CN103746410B - A kind of mobile energy storage device being applied to power system - Google Patents
A kind of mobile energy storage device being applied to power system Download PDFInfo
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- CN103746410B CN103746410B CN201310633849.8A CN201310633849A CN103746410B CN 103746410 B CN103746410 B CN 103746410B CN 201310633849 A CN201310633849 A CN 201310633849A CN 103746410 B CN103746410 B CN 103746410B
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Abstract
Present invention is disclosed a kind of mobile energy storage device being applied to power system, including mobile device and energy storage device; Described mobile device include vehicle-mounted container, for fixed set vanning automobile chassis and automobile head; Described energy storage device is arranged in vehicle-mounted container, it includes set of cells, battery management system and power conversion system, described battery management system gathers battery state information and is provided with the transmission line interface outside as car, and described power conversion system connects set of cells and is provided with the cable interface outside as car. It is convenient that this energy storage device moves, can easily by automobile transportation to needing the place that uses, it is possible to, load balancing stable as power grid voltage regulating frequency modulation, power backup, guarantee transmission system, peak load shifting, cooperation new forms of energy access, place required for user's energy management etc.
Description
Technical field
The present invention relates to a kind of high capacity cell energy storage device in vehicle-mounted container form.
Background technology
For a long time, immature due to energy storage technology, electric energy is difficult to store, so in traditional power system, generating, transmission of electricity, distribution, electricity consumption almost carry out simultaneously, electrical network ensures the Real-time Balancing of electric energy by the means dispatched. And society, accessing on a large scale at new forms of energy, under the background of micro-capacitance sensor extensive development, intelligent grid planning like a raging fire, various new problems highlight gradually, and energy-storage system increasingly becomes important component part indispensable in modern power systems.
Summary of the invention
The technical problem to be solved is to realize a kind of energy storage device with locomotive function.
To achieve these goals, the technical solution used in the present invention is: a kind of mobile energy storage device being applied to power system, including mobile device and energy storage device;
Described mobile device include vehicle-mounted container, for fixed set vanning automobile chassis and automobile head;
Described energy storage device is arranged in vehicle-mounted container, it includes set of cells, battery management system and power conversion system, described battery management system gathers battery state information and is provided with the transmission line interface outside as car, and described power conversion system connects set of cells and is provided with the cable interface outside as car.
The vehicle-mounted container body interior both sides sealed are fixed with frame, centre is provided with access path, and at one end it is provided with maintenance door, every side frame has some layers, set of cells is separately fixed in frame, the ac cable being connected with described set of cells and signal optical fibre are connected to outside container, and described container is provided with ventilation bar air port and air-conditioning, and the outlet of the signal optical fibre of the ac cable interface of power conversion system and battery management system is placed in container bottom surface.
Described set of cells is also configured with UPS, EMS, electric network protection unit and monitoring system, and power conversion system is positioned at container penetralia, is close to front inside wall.
Each described set of cells is composed in series by some battery modules, each described battery module is made up of some battery cell parallel connections, and described battery management system includes the battery management module gathering each battery cell signal and the battery management unit gathering each battery module signal.
Each battery module of described set of cells is equipped with radiator fan, and is provided with heat radiation gap between set of cells.
Being provided with fan in described ventilation bar air port, it is placed in container side upper position; Illuminator and ladder device it is provided with in described container.
Being provided with wireless communication unit in described container, signal optical fibre is delivered to Surveillance center by it.
Being respectively equipped with optical fiber slave station in described battery management system and power conversion system, and connect each other by optical fiber, described optical fiber slave station is connected respectively to the optic module main website in EMS; Master controller in battery management system, the master controller in power conversion system all adopt EnterCAT Ethernet to be connected with between respective interface unit and between EMS master controller with optic module main website respectively.
It is an advantage of the current invention that this energy storage device moves convenient, can easily by automobile transportation to needing the place that uses, it is possible to, load balancing stable as power grid voltage regulating frequency modulation, power backup, guarantee transmission system, peak load shifting, cooperation new forms of energy access, place required for user's energy management etc.
Accompanying drawing explanation
Labelling in the content below every width accompanying drawing in description of the present invention expressed and figure is briefly described:
Fig. 1 is container interior framework structural representation.
Fig. 2 is energy storage device structure block diagram;
Detailed description of the invention
Below against accompanying drawing, by the description to embodiment, mutual alignment between the such as involved shape of each component of the specific embodiment of the present invention, structure, each several part and annexation, effect and operation principle, the manufacturing process of each several part and operate with method etc., it is described in further detail, to help those skilled in the art that the inventive concept of the present invention, technical scheme are had more complete, accurate and deep understanding.
