CN107230995A - A kind of intelligent substation micro-grid system - Google Patents
A kind of intelligent substation micro-grid system Download PDFInfo
- Publication number
- CN107230995A CN107230995A CN201710477380.1A CN201710477380A CN107230995A CN 107230995 A CN107230995 A CN 107230995A CN 201710477380 A CN201710477380 A CN 201710477380A CN 107230995 A CN107230995 A CN 107230995A
- Authority
- CN
- China
- Prior art keywords
- energy
- micro
- storage
- electricity generation
- module
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000004146 energy storage Methods 0.000 claims abstract description 74
- 230000005611 electricity Effects 0.000 claims abstract description 37
- 238000012544 monitoring process Methods 0.000 claims abstract description 27
- 238000007599 discharging Methods 0.000 claims abstract description 4
- 238000007667 floating Methods 0.000 claims abstract description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 6
- 238000009825 accumulation Methods 0.000 claims description 6
- 229910052799 carbon Inorganic materials 0.000 claims description 6
- 238000003860 storage Methods 0.000 claims description 6
- 238000004891 communication Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 description 3
- 238000013459 approach Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000006855 networking Effects 0.000 description 2
- 230000005622 photoelectricity Effects 0.000 description 2
- 230000033228 biological regulation Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002580 esophageal motility study Methods 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000007634 remodeling Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/28—Arrangements for balancing of the load in a network by storage of energy
- H02J3/32—Arrangements for balancing of the load in a network by storage of energy using batteries with converting means
-
- H02J3/386—
-
- 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
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
- Y02E10/56—Power conversion systems, e.g. maximum power point trackers
-
- 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
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/76—Power conversion electric or electronic aspects
-
- 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
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P80/00—Climate change mitigation technologies for sector-wide applications
- Y02P80/10—Efficient use of energy, e.g. using compressed air or pressurized fluid as energy carrier
- Y02P80/14—District level solutions, i.e. local energy networks
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Supply And Distribution Of Alternating Current (AREA)
Abstract
A kind of intelligent substation micro-grid system, including：Energy-storage system and electricity generation system, micro-capacitance sensor central control unit；The micro-capacitance sensor central control unit, is connected with electricity generation system and energy-storage system, and the electric energy of electricity generation system is sent into energy-storage system；The electricity generation system includes at least including one in photovoltaic generating system and wind generator system；The energy-storage system includes：If EMS and energy-storage system administrative unit, dry cell on-line monitoring module, battery pack end monitoring modular and energy-storage battery group；The EMS, is connected with energy-storage system administrative unit；Energy-storage system administrative unit, is connected with micro-capacitance sensor central control unit, receives the control command of micro-capacitance sensor central control unit；Battery pack end monitoring modular, is connected with energy-storage system administrative unit, monitors the charging and discharging currents, floating current, total voltage of energy-storage battery group.
Description
Technical field
The present invention relates to micro-capacitance sensor technical field, more particularly to a kind of intelligent substation micro-grid system.
Background technology
Micro-capacitance sensor became the focus studied both at home and abroad in recent years, and this kind of power network effectively can dissolve distributed energy nearby
The electric energy that source is sent, it is not necessary to remote long-distance power transmission and distribution, therefore the utilization rate of electric energy can be greatly improved, realization is sent out nearby
Electric electricity consumption nearby.And with the continuous progress of distributed generation technology, the development that micro-capacitance sensor becomes following power network becomes
Gesture.
China Patent Publication No. CN203423531 U, publication date 2014 year 2 month 5 days, the entitled photoelectricity of innovation and creation is built
Micro-capacitance sensor management system is built, this application case discloses photoelectricity building micro-capacitance sensor management system, and it includes photovoltaic square formation,
Two-way inverter is set between load and utility grid, the combining inverter being connected with photovoltaic square formation is connected in parallel on two-way inverse
Become the output end of device, two-way inverter is also connected with energy storage device, be integrated with photovoltaic, energy storage, city is electrical integrated recycles
Energy-optimised management system.It is disadvantageous in that the situation for only accounting for photovoltaic generation, fails to consider other forms of electricity generation
Electric energy processing scheme, and fail to be described further Managed Solution, be unfavorable for implementing for row industry personnel.
The content of the invention
Consider multiple power-generating approaches it is an object of the invention to failing of solving that above-mentioned prior art is present to be combined
The electric energy output problem of electricity generation system there is provided a kind of specific achievable intelligent substation micro-grid system.
