CN201910637U - Renewable energy storage and gird intelligent peak-shaving system - Google Patents
Renewable energy storage and gird intelligent peak-shaving system Download PDFInfo
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- CN201910637U CN201910637U CN2010206868053U CN201020686805U CN201910637U CN 201910637 U CN201910637 U CN 201910637U CN 2010206868053 U CN2010206868053 U CN 2010206868053U CN 201020686805 U CN201020686805 U CN 201020686805U CN 201910637 U CN201910637 U CN 201910637U
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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
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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
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/70—Smart grids as climate change mitigation technology in the energy generation sector
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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
- Y02E70/00—Other energy conversion or management systems reducing GHG emissions
- Y02E70/30—Systems combining energy storage with energy generation of non-fossil origin
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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
- 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
- Y04S10/12—Monitoring or controlling equipment for energy generation units, e.g. distributed energy generation [DER] or load-side generation
- Y04S10/123—Monitoring or controlling equipment for energy generation units, e.g. distributed energy generation [DER] or load-side generation the energy generation units being or involving renewable energy sources
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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
- 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
- Y04S20/12—Energy storage units, uninterruptible power supply [UPS] systems or standby or emergency generators, e.g. in the last power distribution stages
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Supply And Distribution Of Alternating Current (AREA)
Abstract
The utility model discloses a renewable energy storage and gird intelligent peak-shaving system, aiming at effectively storing renewable energies so as to balance grid loads. The renewable energy storage and gird intelligent peak-shaving system is provided with natural energy conversion devices; the renewable energies are converted into electric energy by the natural energy conversion devices; the electric energy is charged into an iron-nickel battery energy storage system by a multifunctional charging device; the peak-shaving controller inputs energy stored by the iron-nickel battery energy storage system into a grid or loads for directly utilizing power by an inverse frequency modulation device and a transformer; and the natural energy conversion devices are assemblies for utilizing wind energy, solar energy, sea energy and geothermal energy to generate power. Compared with the prior art, in the renewable energy storage and gird intelligent peak-shaving system, the renewable energies are stored in the iron-nickel battery energy storage system and is supplied to the grid for balancing the loads when no natural energies are supplied or the loads in the grid need to be adjusted, and the gird intelligent peak-shaving system formed by the iron-nickel battery energy storage system is environmentally-friendly, clean and practical, and has the characteristics of safety, high efficiency, compact occupied area, durability, applicability and lower cost.
Description
Technical field:
The utility model relates to a kind of peak load regulation network system that has energy storage device, particularly a kind of peak load regulation network system that has energy storage device that utilizes the renewable energy resources.
Background technology:
Current, countries in the world will reduce carbon emission and the control greenhouse gas are mentioned suitable height.Look about the whole world, the utilization of regenerative resource, the emerging clean energy resource as various countries substitutes coal, fry dried food ingredients electricity, and has been the fast development situation.In order to reduce carbon emission, satisfy the demand of people's life to electric power, utilizing of increasing regenerative resource is extremely urgent.The oil of prior art, coal, water energy-accumulating power station, the cost height, contaminated environment, start-stop time is long, can not in time be used for peak load regulation network.The water power energy-accumulating power station is used for peak regulation, operational resource-constrained.Lead acid accumulator is owing to there is lead contamination, and its battery capacity is low, the life-span short, should not use as new forms of energy peak regulation system.High power capacity Hawkins cell gravimetric specific energy has been broken through 60wh/kg, electric energy can be stored wherein in large quantities with impayable cost performance, and the Hawkins cell environmental protection, safe, durable, cost is low, memory-less effect, can become the optimal selection of energy storage device and peak load regulation network.
Summary of the invention
The purpose of this utility model provides that a kind of regenerative resource stores and electrical network intelligence peak regulation system, and the technical problem that solve is a storage of renewable energy effectively, with balancing power network load.
The utility model is by the following technical solutions: a kind of regenerative resource stores and electrical network intelligence peak regulation system, be provided with the natural energy resources conversion equipment, regenerative resource converts electric energy to through the natural energy resources conversion equipment, electric energy charges into the Hawkins cell energy-storage system through multifunction charging device, and the peak regulation controller is imported the energy of Hawkins cell energy-storage system storage electrical network or directly used electric loading through inversion frequency modulation device, transformer; Described natural energy resources conversion equipment is wind-driven generator, solar cell, power generation with marine energy assembly, geothermal energy electrification component.
