CN110299735A - Integrated form power battery pack, energy-storage system and the method using the energy storage of echelon battery pack - Google Patents
Integrated form power battery pack, energy-storage system and the method using the energy storage of echelon battery pack Download PDFInfo
- Publication number
- CN110299735A CN110299735A CN201810247315.4A CN201810247315A CN110299735A CN 110299735 A CN110299735 A CN 110299735A CN 201810247315 A CN201810247315 A CN 201810247315A CN 110299735 A CN110299735 A CN 110299735A
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- Prior art keywords
- battery pack
- power battery
- integrated form
- energy
- form power
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Classifications
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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
- H02J15/00—Systems for storing electric energy
-
- 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
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0013—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries acting upon several batteries simultaneously or sequentially
-
- 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
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0068—Battery or charger load switching, e.g. concurrent charging and load supply
-
- 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
- H02J2207/00—Indexing scheme relating to details of circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J2207/20—Charging or discharging characterised by the power electronics converter
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
This disclosure relates to a kind of integrated form power battery pack, energy-storage system and the method using the energy storage of echelon battery pack, belong to energy field, the flexibility ratio that echelon utilizes can be increased again, increase the flexible design degree of energy-storage system, and can satisfy the different demands of different clients.The energy-storage system includes the echelon battery pack of multiple parallel connections, and the echelon battery pack is the integrated form power battery pack being used directly.
Description
Technical field
This disclosure relates to energy field, and in particular, to a kind of integrated form power battery pack, energy-storage system and use echelon
The method of battery pack energy storage.
Background technique
Currently, the power battery pack got off retired on electric car again echelon is used energy-accumulating power station etc.
It when requiring power battery pack in relatively low occasion, needs to disassemble retired power battery pack, also i.e. by power
Battery modules and battery management unit in battery pack decouple, and are then individually tested the battery modules decoupled, are sieved
Choosing is matched so that battery modules similar in battery status parameter (capacity, voltage etc.) are reformulated battery pile, then will again
The battery pile of composition is applied to the energy-storage system of energy-accumulating power station, the energy reserve unit as the energy-storage system.Moreover, under dismantling
The battery management unit come can be eliminated processing, and need to the battery in the energy-storage system using the battery pile reformulated
Administrative unit carries out redesign exploitation, manufacture and matching.Therefore, the existing Utilization plan of echelon again increase labour and at
This.
Summary of the invention
Purpose of this disclosure is to provide a kind of integrated form power battery pack, energy-storage system and use the energy storage of echelon battery pack
Method can overcome defect present in the existing Utilization plan of echelon again.
To achieve the goals above, the disclosure provides a kind of integrated form power battery pack, the integrated form power battery pack packet
The voltage transformation module for including backpack body, the intracorporal power battery module of the packet being set and is integrated with the backpack body,
Wherein, the voltage transformation module and the power battery module are connected in series, and the voltage transformation module is used in the collection
The DC output voltage of the power battery module is converted into predetermined DC voltage when accepted way of doing sth power battery pack is discharged.
Optionally, the voltage transformation module is also used to input to when the integrated form power battery pack charges described
The charging voltage of integrated form power battery pack is converted into the voltage for being suitble to charge to the power battery module.
Optionally, the voltage transformation module is DC/DC conversion module.
Optionally, the DC/DC conversion module is two-way DC/DC conversion module.
Optionally, the voltage transformation module is arranged in the backpack body or is fixed on the outer wall of the backpack body.
Optionally, the power battery module includes multiple battery modules connected and/or be connected in parallel.
Optionally, it is additionally provided with distribution box in the backpack body, the electric current of the bus for detecting the power battery module,
And the movement that each contactor in charging and discharging circuit is controlled in the integrated form power battery pack charge and discharge executes.
Optionally, the power battery module includes battery control unit, multiple battery modules and multiple battery management lists
Member, the multiple battery modules and the multiple battery management unit correspond and the battery management unit be used for its
Corresponding battery modules are managed, and the battery control unit is for being managed the power battery module.
Optionally, the backpack body includes two cavitys, and one of cavity is for accommodating the multiple battery modules and institute
Multiple battery management units are stated, another cavity is for accommodating the battery control unit, the voltage transformation module and described
Distribution box.
The disclosure also provides a kind of energy-storage system, which includes the echelon battery pack of multiple parallel connections, the echelon
Battery pack is to be used directly according to integrated form power battery pack described above.