The technical solution adopted for the present invention to solve the technical problems is：A kind of intelligent substation micro-grid system, including：
Energy-storage system and electricity generation system, micro-capacitance sensor central control unit；The micro-capacitance sensor central control unit, with electricity generation system and energy storage
System is connected, and the electric energy of electricity generation system is sent into energy-storage system；The electricity generation system includes at least including photovoltaic generating system
With one in wind generator system；The energy-storage system includes：EMS and energy-storage system administrative unit, Ruo Gan electricity
Pond on-line monitoring module, battery pack end monitoring modular and energy-storage battery group；The EMS, is managed with energy-storage system
Unit is connected；Energy-storage system administrative unit, is connected with micro-capacitance sensor central control unit, receives the control of micro-capacitance sensor central control unit
System order；Battery pack end monitoring modular, is connected with energy-storage system administrative unit, monitors the charging and discharging currents of energy-storage battery group, floats
Charging stream, total voltage；Energy-storage battery group includes some energy-storage batteries, is connected with battery pack end monitoring modular；Each energy-storage battery
Connected with corresponding battery pack end monitoring modular.
In the present invention, intelligent substation micro-grid system fusion straight-flow system and battery on-line monitoring, photovoltaic generation and wind
Power is generated electricity, and transformer station's AC/DC integrated power supply is combined with electricity generation system, integrated power supply battery conduct is made full use of
Energy-storage system, straight-flow system power module is substituted by energy storage two way convertor, and charge and discharge control is carried out to battery.Battery
Group discharge process keeps minimum SOC to be 50%（Or calculate rational proportion）, in case institute's electricity consumption straight-flow system safety utilization of electric power is ensured.It is micro-
Net central control unit realizes micro-capacitance sensor stable operation, complete under Voltage Stability Control under networking state, off-network state voltage and
FREQUENCY CONTROL；Multiple target multi-source and load coordinated control；Protection and emergent control, completion protection and smart machine coordination control,
Urgent quick response；Stability contorting takes over seamlessly with simultaneously off-network under grid-connected/off-network.
Preferably, battery pack end monitoring modular is connected by Hall current sensor with energy-storage battery group.
Preferably, the energy-storage battery is battery.
Preferably, the battery is lead carbon battery.
It is connected in series preferably, the energy-storage battery is used.
It is connected preferably, the energy-storage battery exports bus by energy accumulation current converter and electricity generation system.
In the present invention, the discharge and recharge of energy-storage battery is controlled by energy accumulation current converter.
Preferably, the wind generator system includes：Wind turbine module：Capture wind energy simultaneously converts wind energy into alternation
Electric energy, including wind power generating set, pylon, ground and cable；Cutting-in control module：It is built-in to export direct current and to exporting most
The rectification module that high voltage is limited, in addition to net-connected controller, dump load and cable；Inversion module：Including grid-connected inverse
Become device and cable, be connected with the rectification module, the DC inverter that rectification module is exported is into alternating current simultaneously feed-in power network；
Monitoring module：It is connected with Wind turbine module, cutting-in control module and inversion module, including long-distance monitorng device, communication
GPRS cards and cable.
In the present invention, wind-driven grid-connected generating is that wind energy is converted into AC energy, wind-force using wind power generating set
The amplitude of generator output, frequency unstable alternating current, are exported after controller is rectified into direct current to inverter,
Amplitude, frequency stable alternating current are converted into by inverter, after ammeter measuring, being fed directly into DC inverter is
AC380V, 50Hz three-phase alternating current.
The substantial effect of the present invention：Consider the electricity generation system that multiple power-generating approaches are combined mutually to tie with energy-storage system
The micro-grid system of conjunction, carries out charge and discharge control to energy-storage battery by energy accumulation current converter, passes through microgrid central control unit control
Voltage and frequency under networking state processed and under off-network state.When change power supply trouble used or maintenance, electric power system isolated network used
Operation, by electricity generation system and energy-storage system as system main power source, when load power consumption is more than system generated energy, by microgrid center
Control unit quickly carries out secondary load excision, it is ensured that the power supply of important load.After change service restoration used, electric power system used
Power network is connected to, micro-capacitance sensor off-network is realized to the switching of grid-connect mode, recovers all loads and powers.
Brief description of the drawings
Fig. 1 is a kind of system construction drawing of the invention.
