CN108011447A - A kind of monitoring power station equipment, Power Station Monitored Control System - Google Patents

A kind of monitoring power station equipment, Power Station Monitored Control System Download PDF

Info

Publication number
CN108011447A
CN108011447A CN201711075078.XA CN201711075078A CN108011447A CN 108011447 A CN108011447 A CN 108011447A CN 201711075078 A CN201711075078 A CN 201711075078A CN 108011447 A CN108011447 A CN 108011447A
Authority
CN
China
Prior art keywords
monitoring
module
power
power station
power supply
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
CN201711075078.XA
Other languages
Chinese (zh)
Inventor
刘益和
张双
徐晶
秦雨萍
陈晓燕
旷江明
杨济宁
苟全登
李飞
于永彦
韩云
孙元华
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.)
Neijiang Normal University
Engineering and Technical College of Chengdu University of Technology
Original Assignee
Neijiang Normal University
Engineering and Technical College of Chengdu University of Technology
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 Neijiang Normal University, Engineering and Technical College of Chengdu University of Technology filed Critical Neijiang Normal University
Priority to CN201711075078.XA priority Critical patent/CN108011447A/en
Publication of CN108011447A publication Critical patent/CN108011447A/en
Pending legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J13/00Circuit 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
    • H02J13/0017

Landscapes

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

Abstract

The present invention provides a kind of monitoring power station equipment, Power Station Monitored Control System.The monitoring power station equipment includes power supply module, external environment monitoring modular, data interaction module, substation operation condition monitoring module.The Power Station Monitored Control System sets up the administrative center of multistage.The present invention is using IP network and 4G networks as core, a variety of advanced technologies such as computer, communication, internet, digital multimedia, storage, information security are merged, monitored resource is supported to be accessed by various ways such as optical-fiber network, Ethernet, wireless networks, scattered, independent monitoring collection point is networked, realizes trans-regional, large-scale unified monitoring, unified storage, unified management, resource-sharing.The present invention can help every profession and trade user to provide clear and intuitive way to manage, shorten the decision-making time, improve work efficiency, improve the safe class of monitoring area.

