CN203278254U - Large-scale energy storage system and monitoring platform thereof - Google Patents
Large-scale energy storage system and monitoring platform thereof Download PDFInfo
- Publication number
- CN203278254U CN203278254U CN2013202258930U CN201320225893U CN203278254U CN 203278254 U CN203278254 U CN 203278254U CN 2013202258930 U CN2013202258930 U CN 2013202258930U CN 201320225893 U CN201320225893 U CN 201320225893U CN 203278254 U CN203278254 U CN 203278254U
- Authority
- CN
- China
- Prior art keywords
- monitoring unit
- low pressure
- energy
- pressure controller
- energy storage
- 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.)
- Expired - Lifetime
Links
Images
Classifications
-
- 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
- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/16—Information or communication technologies improving the operation of electric vehicles
- Y02T90/167—Systems integrating technologies related to power network operation and communication or information technologies for supporting the interoperability of electric or hybrid vehicles, i.e. smartgrids as interface for battery charging of electric vehicles [EV] or hybrid vehicles [HEV]
-
- 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
- Y04S10/126—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 electric vehicles [EV] or hybrid vehicles [HEV], i.e. power aggregation of EV or HEV, vehicle to grid arrangements [V2G]
-
- 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
- Y04S30/00—Systems supporting specific end-user applications in the sector of transportation
- Y04S30/10—Systems supporting the interoperability of electric or hybrid vehicles
- Y04S30/14—Details associated with the interoperability, e.g. vehicle recognition, authentication, identification or billing
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
- Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
- Y04S40/124—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using wired telecommunication networks or data transmission busses
Landscapes
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The utility model relates to a large-scale energy storage system and a monitoring platform thereof. The monitoring platform employs a three-layer distributed structure, wherein the middle layer is a remote monitoring unit, and the remote monitoring unit is in upper connection with an energy storage station level monitoring computer and in lower connection with bio-directional converter devices, storage batteries and battery management units. The monitoring platform is provided with two Ethernet ports, one of which is used for transmitting operating data and status information of the bio-directional converter devices and the storage battery pack to the energy storage station level monitoring computer, and the other of which is used for transmitting control commands given by the energy storage station level monitoring computer; and therefore operating modes of the bio-directional converter devices and the storage batteries are controlled, communication modes and communication contents between the layers are clear, response to station level control commands is quick, real-time capability is strong, communication is further reliable, system structure is simple, and system cost is reduced.
Description
Technical field
The utility model relates to extensive energy-storage system and monitor supervision platform thereof.
Background technology
Extensive energy storage technology has effectively solved electricity consumption peak load demand, has improved stability and the reliability of electric power system; Solve to a great extent the problems such as intermittence, unsteadiness and uncontrollability of generation of electricity by new energy, realized the level and smooth power stage of generation of electricity by new energy, promote the development of ev industry; The electric energy of storage some, in order to cope with contingencies, improve the quality of power supply, keep partial electric grid stable operation in distributed generation system.
The energy storage monitoring technique is the important technology field in energy-storage system research, supervisory control system is the control axis of extensive energy-storage system on the spot, to the control of upper connection energy-accumulating power station, to lower connection bidirectional current transformer, storage battery, battery management unit, play uploading data, assign the effect of operation control command.Supervisory control system is responsible for controlling the mode of operation of bidirectional current transformer, storage battery on the spot, collects whole service datas and the running status of current transformer and battery pack; And respond fast the control command of energy storage station control, ensure whole energy-storage system safety, reliably, operation economically.
The extensive energy-storage system technical difficult points of monitor supervision platform on the spot is as follows: the 1) problem of energy-accumulating power station centralized control and energy-storage units distributed coordination control; 2) the level control command of how standing is fast and accurately assigned to two way convertor, solves the energy-storage system problem higher to the control command requirement of real-time.The development of extensive energy storage technology also is in the starting stage at home and abroad, the domestic supervisory control system that still is not applicable to extensive energy storage device fully, and aspect the integrated control in energy-storage system power station, demonstrating running technological accumulation, with larger gap is abroad arranged, the monitor supervision platform of the demonstration project that put into operation mostly is the simple comprehensive of prior art, do not have to design and develop separately according to the characteristics of extensive energy storage device fully, the monitor supervision platform system is numerous and diverse, cost is higher and reliability is low.
The utility model content
The purpose of this utility model is to provide a kind of monitor supervision platform on the spot and operation method thereof of extensive energy-storage system, in order to solve the problem that existing extensive energy-storage system monitor supervision platform system is numerous and diverse and reliability is low.