In figure：1- electricity generation systems, 2- micro-capacitance sensor central control units, 3- energy-storage systems, 31- EMSs, 32- storages
Energy System Management Unit, 33- battery packs end monitoring modular, 34- Hall current sensors, 35- energy-storage batteries, 36- batteries are online
Monitoring modular, 4- energy accumulation current converters.
Embodiment
Below by specific embodiment, and with reference to accompanying drawing, technical scheme is described in further detail.
A kind of intelligent substation micro-grid system, as shown in figure 1, energy-storage system and electricity generation system, the control of micro-capacitance sensor center
Unit；The micro-capacitance sensor central control unit, is connected with electricity generation system and energy-storage system, and the electric energy of electricity generation system is sent into storage
Can system；The electricity generation system includes at least including one in photovoltaic generating system and wind generator system；The energy storage system
System includes：If EMS and energy-storage system administrative unit, dry cell on-line monitoring module, battery pack end monitoring modular with
And energy-storage battery group；The EMS, is connected with energy-storage system administrative unit；Energy-storage system administrative unit, with micro- electricity
Net central control unit is connected, and receives the control command of micro-capacitance sensor central control unit；Battery pack end monitoring modular, with energy storage system
Administrative unit of uniting connection, monitors the charging and discharging currents, floating current, total voltage of energy-storage battery group；Energy-storage battery group includes some
Energy-storage battery, is connected with battery pack end monitoring modular；Each energy-storage battery is connected with corresponding battery pack end monitoring modular.
Energy-storage battery is lead carbon battery, and battery pack end monitoring modular passes through first lead carbon electric power storage of Hall current sensor
Pond is connected, other lead carbon batteries each other using being connected in series, last lead carbon battery by energy accumulation current converter with
The output bus connection of electricity generation system.
Grid-connected period, the generating of micro-capacitance sensor electricity generation system only accounts for a part for plant stand electricity consumption, in off-network moment, each system that generates electricity
System and battery have little time regulation and exert oneself or can not also meet all station varying duty electricity consumptions even if all maximum elelctrochemical power generations, lead
Frequency is unable to maintain that in the LAN of enable source.For such case, microgrid central control unit is calculated in real time when being incorporated into the power networks
System power difference, and plan in the event of off-network, the plan of exerting oneself of each electricity generation system and battery feed, the switching of each load
Plan, once detection micro-capacitance sensor off-network, then be immediately performed and determined control plan.
1）Energy-storage system administrative unit detects line voltage reduction or received after off-network order, and detection stream is quickly opened excessively
The current peak or virtual value of pass.If the electric current for flowing through high-speed switch, which is more than, allows switching electric current threshold values, energy-storage system management
Unit refers to the deviation with grid-connected current as energy storage inverter output current reference instruction using current flow, in high-speed switch
Electric current on interconnection is reduced between micro-capacitance sensor and power network before shut-off as early as possible；
2）After energy-storage system administrative unit, which detects grid-connected current, is less than permission switching electric current threshold values, high-speed switch shut-off is assigned
Instruction, while energy-storage system administrative unit is controlled pattern switching, voltage control is switched to by current control.In micro-capacitance sensor fortune
In row mode handoff procedure, operated in all the time under current control mode from power supply.
After power system restoration is normal, micro-capacitance sensor needs to be incorporated into the power networks again.It should first ensure that before micro-grid connection operation quick
Voltage magnitude, the phase and frequency for switching both sides are equal, while should also reduce the rush of current after switching, it is specific independent to simultaneously
Network operation pattern seamless switching control logic is as follows：
1）Energy-storage system administrative unit detect line voltage it is normal after, the output voltage of controller is used as using current electric grid voltage
With reference to constantly adjusting its output makes the voltage-phase of high-speed switch both sides identical with amplitude；
2）After energy-storage system administrative unit, which detects high-speed switch both sides voltage, meets grid-connected conditions, high-speed switch combined floodgate is assigned
Instruction, while energy-storage system administrative unit is controlled pattern switching, current control is switched to by voltage control.In micro-capacitance sensor fortune
In row mode handoff procedure, operated in all the time under current control mode from power supply.After the completion of the switching of micro-capacitance sensor operational mode, root
Exerted oneself according to microgrid energy management system control energy storage distributed generation system of exerting oneself and increase.Micro-grid system passes through the 3rd institute
With the outer power supply for electrical equipment in industrial park and institute is changed into, realize that electric energy is shared.
