CN104617592A - Control method of energy storage system and control device thereof - Google Patents
Control method of energy storage system and control device thereof Download PDFInfo
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- CN104617592A CN104617592A CN201510062214.6A CN201510062214A CN104617592A CN 104617592 A CN104617592 A CN 104617592A CN 201510062214 A CN201510062214 A CN 201510062214A CN 104617592 A CN104617592 A CN 104617592A
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- 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
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Abstract
The invention discloses a control method of an energy storage system and a control device of the system. The method comprises the following steps: the operating state of a power grid is detected, and the power grid is a power grid attached with the energy storage system; a control manner is determined according to the operating state of the power grid, wherein the control manner is used for controlling the energy storage system; according to the control manner, the energy storage system is controlled to operate the power grid. The method and the device can solve the problem that the power grid has unsteady operation in an existing technology when the power grid is overloaded due to existence of multiple direct current charging stations.
Description
Technical field
The present invention relates to electric energy field, in particular to a kind of control method and device of energy-storage system.
Background technology
Along with becoming increasingly conspicuous of energy shortage and problem of environmental pollution, electric automobile is with the advantage of its energy-saving and environmental protection, be subject to extensive concern, and defining the new round upsurge of new-energy automobile development in the world, China is also classified as one of national seven great strategy new industries by energy-conservation with new-energy automobile.According to " energy-conservation with new-energy automobile industrial development planning " that 2012 issue, estimate that pure electric automobiles in 2015 and plug-in hybrid-power automobile add up volume of production and marketing and will reach 500,000, and when Vehicular dynamic battery capacity is down to 80% of its rated capacity, electrokinetic cell in enormous quantities will be had to eliminate from car, therefore, how these are moved back the problem that the Vehicular dynamic battery transported utilizes again day by day to highlight.
Comparatively electric automobile is low to the performance requirement of battery for energy-storage system, and the battery that electric automobile is eliminated possesses in energy-storage system continuation service condition.By cascade utilization mode, the useful life of battery can be extended on the one hand, 800 casees battery applications of eliminating for Beijing Olympic pure electric vehicle are in energy-storage system, calculating in 5 years can also be run by the battery for energy-storage system, this energy-storage system can release 2500 degree of electricity every day, known electricity price between peak and valley is 0.9 yuan/degree, then battery echelon utilizes and can save electric cost about 4,100,000 yuan, reduces battery acquisition cost 0.373 yuan/Wh (4100000 yuan of ÷ 11000000Wh=0.373 unit/Wh).As can be seen here, battery echelon utilizes the application cost that significantly can reduce battery, promote the value of battery, accelerate the developing steps of ev industry, realizing the sound development of ev industry and realize energy-saving and emission-reduction, is also that lithium ion battery applies key issue urgently to be resolved hurrily on electric automobile; Also can adapt on the other hand the needs of the energy source optimization configuration of electric automobile charging station, realize the scientific and efficient utilization of the energy, for China's energy resource structure adjustment and optimize significant.
What current most of electric automobile charging station adopted is directly fill station scheme, is namely directly charged through charger by electrical network, but when meeting with power failure, cannot provide emergent charging.We know that any important power consumption equipment all will adopt and answer urgent telegram stand-by power supply scheme, if directly fill station scheme do not install emergency standby power system additional, often may meet with power outage, that delays user charges normal demand.Because do not have replacement scheme, therefore may cause the paralysis of whole service chaining, if directly fill station to install emergency service power-supply system additional, cost two will be caused to overlap charging system, and cost is multiplied.
With regard to the energy-storage system application utilizing battery based on echelon, poor owing to moving back fortune battery with two side terminals, cause echelon to utilize the capacity of energy-storage system to be restricted.For Integral small-sized DC charging station, it contains 5 charging piles, the watt level of each is about 37.5Kw, and the gross power that namely this Integral small-sized DC charging station needs is 187.5Kw, but the energy-storage system of 100Kw can only meet the charge requirement of two stakes.Because floor space is saved at Integral small-sized DC charging station, obtain in the development construction process of charging station and promote fast, when the small-sized DC charging station of the type reaches some, the words simultaneously run will certainly increase electrical network burden, cause the fluctuation of electrical network, its moving law and pattern will certainly produce material impact to the operation stability of electrical network.
For in prior art when DC charging station in electrical network too much causes network load excessive, there is instable problem in operation of power networks, not yet proposes effective solution at present.