Description

A kind of monitoring power station equipment, Power Station Monitored Control System
Technical field
The present invention relates to a kind of report control platform in Electric control field, more particularly to a kind of monitoring power station equipment, monitoring system System.
Background technology
At present, as the area of the facilities such as the various Larger Engineering Projects in the whole world, heavy industry, residential building expands, accordingly Power supply industry has also obtained swift and violent development.One side electric substation sharply increases, and expands the quantity of power transmission and transforming equipment, another Aspect, to lift reliability, security, the real-time of electric power system, it is also proposed the Various types of data of power transmission and transforming equipment monitoring The challenge of quality and quantity.
Existing comprehensive EMS(Energy Management System)、PMU(Synchronous phasor measuring device)And relay protection etc. by Step realizes that electric power is defeated and becomes intelligence, i.e. remote measurement, remote signalling, remote control, remote regulating.But the requirement in face of current social development with life, It is much insufficient to only reside within the data volumes such as concern voltage, electric current, on the one hand accurately electricity consumption situation can not be made correctly Rational scheduling;On the other hand, when running into fire, floods and uncertain natural calamity, by " unmanned value at this stage Keep " and " few man on duty " can because countermeasure can not be made rapidly in time and so that lives and properties are subject to very serious threat.
More precisely, due to the change for the real-time real time execution situation and local environment for grasping substation of having no idea Change, especially monitoring remote video may only be carried out due to having no idea to gather by vision, will be unable to understand in time high Threat of the tree growth to high voltage power transmission and transforming circuit, can not catch and prevent the danger of power transmission and transforming equipment artificial destruction in time, meet with When meeting frost sleet, can not still exist the problem of artificial line walking.And high voltage power transmission and transforming circuit is usually all away from residential area, It is to have special maintenance personnel to be kept an eye on not only cost increase, nor is beneficial to maintenance personnel's personal safety.Therefore, electric power System work efficiency and safety custody level are difficult to improve.
Beneficial effects of the present invention are:
The present invention is based on 4G technologies, can realize remote collection, transmission and the pipe of substation video and the various signals of equipment Reason.System has merged computer, communication, internet, digital multimedia, storage, information using IP networks and 4G networks as core A variety of advanced technologies such as safety, support monitored resource to be accessed by various ways such as optical-fiber network, Ethernet, wireless networks, Scattered, independent monitoring collection point is networked, realizes trans-regional, large-scale unified monitoring, unified storage, unified pipe Reason, resource-sharing;Help every profession and trade user to provide clear and intuitive way to manage, shorten the decision-making time, improve work efficiency, carry The safe class of high monitoring area.
The content of the invention
To solve the above problems, the present invention provides a kind of monitoring power station equipment, including power supply module, external environment monitoring mould Block, data interaction module, substation operation condition monitoring module.
The power supply module is connected with remaining modules, and power supply is provided for whole monitoring device.
The external environment monitoring modular includes temperature, air pressure, wind-force, door sensor, smog and the first-class peripheral hardware of shooting, to power transformation External environment condition where standing is monitored in all directions.
The substation operation condition monitoring module include voltage monitoring module, current monitoring module, oil temperature monitoring modular, Equipment operation control module and short-message instruction module, are respectively monitored the voltage, electric current, oil temperature of transformer equipment, and can On-off line operation is carried out to the circuit of substation by the instruction and short-message instruction that receive operating platform.
The data interaction module is used to select suitable network to obtain monitoring power station monitoring of equipment according to network condition Data sending last layer supervision center.
The substation operation condition monitoring module include voltage monitoring module, current monitoring module, oil temperature monitoring modular, Equipment operation control module, short-message instruction module.Voltage monitoring module, current monitoring module, oil temperature monitoring modular are respectively used to The voltage, electric current, oil temperature of transformer equipment are monitored, equipment operation control module and short-message instruction module can pass through reception The instruction of operating platform and short-message instruction carry out on-off line operation to the circuit of substation.
Selection level priorities of the data interaction module to network condition for:Wired network>4G networks>3G network> 2G networks.
Further, the power module includes solar panel, MCU, lithium battery, charge protector of battery, electricity Source power supply selection circuit, DC12/ DC5 modules, AD/DC modules, filter circuit, reverse protection circuit.
Lithium battery, charge protector of battery, power supply power supply selection circuit, DC12/ DC5 modules are sequentially connected with.
AD/DC modules, filter circuit, reverse protection circuit are sequentially connected with.
The output terminal of the reverse protection circuit is connected with+5V terminals ,+15V /+12V terminals, -15V terminals respectively ,+ The output terminal of 5V terminals is also connected with power supply power supply selection circuit, DC5/ DC4 modules, DC12/ DC5 modules output terminals and+5V The input terminal connection of terminal.
The MCU is used in the case where alternating current is working properly, periodically discharges for lithium battery.
The power supply power supply selection circuit is used to switch alternating current operating mode and lithium battery operating mode.
The filter circuit is used to filter out the high-frequency noise in AD/DC module output currents.
+ 5V terminals ,+4V terminals are respectively that other modules provide 5V power interfaces, 4V power interfaces.In+5V terminals both sides It is parallel with capacitance.
220V alternating currents are converted to positive and negative 15V and positive 5V DC voltages by AD/DC modules.
Reverse protection circuit is used to prevent power supply is reversed from burning.
+ 15V/+12V terminals are used to provide 15V interfaces under alternating current operating mode, and 12V is provided under battery operated mode Interface.
Further, the method for work of the data interaction module includes the following steps:
Step 1:Cable network is tested, if cable network is unobstructed, can be carried out data transmission, is otherwise carried out in next step.
Step 2:4G network signal quality situations are judged, when signal condition is met the requirements, using 4G network transmission numbers According to, otherwise carry out in next step.
Step 3:Judge 3G network signal quality situation, when signal condition is met the requirements, number is transmitted using 3G network According to, otherwise carry out in next step.
Step 4:2G network signal quality situations are judged, when signal condition is met the requirements, using 2G network transmission numbers According to, otherwise carry out in next step.
Step 5:Data interaction module is stored data to be transmitted;
Step 6:Return to step one.
