CN110266081A - A kind of energy-accumulating power station and its compatibilizing method - Google Patents
A kind of energy-accumulating power station and its compatibilizing method Download PDFInfo
- Publication number
- CN110266081A CN110266081A CN201910630747.8A CN201910630747A CN110266081A CN 110266081 A CN110266081 A CN 110266081A CN 201910630747 A CN201910630747 A CN 201910630747A CN 110266081 A CN110266081 A CN 110266081A
- Authority
- CN
- China
- Prior art keywords
- volume
- increase
- battery pack
- battery
- energy
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims abstract description 22
- 238000004146 energy storage Methods 0.000 claims description 19
- 230000005611 electricity Effects 0.000 claims description 18
- 238000004891 communication Methods 0.000 claims description 7
- 102220052459 rs200562715 Human genes 0.000 claims description 4
- 102220101353 rs61735044 Human genes 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 4
- 238000012983 electrochemical energy storage Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 3
- 239000002253 acid Substances 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 230000006378 damage Effects 0.000 description 3
- 229910052744 lithium Inorganic materials 0.000 description 3
- 230000032683 aging Effects 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 1
- 230000005779 cell damage Effects 0.000 description 1
- 208000037887 cell injury Diseases 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- 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
- 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
-
- 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
- H02J7/0014—Circuits for equalisation of charge between batteries
- H02J7/0016—Circuits for equalisation of charge between batteries using shunting, discharge or bypass circuits
-
- H02J7/0026—
-
- 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
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
- H02J7/0036—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits using connection detecting circuits
-
- 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
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
- H02J7/00302—Overcharge protection
-
- 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
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
- H02J7/00306—Overdischarge protection
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Secondary Cells (AREA)
Abstract
The embodiment of the invention discloses a kind of energy-accumulating power station and its compatibilizing method, the energy-accumulating power station includes multiple constant volume modules and at least one increase-volume module, at least one increase-volume module and constant volume wired in parallel are arranged；Increase-volume module includes increase-volume battery pack and increase-volume battery pack protection unit；Constant volume module includes constant volume battery pack and constant volume battery pack protection unit；The rated operational voltage U1 of increase-volume battery pack protection unit and the rated operational voltage U2 of constant volume battery pack protection unit meet U1=U2；The rated operational current I1 of increase-volume battery pack protection unit meets I1=U1/R1, and R1 is the resistance value of increase-volume battery pack.By adopting the above technical scheme, the rated operational voltage and rated operational current of increase-volume battery pack protection unit are rationally set, the scheme of energy-accumulating power station increase-volume not only may be implemented, it can also be ensured that the safety of energy-accumulating power station, energy-accumulating power station increase-volume scheme are practical.
Description
Technical field
The present embodiments relate to technical field of energy storage more particularly to a kind of energy-accumulating power stations and its compatibilizing method.
Background technique
Energy storage is smart grid, the high accounting energy resource system of renewable energy, the important component of energy internet and pass
Key support technology.It moves to maturity using lithium electricity, plumbic acid, liquid stream as the continuous development of the electrochemical energy storage technology of representative, electrochemical energy storage
Be application range the most extensively, the maximum energy storage technology of development potentiality.Currently, the exploitation of global energy storage technology is concentrated mainly on electricity
Chemical energy storage field.China is completed more electrochemical energy storage power plant constructions and puts into operation.
In the operational process in electrochemical energy storage power station, due to the energy-storage battery loop cycle and aging in energy-accumulating power station
The maximum available of reason, energy-storage battery can reduce gradually, become smaller so as to cause the capacity in power station, can not reach power plant construction
The capacity at initial stage, and then influence the actual performance in power station.For this reason, it may be necessary to which the battery of energy-accumulating power station is replaced or is supplemented
New battery, to maintain the property retention of energy-accumulating power station constant.
