CN207218253U - Distribute-electricity transformer district reactive voltage intelligent control system - Google Patents
Distribute-electricity transformer district reactive voltage intelligent control system Download PDFInfo
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- CN207218253U CN207218253U CN201721202218.0U CN201721202218U CN207218253U CN 207218253 U CN207218253 U CN 207218253U CN 201721202218 U CN201721202218 U CN 201721202218U CN 207218253 U CN207218253 U CN 207218253U
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- line carrier
- distribution transformer
- reactive
- electric energy
- transformer
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- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/30—Reactive power compensation
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- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
-
- 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
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/50—Systems or methods supporting the power network operation or management, involving a certain degree of interaction with the load-side end user applications
- Y04S10/52—Outage or fault management, e.g. fault detection or location
-
- 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
- Y04S40/121—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 the power network as support for the transmission
-
- 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
- Y04S40/126—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 wireless data transmission
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- Supply And Distribution Of Alternating Current (AREA)
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The utility model discloses a kind of distribute-electricity transformer district reactive voltage intelligent control system, including some reactive power compensators, some regulators, it is characterised in that：Power Line Carrier Communication Module or RS485 communication modules are provided with reactive power compensator and regulator, control system also includes server host, intelligent distribution transformer terminals；Server host is connected by GPRS VPN special wireless networks interfaces with intelligent distribution transformer terminals；Intelligent distribution transformer terminals are connected by line carrier communication interface or RS485 communication interfaces with reactive power compensator and regulator；The distribution transformer electric energy quality-monitoring module for being connected to distribution low-voltage side is provided with intelligent distribution transformer terminals.The utility model carries out global optimization control to taiwan area reactive-load compensation and regulator, overcomes the shortcomings that disperseing regulation and control, can improve power factor, reduces distribution transformer and distribution line loss, improves rate of qualified voltage.
Description
Technical field
Reactive power/voltage control technology is the utility model is related to, more particularly to a kind of distribute-electricity transformer district reactive voltage intelligentized control method
System.
Background technology
With expanding economy, network load constantly increases, and a certain degree of low-voltage problem occurs in subregion.2010
Since year, State Grid Corporation of China persistently carries out distribution low-voltage special administration, and the major measure taken surrounds reactive apparatus and tune
Equipment is pressed to carry out.Low-voltage special administration takes electric distribution network reactive-voltage three-level to coordinate the strategy of control, take into account balance it is high, in,
The pressure regulation of low three layers of power distribution network needs.Wherein distribute-electricity transformer district low-voltage network is connected by distribution line, distribution transformer with user
Composition, line construction is complicated, and load factor is low, and peak load gap is big, and terminal voltage is low, and its reactive loss accounts for power distribution network
50%.Therefore, distribute-electricity transformer district reactive-load compensation and pressure regulation to improve user terminal quality of voltage it is most important.
The Reactive Compensation Mode that distribute-electricity transformer district uses has centralized compensation, packet compensation, end compensation.Centralized compensation will compensate
Device is arranged on distribution transformer side, reduces load or burden without work and is flowed into power network, reduces the loss of distribution transformer.Packet compensation
Compensation device is arranged on power factor relatively low power unit or bus, reduces the loss of conveying circuit.End compensation will
Compensation device is directly installed near user's perception electrical equipment, improves the power factor in electrical equipment loop.Regulator is pacified
At distribution line lower voltage node, on the premise of reactive power in-situ balances, voltage is adjusted.At present, it is idle
The action policy of compensation device and regulator is run based on single-point, is a kind of regulation and control method for disperseing to isolate, can not be realized
The global idle work optimization of power distribution station.Therefore, propose to improve distribution basis for IT application in the special administration of national grid low-voltage,
Become scattered to be regulated to concentrate regulation and control, realize the whole network reactive Voltage Optimum.
The content of the invention
Goal of the invention of the present utility model is to provide a kind of distribute-electricity transformer district reactive voltage intelligent control system, overcomes existing
The shortcomings that distribute-electricity transformer district reactive-load compensation and pressure regulation decentralised control, the voltage of Overall Acquisition power distribution station and idle information, according to excellent
Change target and strategy, control reactive power compensator and the regulator operation of each node, realize that Global optimizes, make to match somebody with somebody
The idle and voltage controlled level of radio area has the raising of matter.