Electric energy of the present utility model charges into the Hawkins cell energy-storage system through natural energy resources controller, multifunction charging device; Described peak regulation controller is imported electrical network with the energy of Hawkins cell energy-storage system storage through inversion frequency modulation device, inversion o controller, transformer, detection protective device
Regenerative resource of the present utility model stores and electrical network intelligence peak regulation system is provided with detection Surveillance center, and its work to natural energy resources controller, multifunction charging device, Hawkins cell energy-storage system, peak regulation controller, inversion o controller and detection protective device is monitored.
Natural energy resources controller of the present utility model is made up of an above contactor and current foldback circuit, is arranged in the control cubicle, is used to be switched on or switched off the controller of natural energy resources conversion equipment and multifunction charging device.
Multifunction charging device of the present utility model is converted to the direct current of rechargeable battery with charging current, is provided with overcurrent, overvoltage, under-voltage, over-temperature protection device.
Hawkins cell energy-storage system of the present utility model adopts the Hawkins cell group, and the Hawkins cell group composes in parallel energy storage Hawkins cell unit after being connected by an above monomer Hawkins cell again, and iron nickel cell is the energy-storage battery of thousands of ampere-hours.
Peak regulation controller of the present utility model is an above contactor that is arranged in the control cubicle, the Hawkins cell output unit of a termination Hawkins cell energy-storage system often left by contactor, the other end inserts the input of inversion frequency modulation device, and the control coil of contactor is according to the control command energising and the outage that detect Surveillance center.
Inversion frequency modulation device of the present utility model is used for the direct current of circuit input is transformed to and electrical network same frequency, synchronous three-phase or single-phase alternating current.
Inversion o controller of the present utility model adopts A.C. contactor, and the control coil of A.C. contactor is according to the control command energising and the outage that detect Surveillance center.
Detection protective device of the present utility model is the protection switch cabinet with isolated high-voltage power supply, is provided with high-tension fuse, lightning arrester, charged display unit.
The utility model compared with prior art, regenerative resource, natural energy resources are stored in the Hawkins cell energy-storage system, provide or network load need adjust the time at no natural energy resources, electric energy in the Hawkins cell energy-storage system is offered the grid balance load, the environmental protection of electrical network intelligence peak regulation system, cleaning, practicality that the Hawkins cell energy-storage system constitutes, have safety, efficient, take up an area of compactly, durable be suitable for, characteristics that cost is lower.
Description of drawings
Fig. 1 is a system block diagram of the present utility model.
Fig. 2 is the structural representation of the utility model embodiment.
Fig. 3 is charging energy storage and the control output schematic diagram of the utility model embodiment.
Embodiment
Below in conjunction with drawings and Examples the utility model is described in further detail.As shown in Figure 1; regenerative resource of the present utility model stores and electrical network intelligence peak regulation system; regenerative resource converts electric energy to through the natural energy resources conversion equipment; electric energy charges into the Hawkins cell energy-storage system through natural energy resources controller JN, multifunction charging device, and peak regulation controller KN imports the energy of Hawkins cell energy-storage system storage electrical network or directly uses electric loading through inversion frequency modulation device, inversion o controller DN, transformer, detection protective device EN.Detecting Surveillance center monitors the work of natural energy resources controller JN, multifunction charging device, Hawkins cell energy-storage system, peak regulation controller KN, inversion o controller DN and detection protective device EN.
Detect Surveillance center and detect voltage or electric current from the operation electrical network; convert out the electric energy of wanting compensation network; send control command; start peak regulation controller KN; energy input inversion frequency modulation device with the storage of Hawkins cell energy-storage system; boost through inversion o controller DN input transformer, protective device EN is sent to peak load regulation network after testing at last again.Detection Surveillance center adopts computer monitoring natural energy resources controller JN, inversion o controller DN and detects protective device EN, and arbitrary main circuit occurs unusually in this three part, and this three parts power supply is cut off in control respectively.