Optionally, the energy-storage system further includes DC/AC conversion module, switchgear and transformer, multiple echelon electricity
It is sequentially connected in series after pond packet is in parallel with the DC/AC conversion module, the switchgear and the transformer.
Optionally, the DC/AC conversion module is two-way DC/AC conversion module.
Optionally, the switchgear for realizing during the energy-storage system charge and discharge relay protection and electric quantity metering.
Optionally, the echelon battery pack of multiple parallel connections is electrically connected by dc bus with the DC/AC conversion module.
Optionally, the switchgear is low-tension switch cabinet.
The disclosure also provides a kind of method for carrying out energy storage using echelon battery pack, and the echelon battery pack is directly to be made
According to integrated form power battery pack described above, this method comprises:
In multiple integrated form power battery packs being used directly in parallel, with the integrated form power battery pack
The voltage transformation module that integrates of backpack body receive be arranged in the same integrated form power battery pack packet it is intracorporal dynamic
The DC output voltage of power battery module；
The voltage transformation module in multiple integrated form power battery packs being used directly in parallel will connect
The DC output voltage received is converted into predetermined DC voltage.
By using above-mentioned technical proposal, since the voltage transformation module in integrated form power battery pack can be in energy storage system
The DC output voltage of the power battery module in integrated form power battery pack is converted into predetermined DC voltage when system electric discharge, because
This is when configured in this way integrated form power battery pack is applied directly in energy-storage system as echelon battery pack, without considering
Whether the battery status parameters such as retired voltage, capacity, the electricity of integrated form power battery pack to get off are with uniformity, this is greatly
Ground increases the flexibility ratio that echelon again utilizes, and increases the flexible design degree of energy-storage system, and can satisfy different clients
Different demands.In addition, since the retired integrated form power battery pack got off is without dismantling and recombination, so compared with the prior art
For, the cost and labour that echelon again utilizes are saved, screening difficulty is reduced, improves economic results in society, but also
The battery management system in original integrated form power battery pack is remained, does not need development and application again in the battery of energy-storage system
Management system, and the energy-storage system of diversification configuration can also be provided to cope with the different market demand and network voltage, it mentions
The high market competitiveness and customer satisfaction of energy storaging product.
Other feature and advantage of the disclosure will the following detailed description will be given in the detailed implementation section.
Detailed description of the invention
Attached drawing is and to constitute part of specification for providing further understanding of the disclosure, with following tool
Body embodiment is used to explain the disclosure together, but does not constitute the limitation to the disclosure.In the accompanying drawings:
Fig. 1 is the schematic block diagram according to a kind of integrated form power battery pack of embodiment of the disclosure；
Fig. 2 is the another schematic block diagram according to a kind of integrated form power battery pack of embodiment of the disclosure；
Fig. 3 is another schematic block diagram according to a kind of integrated form power battery pack of embodiment of the disclosure；
Fig. 4 is according to a kind of schematic block diagram of the energy-storage system of embodiment of the disclosure；
Fig. 5 is according to a kind of another schematic block diagram of the energy-storage system of embodiment of the disclosure；
Fig. 6 is the flow chart according to a kind of method for carrying out energy storage using echelon battery pack of embodiment of the disclosure.
Specific embodiment
It is described in detail below in conjunction with specific embodiment of the attached drawing to the disclosure.It should be understood that this place is retouched
The specific embodiment stated is only used for describing and explaining the disclosure, is not limited to the disclosure.
Before detailed description is according to each embodiment of the disclosure, related used in the disclosure arrange is explained first
The meaning of diction.Wherein, the meaning of wording " echelon battery pack " is primarily referred to as the upper retired power battery pack got off such as electric car,
The meaning of wording " being used directly " is primarily referred to as not passing through from the upper retired power battery pack got off such as electric car any
Decomposition and recombination, but be applied directly in a certain system, in such as energy-storage system.Wording " predetermined DC voltage " contains
Justice refers to meet the battery status parameter coherence request of echelon battery pack and pre-set DC voltage.
Next each embodiment according to the disclosure is described in detail.