To achieve the above object of the invention, the technical solution adopted in the utility model is：A kind of distribute-electricity transformer district reactive voltage intelligence
Can networked control systems, including some reactive power compensators, some regulators, be provided with power line in the reactive power compensator and carry
Wave communication module or RS485 communication modules, Power Line Carrier Communication Module or RS485 communication moulds are provided with the regulator
Block, control system also include server host, intelligent distribution transformer terminals；The server host passes through GPRS-VPN wireless ad hoc networks
Network interface is connected with intelligent distribution transformer terminals；The intelligent distribution transformer terminals are connect by line carrier communication interface or RS485 communications
Mouth is connected with the reactive power compensator and regulator；Distribution transformer electric energy quality-monitoring mould is provided with the intelligent distribution transformer terminals
Block, the distribution transformer electric energy quality-monitoring module are connected to distribution low-voltage side, and the power quality data of acquisition distribution low-voltage side is simultaneously defeated
Go out to the control chip of intelligent distribution transformer terminals.
In above-mentioned technical proposal, the quality of power supply of the intelligent distribution transformer terminals monitoring distribution low-voltage side, carried by power line
Power quality data and operation at ripple or RS485 communication interfaces acquisition distribute-electricity transformer district reactive power compensator, regulator node
State, guidance command is sent to reactive power compensator and regulator.Intelligent distribution transformer terminals pass through GPRS-VPN wireless ad hoc networks
Network uploads onto the server the electric energy quality monitoring data and reactive power compensator of distribute-electricity transformer district, regulator running status master
Machine, carry out data storage, inquiry and display.
Further technical scheme, the server host are connected to internet through network interface.
Server host is arranged on grid company computer room, and software uses B/S structures, and web application includes data, services
Module, display module, communication module.The upload information of intelligent distribution transformer terminals is obtained by GPRS-VPN special wireless networks, is entered
Row data storage and query, electric energy quality monitoring data and reactive power compensator, the pressure regulation of distribute-electricity transformer district are shown by WEB page
Plant running state, while store data in database, user can inquire about current and historical data.
In above-mentioned technical proposal, the intelligent distribution transformer terminals are by distribution transformer electric energy quality-monitoring module, reactive power/voltage control mould
Block, GPRS communication modules, Power Line Carrier Communication Module and RS485 communication modules are formed, in the reactive power/voltage control module
Containing control chip, the distribution transformer electric energy quality-monitoring module includes transformer, the output end of distribution transformer electric energy quality-monitoring module
Mouth is connected to the control chip, the GPRS communication modules, Power Line Carrier Communication Module and RS485 communication modules respectively with
The input/output interface connection of the control chip.
Voltage, electric current, the work(that reactive power/voltage control module passes through distribution transformer electric energy quality-monitoring module monitors distribution low-voltage side
Rate etc., while the remote measurement number of reactive power compensator and regulator everywhere is obtained by power line carrier or RS485 communication modules
According to.The voltage of whole distribute-electricity transformer district and idle situation are analyzed according to above- mentioned information, it is best to consider loss minimization, quality of voltage
Deng indices, optimization object function is chosen, it is determined that optimal control strategy, and control command is sent to idle benefit everywhere
Repay device and regulator.Meanwhile intelligent distribution transformer terminals by the electric energy quality monitoring data and reactive power compensator of distribute-electricity transformer district,
After regulator running status collects, server host is uploaded to by GPRS interfaces.
In above-mentioned technical proposal, each reactive power compensator include local electric energy quality monitoring module, fling-cut switch,
Capacitor bank, Power Line Carrier Communication Module and RS485 communication modules；The output end of the local electric energy quality monitoring module connects
Connect the COM1 of the Power Line Carrier Communication Module and RS485 communication modules, the Power Line Carrier Communication Module and
The COM1 of RS485 communication modules connects the control terminal of the fling-cut switch, and the fling-cut switch connection controls the electric capacity
The operation of device group.
Reactive power compensator is respectively concentrated installed in power distribution station, is grouped, end compensation node, monitors local electric energy matter
Amount, intelligent distribution transformer terminals are uploaded to by Monitoring Data by communication interface, while receive the instruction of intelligent distribution transformer terminals, pass through throwing
Cut the operation for closing control capacitor bank.
In above-mentioned technical proposal, each regulator include local electric energy quality monitoring module, load ratio bridging switch,
Adjustable transformer, Power Line Carrier Communication Module and RS485 communication modules；The output end of the local electric energy quality monitoring module
Connect the COM1 of the Power Line Carrier Communication Module and RS485 communication modules, the Power Line Carrier Communication Module and
The COM1 of RS485 communication modules connects the control terminal of the load ratio bridging switch, load ratio bridging switch control pressure regulation transformation
The operation of device.
Regulator is arranged on the distribution line of power distribution station, monitors the local quality of power supply, Monitoring Data is passed through logical
Letter interface is uploaded to intelligent distribution transformer terminals, while receives the instruction of intelligent distribution transformer terminals, and pressure regulation is controlled by load ratio bridging switch
The operation of transformer.