As shown in Figure 2, the natural energy resources conversion equipment is wind-driven generator, solar cell, power generation with marine energy assembly, geothermal energy electrification component, electric energy by conversion of natural energy resources conversion equipment and output, be transformed to the power supply that conforms to the Hawkins cell energy-storage system through multifunction charging device, the Hawkins cell energy-storage system is charged.
The natural energy resources controller is the controller switches that is switched on or switched off natural energy resources conversion equipment and multifunction charging device, is made up of an above contactor and current foldback circuit, is arranged in the control cubicle, by the unlatching and the closure that detect Surveillance center's control contactor.When abnormal conditions appear in certain charging circuit, current foldback circuit can disconnect this circuit.
Multifunction charging device is converted to the direct current of rechargeable battery with charging current, is provided with overcurrent, overvoltage, under-voltage, over-temperature protection device simultaneously, by detecting Surveillance center's control.When charging circuit takes place when unusual, detect Surveillance center's control multifunction charging device and cut off charge power supply.Described detection Surveillance center shows the charge condition of each road charging device battery, and is controlled to charging simultaneously.
It is the Hawkins cell group of high power capacity, extra long life that the Hawkins cell energy-storage system adopts battery, the Hawkins cell group composes in parallel energy storage Hawkins cell unit after being connected by an above monomer Hawkins cell again, iron nickel cell is the energy storage Hawkins cell of thousands of ampere-hours, 15%～20% of electric flux 〉=natural energy resources conversion equipment installed capacity that the Hawkins cell energy-storage system stores, and peak regulation time 〉=4 hour.
The peak regulation controller is an above contactor in the control cubicle, this contactor is often opened the Hawkins cell output unit of a termination Hawkins cell energy-storage system, the other end inserts the input of inversion frequency modulation device, and the control coil of contactor is according to the control command energising and the outage that detect Surveillance center.The control command of a plurality of peak regulation control contactors is from detecting the feedback data of Surveillance center after the electrical network detection computations in the peak regulation controller control cubicle, according to the electric energy that need compensate greater than computing of electrical network pressure reduction or load rated power, send the battery unit that instruction starting peak regulation control contactor is connected the Hawkins cell energy-storage system by detecting Surveillance center.
The inversion frequency modulation device is that the direct current that circuit is imported is transformed to and electrical network same frequency, synchronous three-phase or single-phase alternating current.
The inversion o controller adopts A.C. contactor, and the control coil of A.C. contactor is according to the control command energising and the outage that detect Surveillance center.The inversion o controller inserts transformer with the alternating current control of inversion frequency modulation device output, the inversion o controller is by detecting control centre's control, detect control centre and monitor inversion o controller output voltage, frequency, phase place situation simultaneously, if circuit abnormal, may command inversion o controller disconnects.
The alternating current that transformer will be imported this transformer is transformed to and is input to electrical network after the voltage of electrical network is consistent.
Detecting protective device is the protection switch cabinet with isolated high-voltage power supply, is provided with high-tension fuse, lightning arrester, charged display unit, has the function that guarantees safety inspection and protection transformer.Described detection protective device provides the feedback data of operation of power networks load condition simultaneously, and input detects Surveillance center's computational analysis.
The utility model has following 5 kinds of mode of operations:
1, battery energy storage pattern
Regenerative resource storage and electrical network intelligence peak regulation system can be regarded as the battery energy storage system of an independent completion in described regenerative resource storage and electrical network intelligence peak regulation system.The charging device of described battery and energy-storage system is because of possessing the battery unit electric weight and be full of automatic outage and battery unit short of electricity amount being recovered charge function automatically, thereby, as long as it is normal to observe described battery energy storage system energy storage, entire cell energy-storage system electric weight can keep the Full Charge Capacity state at any time.Also disconnection that can be artificial and connect certain battery unit or entire cell energy-storage system power supply.When detection Surveillance center did not send the peak regulation signal, the contactor K1-KN of peak regulation controller was in normally open, and whole system is in the operation conditions of protecting electric weight.
2, charging and energy storage pattern
Regenerative resource stores and electrical network intelligence peak regulation system, and its charging and energy storage mode take many charging devices that a plurality of battery units are charged simultaneously.
