system of claim 1, wherein the long-distance data transmission, the remote on-line monitoring of the high-voltage equipment, and the operation analysis are implemented via ethernet.
CN202110260962.0A 2021-03-10 2021-03-10 Wisdom power plant electrical equipment life cycle management system Pending CN112994241A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110260962.0A CN112994241A (en) 2021-03-10 2021-03-10 Wisdom power plant electrical equipment life cycle management system

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Application Number Priority Date Filing Date Title
CN202110260962.0A CN112994241A (en) 2021-03-10 2021-03-10 Wisdom power plant electrical equipment life cycle management system

Publications (1)

Publication Number Publication Date
CN112994241A true CN112994241A (en) 2021-06-18

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114071256A (en) * 2021-11-15 2022-02-18 国网湖南省电力有限公司 Partial discharge monitoring device suitable for ring net cage

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016176913A1 (en) * 2015-05-06 2016-11-10 杨启蓓 Smart multi-dimensional big data analyzing expert system for high-voltage circuit breaker in power grid
CN107846689A (en) * 2017-11-16 2018-03-27 上海微波技术研究所（中国电子科技集团公司第五十研究所） The method that cordless communication network frequency planning is realized based on generalized information system
CN108919065A (en) * 2018-05-16 2018-11-30 国网浙江省电力有限公司电力科学研究院 GIS ultrahigh frequency partial discharge monitoring management system

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016176913A1 (en) * 2015-05-06 2016-11-10 杨启蓓 Smart multi-dimensional big data analyzing expert system for high-voltage circuit breaker in power grid
CN107846689A (en) * 2017-11-16 2018-03-27 上海微波技术研究所（中国电子科技集团公司第五十研究所） The method that cordless communication network frequency planning is realized based on generalized information system
CN108919065A (en) * 2018-05-16 2018-11-30 国网浙江省电力有限公司电力科学研究院 GIS ultrahigh frequency partial discharge monitoring management system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114071256A (en) * 2021-11-15 2022-02-18 国网湖南省电力有限公司 Partial discharge monitoring device suitable for ring net cage

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Application publication date: 20210618