Because above-mentioned technical proposal is used, the utility model has following advantages compared with prior art：
The utility model is by setting server host and intelligent distribution transformer terminals, and in reactive power compensator and regulator
Middle setting communication module, the voltage of Overall Acquisition power distribution station and idle information, to the reactive power compensator and tune of power distribution station
Pressure device carries out global optimization control, overcomes single-point operation, disperses the shortcomings that regulation and control, can improve power factor, reduce idle
Load flows into power network, reduces the demand of apparent energy, reduces the loss of distribution transformer and distribution line, improves allocated radio
The rate of qualified voltage in area, ensure the power quality of user, there is significant economic benefit and social benefit.
Brief description of the drawings
Fig. 1 is the structural representation of reactive voltage intelligent control system in distribute-electricity transformer district in the utility model embodiment.
Embodiment
Below in conjunction with the accompanying drawings and embodiment is further described to the utility model：
Embodiment：A kind of distribute-electricity transformer district reactive voltage intelligent control system, concrete structure as shown in Figure 1, by servicing
Device main frame, intelligent distribution transformer terminals, some reactive power compensators, some regulators composition.Server host passes through GPRS-VPN
Special wireless network interface is connected with intelligent distribution transformer terminals.Intelligent distribution transformer terminals pass through line carrier communication interface or RS485
Communication interface is connected with reactive power compensator and regulator.
Server host is arranged on grid company computer room, and software uses B/S structures, and web application includes data, services
Module, display module, communication module.Server host obtains the upper of intelligent distribution transformer terminals by GPRS-VPN special wireless networks
Information is passed, shows that the electric energy quality monitoring data of distribute-electricity transformer district and reactive power compensator, regulator run shape by WEB page
State, while store data in database, user can inquire about current and historical data.
Intelligent distribution transformer terminals are arranged on distribution transformer low-pressure side, including distribution transformer electric energy quality-monitoring module, reactive voltage
Control module, GPRS communication modules, Power Line Carrier Communication Module and RS485 communication modules.Intelligent distribution transformer terminals use ARM
Cortex embeded processors, voltage, electric current, power of distribution low-voltage side etc. are monitored by transformer, while pass through power line
Carrier wave or RS485 communication modules obtain the telemetry of reactive power compensator and regulator everywhere.Analyzed according to above- mentioned information
The voltage of whole distribute-electricity transformer district and idle situation, consider loss minimization, the quality of voltage indices such as preferably, choose optimization
Object function, it is determined that optimal control strategy, and control command is sent to reactive power compensator and regulator everywhere.Together
When, intelligent distribution transformer terminals converge the electric energy quality monitoring data and reactive power compensator of distribute-electricity transformer district, regulator running status
The General Logistics Department, server host is uploaded to by GPRS interfaces.RS485 communication modules use Phototube Coupling, have open circuit, short circuit, mistake
Stream and overvoltage protection.Power Line Carrier Communication Module uses OFDM multiplexing technologies, has a frame relay feature, and traffic rate is adaptive
Should.
Reactive power compensator is arranged on each compensation point in power distribution station, including local electric energy quality monitoring module, fling-cut switch,
Capacitor bank, Power Line Carrier Communication Module and RS485 communication modules.Electric energy quality monitoring module therein, power line carrier
Communication module and RS485 communication modules are identical with intelligent distribution transformer terminals.The local voltage of reactive power compensator monitoring, electric current, work(
Rate etc., Monitoring Data is uploaded to intelligent distribution transformer terminals by power line carrier or RS485 communication interfaces, while receives intelligence and match somebody with somebody
The telecommand of transformer terminals, by common benefit or in a manner of dividing benefit by device with Capacitor Switched by Compound Switch group.
Regulator is arranged on the distribution line of power distribution station, including local electric energy quality monitoring module, loaded tap-off are opened
Pass, adjustable transformer, Power Line Carrier Communication Module and RS485 communication modules.Electric energy quality monitoring module therein, power line
Carrier communication module and RS485 communication modules are identical with intelligent distribution transformer terminals.The local voltage of regulator monitoring, electric current, work(
Rate etc., intelligent distribution transformer terminals are uploaded to by power line carrier or RS485 communication interfaces, while receive the distant of intelligent distribution transformer terminals
Control instruction, the gear of adjustable transformer is adjusted by load ratio bridging switch.