The wind generator system includes：Wind turbine module：Capture wind energy simultaneously converts wind energy into alternate electric energy, including
Wind power generating set, pylon, ground and cable；Cutting-in control module：Built-in output direct current simultaneously enters to output ceiling voltage
The rectification module of row limitation, in addition to net-connected controller, dump load and cable；Inversion module：Including combining inverter and
Cable, is connected with the rectification module, and the DC inverter that rectification module is exported is into alternating current and feed-in power network；Monitor mould
Block：Be connected with Wind turbine module, cutting-in control module and inversion module, including long-distance monitorng device, communication GPRS cards with
And cable.
Combining inverter output alternating current is aggregated into low-voltage alternating-current switch cubicle, in parallel with the AC380V ends in electric substation, is
System is directly incorporated into the power networks using the output of 220/380VAC three-phase five-wire modes with switchgear house transformer secondary end.Wind power grid generates electricity
System has the defencive functions such as reverse-power protection, anti-isolated island, short circuit overcurrent, overvoltage, it is ensured that wind energy system is safe and reliable to generate electricity
It is incorporated into the power networks.The maximum total irregularity of wave form of output current is less than 5%, each harmonic containing ratio during system three-phase specified balanced load
Less than 3%.
Embodiment described above is a kind of preferably scheme of the present invention, not makees any formal limit to the present invention
System, also has other variants and remodeling on the premise of without departing from the technical scheme described in claim.
Claims (7)
1. a kind of intelligent substation micro-grid system, it is characterised in that including：Energy-storage system and electricity generation system, micro-capacitance sensor center
Control unit；The micro-capacitance sensor central control unit, is connected with electricity generation system and energy-storage system, and the electric energy of electricity generation system is transmitted
To energy-storage system；The electricity generation system includes at least including one in photovoltaic generating system and wind generator system；The storage
Energy system includes：If EMS and energy-storage system administrative unit, dry cell on-line monitoring module, battery pack end monitoring mould
Block and energy-storage battery group；The EMS, is connected with energy-storage system administrative unit；Energy-storage system administrative unit, with
Micro-capacitance sensor central control unit is connected, and receives the control command of micro-capacitance sensor central control unit；Battery pack end monitoring modular, with storage
Can System Management Unit connection, the charging and discharging currents of monitoring energy-storage battery group, floating current, total voltage；Energy-storage battery group includes
Some energy-storage batteries, are connected with battery pack end monitoring modular；Each energy-storage battery is connected with corresponding battery pack end monitoring modular.
2. a kind of intelligent substation micro-grid system according to claim 1, it is characterised in that the battery pack end monitoring
Module is connected by Hall current sensor with energy-storage battery group.
3. a kind of intelligent substation micro-grid system according to claim 2, it is characterised in that the energy-storage battery is storage
Battery.
4. a kind of intelligent substation micro-grid system according to claim 3, it is characterised in that the battery is lead carbon
Battery.
5. a kind of intelligent substation micro-grid system according to claim 4, it is characterised in that between the energy-storage battery
Using being connected in series.
6. a kind of intelligent substation micro-grid system according to claim 5, it is characterised in that the energy-storage battery passes through
Energy accumulation current converter and the output bus of electricity generation system are connected.
