CN103236707A - Large-scale energy storage system and monitoring platform thereof - Google Patents
Large-scale energy storage system and monitoring platform thereof Download PDFInfo
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- CN103236707A CN103236707A CN2013101536651A CN201310153665A CN103236707A CN 103236707 A CN103236707 A CN 103236707A CN 2013101536651 A CN2013101536651 A CN 2013101536651A CN 201310153665 A CN201310153665 A CN 201310153665A CN 103236707 A CN103236707 A CN 103236707A
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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
- 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
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Abstract
The invention relates to a large-scale energy storage system and a monitoring platform thereof. The monitoring platform adopts a three-layer distributed structure; a middle layer adopts a remote control unit which is connected with an energy storage station level monitor on the upper layer and is connected with a bi-directional current converting device, a storage battery and a battery management unit on the lower layer; and the monitoring platform is provided with two Ethernet ports, one is used for transmitting operation data and state information of the bi-directional current converting device and the storage battery to the energy storage station level monitor, and the other is used for transmitting control commands released by the energy storage station level monitor, so as to control operation modes of the bi-directional current converting device and the storage battery and communication modes and communication contents among the layers are clearer. The large-scale energy storage system and the monitoring platform have the advantages that station level control commands can be rapidly responded, the realtime performance is high, communication is more reliable, the system structure is simple, and the system cost is reduced.
Description
Technical field
The present invention relates to a kind of 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 the problems such as intermittence, unsteadiness and uncontrollability of generation of electricity by new energy to a great extent, realized the level and smooth power output 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, improves the quality of power supply, keeps partial electric grid stable operation in distributed generation system.
The energy storage monitoring technique is the important technology field in the energy-storage system research, supervisory control system is the control maincenter of extensive energy-storage system on the spot, to the control of last connection energy-accumulating power station, to under connect bidirectional current transformer, storage battery, battery management unit, play and upload 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 the control command of energy storage station control fast, 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 controlled of energy-accumulating power station centralized control and energy-storage units distributed coordination; 2) the level control command of how will standing is fast and accurately assigned to two way convertor, solves the problem that energy-storage system is had relatively high expectations to the control command 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, the accumulation of demonstration running technology, with big 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.
Summary of the invention
The monitor supervision platform on the spot and the operation method thereof that the purpose of this invention is to provide a kind of extensive energy-storage system are 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 invention 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 all is connected with the remote monitoring unit communications by Ethernet with low pressure controller, 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 service data and the state information of the described bidirectional current transformer of transmission 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 invention 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 all is connected with the remote monitoring unit communications by Ethernet with low pressure controller, 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 service data and the state information of the described bidirectional current transformer of transmission 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 is connected with described remote monitoring unit communications by IEC61850 respectively with described energy storage station level monitoring unit.
The beneficial effect that the present invention reaches: monitor supervision platform on the spot of the present invention adopts three layers of distributed frame, the intermediate layer is the remote monitoring unit, it is to last connection energy storage station level monitoring equipment, to under connect bidirectional current transformer, storage battery and battery management unit, all service datas and the state information of bidirectional current transformer and battery pack gathered in this remote monitoring unit, 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, can respond station level control command fast, real-time, and system configuration is simple, has reduced system cost.
In addition, monitor supervision platform of the present invention 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 present invention monitor supervision platform system block diagram on the spot.
Embodiment
The present invention will be further described in detail below in conjunction with accompanying drawing.
The extensive energy-storage system embodiment of the present invention:
As Fig. 1, extensive energy-storage system of the present invention 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 all is connected with the remote monitoring unit communications by Ethernet with low pressure controller, 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 service data and the state information of the described bidirectional current transformer of transmission and batteries, and another ethernet port is used for the transmission control command.
Monitor supervision platform embodiment of the present invention:
As shown in Figure 1, monitor supervision platform of the present invention 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 level monitoring equipment communication of energy storage station, 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 monitor supervision platform of the present invention 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 by the control command that its another ethernet port reception 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; multiple functions such as failure wave-recording and telecommunication network communication; the instruction that low pressure controller reception local monitor unit or remote monitoring unit issue is also assigned to bidirectional current transformer; bidirectional current transformer receives control command and responds; realize on the spot or Long-distance Control; low pressure controller is also gathered 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 partial data information and the state information that collects are uploaded to the remote monitoring unit.
The intermediate layer of monitor supervision platform of the present invention is the remote monitoring part, constituted by the remote monitoring unit, last 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 connect the ethernet port of low pressure controller down by Ethernet, gather all service datas and the state information of bidirectional current transformer and battery pack.