Fig. 1 shows the schematic block diagram of the integrated form power battery pack according to a kind of embodiment of the disclosure.As shown in Figure 1,
The integrated form power battery pack 10 include backpack body (not shown), setting the intracorporal power battery module 101 of the packet and with
The voltage transformation module 102 that the backpack body integrates, wherein the voltage transformation module 102 and the power battery mould
Block 101 is connected in series, and the voltage transformation module 102 is used for the power in the integrated form power battery pack 10 electric discharge
The DC output voltage of battery module 101 is converted into predetermined DC voltage.
Wherein, voltage transformation module 102 refers to that voltage transformation module 102 can be set with the meaning that backpack body integrates
It sets in the backpack body or can be fixed on the outer wall of the backpack body.The meaning of power battery module 101 refers to, power electric
Pond module 101 may include multiple battery modules connected and/or be connected in parallel.
By using above-mentioned technical proposal, since voltage transformation module 102 can discharge in integrated form power battery pack 10
When the DC output voltage of power battery module 101 is converted into predetermined DC voltage, therefore when configured in this way integrated form is dynamic
Power battery pack 10 from electric car etc. it is upper it is retired get off after can be applied directly to without dismantling and recombination
Voltage, appearance in the energy-storage system of such as energy-accumulating power station etc, without regard to the retired integrated form power battery pack 10 got off
Whether the battery status parameters such as amount, electricity are with uniformity, and which greatly increases the flexibility ratios that echelon again utilizes, and increase
The flexible design degree of the energy-storage system of application integration formula power battery pack 10, and can satisfy the different demands of different clients.Separately
Outside, since the retired integrated form power battery pack 10 got off is without dismantling and recombination, so being saved for compared with the prior art
Again the cost that echelon utilizes and labour, reduce screening difficulty, improve economic results in society, and also retain original
Battery management system in integrated form power battery pack 10 does not need development and application again in the battery management system of energy-storage system
System, and the energy-storage system of diversification configuration can also be provided to cope with the different market demand and network voltage, improve storage
It can the competitiveness of product in market and customer satisfaction.
In a kind of possible embodiment, voltage transformation module 102 is also used to charge in integrated form power battery pack 10
When the charging voltage for inputing to integrated form power battery pack 10 is converted into the voltage for being suitble to charge to power battery module 101,
To realize the convenient charging of integrated form power battery pack 10, the topological structure of integrated form power battery pack 10 is simplified, is subtracted
The small volume of integrated form power battery pack 10.
Preferably, voltage transformation module 102 can be DC/DC conversion module.DC/DC conversion module can be unidirectional DC/
DC conversion module or two-way DC/DC conversion module, it is preferred that being two-way DC/DC conversion module, in order to voltage modulus of conversion
The DC output voltage of power battery module 101 can either be converted into predetermined DC voltage to complete integrated form power by block 102
The electric discharge of battery pack 10, but can be converted into charging voltage can be to the DC voltage that power battery module 101 charges with complete
At the charging of integrated form power battery pack 10, and then the topological structure of integrated form power battery pack 10 can be simplified, reduce collection
The volume of accepted way of doing sth power battery pack 10.
Fig. 2 shows another schematic block diagrams according to the integrated form power battery pack 10 of disclosure embodiment a kind of.Fig. 2 institute
The difference of the integrated form power battery pack 10 shown and integrated form power battery pack 10 shown in FIG. 1 is, integrated form power battery
Packet 10 further includes distribution box 103, the electric current of the bus for detecting the power battery module 101, and dynamic in the integrated form
The movement that each contactor in charging and discharging circuit is controlled when power 10 charge and discharge of battery pack executes.It, can by using distribution box 103
Enhance the safety in utilization of integrated form power battery pack 10.
Fig. 3 shows the another schematic block diagram of the integrated form power battery pack 10 according to a kind of embodiment of the disclosure, such as Fig. 3
Shown, power battery module 101 includes battery control unit 1011, multiple battery modules 1012 and multiple battery management units
1013, the multiple battery modules 1012 and the multiple battery management unit 1013 correspond and the battery management unit
1013 for being managed corresponding battery modules 1012, and the battery control unit 1011 is used for the power electric
Pond module 101 is managed.
Preferably, as shown in figure 3, the backpack body of integrated form power battery pack 10 may include two cavitys A and B, lumen
Body A is for accommodating the multiple battery modules 1012 and the multiple battery management unit 1013, and cavity B is for accommodating the electricity
Pond control unit 1011, the voltage transformation module 102 and the distribution box 103.It is configured in this way by being carried out to the backpack body,
Be conducive to heat dissipation and the placement-and-routing of integrated form power battery pack 10.