Summary of the invention
Main purpose of the present invention is the control method and the device that provide a kind of energy-storage system, and to solve in prior art when DC charging station in electrical network too much causes network load excessive, operation of power networks exists instable problem.
To achieve these goals, according to an aspect of the present invention, a kind of control method of energy-storage system is provided.
Control method according to energy-storage system of the present invention comprises: the running status of detection of grid, and wherein, electrical network is the electrical network of being affiliated to energy-storage system; According to the running status determination control mode of electrical network, wherein, control mode is the mode controlling energy-storage system; And control energy-storage system to the process of electrical network executable operations according to control mode.
Further, the running status of electrical network comprises one or more states following: the power load state at a low ebb of electrical network; Electrical network is in the state broken down; And the power load of electrical network is in peak state.
Further, the running status of detection of grid comprises: whether the running status of detection of grid is the power load state at a low ebb of electrical network, wherein, running status determination control mode according to electrical network comprises: if detect the power load of electrical network state at a low ebb, determine to fill out paddy control mode according to the power load of electrical network state at a low ebb, wherein, filling out paddy control mode is control energy-storage system electrical network to be performed to the mode increasing power load, control energy-storage system according to control mode to comprise the process of electrical network executable operations: control according to filling out paddy control mode the power load that energy-storage system increases electrical network.
Further, the running status of detection of grid comprises: whether the running status of detection of grid is that the power load of electrical network is in peak state, wherein, running status determination control mode according to electrical network comprises: if detect that the power load of electrical network is in peak state, be in peak state according to the power load of electrical network and determine peak control mode, wherein, peak control mode is control energy-storage system electrical network to be performed to the mode reducing power load, control energy-storage system according to control mode to comprise the process of electrical network executable operations: control according to peak control mode the power load that energy-storage system reduces electrical network.
Further, the running status of detection of grid comprises: whether the running status of detection of grid is that electrical network is in malfunction, wherein, running status determination control mode according to electrical network comprises: if detect that electrical network is in malfunction, malfunction determination Fault Control mode is according to electrical network, wherein, Fault Control mode is the mode that control energy-storage system is powered to direct-current charging post, direct-current charging post is affiliated on electrical network, control energy-storage system according to control mode to comprise the process of electrical network executable operations: control energy-storage system according to Fault Control mode and perform charging operations to direct-current charging post.
Further, direct-current charging post comprises the first direct-current charging post and the second direct-current charging post, whether be connected by the first switch between the first direct-current charging post with the second direct-current charging post, before the running status of detection of grid, the method also comprises: detect the first switch and break down; If detect that the first switch breaks down, by electrical network, charging operations is performed to energy-storage system; And energy-storage system performs powered operation to the first direct-current charging post and the second direct-current charging post.
To achieve these goals, according to a further aspect in the invention, a kind of control device of energy-storage system is provided.
Control device according to energy-storage system of the present invention comprises: detecting unit, and for the running status of detection of grid, wherein, electrical network is the electrical network of being affiliated to energy-storage system; Determining unit, for the running status determination control mode according to electrical network, wherein, control mode is the mode controlling energy-storage system; And processing unit, for controlling energy-storage system to the process of electrical network executable operations according to control mode.
Further, detecting unit also comprises: first detection module, whether the running status for detection of grid is the power load state at a low ebb of electrical network, wherein, determining unit also comprises: the first determination module, for when detecting the power load of electrical network state at a low ebb, determine to fill out paddy control mode according to the power load of electrical network state at a low ebb, wherein, filling out paddy control mode is control energy-storage system electrical network to be performed to the mode increasing power load, processing unit also comprises: the first processing module, for controlling according to filling out paddy control mode the power load that energy-storage system increases electrical network.
Further, detecting unit also comprises: the second detection module, whether the running status for detection of grid is that electrical network is in malfunction, wherein, determining unit also comprises: the second determination module, for when detecting that electrical network is in malfunction, malfunction determination Fault Control mode is according to electrical network, wherein, Fault Control mode is the mode that control energy-storage system is powered to direct-current charging post, direct-current charging post is affiliated on electrical network, processing unit also comprises: the second processing module, for controlling energy-storage system according to Fault Control mode, charging operations is performed to direct-current charging post.