Due to the inherent characteristic of energy-storage battery, new used batteries, which are used with, unreasonable will appear security risk.New used batteries are direct
In parallel: when electric discharge, new and old battery power discharge electric current disequilibrium, new battery pack provides high current, and used batteries provide low current, newly
Battery over-discharge accelerates new cell degradation, easily leads to new cell damage；It, should since used batteries internal resistance is relatively large when charging
The excessive load of the charging current that multiple groups are divided equally leads to used batteries undercharge, new battery pack in the small new battery pack of internal resistance
Overcharge damages battery.New used batteries are directly connected: when electric discharge, since the capacity of new battery is bigger than used batteries capacity, being discharged
When be easy to cause used batteries excessively generate electricity, seriously will cause battery antipole, to cause accident.When charging, due to used batteries
Internal resistance is relatively large, and new battery is relatively small, causes the also underfill of new battery, and used batteries are excessively high, lead to used batteries over-voltage, damage
Bad battery.
Summary of the invention
In view of this, the embodiment of the present invention provides a kind of energy-accumulating power station and its compatibilizing method, with solve in the prior art because
New used batteries configure the improper technical problem for causing energy-accumulating power station increase-volume difficulty in energy-accumulating power station capacity increasing process.
In a first aspect, the embodiment of the invention provides a kind of energy-accumulating power station, including multiple constant volume modules and at least one increasing
Molar block, at least one described increase-volume module and the constant volume wired in parallel are arranged；
The increase-volume module includes increase-volume battery pack and increase-volume battery pack protection unit；The constant volume module includes constant volume electricity
Pond group and constant volume battery pack protection unit；
The rated operational voltage U1 of the increase-volume battery pack protection unit is specified with the constant volume battery pack protection unit
Operating voltage U2 meets U1=U2；
The rated operational current I1 of the increase-volume battery pack protection unit meets I1=U1/R1, and R1 is the increase-volume battery
The resistance value of group.
Optionally, the increase-volume battery pack protection unit includes increase-volume fuse, increase-volume contactor and increase-volume breaker；
The increase-volume battery pack includes the first signal end and second signal end；The increase-volume breaker includes that the first control is opened
It closes and the second control switch；
First signal end passes sequentially through the increase-volume fuse and the increase-volume contactor and opens with first control
Powered-down connection；
The second signal end is electrically connected with second control switch.
Optionally, the constant volume battery pack protection unit includes constant volume fuse, constant volume contactor and constant volume breaker；
The rated operational voltage U21 of the rated operational voltage U11 of the increase-volume fuse and the constant volume fuse meets
U11=U21；The rated operational current I11 of the increase-volume fuse meets I11=U11/R1, and R1 is the increase-volume battery pack
Resistance value；
The rated operational voltage U22 of the rated operational voltage U12 of the increase-volume contactor and the constant volume contactor meets
U12=U22；The rated operational current I12 of the increase-volume contactor meets I12=U12/R1, and R1 is the increase-volume battery pack
Resistance value；
The rated operational voltage U23 of the rated operational voltage U13 of the increase-volume breaker and the constant volume breaker meets
U13=U23；The rated operational current I13 of the increase-volume breaker meets I13=U13/R1, and R1 is the increase-volume battery pack
Resistance value.
Optionally, the increase-volume module further includes capacity-increasing cable；
First signal end is electrically connected by the capacity-increasing cable with the increase-volume fuse；
The increase-volume fuse is electrically connected by the capacity-increasing cable with the increase-volume contactor；
The increase-volume contactor is electrically connected by the capacity-increasing cable with first control switch；
The second signal end is electrically connected by the capacity-increasing cable with second control switch；
The current-carrying capacity I2 of the capacity-increasing cable and the rated operational current I1 of the increase-volume battery protection unit meet I2
≥I1。
Optionally, the increase-volume battery pack includes multiple increase-volume battery clusters, and the constant volume battery pack includes multiple constant volume electricity
Pond cluster；
The type selecting of the increase-volume battery cluster is identical as the type selecting of the constant volume battery cluster；
The quantity n2 of the quantity n1 of the increase-volume battery cluster and the constant volume battery cluster meets n1=n2；
The connection type of multiple increase-volume battery clusters is identical as the connection type of multiple constant volume battery clusters.