For achieving the above object, energy-storage system scheme of the present utility model is: a kind of extensive energy-storage system, comprise one group of energy-storage units, each energy-storage units includes local monitor unit, low pressure controller, bidirectional current transformer, battery management unit and batteries, it is characterized in that, the monitor supervision platform of this energy-storage system is three-decker, bottom is local monitor unit, low pressure controller and battery management unit, the middle level is the remote monitoring unit, the upper strata is energy storage station level monitoring unit, connects by ethernet communication between each layer.
Described energy storage station level monitoring unit and low pressure controller all are connected with the remote monitoring unit communications by Ethernet, described energy storage station level monitoring unit, remote monitoring unit and low pressure controller are equipped with two ethernet ports, one of them ethernet port is used for transmitting service data and the state information of described bidirectional current transformer and batteries, and another ethernet port is used for the transmission control command.
Described low pressure controller is connected with described local monitor unit communications by the RS485 bus.
Described energy storage station level monitoring unit, low pressure controller are connected with described remote monitoring unit communications by IEC61850 respectively.
Monitor supervision platform scheme of the present utility model is: a kind of monitor supervision platform of extensive energy-storage system, this monitor supervision platform is three-decker, lower floor is local monitor unit, low pressure controller and the battery management unit corresponding with each energy-storage units, the middle level is provided with the remote monitoring unit, the upper strata is energy storage station level monitoring unit, connects by ethernet communication between each layer.
Described energy storage station level monitoring unit and low pressure controller all are connected with the remote monitoring unit communications by Ethernet, described energy storage station level monitoring equipment, remote monitoring unit and low pressure controller are equipped with two ethernet ports, one of them ethernet port is used for transmitting service data and the state information of described bidirectional current transformer and batteries, and another ethernet port is used for the transmission control command.
Described local monitor unit is connected with described low pressure controller communication by the RS485 bus.
Described low pressure controller be connected energy storage station level monitoring unit and be connected with described remote monitoring unit communications by IEC61850 respectively.
the beneficial effect that the utility model reaches: monitor supervision platform on the spot of the present utility model adopts three layers of distributed frame, the intermediate layer is the remote monitoring unit, it is to upper connection energy storage station level monitoring equipment, to lower connection bidirectional current transformer, storage battery and battery management unit, all service datas and the state information of this remote monitoring unit collection bidirectional current transformer and battery pack, and be uploaded to energy storage station level monitoring equipment, receive the control command of energy storage station level monitoring equipment, thereby control bidirectional current transformer, the mode of operation of storage battery, the communication modes of each interlayer, Content of communciation is clearer and more definite, energy is response station level control command fast, real-time, and system configuration is simple, reduced system cost.
In addition, monitor supervision platform of the present utility model is provided with two Ethernet interfaces, an Ethernet interface is used for service data and the state information of transmission bidirectional current transformer, battery pack, another Ethernet interface is used for transmission remote control, remote regulating instruction, when a certain interface breaks down, another interface is used for all information of transmission, has guaranteed the security reliability of communication.
Description of drawings
Fig. 1 is the extensive energy-storage system of the utility model monitor supervision platform system block diagram on the spot.
Embodiment
The utility model is described in more detail below in conjunction with accompanying drawing.
The extensive energy-storage system embodiment of the utility model:
as Fig. 1, extensive energy-storage system of the present utility model comprises one group of energy-storage units, each energy-storage units includes the local monitor unit, low pressure controller, bidirectional current transformer, battery management unit and batteries, the monitor supervision platform of this energy-storage system is three-decker, bottom is the local monitor unit, low pressure controller and battery management unit, the middle level is the remote monitoring unit, the upper strata is energy storage station level monitoring unit, energy storage station level monitoring unit and low pressure controller all are connected with the remote monitoring unit communications by Ethernet, energy storage station level monitoring unit, remote monitoring unit and low pressure controller are equipped with two ethernet ports, one of them ethernet port is used for transmitting service data and the state information of described bidirectional current transformer and batteries, another ethernet port is used for the transmission control command.
The utility model monitor supervision platform embodiment:
as shown in Figure 1, monitor supervision platform of the present utility model adopts three layers of distributed frame, the remote monitoring unit is positioned at the intermediate layer, the upper strata is energy storage station level monitoring equipment, lower floor is local monitor unit and bidirectional current transformer, low pressure controller, battery management unit and batteries, this low pressure controller is connected with the battery management unit communication by the CAN bus, this low pressure controller also communication connects a local monitor unit, this local monitor unit is connected with the low pressure controller communication by the RS485 bus, the remote monitoring unit is connected with the communication of energy storage station level monitoring equipment, the remote monitoring unit also is connected with the ethernet port communication of low pressure controller by Ethernet, low pressure controller, local monitor unit and remote monitoring unit are provided with two ethernet ports, one is used for to energy storage station level monitoring equipment transmission bidirectional current transformer, the service data of battery pack and state information, another is used for the remote control that transmission energy storage station level monitoring equipment is assigned, the remote regulating instruction.