Whether further, direct-current charging post comprises the first direct-current charging post and the second direct-current charging post, is connected between the first direct-current charging post with the second direct-current charging post by the first switch, and this device also comprises: first module, break down for detecting the first switch; Second unit, for when detecting that the first switch breaks down, performs charging operations by electrical network to energy-storage system; And Unit the 3rd, for energy-storage system, powered operation is performed to the first direct-current charging post and the second direct-current charging post.
By the present invention, adopt following steps: the running status of detection of grid, wherein, electrical network is the electrical network of being affiliated to energy-storage system; According to the running status determination control mode of electrical network, wherein, control mode is the mode controlling energy-storage system; And control energy-storage system to the process of electrical network executable operations according to control mode, to solve in prior art when DC charging station in electrical network too much causes network load excessive, there is instable problem in operation of power networks, and then reaches the effect ensureing power grid operation.
Accompanying drawing explanation
The accompanying drawing forming a application's part is used to provide a further understanding of the present invention, and schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the flow chart of the control method of energy-storage system according to the embodiment of the present invention;
Fig. 2 is the energy-storage system structure chart utilizing battery based on echelon according to the embodiment of the present invention;
Fig. 3 is a kind of operational mode of the energy-storage system according to the embodiment of the present invention;
Fig. 4 is the another kind of operational mode of the energy-storage system according to the embodiment of the present invention;
Fig. 5 is the another kind of operational mode of the energy-storage system according to the embodiment of the present invention;
Fig. 6 is the another kind of operational mode of the energy-storage system according to the embodiment of the present invention; And
Fig. 7 is the schematic diagram of the control device of energy-storage system according to the embodiment of the present invention.
Embodiment
It should be noted that, when not conflicting, the embodiment in the application and the feature in embodiment can combine mutually.Below with reference to the accompanying drawings and describe the present invention in detail in conjunction with the embodiments.
The application's scheme is understood better in order to make those skilled in the art person, below in conjunction with the accompanying drawing in the embodiment of the present application, technical scheme in the embodiment of the present application is clearly and completely described, obviously, described embodiment is only the embodiment of the application's part, instead of whole embodiments.Based on the embodiment in the application, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all should belong to the scope of the application's protection.
It should be noted that, term " first ", " second " etc. in the specification of the application and claims and above-mentioned accompanying drawing are for distinguishing similar object, and need not be used for describing specific order or precedence.Should be appreciated that the data used like this can be exchanged, in the appropriate case so that the embodiment of the application described herein.In addition, term " comprises " and " having " and their any distortion, intention is to cover not exclusive comprising, such as, contain those steps or unit that the process of series of steps or unit, method, system, product or equipment is not necessarily limited to clearly list, but can comprise clearly do not list or for intrinsic other step of these processes, method, product or equipment or unit.
According to embodiments of the invention, provide a kind of control method of energy-storage system.
Fig. 1 is the flow chart of the control method of energy-storage system according to the embodiment of the present invention.As shown in Figure 1, the method comprises following step S101 to step S103:
Step S101, the running status of detection of grid.
The running status of detection of grid, wherein, electrical network is the electrical network of being affiliated to energy-storage system.
Step S102, according to the running status determination control mode of electrical network.
According to the running status determination control mode of electrical network, wherein, control mode is the mode controlling energy-storage system.
Step S103, controls energy-storage system to the process of electrical network executable operations according to control mode.
Particularly, as shown in Figure 2, Fig. 2 is the energy-storage system structure chart utilizing battery based on echelon of the preferred embodiment of the present invention.The structure chart of the energy-storage system that the embodiment of the present invention provides, whole energy-storage system structural entity mainly comprises 1, battery carrier 1 (including battery case), battery carrier 2 (including battery case); 2, PCS rack; 3, master control system main frame; 4, BMS; 5, air-conditioner host; 6, air-conditioning; 7, shutter; 8, energy storage casing.Battery carrier 1 (including battery case), battery carrier 2 (including battery case) are the energy storage section of whole energy-storage system, and the battery that the battery case that battery carrier 1 and battery carrier 2 include uses is the battery moving back and transport and carry out echelon utilization.PCS rack 2 is rectification and the Converting Unit of energy-storage system, and when charging, this part carries out rectification, by the convert alternating current positive direct-current of electrical network low-pressure side; When discharging, this part carries out inversion, by the converting direct-current power into alternating-current power feedback grid low-pressure side of energy storage side or power to charger.Master control system main frame 3 is control cores of whole energy-storage system, mainly monitors the running status, each control switch state, PCS rack running status, air-conditioning etc. of electrical network low-pressure side, and gives an order according to monitoring result and control.Air-conditioner host 5, air-conditioning 6 and shutter 7 are radiator portion of energy-storage system.Energy storage casing 8 is for carrying each structure of whole energy-storage system, the general casing adopting container-type.