Optionally, the increase-volume module further includes multiple increase-volume battery cluster management units and increase-volume battery set management unit；
The increase-volume battery cluster management unit and the increase-volume battery cluster are corresponded and are communicated to connect；
Multiple increase-volume battery cluster management units are connect with the increase-volume battery set management unit communication.
Optionally, the constant volume module further includes constant volume battery cluster management unit and constant volume battery set management unit；
The increase-volume battery cluster management unit and the constant volume battery cluster management unit have identical running parameter；
The increase-volume battery set management unit and the constant volume battery set management unit have identical running parameter.
Optionally, the energy-accumulating power station further includes battery management module and energy storage electric current device；
The increase-volume battery set management unit and the constant volume battery set management unit are logical with the battery management module
Letter connection；
The battery management module and the energy storage electric current device communicate to connect.
Optionally, the battery management module further includes at least one increase-volume interface；
The increase-volume battery set management unit is communicated to connect by the increase-volume interface and the battery management module.
Second aspect, the embodiment of the invention provides a kind of energy-accumulating power station compatibilizing methods, applied to described in first aspect
Energy-accumulating power station, comprising:
Determine the increase-volume capacity of energy-accumulating power station；
The quantity of increase-volume module is determined according to the capacity of the increase-volume capacity and single increase-volume module；
Increase-volume module is set according to the quantity of the increase-volume module and constant volume wired in parallel is arranged；
Wherein, the increase-volume module includes increase-volume battery pack and increase-volume battery protection unit；The constant volume module includes fixed
Hold battery pack and constant volume battery pack protection unit；
The nominal operation of the rated operational voltage U1 of the increase-volume battery protection unit and the constant volume battery protection unit
Voltage U2 meets U1=U2；
The rated operational current I1 of the increase-volume battery protection unit meets I1=U1/R1, and R1 is the increase-volume battery pack
Resistance value.
Energy-accumulating power station and its compatibilizing method provided in an embodiment of the present invention, energy-accumulating power station include multiple constant volume modules and at least
One increase-volume module, at least one increase-volume module and the constant volume wired in parallel are arranged；Increase-volume module include increase-volume battery pack and
Increase-volume battery pack protection unit, constant volume module include constant volume battery pack and constant volume battery pack protection unit；Pass through setting increase-volume electricity
The rated operational voltage U1 of pond group protection location and the rated operational voltage U2 of constant volume battery pack protection unit meet U1=U2；Increase
The rated operational current I1 for holding battery pack protection unit meets I1=U1/R1, guarantees the specified work of increase-volume battery pack protection unit
Make voltage and rated operational current setting rationally, guarantees energy-accumulating power station safety, increase-volume under the premise of realizing energy-accumulating power station increase-volume
Scheme is practical, solve in the prior art because used batteries new in energy-accumulating power station capacity increasing process configure it is improper caused by energy-accumulating power station increase
Hold difficult technical problem.
Detailed description of the invention
By reading a detailed description of non-restrictive embodiments in the light of the attached drawings below, of the invention other
Feature, objects and advantages will become more apparent upon:
Fig. 1 is a kind of structural schematic diagram of the Energy Management System of energy-accumulating power station provided in an embodiment of the present invention；
Fig. 2 is a kind of flow diagram of energy-accumulating power station compatibilizing method provided in an embodiment of the present invention.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, below with reference to attached in the embodiment of the present invention
Figure, by specific embodiment, is fully described by technical solution of the present invention.Obviously, described embodiment is of the invention
A part of the embodiment, instead of all the embodiments, based on the embodiment of the present invention, those of ordinary skill in the art are not doing
The every other embodiment obtained under the premise of creative work out, falls within the scope of protection of the present invention.
Fig. 1 is a kind of structural schematic diagram of the Energy Management System of energy-accumulating power station provided in an embodiment of the present invention, such as Fig. 1 institute
Showing, energy-accumulating power station provided in an embodiment of the present invention includes multiple constant volume modules 10 and at least one increase-volume module 20, at least one
Increase-volume module 20 is arranged in parallel with constant volume module 10；
Increase-volume module 20 includes increase-volume battery pack 21 and increase-volume battery pack protection unit 22；Constant volume module 10 includes constant volume electricity
Pond group 11 and constant volume battery pack protection unit 12；
The rated operational voltage U1 of increase-volume battery pack protection unit 22 and the nominal operation of constant volume battery pack protection unit 12
Voltage U2 meets U1=U2；
The rated operational current I1 of increase-volume battery pack protection unit 22 meets I1=U1/R1, and R1 is increase-volume battery pack 21
Resistance value.