A kind of mobile energy storage device being applied to power system includes mobile device and energy storage device, wherein move device include vehicle-mounted container, for the automobile chassis of fixed set vanning and automobile head; Described energy storage device is arranged in vehicle-mounted container; it is provided with set of cells; set of cells can be configured with power conversion system (CS), UPS, battery management system (BMS), energy management, electric network protection unit and monitoring system; battery management system; it is for monitoring, assess and protect the electronic equipment of battery operation state; the normal power supply of BMS when UPS is to ensure abnormity of power supply, the two is co-located in the middle part of container to be close to the position of set of cells. GPU and electric network protection unit (GridProtectionunit); function is various problems and the system mistake at the Coupling point place of monitoring energy-storage system and electrical network; such as overvoltage, low-voltage, overfrequency, low frequency, overcurrent etc., once occur that mistake makes energy-storage system depart from electrical network immediately. GPU generally follows SEL-547 agreement and IEEE1547 agreement. Power conversion system is positioned at container penetralia, is close to front inside wall, and all the other devices except power conversion system are divided equally and are listed in container both sides, and centre reserves the wide passageway of a people and passes through for staff. Battery management system gathers battery state information and is provided with the transmission line interface outside as car, and power conversion system connects set of cells and is provided with the cable interface outside as car. Ac cable interface and the outlet of the signal optical fibre of battery management system that power conversion is are placed in container bottom surface. Thus for convenience of in in-site installation and operation
Box type movable energy storage device is to be fixed in vehicle-mounted container by set of cells, and set of cells is made up of a large amount of battery module connection in series-parallel, and such equipment can possess the basic function being easy to long-distance transport.For the ease of maintenance, set of cells is divided into two parts, divides and is listed in container both sides, and centre reserves the wide passageway of a people and passes through for staff. Being provided with maintenance door at passage end, overhaul of the equipments door should be provided with anti-locking function, leaves scene for worker safety during emergency. As it is shown in figure 1, fix by vehicle-mounted container body interior machine frame at two sides, frame has some layers, and set of cells layering is fixing. In general, the volume and weight of set of cells determines the specification of container to a certain extent, therefore should select as far as possible small volume, lighter in weight set of cells so that transport, make energy-storage system more flexible, portable advantage is more prominent. Container generally has at least 2m high, needs ramp operation to overhaul eminence equipment, and ramp is placed in frame side, also needs to be provided with illuminator in container.
During due to discharge and recharge, the temperature rise of set of cells is relatively big, and usual each battery module is equipped with special fan and dispels the heat, and is provided with heat radiation gap between set of cells. Container is provided with ventilation bar air port and air-conditioning simultaneously, and ventilation bar is provided with fan in air port, and it is placed in container side upper position, thus ensureing that air circulates. Set of cells is furnished with temperature sensor, and temperature sensor is connected with air-conditioning, and so when entirety or local temperature are too high, air-conditioning can automatically turn on, and lowers the temperature.
For making equipment have remote monitoring function, being provided with wireless communication unit in container, signal optical fibre is delivered to Surveillance center by it, it is possible to realize the communication with master control, transmits current operation information to Surveillance center, accepts the control of master control simultaneously. After the fixed installation of such equipment, it is not necessary to people guards, it is possible to remotely monitor. Simultaneously for improving device security, it is provided with Smoke Sensor in container, this Smoke Sensor and automatic CO2Extinguishing device connects, when finding smog, it is possible to carry out fire extinguishing process, reduces accident risk. In addition it is also possible to place enough CO container planted agent2Fire-suppression bottle fire extinguishing is used
Energy storage device is additionally provided with telecommunication circuit, it includes the PCS master controller in the energy-storage system master controller in EMS system, the set of cells master controller in BMS system, pcs system, BMS system and pcs system are respectively equipped with optical fiber slave station connect each other by optical fiber, and two optical fiber slave stations are connected respectively to the optic module main website in EMS system; Set of cells master controller, PCS master controller all adopt EnterCAT Ethernet to be connected with between respective interface unit and between energy-storage system master controller with optic module main website respectively.
EMS system is provided with protocol converter, connects optic module main website by protocol converter, it is achieved the conversion between various communications. BMS system adopt standard ethernet carry out communication between set of cells master controller and optical fiber slave station; Pcs system adopt standard ethernet carry out communication between PCS master controller and optical fiber slave station; EMS system adopt standard ethernet carry out communication between energy-storage system master controller and protocol converter. Interface unit in BMS system and pcs system adopts serial ports to carry out communication with set of cells and PCS group respectively.
The information sent in EMS system is included by BMS system:
(1) switching value information: mainly catalyst state, circuit-breaker status.
(2) analog quantity information: set of cells average voltage, battery voltage variance, set of cells ceiling voltage, set of cells minimum voltage, battery voltage, battery pack current, battery power, set of cells insulation impedance, set of cells SOC, set of cells utilisable energy, the battery cell voltage detected, active cell voltage, active cell electric current, cell S OC, system SOC, system utilisable energy, current system power etc., system allow charging current, allow discharge current.
(3) non electrical quantity information: battery pack temperature, active cell temperature etc.
(4) operation information: running status, various protection act signal; Accident warning signal, brownout alarm, brownout protection act (switching value), the too high alarm of temperature (switching value), overtension protection act (switching value).