Fig. 4 shows the schematic block diagram of the energy-storage system 1 according to a kind of embodiment of the disclosure, as shown in figure 4, the energy storage system
System 1 includes the echelon battery pack 210 of multiple parallel connections1~210n, the echelon battery pack is that the combination Fig. 1 to 3 being used directly is retouched
The integrated form power battery pack 10 according to a kind of embodiment of the disclosure stated.
By using above-mentioned technical proposal, since the voltage transformation module 102 in integrated form power battery pack 10 can be
The DC output voltage of power battery module 101 in integrated form power battery pack 10 is converted into pre- by energy-storage system 1 when discharging
If DC voltage, therefore when configured in this way integrated form power battery pack 10 is applied directly to energy storage system as echelon battery pack
When in system 1, without considering that the battery status parameters such as retired voltage, capacity, the electricity of integrated form power battery pack 10 to get off are
No with uniformity, which greatly increases the flexibility ratios that echelon again utilizes, and increase the flexible design degree of energy-storage system 1,
And it can satisfy the different demands of different clients.In addition, due to the retired integrated form power battery pack 10 got off without dismantling and
Recombination, so saving the cost and labour that echelon again utilizes for compared with the prior art, reducing screening difficulty, mention
High economic results in society, and the battery management system in original integrated form power battery pack 10 is also retained, do not need weight
Battery management system newly developed applied to energy-storage system 1, and the energy-storage system 1 of diversification configuration can also be provided to cope with
The different market demands and network voltage improves the market competitiveness and customer satisfaction of energy storaging product.
Fig. 5 shows the another schematic block diagram of the energy-storage system 1 according to a kind of embodiment of the disclosure.As shown in figure 5, in addition to
Echelon battery pack 2101~210n, energy-storage system 1 further includes DC/AC conversion module 211, switchgear 212 and transformer 213, wherein
Multiple echelon battery packs 2101~210nIt is successively gone here and there after in parallel with DC/AC conversion module 211, switchgear 212 and transformer 213
Connection, switchgear 212 are connected to the echelon battery pack 210 of multiple parallel connections1~210nBetween transformer 213.By to energy-storage system
1 carry out it is configured in this way, it will be able to during energy-storage system 1 is connected to the grid.
Preferably, DC/AC conversion module 211 can be unidirectional DC/AC conversion module or two-way DC/AC conversion module,
It is preferred that being two-way DC/AC conversion module, in order to which DC/AC conversion module 211 can either be by the echelon battery of multiple parallel connections
The predetermined DC voltage of packet output is converted into alternating voltage to complete the electric discharge of energy-storage system 1, and can convert charging voltage
The echelon battery pack of multiple parallel connections is inputed to complete the charging of energy-storage system 1 at DC voltage, and then can simplify energy storage system
The topological structure of system 1, reduces the volume of energy-storage system 1.
Preferably, switchgear 212 can be used to implement the relay protection during 1 charge and discharge of energy-storage system and electric quantity metering.
Preferably, the echelon battery pack 210 of multiple parallel connections1~210nPass through 211 electricity of dc bus and DC/AC conversion module
Connection.In this way, in 1 charge and discharge of energy-storage system, it will be able to realize the echelon battery pack 210 of multiple parallel connections according to certain instruction1
~210nCharge and discharge.
Preferably, switchgear 212 can be low-tension switch cabinet or high-tension switch cabinet, preferably low-tension switch cabinet.
Below with reference to the topological structure of energy-storage system 1 shown in fig. 5, to be used directly as echelon battery pack 2101~210n
Integrated form power battery pack 10 in voltage transformation module 102 be that two-way DC/DC conversion module, DC/AC conversion module 211 are
For two-way DC/AC conversion module, according to the discharge process of the energy-storage system 1 of the embodiment of the present disclosure and charged come description of illustrating
Journey.
Discharge process is described first.Firstly, being used as the integrated form power battery of echelon battery pack 210 being used directly
Two-way DC/DC conversion module 102 in packet is by the power battery module 101 in the integrated form power battery pack being used directly
DC output voltage is converted into predetermined DC voltage；Then the predetermined DC voltage after converting is transferred to two-way by dc bus
DC/AC conversion module 211；Then the predetermined DC voltage received is converted into alternating current by two-way DC/AC conversion module 211
Pressure, the alternating voltage is by the relay protection of switchgear 212 and electric quantity metering processing and a certain proportion of electricity of transformer 213
Electrical equipment is exported to after pressure conversion process.In this way, energy-storage system 1 can be realized as discharge process.