Power Station Monitored Control System, including it is arranged in each substation, above-mentioned monitoring power station equipment, to each in region Region power monitoring administrative center that monitoring power station equipment is managed, to regional power monitoring administrative center in county domain and Power monitoring administrative center at county level that its subordinate's monitoring power station equipment is managed, to each power monitoring management at county level in administrative region of a city City-level power monitoring administrative center that the monitoring power station equipment of center and its subordinate are managed, supervise the city-level electric power in state domain The Guo Ji power monitorings administrative center that the monitoring power station equipment of control administrative center and its subordinate are managed.
Brief description of the drawings
Fig. 1 is monitoring power station equipment block diagram.
Fig. 2 is power supply module instance graph.
Fig. 3 is power supply power supply selection circuit.
Fig. 4 is data interaction tasks carrying figure.
Fig. 5 is Power Station Monitored Control System schematic diagram.
Embodiment
With reference to specific embodiment, the present invention is further illustrated.
As shown in Figure 1, monitoring power station equipment is introduced first.The monitoring power station equipment includes power supply module, external environment is supervised Survey module, data interaction module, substation operation condition monitoring module.Modules are introduced respectively below:
1. power supply module
The power supply module is connected with remaining modules, and power supply is provided for whole monitoring device.
It constructs as shown in Figure 2.
The power module includes solar panel, MCU, lithium battery, charge protector of battery, power supply power supply selection Circuit, DC12/ DC5 modules, AD/DC modules, filter circuit, reverse protection circuit.
Lithium battery, charge protector of battery, power supply power supply selection circuit, DC12/ DC5 modules are sequentially connected with.
AD/DC modules, filter circuit, reverse protection circuit are sequentially connected with.
The output terminal of the reverse protection circuit is connected with+5V terminals ,+15V /+12V terminals, -15V terminals respectively ,+ The output terminal of 5V terminals is also connected with power supply power supply selection circuit, DC5/ DC4 modules, DC12/ DC5 modules output terminals and+5V The input terminal connection of terminal.
The MCU is used in the case where alternating current is working properly, periodically discharges for lithium battery.
The power supply power supply selection circuit is used to switch alternating current operating mode and lithium battery operating mode.
The filter circuit is used to filter out the high-frequency noise in AD/DC module output currents.
+ 5V terminals ,+4V terminals are respectively that other modules provide 5V power interfaces, 4V power interfaces.According to the actual requirements, Capacitance Cp is parallel with+5V terminals both sides.Electric charge this characteristic can be stored using capacitance, can prevent power supply handoff procedure In, instant cut-off causes equipment to be restarted.With the existing STS static state switching switch of in the market compared with ATS automatic change-overs, both Demand is met, circuit is simplified, also reduces cost.
220V alternating currents are converted to positive and negative 15V and positive 5V DC voltages by AD/DC modules.
Reverse protection circuit is used to prevent power supply is reversed from burning.
+ 15V/+12V terminals are used to provide 15V interfaces under alternating current operating mode, and 12V is provided under battery operated mode Interface.
As shown in figure 3, power supply power supply selection circuit includes relay, diode, the relay is used for Switching power mould The alternating current operating mode and lithium battery operating mode of block.Under alternating current operating mode, the power supply of 5V, relay are provided for relay K0 The pin 4 of device K0 is disconnected with pin 3, lithium battery not access device.When city's electrical anomaly, 5V power supplys can not be provided for relay K0 When, pin 4 and the pin 3 of relay K0 close, and lithium battery access device is powered for equipment, into lithium battery operating mode. When alternating current is normal, auto-returned alternating current operating mode.
2. external environment monitoring modular
The external environment monitoring modular includes temperature, air pressure, wind-force, door sensor, smog and the first-class peripheral hardware of shooting, to substation Monitored in all directions in external environment condition.
3. substation operation condition monitoring module
The substation operation condition monitoring module includes voltage monitoring module, current monitoring module, oil temperature monitoring modular difference The voltage, electric current, oil temperature of transformer equipment are monitored, equipment operation control module and short-message instruction module can be by connecing The instruction and short-message instruction for receiving operating platform carry out on-off line operation to the circuit of substation.
The oil temperature monitoring modular, monitors the temperature of transformer oil, by dividing transformer oil temperature in real time Analysis, carry out early warning improper to transformer, while the extinguishing arc effect of high-voltage connection and switch-dividing contact point can be promoted, prevent The generation of corona and arc discharge.
4. data interaction module
The data interaction module is used for the number for selecting suitable network to obtain monitoring power station monitoring of equipment according to network condition According to transmission last layer supervision center.
As shown in figure 4, the method for work of the data interaction module includes the following steps:
Step 1:Cable network is tested, if cable network is unobstructed, can be carried out data transmission, is otherwise carried out in next step.
Step 2:4G network signal quality situations are judged, when signal condition is met the requirements, using 4G network transmission numbers According to, otherwise carry out in next step.
Step 3:Judge 3G network signal quality situation, when signal condition is met the requirements, number is transmitted using 3G network According to, otherwise carry out in next step.
Step 4:2G network signal quality situations are judged, when signal condition is met the requirements, using 2G network transmission numbers According to, otherwise carry out in next step.
Step 5:Data interaction module is stored data to be transmitted;
Step 6:Return to step one.
The Power Station Monitored Control System set up using above-mentioned monitoring power station equipment is illustrated with reference to Fig. 5.
The Power Station Monitored Control System includes being arranged at the monitoring power station equipment set in each substation(All pacify in substation Put monitoring device), the region power monitoring administrative center that is managed to monitoring power station equipment in region(Can be to the more of subordinate A substation and its monitoring power station equipment are monitored operation), power monitoring administrative center at county level(Can be to the region administered Region power monitoring administrative center and its subordinate's monitoring power station equipment are monitored operation), city-level power monitoring administrative center(Can To be monitored operation to the power monitoring administrative center at county level administered and the monitoring power station equipment of the multiple substations of subordinate, And according to actual electricity consumption situation, power scheduling is adjusted), Guo Ji power monitorings administrative center(Can be to each in state domain The monitoring power station equipment of city-level power monitoring administrative center and its multiple substations of subordinate is monitored operation, to national electric power into Row total activation).Administrative centers at different levels access network, and cell-phone customer terminal can be used to carry out the access of due authority.Particularly, Each layer can obtain the operating rights of supervisory control of substation equipment, can more pass through cell-phone customer terminal, SMS etc. by rights management It is monitored operation.
The administrative center of each rank of the system make use of IP network to build, Star topology, the management control mould of multiple cascading networks Formula.