Optionally, increase-volume described in the embodiment of the present invention can be understood as increasing the energy storage capacity of energy-accumulating power station.When
When energy-accumulating power station needs increase-volume, if setting increase-volume module 20 and constant volume module 10 are arranged in series, stability is more difficult to control, deposits
In larger security risk, therefore setting of embodiment of the present invention increase-volume module 20 is arranged in parallel with constant volume module 10, guarantees energy storage electricity
It stands high stability, safety is higher.
Specifically, increase-volume module 20 includes increase-volume battery pack 21 and increase-volume battery pack protection unit 22, increase-volume battery pack is protected
Shield unit 22 is used in the electric discharge of increase-volume battery pack 21 and charging process protect increase-volume battery pack 21.The embodiment of the present invention
In, since increase-volume module 20 and constant volume module 10 are arranged in parallel, increase-volume battery pack protection unit 22 in increase-volume module 20 and fixed
Constant volume battery pack protection unit 12 in molar block 10 is arranged in parallel, therefore increase-volume battery pack protection unit 22 is arranged in specified work
The rated operational voltage U2 for making rated operational voltage U1 and constant volume battery pack protection unit 12 under state meets U1=U2, guarantees
Increase-volume battery pack protection unit 22 is arranged simply, it is only necessary to increase-volume battery pack protection unit 22 and constant volume battery pack protection unit be arranged
12 are arranged in parallel.
Further, due to constant volume battery pack 11 be used for a long time, conductive materials loss, therefore 11 internal resistance of constant volume battery pack compared with
21 internal resistance of increase-volume battery pack newly established is bigger than normal, simultaneously because the rated operational voltage U1 of increase-volume battery pack protection unit 22 and fixed
The rated operational voltage U2 for holding battery pack protection unit 12 meets U1=U2, therefore, under charge and discharge operating condition, increase-volume battery pack 21
Super-charge super-discharge easily occurs, damages increase-volume battery pack 21.Therefore, the setting increase-volume battery pack protection list of creativeness of the embodiment of the present invention
The rated operational current of member 22 is determining according to the maximum current that the rated operation of increase-volume battery pack 21 may flow through, i.e. increase-volume
The rated operational current I1 of battery pack protection unit 22 meets I1=U1/R1, and R1 is the resistance value of increase-volume battery pack, guarantees increase-volume
Battery pack protection unit 22 can protect increase-volume battery pack 21, avoid increase-volume battery pack 21 that the feelings of super-charge super-discharge occur
Condition guarantees 21 the operation is stable of increase-volume battery pack, and then guarantees that entire energy-accumulating power station guarantees work shape in the case where realizing increase-volume
State is stablized, and realizes the purpose of safe increase-volume.Specifically, when the discharge current of increase-volume battery pack 21 is greater than U1/R1, increase-volume battery
Group protection location 22 disconnects, and avoiding increase-volume battery pack 21, there is a situation where over-discharges；When the charging current of increase-volume battery pack 21 is greater than
When U1/R1, increase-volume battery pack protection unit 22 is disconnected, and is avoided increase-volume battery pack 21 there is a situation where overcharging, is guaranteed increase-volume battery
21 the operation is stable of group, increase the service life of increase-volume battery pack 21.
It should be noted that can need to be arranged according to practical increase-volume more in energy-accumulating power station provided in an embodiment of the present invention
A increase-volume module 20, the embodiment of the present invention are only illustrated by taking an increase-volume module 20 as an example, rather than to the embodiment of the present invention
It limits.