The lower floor of the utility model monitor supervision platform is made of local monitor unit, bidirectional current transformer, batteries and battery management unit, an ethernet port by the remote monitoring unit is uploaded to energy storage station level monitoring equipment with whole service datas and the state information of bidirectional current transformer, batteries, and receive by its another ethernet port the control command that energy storage station level monitoring equipment issues, be used for realizing distant place control.each low pressure controller is provided with a local monitor unit, this local monitor unit is connected with the low pressure controller communication by industry spot RS485 bus, low pressure controller can be realized the bidirectional current transformer data acquisition, the closed loop protection, the several functions such as failure wave-recording and telecommunication network communication, low pressure controller receives the instruction that local monitor unit or remote monitoring unit issue and assigns to bidirectional current transformer, bidirectional current transformer receives control command and responds, realize on the spot or Long-distance Control, low pressure controller also gathers all information of batteries by the CAN bus, and all data messages that will collect and state information are uploaded to the local monitor unit and maybe the partial data information that collects and state information are uploaded to the remote monitoring unit.
The intermediate layer of the utility model monitor supervision platform is the remote monitoring part, by the remote monitoring cell formation, upper communication is connected energy storage station level monitoring equipment, mainly upload part service data and the state information of bidirectional current transformer, batteries, and receive the control command of energy storage station level monitoring equipment; To under connect the ethernet port of low pressure controller by Ethernet, gather all service datas and the state information of bidirectional current transformer and battery pack.
This monitor supervision platform the superiors are energy storage station control part, are comprised of energy storage station level monitoring equipment, and it receives to lower connection remote monitoring unit data and state information that monitoring is on the spot uploaded, and issues control command to the remote monitoring unit.
Due to the remote monitoring unit be connected control unit and all be connected with low pressure controller, so contradiction in dual control will occur.Therefore, low pressure controller is provided with one and receives the receiver port that validity is controlled in this locality/distant place, this signal be used for to indicate the validity that this locality/distant place is controlled, and when this locality is controlled when effective, the control command that low pressure controller will be not issue the remote monitoring unit is made response; Otherwise when a distant place is controlled when effective, the control command that low pressure controller will be not issue the local monitor unit is made response.
this monitor supervision platform is when operation, at first the validity that this locality/the reception signal of distant place control validity receiver port is controlled on the spot/distant place according to low pressure controller judges, if control on the spot effectively, low pressure controller control command that the remote monitoring unit is assigned can not made response, if a distant place is controlled effectively, low pressure controller control command that the local monitor unit is assigned can not made response, and the service data of bidirectional current transformer and batteries and state information are transmitted by an ethernet port that arranges on the low voltage control apparatus, the remote control that low pressure controller receives remote monitoring unit is assigned, the remote regulating order is transmitted by another ethernet port that arranges on low pressure controller, when breaking down for one in two ethernet ports, the service data of bidirectional current transformer and batteries and state information, the control command that bidirectional current transformer receives remote monitoring unit is assigned is all transmitted by another ethernet port.
After monitoring collects the SOC, SOH state of each battery pack on the spot, can carry out a comparison, when energy storage station level monitoring equipment issued the given order of active power, the remote monitoring unit can carry out power division according to the battery condition of each convertor assembly.
Claims (8)
1. extensive energy-storage system, comprise one group of energy-storage units, each energy-storage units includes local monitor unit, low pressure controller, bidirectional current transformer, battery management unit and batteries, it is characterized in that, the monitor supervision platform of this energy-storage system is three-decker, and bottom is local monitor unit, low pressure controller and battery management unit, and the middle level is the remote monitoring unit, the upper strata is energy storage station level monitoring unit, connects by ethernet communication between each layer.
2. extensive energy-storage system according to claim 1, it is characterized in that, described energy storage station level monitoring unit and low pressure controller all are connected with the remote monitoring unit communications by Ethernet, described energy storage station level monitoring unit, remote monitoring unit and low pressure controller are equipped with two ethernet ports, one of them ethernet port is used for transmitting service data and the state information of described bidirectional current transformer and batteries, and another ethernet port is used for the transmission control command.
3. extensive energy-storage system according to claim 1, is characterized in that, described low pressure controller is connected with described local monitor unit communications by the RS485 bus.
4. extensive energy-storage system according to claim 1, is characterized in that, described energy storage station level monitoring unit, low pressure controller are connected with described remote monitoring unit communications by IEC61850 respectively.