Claims (5)
1. a kind of distribute-electricity transformer district reactive voltage intelligent control system, including some reactive power compensators, some regulators, its
It is characterised by：Power Line Carrier Communication Module or RS485 communication modules, the regulator are provided with the reactive power compensator
In be provided with Power Line Carrier Communication Module or RS485 communication modules, it is whole that control system also includes server host, intelligent distribution transforming
End；The server host is connected by GPRS-VPN special wireless networks interface with intelligent distribution transformer terminals；The intelligent distribution transforming
Terminal is connected by line carrier communication interface or RS485 communication interfaces with the reactive power compensator and regulator；Institute
State and distribution transformer electric energy quality-monitoring module is provided with intelligent distribution transformer terminals, the distribution transformer electric energy quality-monitoring module is connected to step-down
Side is pressed, the power quality data of distribution low-voltage side is obtained and exports to the control chip of intelligent distribution transformer terminals.
2. reactive voltage intelligent control system in distribute-electricity transformer district according to claim 1, it is characterised in that：The server
Main frame is connected to internet through network interface.
3. reactive voltage intelligent control system in distribute-electricity transformer district according to claim 1, it is characterised in that：The intelligence is matched somebody with somebody
Transformer terminals are by distribution transformer electric energy quality-monitoring module, reactive power/voltage control module, GPRS communication modules, Power Line Carrier Communication Module
Formed with RS485 communication modules, contain control chip, the distribution transformer electric energy quality-monitoring mould in the reactive power/voltage control module
Block includes transformer, and the output port of distribution transformer electric energy quality-monitoring module is connected to the control chip, the GPRS communications mould
The input/output interface of block, Power Line Carrier Communication Module and RS485 communication modules respectively with the control chip is connected.
4. reactive voltage intelligent control system in distribute-electricity transformer district according to claim 1, it is characterised in that：Each nothing
Reactive power compensation installations include local electric energy quality monitoring module, fling-cut switch, capacitor bank, Power Line Carrier Communication Module and
RS485 communication modules；The output end of the local electric energy quality monitoring module connect the Power Line Carrier Communication Module and
The COM1 of RS485 communication modules, the Power Line Carrier Communication Module connect institute with the COM1 of RS485 communication modules
The control terminal of fling-cut switch is stated, the fling-cut switch connection controls the operation of the capacitor bank.
5. reactive voltage intelligent control system in distribute-electricity transformer district according to claim 1, it is characterised in that：Each tune
Pressure device include local electric energy quality monitoring module, load ratio bridging switch, adjustable transformer, Power Line Carrier Communication Module and
RS485 communication modules；The output end of the local electric energy quality monitoring module connect the Power Line Carrier Communication Module and
The COM1 of RS485 communication modules, the Power Line Carrier Communication Module connect institute with the COM1 of RS485 communication modules
The control terminal of load ratio bridging switch is stated, load ratio bridging switch controls the operation of adjustable transformer.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2016210604765 | 2016-09-19 | ||
| CN201621060476 | 2016-09-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207218253U true CN207218253U (en) | 2018-04-10 |
Family
ID=61821819
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201721202218.0U Expired - Fee Related CN207218253U (en) | 2016-09-19 | 2017-09-19 | Distribute-electricity transformer district reactive voltage intelligent control system |
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| CN (1) | CN207218253U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108711856A (en) * | 2018-05-28 | 2018-10-26 | 宁波功成电气有限公司 | A kind of comprehensive power quality processing unit |
| CN109560608A (en) * | 2018-10-31 | 2019-04-02 | 国网浙江省电力有限公司电力科学研究院 | A kind of intelligent managing and control system of distributed photovoltaic access power distribution network |
| CN109831028A (en) * | 2018-12-30 | 2019-05-31 | 国网浙江省电力有限公司电力科学研究院 | A kind of power distribution network low-voltage intelligence control system |
| CN110601214A (en) * | 2019-10-30 | 2019-12-20 | 国网浙江浦江县供电有限公司 | Distribution network reactive voltage governance monitoring system |
| CN112653117A (en) * | 2021-01-11 | 2021-04-13 | 江苏英仕全通讯科技有限公司 | Intelligent direct-current power distribution system |
-
2017
- 2017-09-19 CN CN201721202218.0U patent/CN207218253U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108711856A (en) * | 2018-05-28 | 2018-10-26 | 宁波功成电气有限公司 | A kind of comprehensive power quality processing unit |
| CN109560608A (en) * | 2018-10-31 | 2019-04-02 | 国网浙江省电力有限公司电力科学研究院 | A kind of intelligent managing and control system of distributed photovoltaic access power distribution network |
| CN109831028A (en) * | 2018-12-30 | 2019-05-31 | 国网浙江省电力有限公司电力科学研究院 | A kind of power distribution network low-voltage intelligence control system |
| CN110601214A (en) * | 2019-10-30 | 2019-12-20 | 国网浙江浦江县供电有限公司 | Distribution network reactive voltage governance monitoring system |
| CN112653117A (en) * | 2021-01-11 | 2021-04-13 | 江苏英仕全通讯科技有限公司 | Intelligent direct-current power distribution system |
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