Optionally, shown in continuing to refer to figure 1, increase-volume battery pack protection unit 22 provided in an embodiment of the present invention includes increase-volume
Fuse 221, increase-volume contactor 222 and increase-volume breaker 223；
Increase-volume battery pack 21 includes the first signal end 211 and second signal end 212；Increase-volume breaker 223 includes the first control
Make switch 2231 and the second control switch 2232；
First signal end 211 passes sequentially through increase-volume fuse 221 and increase-volume contactor 222 and 2231 electricity of the first control switch
Connection；
Second signal end 212 is electrically connected with the second control switch 2232.
Specifically, increase-volume battery pack protection unit 22 may include increase-volume fuse 221, increase-volume contactor 222 and increase-volume
Breaker 223, increase-volume breaker 223 can further include the first control switch 2231 and the second control switch 2232, increase-volume
First signal end 211 of battery pack 21 passes sequentially through increase-volume fuse 221, increase-volume contactor 222 and the first control switch 2231
Access bus, second signal end 212 cross the second control switch of increase-volume 2232 access bus, increase-volume battery pack 21 outward electric discharge or
Foreign current is received to charge.When the discharge current of increase-volume battery pack 21 is greater than U1/R1, increase-volume fuse 221 fuses,
And/or increase-volume contactor 222 disconnects contact and/or the first control switch 2231 disconnects and/or the second control switch 2232 is disconnected
It opens, the discharge path of increase-volume battery pack 21 disconnects, and avoids 21 over-discharge of increase-volume battery pack.Meanwhile when the charging of increase-volume battery pack 21
When electric current is greater than U1/R1, the fusing of increase-volume fuse 221 and/or the disconnection of increase-volume contactor 222 contact and/or the first control are opened
It closes 2231 disconnections and/or the second control switch 2232 disconnects, the charging path of increase-volume battery pack 21 disconnects, and avoids increase-volume battery
Group 21 overcharges.Rated operational current I1 by the way that increase-volume battery pack protection unit 22 is arranged meets I1=U1/R1, while increasing is arranged
Holding battery pack protection unit 22 includes increase-volume fuse 221, increase-volume contactor 222 and increase-volume breaker 223, is increase-volume battery pack
21 setting multilayer super-charge super-discharges protect device, fully ensure that 21 the operation is stable of increase-volume battery pack, increase making for increase-volume battery pack 21
With the service life, the purpose of the safe increase-volume of energy-accumulating power station is further realized.
Further, constant volume battery pack protection unit includes constant volume fuse 121, constant volume contactor 122 and constant volume open circuit
Device 123；
The rated operational voltage U11 of increase-volume fuse 221 and the rated operational voltage U21 of constant volume fuse 121 meet U11
=U21；The rated operational current I11 of increase-volume fuse 221 meets I11=U11/R1, and R1 is the resistance value of increase-volume battery pack 21；
The rated operational voltage U12 of increase-volume contactor 222 and the rated operational voltage U22 of constant volume contactor 122 meet U12
=U22；The rated operational current I12 of increase-volume contactor 222 meets I12=U12/R1, and R1 is the resistance value of increase-volume battery pack 21；
The rated operational voltage U13 of increase-volume breaker 223 and the rated operational voltage U23 of constant volume breaker 123 meet U13
=U23；The rated operational current I13 of increase-volume breaker 223 meets I13=U13/R1, and R1 is the resistance value of increase-volume battery pack 21.
Specifically, since increase-volume fuse 221 and constant volume fuse 121 are correspondingly arranged, the volume of increase-volume fuse 221
The rated operational voltage U21 of fixed working voltage U11 and constant volume fuse 121 can satisfy U11=U21, guarantee increase-volume fuse
221 is identical with 121 working condition of constant volume fuse.Further, the rated operational current I11 of increase-volume fuse 221 meets I11
=U11/R1, R1 are the resistance value of increase-volume battery pack 21, when the discharge current and/or charging current of increase-volume battery pack 21 are greater than
When U11/R1, increase-volume fuse 221 fuses.