The control method of the energy-storage system that the embodiment of the present invention provides, by the running status of detection of grid, wherein, electrical network is the electrical network of being affiliated to energy-storage system; According to the running status determination control mode of electrical network, wherein, control mode is the mode controlling energy-storage system; And control energy-storage system to the process of electrical network executable operations according to control mode, to solve in prior art when DC charging station in electrical network too much causes network load excessive, there is instable problem in operation of power networks, and then reaches the effect ensureing power grid operation.
Preferably, in the control method of the energy-storage system provided in the embodiment of the present invention, the running status of electrical network comprises one or more states following: the power load state at a low ebb of electrical network; Electrical network is in the state broken down; And the power load of electrical network is in peak state.
Preferably, in the control method of the energy-storage system provided in the embodiment of the present invention, the running status of detection of grid comprises: whether the running status of detection of grid is the power load state at a low ebb of electrical network, wherein, running status determination control mode according to electrical network comprises: if detect the power load of electrical network state at a low ebb, determine to fill out paddy control mode according to the power load of electrical network state at a low ebb, wherein, filling out paddy control mode is control energy-storage system electrical network to be performed to the mode increasing power load, control energy-storage system according to control mode to comprise the process of electrical network executable operations: control according to filling out paddy control mode the power load that energy-storage system increases electrical network.
Particularly, as shown in Figure 3, Fig. 3 is a kind of operational mode of the energy-storage system according to the embodiment of the present invention.A kind of energy-storage system that the embodiment of the present invention provides normal operating condition and power load at a low ebb under operational mode, the power load of electrical network can be increased under this operational mode by energy-storage system, realize filling out paddy function to electrical network power load.Such as, set the power of whole energy-storage system at 100kW, the power of single direct-current charging post is at 37.5kW.Under this running status; protective switch of the short circuit QF, K switch M1 are in closure state; K switch M2 is in off-state; the power supply of 1#-5# direct-current charging post and energy-storage system is directly powered by busbar by electrical network low-pressure side, and the state of switch is given an order according to monitor signal carry out remote control by master control system (containing monitoring).1# power supply monitoring line and 2# power supply monitoring line are mainly monitored the voltage of the busbar of electrical network low-pressure side and 4# direct-current charging post and 5# direct-current charging post, current signal, the monitor signal of this part feeds back to master control system main frame, and master control system main frame is then given an order according to monitor signal and changed the operational mode of energy-storage system.1# power line is the stand-by power supply line of energy-storage system, directly charged from electrical network low-pressure side by this stand-by power supply line when causing energy-storage system to charge when KM1 breaks down, without charging pile busbar, 2# power line is the main discharge and recharge line of energy-storage system, can charge from powered the carrying out of grid side and power to 4# direct-current charging post and 5# direct-current charging post.BMS is battery management system, the main monitoring state to battery case, this part by with PCS with the use of, the size of the charging and discharging state of battery case and the voltage and current of discharge and recharge controls, in addition BMS also monitors the temperature of battery case, and monitor signal is fed back to master control system, thus touch-control system controls according to the start and stop of temperature signal to air-conditioning.
Therefore, embodiments provide a kind of energy-storage system normal operating condition and power load at a low ebb under operational mode, controlling energy-storage system under this operational mode increases the power load of electrical network, realizes filling out paddy function to electrical network power load.
Preferably, in the control method of the energy-storage system provided in the embodiment of the present invention, the running status of detection of grid comprises: whether the running status of detection of grid is that the power load of electrical network is in peak state, wherein, running status determination control mode according to electrical network comprises: if detect that the power load of electrical network is in peak state, be in peak state according to the power load of electrical network and determine peak control mode, wherein, peak control mode is control energy-storage system electrical network to be performed to the mode reducing power load, control energy-storage system according to control mode to comprise the process of electrical network executable operations: control according to peak control mode the power load that energy-storage system reduces electrical network.