The information that BMS system is assigned by EMS system includes:
(1) operational factor arranges the accumulator operational factor protection necessary information such as definite value, alarm setting value configuration information to BMS.
The information sent in EMS system is included by pcs system:
(1) switching value information: the mainly state of DC side, AC catalyst, chopper; Operational mode (net grid-connected, lonely, charging, electric discharge, standby etc.), local operation handle state etc.
(2) analog quantity information: DC voltage, electric current; AC three-phase voltage, electric current, meritorious, idle.
(3) non electrical quantity information: IGBT module temperature, reactor temperature etc.
(4) operation information: various protection act signals, accident warning signal.
The information that pcs system 3 is assigned by EMS system 1 includes:
(1) operational mode switching: the conversion of grid-connected/lonely net, charge/discharge conversion.
(2) operating parameter setting: charge/discharge multiplying power, depth of discharge, various protection definite values etc.
Above in conjunction with accompanying drawing, the present invention is exemplarily described; the obvious present invention implements and is not subject to the restrictions described above; as long as have employed the improvement of the various unsubstantialities that the design of the method for the present invention carries out with technical scheme; or the not improved design by the present invention and technical scheme directly apply to other occasion, all within protection scope of the present invention.
Claims (3)
1. the mobile energy storage device being applied to power system, it is characterised in that: include mobile device and energy storage device;
Described mobile device include vehicle-mounted container, for fixed set vanning automobile chassis and automobile head;
Described energy storage device is arranged in vehicle-mounted container, it includes set of cells, battery management system and power conversion system, described battery management system gathers battery state information and is provided with the transmission line interface outside as car, and described power conversion system connects set of cells and is provided with the cable interface outside as car;
The vehicle-mounted container body interior both sides sealed are fixed with frame; centre is provided with access path; and at one end it is provided with maintenance door; every side frame has some layers; set of cells is separately fixed in frame; the ac cable being connected with described set of cells and signal optical fibre are connected to outside container, and described container is provided with ventilation bar air port and air-conditioning, and the outlet of the signal optical fibre of the ac cable interface of power conversion system and battery management system is placed in container bottom surface;
Described set of cells is also configured with UPS, EMS, electric network protection unit and monitoring system, and power conversion system is positioned at container penetralia, is close to front inside wall;
Each described set of cells is composed in series by some battery modules, each described battery module is made up of some battery cell parallel connections, and described battery management system includes the battery management module gathering each battery cell signal and the battery management unit gathering each battery module signal;
Each battery module of described set of cells is equipped with radiator fan, and is provided with heat radiation gap between set of cells;
Being provided with fan in described ventilation bar air port, it is placed in container side upper position;Illuminator and ladder device it is provided with in described container.
2. the mobile energy storage device being applied to power system according to claim 1, it is characterised in that: being provided with wireless communication unit in described container, signal optical fibre is delivered to Surveillance center by it.
3. the mobile energy storage device being applied to power system according to claim 1, it is characterized in that: described battery management system and power conversion system are respectively equipped with optical fiber slave station, and connect each other by optical fiber, described optical fiber slave station is connected respectively to the optic module main website in EMS; Master controller in battery management system, the master controller in power conversion system all adopt EnterCAT Ethernet to be connected with between respective interface unit and between EMS master controller with optic module main website respectively.
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104393685A (en) * | 2014-12-18 | 2015-03-04 | 安徽启光能源科技研究院有限公司 | Active safety monitoring system for mobile energy storing system |
| CN105140994A (en) * | 2015-09-02 | 2015-12-09 | 国网上海市电力公司 | Electrical structure for energy-storing battery container |
| CN105720651B (en) * | 2016-04-13 | 2018-08-17 | 江苏峰谷源储能技术研究院有限公司 | Cooling type 24V and 9.6Ah ferric phosphate lithium cell group |
| CN107104452B (en) * | 2017-05-16 | 2020-02-11 | 广东电科院能源技术有限责任公司 | Intelligent monitoring system and method for high-power mobile energy storage vehicle |
| CN110544805A (en) * | 2019-08-02 | 2019-12-06 | 江苏慧智能源工程技术创新研究院有限公司 | Echelon energy storage system container |
| CN111055748B (en) * | 2019-11-12 | 2020-12-01 | 国网浙江省电力有限公司湖州供电公司 | Low-voltage mobile energy storage system and control method thereof |
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Effective date of registration: 20190812 Address after: Room 607, 2000 Pudong Avenue, Pudong New Area Free Trade Pilot Area, Shanghai Patentee after: SHANGHAI NENGHUI TECHNOLOGY CO., LTD. Address before: 241200, No. 17, Zhanghe Road, national hi tech Industrial Development Zone, Yijiang District, Anhui, Wuhu Patentee before: ANHUI LIGHT ENERGY TECHNOLOGY RESEARCH INSTITUTE CO., LTD. |