Claims (4)

1. a kind of monitoring power station equipment, it is characterised in that including power supply module, external environment monitoring modular, data interaction module, change Power station operating condition monitoring modular;
The power supply module is connected with remaining modules, and power supply is provided for whole monitoring device;
The external environment monitoring modular includes temperature, air pressure, wind-force, door sensor, smog and the first-class peripheral hardware of shooting, for power transformation External environment condition where standing is monitored;
The substation operation condition monitoring module includes voltage monitoring module, current monitoring module, oil temperature monitoring modular, equipment Operation control module and short-message instruction module, are respectively monitored the voltage, electric current, oil temperature of transformer equipment, and can pass through The instruction and short-message instruction for receiving operating platform carry out on-off line operation to the circuit of substation;
The data interaction module is used for the number for selecting suitable network to obtain monitoring power station monitoring of equipment according to network condition According to transmission last layer supervision center;
The substation operation condition monitoring module includes voltage monitoring module, current monitoring module, oil temperature monitoring modular, equipment Operation control module, short-message instruction module;Voltage monitoring module, current monitoring module, oil temperature monitoring modular are respectively used to becoming The voltage of electric equipment, electric current, oil temperature are monitored, and equipment operation control module and short-message instruction module can be operated by receiving The instruction of platform and short-message instruction carry out on-off line operation to the circuit of substation.
2. monitoring power station equipment as claimed in claim 1, it is characterised in that the power module include solar panel, MCU, lithium battery, charge protector of battery, power supply power supply selection circuit, DC12/ DC5 modules, AD/DC modules, filtered electrical Road, reverse protection circuit;
Lithium battery, charge protector of battery, power supply power supply selection circuit, DC12/ DC5 modules are sequentially connected with;
AD/DC modules, filter circuit, reverse protection circuit are sequentially connected with;
The output terminal of the reverse protection circuit is connected with+5V terminals ,+15V /+12V terminals, -15V terminals respectively ,+5V ends The output terminal of son is also connected with power supply power supply selection circuit, DC5/ DC4 modules, DC12/ DC5 modules output terminals and+5V terminals Input terminal connection;
The MCU is used in the case where alternating current is working properly, periodically discharges for lithium battery;
The power supply power supply selection circuit is used to switch alternating current operating mode and lithium battery operating mode;
The filter circuit is used to filter out the high-frequency noise in AD/DC module output currents;
+ 5V terminals ,+4V terminals are respectively that other modules provide 5V power interfaces, 4V power interfaces;It is in parallel in+5V terminals both sides There is capacitance;
220V alternating currents are converted to positive and negative 15V and positive 5V DC voltages by AD/DC modules;
Reverse protection circuit is used to prevent power supply is reversed from burning;
+ 15V/+12V terminals are used to provide 15V interfaces under alternating current operating mode, and 12V interfaces are provided under battery operated mode.
3. Power Station Monitored Control System as claimed in claim 1, it is characterised in that the method for work of the data interaction module includes Following steps:
Step 1:Cable network is tested, if cable network is unobstructed, can be carried out data transmission, is otherwise carried out in next step;
Step 2:Judge 4G network signal quality situations, it is no using 4G transmitted data on network when signal condition is met the requirements Then carry out in next step;
Step 3:Judge 3G network signal quality situation, when signal condition is met the requirements, data are transmitted using 3G network, it is no Then carry out in next step;
Step 4:Judge 2G network signal quality situations, it is no using 2G transmitted data on network when signal condition is met the requirements Then carry out in next step;
Step 5:Data interaction module is stored data to be transmitted;
Step 6:Return to step one.
4. Power Station Monitored Control System, it is characterised in that including be arranged at it is in each substation, such as any one of claim 1 ~ 4 institute The monitoring power station equipment stated, the region power monitoring administrative center being managed to each monitoring power station equipment in region, to county In the power monitoring at county level management that regional power monitoring administrative center and its subordinate's monitoring power station equipment are managed in domain The heart, the city-level electric power being managed to the monitoring power station equipment of each power monitoring administrative center at county level and its subordinate in administrative region of a city prison Control administrative center, the state's level being managed to the city-level power monitoring administrative center in state domain and its monitoring power station equipment of subordinate Power monitoring administrative center.
CN201711075078.XA 2017-11-06 2017-11-06 A kind of monitoring power station equipment, Power Station Monitored Control System Pending CN108011447A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201711075078.XA CN108011447A (en) 2017-11-06 2017-11-06 A kind of monitoring power station equipment, Power Station Monitored Control System