Particularly, as shown in Figure 4, Fig. 4 is the another kind of operational mode of the energy-storage system according to the embodiment of the present invention.The operational mode of a kind of energy-storage system under electrical network power load is in peak situation that the embodiment of the present invention provides, can reduce the power load of electrical network under this operational mode, realize the peak clipping function to electrical network power load.Now K switch M2 and K switch M1 disconnect, and 4# direct-current charging post and 5# direct-current charging post peel off electrical network, and 4# stake and 5# stake and energy-storage system realize islet operation, decrease the power load of electrical network.
Therefore, embodiments provide the operational mode of a kind of energy-storage system under electrical network power load is in peak situation, the power load of electrical network under this operational mode, can be reduced, realize the peak clipping function to electrical network power load.
Preferably, in the control method of the energy-storage system provided in the embodiment of the present invention, the running status of detection of grid comprises: whether the running status of detection of grid is that electrical network is in malfunction, wherein, running status determination control mode according to electrical network comprises: if detect that electrical network is in malfunction, malfunction determination Fault Control mode is according to electrical network, wherein, Fault Control mode is the mode that control energy-storage system is powered to direct-current charging post, direct-current charging post is affiliated on electrical network, control energy-storage system according to control mode to comprise the process of electrical network executable operations: control energy-storage system according to Fault Control mode and perform charging operations to direct-current charging post.
Particularly, as shown in Figure 5, Fig. 5 is the another kind of operational mode of the energy-storage system according to the embodiment of the present invention.The operational mode of a kind of energy-storage system when grid side breaks down that the embodiment of the present invention provides.Now protective switch of the short circuit QF, K switch M1, K switch M2 are all in off-state, and energy-storage system and 4# direct-current charging post and 5# direct-current charging post realize islet operation, and energy-storage system realizes emergency service to 4# stake and 5# stake, to ensure the need for electricity of emergency user.
Therefore, embodiments provide the operational mode of a kind of energy-storage system when grid side breaks down, which can realize the urgent need for electricity to electric motor car user.
Preferably, in the control method of the energy-storage system provided in the embodiment of the present invention, direct-current charging post comprises the first direct-current charging post and the second direct-current charging post, be connected by the first switch between first direct-current charging post with the second direct-current charging post, whether, before the running status of detection of grid, the method also comprises: detect the first switch and break down; If detect that the first switch breaks down, by electrical network, charging operations is performed to energy-storage system; And energy-storage system performs powered operation to the first direct-current charging post and the second direct-current charging post.
Particularly, as shown in Figure 6, Fig. 6 is the another kind of operational mode of the energy-storage system according to the embodiment of the present invention.The operational mode of a kind of energy-storage system under K switch M1 breaks down situation that the embodiment of the present invention provides.Now K switch M2 adhesive, K switch M1 disconnects owing to breaking down, and energy-storage system is undertaken charging by KM2 and powers to 4# direct-current charging post and 5# direct-current charging post, ensures the normal operation of 4# stake, 5# stake and energy-storage system.
Therefore, embodiments provide the operational mode of a kind of energy-storage system under K switch M1 breaks down situation, ensure the normal operation of 4# stake, 5# stake and energy-storage system.
It should be noted that, these are only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
It should be noted that, can perform in the computer system of such as one group of computer executable instructions in the step shown in the flow chart of accompanying drawing, and, although show logical order in flow charts, but in some cases, can be different from the step shown or described by order execution herein.
The embodiment of the present invention additionally provides a kind of control device of energy-storage system, it should be noted that, the control device of the energy-storage system of the embodiment of the present invention may be used for performing the control method for energy-storage system that the embodiment of the present invention provides.Below the control device of the energy-storage system that the embodiment of the present invention provides is introduced.
Fig. 7 is the schematic diagram of the control device of energy-storage system according to the embodiment of the present invention.As shown in Figure 7, this device comprises: detecting unit 10, determining unit 20 and processing unit 30.
Detecting unit 10, for the running status of detection of grid, wherein, electrical network is the electrical network of being affiliated to energy-storage system.
Determining unit 20, for the running status determination control mode according to electrical network, wherein, control mode is the mode controlling energy-storage system.
Processing unit 30, for controlling energy-storage system to the process of electrical network executable operations according to control mode.
Preferably, in the control device of the energy-storage system provided in the embodiment of the present invention, detecting unit 10 also comprises: first detection module, whether the running status for detection of grid is the power load state at a low ebb of electrical network, wherein, determining unit 20 also comprises: the first determination module, for when detecting the power load of electrical network state at a low ebb, determine to fill out paddy control mode according to the power load of electrical network state at a low ebb, wherein, filling out paddy control mode is control energy-storage system electrical network to be performed to the mode increasing power load, processing unit 30 also comprises: the first processing module, for controlling according to filling out paddy control mode the power load that energy-storage system increases electrical network.