Next description charging process.Firstly, charging alternating voltage (such as charging alternating voltage from power grid) is passed through
By two-way DC/ after the relay protection of a certain proportion of voltage transformation and switchgear 212 of transformer 213 and electric quantity metering processing
AC conversion module 211 is converted into DC voltage, and the DC voltage being converted to is passed according to certain instruction by dc bus
The two-way DC/DC conversion module 102 being defeated by the multiple integrated form power battery packs for being used directly as echelon battery pack；Then,
Two-way DC/DC conversion module 102, which is converted into the DC voltage received to be suitble to give its concatenated power battery module 101, to be filled
The DC charging voltage of electricity.Energy-storage system 1 can be realized as charging process in this way.
Fig. 6 shows the flow chart of the method that energy storage is carried out using echelon battery pack according to a kind of embodiment of the disclosure,
Wherein, the echelon battery pack is the integrated form power battery pack 10 that the combination Fig. 1 to 3 being used directly is described, this method packet
It includes:
In step s 601, in multiple integrated form power battery packs being used directly in parallel, with the collection
The voltage transformation module that the backpack body of accepted way of doing sth power battery pack integrates, which receives, to be arranged in the same integrated form power battery
The DC output voltage of the intracorporal power battery module of packet of packet；And
In step S602, the voltage in multiple integrated form power battery packs being used directly in parallel turns
The DC output voltage received is converted into predetermined DC voltage by mold changing block.
By using above-mentioned technical proposal, since the voltage transformation module 102 in integrated form power battery pack 10 can incite somebody to action
The DC output voltage of power battery module 101 in integrated form power battery pack 10 is converted into predetermined DC voltage, therefore works as
When configured in this way integrated form power battery pack 10 is used directly to energy storage as echelon battery pack, retired get off without considering
Whether the battery status parameters such as voltage, capacity, the electricity of integrated form power battery pack 10 are with uniformity, which greatly increases
Again the flexibility ratio that echelon utilizes, and can satisfy the different demands of different clients.In addition, since the retired integrated form to get off is dynamic
Power battery pack 10 is without dismantling and recombination, so saving the cost and labor that echelon again utilizes for compared with the prior art
Power reduces screening difficulty, improves economic results in society, and also retains the electricity in original integrated form power battery pack 10
Pond management system does not need development and application again in the battery management system of energy-storage system, and the market for improving energy storaging product is competing
Strive power and customer satisfaction.
Operate involved in each step in the method for energy storage using echelon battery pack according to the embodiment of the present disclosure
Specific implementation be described in detail in the embodiment according to the energy-storage system 1 of the embodiment of the present disclosure, herein
It repeats no more.
The preferred embodiment of the disclosure is described in detail in conjunction with attached drawing above, still, the disclosure is not limited to above-mentioned reality
The detail in mode is applied, in the range of the technology design of the disclosure, a variety of letters can be carried out to the technical solution of the disclosure
Monotropic type, these simple variants belong to the protection scope of the disclosure.
It is further to note that specific technical features described in the above specific embodiments, in not lance
In the case where shield, it can be combined in any appropriate way.In order to avoid unnecessary repetition, the disclosure to it is various can
No further explanation will be given for the combination of energy.
In addition, any combination can also be carried out between a variety of different embodiments of the disclosure, as long as it is without prejudice to originally
Disclosed thought equally should be considered as disclosure disclosure of that.
Claims (16)
1. a kind of integrated form power battery pack, which is characterized in that the integrated form power battery pack includes backpack body, is arranged in the packet
Intracorporal power battery module and the voltage transformation module integrated with the backpack body, wherein the voltage modulus of conversion
Block and the power battery module are connected in series, and the voltage transformation module is used in integrated form power battery pack electric discharge
The DC output voltage of the power battery module is converted into predetermined DC voltage.
2. integrated form power battery pack according to claim 1, which is characterized in that the voltage transformation module is also used to
When the integrated form power battery pack charges by the charging voltage for inputing to the integrated form power battery pack be converted into being suitble to
The voltage of the power battery module charging.