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201711075078.XA CN108011447A (en) 2017-11-06 2017-11-06 A kind of monitoring power station equipment, Power Station Monitored Control System

Publications (1)

Publication Number Publication Date
CN108011447A true CN108011447A (en) 2018-05-08

Family

ID=62051281

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201711075078.XA Pending CN108011447A (en) 2017-11-06 2017-11-06 A kind of monitoring power station equipment, Power Station Monitored Control System

Country Status (1)

Country Link
CN (1) CN108011447A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109799755A (en) * 2019-01-28 2019-05-24 武汉恒泰通技术有限公司 A kind of remote real-time monitoring system and method
CN109818419A (en) * 2019-01-10 2019-05-28 国网新疆电力有限公司吐鲁番供电公司 A kind of substation's intelligent indicator lamp system
CN110545312A (en) * 2019-08-12 2019-12-06 中国南方电网有限责任公司 Cross-region interconnection detection method and device for power monitoring system
CN111432452A (en) * 2020-05-12 2020-07-17 广东纬德信息科技股份有限公司 Wireless access system of transformer substation

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202798152U (en) * 2012-07-31 2013-03-13 许继集团有限公司 Network layering distributed intelligent regional power grid
CN103116331A (en) * 2013-01-11 2013-05-22 国核信息科技有限公司 Intelligent substation safety monitoring and pre-warning system
CN103970098A (en) * 2014-04-28 2014-08-06 烟台磐能电气控制系统有限公司 Intelligent substation auxiliary system integrated monitoring platform
CN104242463A (en) * 2014-10-10 2014-12-24 长城电器集团乐山宁格朗电气有限责任公司 GPRS (general packet radio service) based remote power monitoring system and monitoring method
CN204990600U (en) * 2015-05-26 2016-01-20 绍兴中创建筑智能化科技有限公司 Computer lab security protection monitored control system
CN205882711U (en) * 2016-05-27 2017-01-11 宁格朗电气股份有限公司 Dual power supply's reactive compensation distribution and transform terminal remote monitering system
CN104267291B (en) * 2014-10-10 2017-01-18 宁格朗电气股份有限公司 Remote power monitoring system
JP2017034752A (en) * 2015-07-29 2017-02-09 東京電力ホールディングス株式会社 Monitoring control system