This monitor supervision platform the superiors are made up of energy storage station level monitoring equipment for energy storage station control part, its under connect the remote monitoring unit, receive data and state information that monitoring is on the spot uploaded, and issue control command and arrive the remote monitoring unit.
Because the remote monitoring unit all is connected with low pressure controller with local control unit, so the contradiction in the dual control will occur.Therefore, low pressure controller is provided with a receiver port that receives this locality/distant place control validity, this signal be used for to indicate the validity of this locality/distant place control, controls when effective when this locality, and the control command that low pressure controller will not issue the remote monitoring unit is made response; Otherwise control when effective when a distant place, the control command that low pressure controller will not issue the local monitor unit is made response.
This monitor supervision platform is when operation, at first according to the reception signal of this locality of low pressure controller/distant place control validity receiver port on the spot/validity of distant place control judges, if control effectively on the spot, then low pressure controller control command that the remote monitoring unit is assigned can not made response; If distant place control effectively, then 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 the remote monitoring unit that low pressure controller receives is assigned, the remote regulating order is transmitted by another ethernet port that arranges on the 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 the remote monitoring unit that bidirectional current transformer receives 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 all is connected with the remote monitoring unit communications by Ethernet with low pressure controller, 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 service data and the state information of the described bidirectional current transformer of transmission 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 according to 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 all is connected with the remote monitoring unit communications by Ethernet with low pressure controller, 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 service data and the state information of the described bidirectional current transformer of transmission 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 is connected with described remote monitoring unit communications by IEC61850 respectively with described energy storage station level monitoring unit.
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103926911A (en) * | 2014-05-07 | 2014-07-16 | 云南电力试验研究院（集团）有限公司电力研究院 | Monitoring device of energy storage system based on embedded technology |
| CN104377786A (en) * | 2014-03-24 | 2015-02-25 | 中国能源建设集团广东省电力设计研究院 | Monitoring method and system of battery energy storage station |
| CN109716150A (en) * | 2016-09-22 | 2019-05-03 | 罗伯特·博世有限公司 | Secondary cell management system with remote parameter estimation |
| CN110460074A (en) * | 2019-08-09 | 2019-11-15 | 国电南瑞科技股份有限公司 | A kind of energy-accumulating power station comprehensive management and control system |
| CN112771748A (en) * | 2018-09-27 | 2021-05-07 | 费斯科姆股份公司 | Centralized control method for spatially distributed power loads |
| CN113689188A (en) * | 2021-08-23 | 2021-11-23 | 交通银行股份有限公司 | Decentralization information management system and method based on Ether house intelligent contracts |
| CN114915033A (en) * | 2022-06-15 | 2022-08-16 | 苏州云能魔方能源科技有限公司 | Large-scale energy storage power station black box system based on cloud edge cooperation |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104377786A (en) * | 2014-03-24 | 2015-02-25 | 中国能源建设集团广东省电力设计研究院 | Monitoring method and system of battery energy storage station |
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| CN103926911B (en) * | 2014-05-07 | 2016-05-25 | 云南电力试验研究院（集团）有限公司电力研究院 | A kind of supervising device of the energy-storage system based on embedded technology |
| CN109716150A (en) * | 2016-09-22 | 2019-05-03 | 罗伯特·博世有限公司 | Secondary cell management system with remote parameter estimation |
| CN109716150B (en) * | 2016-09-22 | 2022-08-02 | 罗伯特·博世有限公司 | Secondary battery management system with remote parameter estimation |
| CN112771748A (en) * | 2018-09-27 | 2021-05-07 | 费斯科姆股份公司 | Centralized control method for spatially distributed power loads |
| CN110460074A (en) * | 2019-08-09 | 2019-11-15 | 国电南瑞科技股份有限公司 | A kind of energy-accumulating power station comprehensive management and control system |
| CN113689188A (en) * | 2021-08-23 | 2021-11-23 | 交通银行股份有限公司 | Decentralization information management system and method based on Ether house intelligent contracts |
| CN114915033A (en) * | 2022-06-15 | 2022-08-16 | 苏州云能魔方能源科技有限公司 | Large-scale energy storage power station black box system based on cloud edge cooperation |
| CN114915033B (en) * | 2022-06-15 | 2023-12-15 | 苏州云能魔方能源科技有限公司 | Large-scale energy storage power station black box system based on cloud edge cooperation |
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Application publication date: 20130807 |