Preferably, in the control device of the energy-storage system provided in the embodiment of the present invention, detecting unit 10 also comprises: the second detection module, whether the running status for detection of grid is that electrical network is in malfunction, wherein, determining unit 20 also comprises: the second determination module, for when detecting that electrical network is in malfunction, malfunction determination Fault Control mode is according to electrical network, wherein, Fault Control mode is the mode that control energy-storage system is powered to direct-current charging post, direct-current charging post is affiliated on electrical network, processing unit 30 also comprises: the second processing module, for controlling energy-storage system according to Fault Control mode, charging operations is performed to direct-current charging post.
Preferably, in the control device of the energy-storage system provided in the embodiment of the present invention, direct-current charging post comprises the first direct-current charging post and the second direct-current charging post, be connected by the first switch between first direct-current charging post with the second direct-current charging post, whether this device also comprises: first module, break down for detecting the first switch; Second unit, for when detecting that the first switch breaks down, performs charging operations by electrical network to energy-storage system; And Unit the 3rd, for energy-storage system, powered operation is performed to the first direct-current charging post and the second direct-current charging post.
The control device of the energy-storage system that the embodiment of the present invention provides, by the running status of detecting unit 10 detection of grid, wherein, electrical network is the electrical network of being affiliated to energy-storage system; Determining unit 20 is according to the running status determination control mode of electrical network, and wherein, control mode is the mode controlling energy-storage system; And processing unit 30 controls energy-storage system to the process of electrical network executable operations according to control mode, to solve in prior art when DC charging station in electrical network too much causes network load excessive, there is instable problem in operation of power networks, and then reaches the effect ensureing power grid operation.
It should be noted that, for aforesaid each embodiment of the method, in order to simple description, therefore it is all expressed as a series of combination of actions, but those skilled in the art should know, the present invention is not by the restriction of described sequence of movement, because according to the present invention, some step can adopt other orders or carry out simultaneously.Secondly, those skilled in the art also should know, the embodiment described in specification all belongs to preferred embodiment, and involved action and module might not be that the present invention is necessary.
In the above-described embodiments, the description of each embodiment is all emphasized particularly on different fields, in certain embodiment, there is no the part described in detail, can see the associated description of other embodiments.
In several embodiments that the application provides, should be understood that, disclosed device, the mode by other realizes.Such as, device embodiment described above is only schematic, the such as division of described unit, be only a kind of logic function to divide, actual can have other dividing mode when realizing, such as multiple unit or assembly can in conjunction with or another system can be integrated into, or some features can be ignored, or do not perform.
The described unit illustrated as separating component or can may not be and physically separates, and the parts as unit display can be or may not be physical location, namely can be positioned at a place, or also can be distributed in multiple network element.Some or all of unit wherein can be selected according to the actual needs to realize the object of the present embodiment scheme.
In addition, each functional unit in each embodiment of the present invention can be integrated in a processing unit, also can be that the independent physics of unit exists, also can two or more unit in a unit integrated.Above-mentioned integrated unit both can adopt the form of hardware to realize, and the form of SFU software functional unit also can be adopted to realize.
Obviously, those skilled in the art should be understood that, above-mentioned of the present invention each module or each step can realize with general calculation element, they can concentrate on single calculation element, or be distributed on network that multiple calculation element forms, alternatively, they can realize with the executable program code of calculation element, thus, they can be stored and be performed by calculation element in the storage device, or they are made into each integrated circuit modules respectively, or the multiple module in them or step are made into single integrated circuit module to realize.Like this, the present invention is not restricted to any specific hardware and software combination.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a control method for energy-storage system, is characterized in that, comprising:
The running status of detection of grid, wherein, described electrical network is the electrical network of being affiliated to energy-storage system;
According to the running status determination control mode of described electrical network, wherein, described control mode is the mode controlling described energy-storage system; And
Described energy-storage system is controlled to the process of described electrical network executable operations according to described control mode.
2. method according to claim 1, is characterized in that, the running status of described electrical network comprises one or more states following:
The power load state at a low ebb of described electrical network;
Described electrical network is in the state broken down; And
The power load of described electrical network is in peak state.