As shown in Figure 3, according to the peak regulation precision, if adjust at electrical network rated voltage ± 10%, through measuring and calculating, its basic battery unit can number in parallel at least at 4 more than the battery unit, the design multifunction charging device should satisfy the above charge power of 4 battery units.
3, peak load regulation network pattern
When detecting control centre; when the network load index of acquisition detection protective device feedback needs the compensation network pressure drop; after detecting Surveillance center's computing, send the instruction of starting peak regulation controller; and connection Hawkins cell energy-storage system respective battery unit; input inversion frequency modulation device obtains to conform to the electrical network phase place; behind the alternating current of frequency unanimity; start the inversion o controller by detecting Surveillance center; it is often opened D1-DN and becomes normally closed; the electric energy input transformer; voltage; phase place; when frequency is consistent with electrical network; the detection protective device is connected, and high-voltage switch gear EN closure is imported electrical network with electric energy.Big when the power that will import peak load regulation network, when exceeding separate unit inversion frequency modulation device capacity, can design many inversion frequency modulation devices in parallel and work in the lump.
4, peak regulation controller mode of operation
Detect the wave amplitude of Surveillance center, compare with preset voltage from the electrical network feedback.Described preset voltage is to change by pressure reduction in the electrical network to be divided into " some " grades, and some grades depend on this grid peak regulation required precision setting, realize access queries by the design software programming, select to connect the peak regulation controller.Owe the electricity visit once visiting the peak regulation controller of successfully connecting, no longer accepting, and only accepted the electricity visit.Describedly cross the electricity visit, refer to exceed line voltage+5%～+ 10% and begin acceptance (specifically select and decide) when above.The instruction that its visit is successful is sent certain peak regulation controller of disconnection by detecting control centre, has both disconnected the battery power of this peak regulation controller input inversion frequency modulation device.This is partly debugged with the software design exploitation and finishes in the lump, realizes electrical network intelligent management pattern substantially.In the described peak regulation pattern, energy-storage battery electric weight 5%～10% o'clock, but described detection this road of the automatic disconnection peak regulation controller KN of control centre.
5, system-down pattern
Regenerative resource stores and electrical network intelligence peak regulation system, and unusual condition takes place when the battery energy storage pattern, disconnects the charging circuit power supply voluntarily by multifunction charging device, also can artificially disconnect the natural energy resources controller, makes system enter the shutdown mode of operation.When the peak load regulation network pattern; when circuit system breaks down; can be by detecting the at first high-voltage switch gear of disconnection detection protective device of Surveillance center; disconnect the peak regulation controller again; disconnect inversion o controller and natural energy resources controller at last, make regenerative resource storage and electrical network intelligence peak regulation system enter shutdown mode.
Claims (10)
1. a regenerative resource stores and electrical network intelligence peak regulation system, it is characterized in that: described regenerative resource stores and electrical network intelligence peak regulation system is provided with the natural energy resources conversion equipment, regenerative resource converts electric energy to through the natural energy resources conversion equipment, electric energy charges into the Hawkins cell energy-storage system through multifunction charging device, and the peak regulation controller is imported the energy of Hawkins cell energy-storage system storage electrical network or directly used electric loading through inversion frequency modulation device, transformer; Described natural energy resources conversion equipment is wind-driven generator, solar cell, power generation with marine energy assembly, geothermal energy electrification component.
2. regenerative resource according to claim 1 stores and electrical network intelligence peak regulation system, and it is characterized in that: described electric energy charges into the Hawkins cell energy-storage system through natural energy resources controller, multifunction charging device; Described peak regulation controller is imported electrical network with the energy of Hawkins cell energy-storage system storage through inversion frequency modulation device, inversion o controller, transformer, detection protective device.
3. regenerative resource according to claim 2 stores and electrical network intelligence peak regulation system; it is characterized in that: described regenerative resource stores and electrical network intelligence peak regulation system is provided with detection Surveillance center, and its work to natural energy resources controller, multifunction charging device, Hawkins cell energy-storage system, peak regulation controller, inversion o controller and detection protective device is monitored.
4. regenerative resource according to claim 3 stores and electrical network intelligence peak regulation system; it is characterized in that: described natural energy resources controller is made up of an above contactor and current foldback circuit; be arranged in the control cubicle, be used to be switched on or switched off the controller of natural energy resources conversion equipment and multifunction charging device.