5. monitor supervision platform of extensive energy-storage system as claimed in claim 1, it is characterized in that, this monitor supervision platform is three-decker, lower floor is local monitor unit, low pressure controller and the battery management unit corresponding with each energy-storage units, the middle level is provided with the remote monitoring unit, the upper strata is energy storage station level monitoring unit, connects by ethernet communication between each layer.
6. monitor supervision platform according to claim 5, it is characterized in that, described energy storage station level monitoring unit and low pressure controller all are connected with the remote monitoring unit communications by Ethernet, described energy storage station level monitoring equipment, remote monitoring unit and low pressure controller are equipped with two ethernet ports, one of them ethernet port is used for transmitting service data and the state information of described bidirectional current transformer and batteries, and another ethernet port is used for the transmission control command.
7. monitor supervision platform according to claim 5, is characterized in that, described local monitor unit is connected with described low pressure controller communication by the RS485 bus.
8. monitor supervision platform according to claim 5, is characterized in that, described low pressure controller be connected energy storage station level monitoring unit and be connected with described remote monitoring unit communications by IEC61850 respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202258930U CN203278254U (en) | 2013-04-27 | 2013-04-27 | Large-scale energy storage system and monitoring platform thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202258930U CN203278254U (en) | 2013-04-27 | 2013-04-27 | Large-scale energy storage system and monitoring platform thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203278254U true CN203278254U (en) | 2013-11-06 |
Family
ID=49508582
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013202258930U Expired - Lifetime CN203278254U (en) | 2013-04-27 | 2013-04-27 | Large-scale energy storage system and monitoring platform thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203278254U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103236707A (en) * | 2013-04-27 | 2013-08-07 | 许继集团有限公司 | Large-scale energy storage system and monitoring platform thereof |
| CN104283229A (en) * | 2014-10-14 | 2015-01-14 | 国家电网公司 | Comprehensive energy storage power station coordination control system of subsystem self-control mode |
| CN108242818A (en) * | 2016-12-26 | 2018-07-03 | 北京天诚同创电气有限公司 | The control system of energy-accumulating power station and the communication means of control system |
-
2013
- 2013-04-27 CN CN2013202258930U patent/CN203278254U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103236707A (en) * | 2013-04-27 | 2013-08-07 | 许继集团有限公司 | Large-scale energy storage system and monitoring platform thereof |
| CN104283229A (en) * | 2014-10-14 | 2015-01-14 | 国家电网公司 | Comprehensive energy storage power station coordination control system of subsystem self-control mode |
| CN108242818A (en) * | 2016-12-26 | 2018-07-03 | 北京天诚同创电气有限公司 | The control system of energy-accumulating power station and the communication means of control system |
| CN108242818B (en) * | 2016-12-26 | 2020-09-29 | 北京天诚同创电气有限公司 | Control system of energy storage power station and communication method of control system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103236707A (en) | Large-scale energy storage system and monitoring platform thereof | |
| CN203398797U (en) | Multi-machine parallel control system of dual-mode energy storing device | |
| CN103595063B (en) | A kind of energy accumulation current converter and battery energy storage system thereof | |
| CN103606943B (en) | A kind of microgrid Ni-MH battery energy storage system | |
| CN103812219A (en) | Multiple-energy storage power station combined remote monitoring system | |
| CN102801208B (en) | Multi-path power supply intelligent scheduling manager and control method thereof | |
| CN104518563A (en) | Electromobile charging system based on new energy application and control method thereof | |
| CN102638038B (en) | Parallel charging and discharging power conversion system | |
| CN103872775B (en) | A kind of intelligent micro-grid supervisory control system and method for supervising | |
| CN104270413A (en) | Communication system and method for dispatching of distributed micro power grid | |
| CN101951028A (en) | Intelligent control scheme for transformer substation auxiliary equipment | |
| CN103219899A (en) | Hybrid energy storage converter device and operation control method thereof | |
| CN203278254U (en) | Large-scale energy storage system and monitoring platform thereof | |
| CN205123282U (en) | Little electric wire netting | |
| CN202967782U (en) | Elevator remote real-time monitoring device | |
| CN204030730U (en) | Be applied to the electric power small wireless private network system of intelligent grid | |
| CN203278060U (en) | Intelligent box-type substation | |
| CN103378604A (en) | Smart micro-grid | |
| CN102931688B (en) | Combined regenerative energy power supply device | |
| CN202679078U (en) | Electricity consumption monitoring and management device for intelligent power distribution network | |
| CN202197148U (en) | Direct current power supply system for substations | |
| CN103532213B (en) | Remote communication base station-oriented heterogeneous multimode battery management system | |
| CN202309223U (en) | Electrical equipment monitoring system | |
| CN201846135U (en) | Station-used integrated power supply | |
| CN112003328B (en) | Control method and control system of micro-grid system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20131106 |
|
| CX01 | Expiry of patent term |