Since increase-volume contactor 222 and constant volume contactor 122 are correspondingly arranged, the nominal operation of increase-volume contactor 222
The rated operational voltage U22 of voltage U12 and constant volume contactor 122 can satisfy U12=U22, guarantees increase-volume contactor 222 and determines
It is identical to hold 122 working condition of contactor.Further, the rated operational current I12 of increase-volume contactor 222 meets I12=U12/
R1, R1 are the resistance value of increase-volume battery pack 21, when the discharge current and/or charging current of increase-volume battery pack 21 are greater than U12/R1
When, increase-volume contactor 222 fuses.
Since increase-volume breaker 223 and constant volume breaker 123 are correspondingly arranged, the nominal operation of increase-volume disruptor 223
The rated operational voltage U23 of voltage U13 and constant volume breaker 123 can satisfy U13=U23, guarantees increase-volume disruptor 223 and determines
It is identical to hold 123 working condition of breaker.Further, the rated operational current I13 of increase-volume breaker 223 meets I13=U13/
R1, R1 are the resistance value of increase-volume battery pack 21, when the discharge current and/or charging current of increase-volume battery pack 21 are greater than U13/R1
When, increase-volume breaker 223 fuses.
In conclusion by the way that the specified of increase-volume fuse 221, increase-volume contactor 222 and increase-volume breaker 223 is rationally arranged
Operating voltage and rated operational current are arranged multilayer super-charge super-discharge for increase-volume battery pack 21 and protect device, fully ensure that increase-volume electricity
Group 21 the operation is stable in pond increases the service life of increase-volume battery pack 21, further realizes the purpose of the safe increase-volume of energy-accumulating power station.
Optionally, shown in continuing to refer to figure 1, energy-accumulating power station provided in an embodiment of the present invention further includes capacity-increasing cable 23；The
One signal end 211 is electrically connected by capacity-increasing cable 23 with increase-volume fuse 221；Increase-volume fuse 221 by capacity-increasing cable 23 with
Increase-volume contactor 222 is electrically connected；Increase-volume contactor 222 is electrically connected by capacity-increasing cable 23 with the first control switch 2231；Second
Signal end 212 is electrically connected by capacity-increasing cable 23 with the second control switch 2232；The current-carrying capacity I2 of capacity-increasing cable 23 and increase-volume
The rated operational current I1 of battery protection unit 22 meets I2 >=I1.
Illustratively, energy-accumulating power station provided in an embodiment of the present invention further includes capacity-increasing cable 23, and capacity-increasing cable 23 specifically may be used
As inside between increase-volume battery pack 21 and increase-volume battery pack protection unit 22 and increase-volume battery pack protection unit 22
Connecting cable guarantees that the charging current of the discharge current that increase-volume battery pack 21 exports and inflow increase-volume battery pack 21 can be normal
Transmission.Specifically, the first signal end 211 connects with increase-volume fuse 221, increase-volume fuse 221 and increase-volume contactor 222, increase-volume
Tentaculum 222 and the first control switch 2231, second signal end 212 and the second control switch 2232 are required to through capacity-increasing cable 23
It realizes electrical connection, guarantees signal normal transmission.Further, in order to guarantee increase-volume battery pack 21 export discharge current and stream
The charging current for entering increase-volume battery pack 21 can be with normal transmission, it is also necessary to be arranged capacity-increasing cable 23 current-carrying capacity I2 and increase-volume electricity
The rated operational current I1 of pond protection location 22 meets I2 >=I1, guarantees that capacity-increasing cable 23 can work normally, avoids because of increase-volume
The current-carrying capacity setting of cable 23 is smaller to burn out capacity-increasing cable 23, influences energy-accumulating power station normal work.
Optionally, shown in continuing to refer to figure 1, increase-volume battery pack 21 be can wrap in energy-accumulating power station provided in an embodiment of the present invention
Include multiple increase-volume battery clusters 213；It include multiple constant volume battery clusters 113 in constant volume battery pack 11；Wherein, increase-volume battery cluster 213
Type selecting is identical as the type selecting of constant volume battery cluster 113；The quantity n1 of increase-volume battery cluster 213 and the quantity n2 of constant volume battery cluster 113 are full
Sufficient n1=n2；The connection type of multiple increase-volume battery clusters 213 is identical as the connection type of multiple constant volume battery clusters 113.