3. method according to claim 2, is characterized in that,
The running status of detection of grid comprises: whether the running status detecting described electrical network is the power load state at a low ebb of described electrical network,
Wherein, running status determination control mode according to described electrical network comprises: if detect the power load of described electrical network state at a low ebb, determine to fill out paddy control mode according to the power load of described electrical network state at a low ebb, wherein, described paddy control mode of filling out is control described energy-storage system described electrical network to be performed to the mode increasing power load
Control described energy-storage system according to described control mode to comprise the process of described electrical network executable operations: control according to described paddy control mode of filling out the power load that described energy-storage system increases described electrical network.
4. method according to claim 2, is characterized in that,
The running status of detection of grid comprises: whether the running status detecting described electrical network is that the power load of described electrical network is in peak state,
Wherein, running status determination control mode according to described electrical network comprises: if detect that the power load of described electrical network is in peak state, be in peak state according to the power load of described electrical network and determine peak control mode, wherein, described peak control mode is control described energy-storage system described electrical network to be performed to the mode reducing power load
Control described energy-storage system according to described control mode to comprise the process of described electrical network executable operations: control according to described peak control mode the power load that described energy-storage system reduces described electrical network.
5. method according to claim 2, is characterized in that,
The running status of detection of grid comprises: whether the running status detecting described electrical network is that described electrical network is in malfunction,
Wherein, running status determination control mode according to described electrical network comprises: if detect that described electrical network is in malfunction, malfunction determination Fault Control mode is according to described electrical network, wherein, described Fault Control mode is the mode that the described energy-storage system of control is powered to direct-current charging post, described direct-current charging post is affiliated on described electrical network
Control described energy-storage system according to described control mode to comprise the process of described electrical network executable operations: control described energy-storage system according to described Fault Control mode and perform charging operations to described direct-current charging post.
6. method according to claim 5, it is characterized in that, described direct-current charging post comprises the first direct-current charging post and the second direct-current charging post, be connected by the first switch between described first direct-current charging post with described second direct-current charging post, before the running status of detection of grid, described method also comprises:
Detect described first switch whether to break down;
If detect that described first switch breaks down, by described electrical network, charging operations is performed to described energy-storage system; And
Described energy-storage system performs powered operation to described first direct-current charging post and described second direct-current charging post.
7. a control device for energy-storage system, is characterized in that, comprising:
Detecting unit, for the running status of detection of grid, wherein, described electrical network is the electrical network of being affiliated to energy-storage system;
Determining unit, for the running status determination control mode according to described electrical network, wherein, described control mode is the mode controlling described energy-storage system; And
Processing unit, for controlling described energy-storage system to the process of described electrical network executable operations according to described control mode.
8. device according to claim 7, is characterized in that,
Described detecting unit also comprises: first detection module, for detecting the power load the state at a low ebb whether running status of described electrical network is described electrical network,
Wherein, described determining unit also comprises: the first determination module, for when detecting the power load of described electrical network state at a low ebb, determine to fill out paddy control mode according to the power load of described electrical network state at a low ebb, wherein, described paddy control mode of filling out is control described energy-storage system described electrical network to be performed to the mode increasing power load
Described processing unit also comprises: the first processing module, controls for filling out paddy control mode described in basis the power load that described energy-storage system increases described electrical network.
9. device according to claim 7, is characterized in that,
Described detecting unit also comprises: the second detection module, for detecting whether the running status of described electrical network is that described electrical network is in malfunction,
Wherein, described determining unit also comprises: the second determination module, for when detecting that described electrical network is in malfunction, malfunction determination Fault Control mode is according to described electrical network, wherein, described Fault Control mode is the mode that the described energy-storage system of control is powered to direct-current charging post, and described direct-current charging post is affiliated on described electrical network
Described processing unit also comprises: the second processing module, performs charging operations for controlling described energy-storage system according to described Fault Control mode to described direct-current charging post.
10. device according to claim 9, it is characterized in that, described direct-current charging post comprises the first direct-current charging post and the second direct-current charging post, and be connected by the first switch between described first direct-current charging post with described second direct-current charging post, described device also comprises:
Whether first module, break down for detecting described first switch;
Second unit, for when detecting that described first switch breaks down, performs charging operations by described electrical network to described energy-storage system; And
Unit the 3rd, performs powered operation for described energy-storage system to described first direct-current charging post and described second direct-current charging post.
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