5. regenerative resource according to claim 4 stores and electrical network intelligence peak regulation system, it is characterized in that: described multifunction charging device is converted to the direct current of rechargeable battery with charging current, is provided with overcurrent, overvoltage, under-voltage, over-temperature protection device.
6. regenerative resource according to claim 5 stores and electrical network intelligence peak regulation system, it is characterized in that: described Hawkins cell energy-storage system adopts the Hawkins cell group, the Hawkins cell group composes in parallel energy storage Hawkins cell unit after being connected by an above monomer Hawkins cell again, and iron nickel cell is the energy-storage battery of thousands of ampere-hours.
7. regenerative resource according to claim 6 stores and electrical network intelligence peak regulation system, it is characterized in that: described peak regulation controller is an above contactor that is arranged in the control cubicle, the Hawkins cell output unit of a termination Hawkins cell energy-storage system often left by contactor, the other end inserts the input of inversion frequency modulation device, and the control coil of contactor is according to the control command energising and the outage that detect Surveillance center.
8. regenerative resource according to claim 7 stores and electrical network intelligence peak regulation system, it is characterized in that: described inversion frequency modulation device is used for the direct current of circuit input is transformed to and electrical network same frequency, synchronous three-phase or single-phase alternating current.
9. regenerative resource according to claim 8 stores and electrical network intelligence peak regulation system, and it is characterized in that: described inversion o controller adopts A.C. contactor, and the control coil of A.C. contactor is according to the control command energising and the outage that detect Surveillance center.
10. regenerative resource according to claim 9 stores and electrical network intelligence peak regulation system, and it is characterized in that: described detection protective device is the protection switch cabinet with isolated high-voltage power supply, is provided with high-tension fuse, lightning arrester, charged display unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206868053U CN201910637U (en) | 2010-12-29 | 2010-12-29 | Renewable energy storage and gird intelligent peak-shaving system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206868053U CN201910637U (en) | 2010-12-29 | 2010-12-29 | Renewable energy storage and gird intelligent peak-shaving system |
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| CN201910637U true CN201910637U (en) | 2011-07-27 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104701880A (en) * | 2015-02-17 | 2015-06-10 | 国家电网公司 | Method for calculating maximum photovoltaic capacity accepted by power grid based on peak regulation constraint |
| EP2823546A4 (en) * | 2012-02-16 | 2016-02-10 | Spyros Lazaris | System and method for managing the generation, transmission and distribution of power |
| US9973002B2 (en) | 2012-02-16 | 2018-05-15 | Spyros James Lazaris | Dynamic demand response in a renewable energy-based electricity grid infrastructure |
| CN109904865A (en) * | 2019-03-04 | 2019-06-18 | 曹麾 | High-voltage distribution network peak load balance intelligence control main system |
| CN111181247A (en) * | 2020-01-14 | 2020-05-19 | 云南电力技术有限责任公司 | System and method for restarting power distribution automation terminal |
-
2010
- 2010-12-29 CN CN2010206868053U patent/CN201910637U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2823546A4 (en) * | 2012-02-16 | 2016-02-10 | Spyros Lazaris | System and method for managing the generation, transmission and distribution of power |
| US9973002B2 (en) | 2012-02-16 | 2018-05-15 | Spyros James Lazaris | Dynamic demand response in a renewable energy-based electricity grid infrastructure |
| CN104701880A (en) * | 2015-02-17 | 2015-06-10 | 国家电网公司 | Method for calculating maximum photovoltaic capacity accepted by power grid based on peak regulation constraint |
| CN109904865A (en) * | 2019-03-04 | 2019-06-18 | 曹麾 | High-voltage distribution network peak load balance intelligence control main system |
| CN109904865B (en) * | 2019-03-04 | 2024-04-26 | 曹麾 | Intelligent peak-valley load balance management and control main system of high-voltage distribution network |
| CN111181247A (en) * | 2020-01-14 | 2020-05-19 | 云南电力技术有限责任公司 | System and method for restarting power distribution automation terminal |
| CN111181247B (en) * | 2020-01-14 | 2023-05-26 | 云南电力技术有限责任公司 | Power distribution automation terminal restarting system and method |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110727 Termination date: 20181229 |