Illustratively, when carrying out increase-volume to energy-accumulating power station, can be set in increase-volume battery pack 21 increase-volume battery cluster 213 with
The type selecting of constant volume battery cluster 113 is identical in constant volume battery pack 11, such as when constant volume battery cluster 113 is lead-acid battery cluster, increase-volume
Battery cluster 213 is similarly lead-acid battery cluster；When constant volume battery cluster 113 is lithium electricity battery cluster, increase-volume battery cluster 213 is similarly lithium
Battery cluster.
Further, constant volume battery cluster in the quantity Yu constant volume battery pack 11 of increase-volume battery cluster 213 in increase-volume battery pack 21
113 quantity is identical, such as when in constant volume battery pack 11 including 20 groups of constant volume battery clusters 113, same in increase-volume battery pack 21
Including 20 groups of increase-volume battery clusters 213.
Further, the connection type phase of the connection type of multiple increase-volume battery clusters 213 and multiple constant volume battery clusters 113
Together, when such as the series connection of multiple constant volume battery clusters 113 forms entire constant volume battery pack 11, multiple equally series connection of increase-volume battery cluster 213
Form entire increase-volume battery pack 21.
In conclusion the type selecting of setting increase-volume battery cluster 213 is identical as the type selecting of constant volume battery cluster 113；Increase-volume battery cluster
213 quantity n1 and the quantity n2 of constant volume battery cluster 113 meet n1=n2；The connection type of multiple increase-volume battery clusters 213 and more
The connection type of a constant volume battery cluster 113 is identical, and setting guarantees that increase-volume battery pack 21 and 11 consistency of constant volume battery pack are good, just
In the management for realizing energy-accumulating power station.
Further, as shown in Figure 1, increase-volume module 20 provided in an embodiment of the present invention can also include multiple increase-volume batteries
Cluster management unit 24 and increase-volume battery set management unit 25；Increase-volume battery cluster management unit 24 and increase-volume battery cluster 213 1 are a pair of
It answers and communicates to connect；Multiple increase-volume battery cluster management units 24 are communicated to connect with increase-volume battery set management unit 25.
Illustratively, increase-volume module 20 provided in an embodiment of the present invention can also include multiple increase-volume battery cluster management units
24, increase-volume battery cluster management unit 24 and increase-volume battery cluster 213 are corresponded and are communicated to connect, for monitoring increase-volume battery cluster
213 working condition, such as voltage, electric current, state-of-charge and operating temperature etc..Multiple increase-volume battery cluster management units 24 are
It is communicated to connect with increase-volume battery set management unit 25, increase-volume battery set management unit 25 is for managing by multiple increase-volume battery clusters
The working condition of the increase-volume battery packs 21 of 213 compositions, for example, the voltage of entire increase-volume battery pack 21, electric current, state-of-charge and
Operating temperature guarantees to realize the equilibrium between increase-volume battery cluster 213, such as controls multiple 213 balanced discharges of increase-volume battery cluster, keeps away
Exempt from individual 213 overdischarge of increase-volume battery cluster, individual increase-volume battery clusters 213 are owed electric discharge, guaranteed more in entire increase-volume battery pack 21
A 213 balanced discharge of increase-volume battery cluster.
Further, shown in continuing to refer to figure 1, constant volume module 10 can also include constant volume battery cluster management unit 14 and determine
Hold battery set management unit 15；Increase-volume battery cluster management unit 24 and constant volume battery cluster management unit 14, which have identical work, joins
Number；Increase-volume battery set management unit 25 and constant volume battery set management unit 15 have identical running parameter.