3. integrated form power battery pack according to claim 1, which is characterized in that the voltage transformation module is DC/DC
Conversion module.
4. integrated form power battery pack according to claim 3, which is characterized in that the DC/DC conversion module is two-way
DC/DC conversion module.
5. integrated form power battery pack according to claim 1, which is characterized in that the voltage transformation module is arranged in institute
It states in backpack body or is fixed on the outer wall of the backpack body.
6. integrated form power battery pack according to claim 1, which is characterized in that the power battery module includes multiple
The battery modules connected and/or be connected in parallel.
7. according to claim 1 to integrated form power battery pack described in any claim in 6, which is characterized in that the packet
It is additionally provided with distribution box in vivo, the electric current of the bus for detecting the power battery module, and in the integrated form power electric
The movement that each contactor in charging and discharging circuit is controlled when the packet charge and discharge of pond executes.
8. integrated form power battery pack according to claim 7, which is characterized in that the power battery module includes battery
Control unit, multiple battery modules and multiple battery management units, the multiple battery modules and the multiple battery management list
Member corresponds and the battery management unit is for being managed corresponding battery modules, the battery control unit
For being managed to the power battery module.
9. integrated form power battery pack according to claim 8, which is characterized in that the backpack body includes two cavitys,
In cavity for accommodating the multiple battery modules and the multiple battery management unit, another cavity is for accommodating institute
State battery control unit, the voltage transformation module and the distribution box.
10. a kind of energy-storage system, which is characterized in that the energy-storage system includes the echelon battery pack of multiple parallel connections, the echelon electricity
Chi Bao is to be used directly according to claim 1 to integrated form power battery pack described in any claim in 9.
11. energy-storage system according to claim 10, which is characterized in that the energy-storage system further includes DC/AC modulus of conversion
Block, switchgear and transformer, after multiple echelon battery packs are in parallel with the DC/AC conversion module, the switchgear and institute
Transformer is stated to be sequentially connected in series.
12. energy-storage system according to claim 11, which is characterized in that the DC/AC conversion module turns for two-way DC/AC
Change the mold block.
13. energy-storage system according to claim 11 or 12, which is characterized in that the switchgear is for realizing the energy storage
Relay protection and electric quantity metering during system charge and discharge.
14. energy-storage system according to claim 11 or 12, which is characterized in that the echelon battery pack of multiple parallel connections is logical
Dc bus is crossed to be electrically connected with the DC/AC conversion module.
15. energy-storage system according to claim 11 or 12, which is characterized in that the switchgear is low-tension switch cabinet.
16. a kind of method for carrying out energy storage using echelon battery pack, which is characterized in that the echelon battery pack is to be used directly
According to claim 1 to integrated form power battery pack described in any claim in 9, this method comprises:
Packet in multiple integrated form power battery packs being used directly in parallel, with the integrated form power battery pack
The voltage transformation module that body integrates receives the intracorporal power electric of packet that the same integrated form power battery pack is arranged in
The DC output voltage of pond module；
The voltage transformation module in multiple integrated form power battery packs being used directly in parallel will receive
The DC output voltage be converted into predetermined DC voltage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810247315.4A CN110299735A (en) | 2018-03-23 | 2018-03-23 | Integrated form power battery pack, energy-storage system and the method using the energy storage of echelon battery pack |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810247315.4A CN110299735A (en) | 2018-03-23 | 2018-03-23 | Integrated form power battery pack, energy-storage system and the method using the energy storage of echelon battery pack |
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| CN110299735A true CN110299735A (en) | 2019-10-01 |
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| CN106936149A (en) * | 2017-04-19 | 2017-07-07 | 上海蔚来汽车有限公司 | Chain type energy storage device and energy-accumulating power station |
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|---|---|---|---|---|
| US20070195557A1 (en) * | 2006-02-21 | 2007-08-23 | Ut-Battelle Llc | Triple voltage DC-to-DC converter and method |
| CN205081480U (en) * | 2015-09-17 | 2016-03-09 | 比亚迪股份有限公司 | Battery energy storage system |
| CN106849368A (en) * | 2016-10-25 | 2017-06-13 | 蔚来汽车有限公司 | Modularized energy storage power station based on echelon battery |
| CN206293926U (en) * | 2016-12-19 | 2017-06-30 | 西京学院 | A control system for cascade utilization of decommissioned power batteries |
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Application publication date: 20191001 |