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202798152U (en) * 2012-07-31 2013-03-13 许继集团有限公司 Network layering distributed intelligent regional power grid
CN103116331A (en) * 2013-01-11 2013-05-22 国核信息科技有限公司 Intelligent substation safety monitoring and pre-warning system
CN103970098A (en) * 2014-04-28 2014-08-06 烟台磐能电气控制系统有限公司 Intelligent substation auxiliary system integrated monitoring platform
CN104242463A (en) * 2014-10-10 2014-12-24 长城电器集团乐山宁格朗电气有限责任公司 GPRS (general packet radio service) based remote power monitoring system and monitoring method
CN104267291B (en) * 2014-10-10 2017-01-18 宁格朗电气股份有限公司 Remote power monitoring system
CN204990600U (en) * 2015-05-26 2016-01-20 绍兴中创建筑智能化科技有限公司 Computer lab security protection monitored control system
JP2017034752A (en) * 2015-07-29 2017-02-09 東京電力ホールディングス株式会社 Monitoring control system
CN205882711U (en) * 2016-05-27 2017-01-11 宁格朗电气股份有限公司 Dual power supply's reactive compensation distribution and transform terminal remote monitering system

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
唐涛 等: "《发电厂与变电站自动化技术及其应用》", 28 February 2005, 中国电力出版社 *
庄奕琪编著: "《电子设计可靠性工程》", 31 October 2014, 西安电子科技大学出版社 *
赫军: "我国电力系统的分层(多级)调度控制及优势", 《电器工业》 *

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109818419A (en) * 2019-01-10 2019-05-28 国网新疆电力有限公司吐鲁番供电公司 A kind of substation's intelligent indicator lamp system
CN109799755A (en) * 2019-01-28 2019-05-24 武汉恒泰通技术有限公司 A kind of remote real-time monitoring system and method
CN110545312A (en) * 2019-08-12 2019-12-06 中国南方电网有限责任公司 Cross-region interconnection detection method and device for power monitoring system
CN110545312B (en) * 2019-08-12 2020-05-08 中国南方电网有限责任公司 Cross-region interconnection detection method and device for power monitoring system
CN111432452A (en) * 2020-05-12 2020-07-17 广东纬德信息科技股份有限公司 Wireless access system of transformer substation
CN111432452B (en) * 2020-05-12 2020-11-06 广东纬德信息科技股份有限公司 Wireless access system of transformer substation

Similar Documents

Publication Publication Date Title
CN104283308B (en) Smart central strategy control system for micro-grid
CN108011447A (en) A kind of monitoring power station equipment, Power Station Monitored Control System
CN111030304B (en) Electric power security protection intelligence thing networking systems
CN102158129A (en) Solar photovoltaic system and fault detection method thereof
CN111367209A (en) Internet of things intelligent safety power utilization management system
CN111404231A (en) Multifunctional intelligent charging cabinet
CN212970114U (en) Comprehensive intelligent monitoring system for electrical equipment
CN209232119U (en) A kind of box-type substation monitoring and alarming system based on cloud service platform
CN203678537U (en) Monitoring system of electric precipitator
CN103970098A (en) Intelligent substation auxiliary system integrated monitoring platform
CN105958638A (en) Distributed renewable energy intelligent station power supply system
CN105244918A (en) Photovoltaic energy storage power station
CN104297676B (en) Method, device and system for monitoring circuit breaker of wind generating set
CN112350313A (en) Low-voltage distribution automatic monitoring and processing system
CN203135572U (en) Transformer substation DC device state monitoring system
CN105305637B (en) A kind of grid-connected warning system of distributed generation resource and its operation method
CN203984351U (en) A kind of photovoltaic active safety system
CN207530622U (en) A kind of transformer system for remote monitoring and prewarning
CN204376531U (en) The remote and intelligent maintenance system of transforming plant DC power supply
CN107546856A (en) A kind of ring-main unit comprehensive monitoring system
CN117394535A (en) Digital twin system of AC/DC hybrid power distribution network
CN104730421A (en) Diagnostic method and system for grid fault equipment
CN102255373A (en) Equipment capable of realizing composite power supply of outdoor optical fiber access nodes, switching method and switching system
CN205015412U (en) System is studied and judged to trouble of distribution network
CN107425227A (en) Suitable for the battery online management platform of large-scale energy storage system

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
RJ01 Rejection of invention patent application after publication

Application publication date: 20180508

RJ01 Rejection of invention patent application after publication