7. a kind of intelligent substation micro-grid system according to claim 1, it is characterised in that the wind generator system
Including：Wind turbine module：Capture wind energy and convert wind energy into alternate electric energy, including wind power generating set, pylon, ground with
And cable；Cutting-in control module：Built-in output direct current and the rectification module limited output ceiling voltage, in addition to simultaneously
Net controller, dump load and cable；Inversion module：Including combining inverter and cable, it is connected with the rectification module, will
The DC inverter of rectification module output is into alternating current and feed-in power network；Monitoring module：With Wind turbine module, cutting-in control mould
Block and inversion module connection, including long-distance monitorng device, communication GPRS cards and cable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710477380.1A CN107230995A (en) | 2017-06-22 | 2017-06-22 | A kind of intelligent substation micro-grid system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710477380.1A CN107230995A (en) | 2017-06-22 | 2017-06-22 | A kind of intelligent substation micro-grid system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107230995A true CN107230995A (en) | 2017-10-03 |
Family
ID=59935085
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710477380.1A Pending CN107230995A (en) | 2017-06-22 | 2017-06-22 | A kind of intelligent substation micro-grid system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107230995A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109193672A (en) * | 2018-10-11 | 2019-01-11 | 广西大学 | A kind of optimize cooperates with secondary voltage control method with control bilayer |
| CN111952979A (en) * | 2020-08-05 | 2020-11-17 | 广东电网有限责任公司 | Control method and control system for power utilization load in substation |
| CN113960362A (en) * | 2021-12-22 | 2022-01-21 | 深圳市聚能优电科技有限公司 | Early warning method, system, equipment and storage medium of energy storage EMS |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103441531A (en) * | 2013-09-10 | 2013-12-11 | 上海电力学院 | Area high-permeability photovoltaic energy storage system and energy management method thereof |
| CN207150185U (en) * | 2017-06-22 | 2018-03-27 | 国网浙江省电力公司嘉兴供电公司 | A kind of intelligent substation micro-grid system |
-
2017
- 2017-06-22 CN CN201710477380.1A patent/CN107230995A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103441531A (en) * | 2013-09-10 | 2013-12-11 | 上海电力学院 | Area high-permeability photovoltaic energy storage system and energy management method thereof |
| CN207150185U (en) * | 2017-06-22 | 2018-03-27 | 国网浙江省电力公司嘉兴供电公司 | A kind of intelligent substation micro-grid system |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109193672A (en) * | 2018-10-11 | 2019-01-11 | 广西大学 | A kind of optimize cooperates with secondary voltage control method with control bilayer |
| CN109193672B (en) * | 2018-10-11 | 2020-06-23 | 广西大学 | Optimization and control double-layer cooperative two-stage voltage control method |
| CN111952979A (en) * | 2020-08-05 | 2020-11-17 | 广东电网有限责任公司 | Control method and control system for power utilization load in substation |
| CN111952979B (en) * | 2020-08-05 | 2023-05-26 | 广东电网有限责任公司 | Method and system for controlling power consumption load in transformer substation |
| CN113960362A (en) * | 2021-12-22 | 2022-01-21 | 深圳市聚能优电科技有限公司 | Early warning method, system, equipment and storage medium of energy storage EMS |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104505867B (en) | Alternating current and direct current hybrid micro-grid system and control strategy thereof | |
| CN104281977B (en) | A kind of mixed type micro-capacitance sensor application platform and its control method | |
| CN102916481B (en) | A kind of energy management method of direct current micro-grid system | |
| CN106505551A (en) | A kind of light storage DC power-supply system based on cooperative control device | |
| CN105743127A (en) | Household new energy power generation intelligent control system and control method | |
| CN102624018A (en) | Distributed hybrid power supply intelligent grid system and control method | |
| CN103580264B (en) | Direct current micro-grid system with power supplied in looped network form | |
| CN105098941A (en) | Electrical vehicle charging two-way control system of taking power grid frequency stability into account and method | |
| CN107230995A (en) | A kind of intelligent substation micro-grid system | |
| CN108347067A (en) | A kind of microgrid framework and control method containing battery energy storage and generator | |
| CN101728835A (en) | Battery power energy storing device for smoothing output power of wind power generation | |
| CN207150185U (en) | A kind of intelligent substation micro-grid system | |
| CN204316103U (en) | A kind of alternating current-direct current mixing micro-grid system | |
| CN210608672U (en) | Wind-solar-electricity-storage communication base station standby power supply system capable of saving energy and reducing consumption | |
| CN207518285U (en) | A kind of substation photovoltaic grid-connecting apparatus | |
| CN210273512U (en) | Micro-grid control system | |
| CN208158135U (en) | A kind of microgrid framework containing battery energy storage and generator | |
| CN106026074A (en) | Low-voltage DC micro-grid experiment platform | |
| CN202817886U (en) | Uninterruptible power source | |
| CN205846720U (en) | A kind of low-voltage direct micro-capacitance sensor experiment porch | |
| CN110994605A (en) | Alternating current-direct current microgrid system | |
| CN112952895A (en) | Alternating current micro-grid based on forward and reverse direction impedance relay protection | |
| CN107612037A (en) | A kind of substation photovoltaic grid-connecting apparatus | |
| Rouyi et al. | System stability and its influencing factors analysis of the isolated wind-solar-diesel-battery hybrid micro-grid | |
| CN115842345B (en) | Energy router control method and energy router |
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: 20171003 |
|
| RJ01 | Rejection of invention patent application after publication |