Illustratively, increase-volume battery cluster management unit 24 and constant volume battery cluster management unit 14 have identical running parameter
With identical function, identical management can be realized to the battery cluster for communicating with connection.Such as increase-volume battery cluster management unit
24 and constant volume battery cluster management unit 14 have identical operating voltage, identical operating current, identical operating temperature etc., this
Inventive embodiments are to this without limiting.Increase-volume battery set management unit 25 has identical with constant volume battery set management unit 15
Running parameter and identical function can realize identical management to the battery cluster management unit for communicating with connection.Such as increase
Hold battery set management unit 25 and has identical operating voltage, identical operating current, phase with constant volume battery set management unit 15
Same operating temperature etc., the embodiment of the present invention is to this without limiting.Increase-volume battery cluster management unit 24 and constant volume battery are set
Cluster management unit 14 has identical running parameter；Increase-volume battery set management unit 25 has with constant volume battery set management unit 15
Identical running parameter, it is ensured that the consistency for adding entire energy-accumulating power station after increase-volume module 20 guarantees energy-accumulating power station management
It is simple and efficient.
Optionally, shown in continuing to refer to figure 1, energy-accumulating power station provided in an embodiment of the present invention can also include battery management mould
Block 30 and energy storage electric current device 40；Increase-volume battery set management unit 25 and constant volume battery set management unit 15 are and battery management module
30 communication connections；Battery management module 30 and energy storage electric current device 40 communicate to connect.
Illustratively, battery management module 30 and increase-volume battery set management unit 25 and constant volume battery set management unit 15 are equal
Communication connection is kept, battery management module 30 is for managing at least one increase-volume battery set management unit 25 and multiple constant volume batteries
The working condition of group administrative unit 15, such as voltage, the electric current, charged shape of entire increase-volume module 20 and entire constant volume module 10
State and operating temperature, guarantee to realize it is balanced between increase-volume module 20 and constant volume module 10, such as control increase-volume module 20 with
10 balanced discharge of constant volume module avoids 20 overdischarge of increase-volume module, and constant volume module 10 owes electric discharge, increase-volume module is caused to cross loss,
The aging speed for accelerating increase-volume module 20 guarantees increase-volume module 20 and 10 balanced discharge of constant volume module in entire energy-accumulating power station.
Further, it corresponds and communicates to connect by increase-volume battery cluster management unit 24 and increase-volume battery cluster 213, prison
Survey the working condition of increase-volume battery cluster 213；Increase-volume battery set management unit 25 is communicated with multiple increase-volume battery cluster management units 24
Connection manages the working condition for the increase-volume battery pack 21 being made of multiple increase-volume battery clusters 213, guarantees to realize increase-volume battery cluster
Equilibrium between 213；Battery management module 30 is protected with increase-volume battery set management unit 25 and constant volume battery set management unit 15
Hold communication connection, guarantee to realize it is balanced between increase-volume module 20 and constant volume module 10, guarantee to realize in energy-accumulating power station charging and
The three-level management of electric discharge promotes the efficiency of management of energy-accumulating power station, guarantees to realize energy-accumulating power station steadily safe increase-volume.
Further, energy-accumulating power station provided in an embodiment of the present invention can also include energy storage electric current device 40, for discharging
In the process, the direct current that increase-volume module 20 and constant volume module 10 provide is converted into alternating current, and during the charging process, it will be extraneous
The alternating current of offer charges to increase-volume module 20 and constant volume module 10 after being converted to direct current.Optionally, battery management mould
Block 30 and energy storage electric current device 40 communicate to connect, and battery management module 26 can be used for managing the big of discharge current and charging current
It is small.
Optionally, battery management module 30 further includes at least one increase-volume interface (not shown)；Increase-volume battery pack pipe
Unit 25 is managed to communicate to connect by increase-volume interface and battery management module 26.
Illustratively, since battery cluster management unit 24 and battery set management unit 25 are the hard of battery management module 26
Part part.Due to increasing battery set management unit 25 in energy-accumulating power station capacity increasing process newly, therefore need to be in energy-accumulating power station primary construction
Battery management module 30 reserves later period increase-volume battery pack communication port, i.e. increase-volume interface, realizes that increase-volume is done in the future for energy-accumulating power station
It is good to prepare.
Based on same inventive concept, the embodiment of the invention also provides a kind of compatibilizing methods of energy-accumulating power station, specifically,
Fig. 2 is a kind of flow diagram of the compatibilizing method of energy-accumulating power station provided in an embodiment of the present invention, as shown in Fig. 2, the present invention is real
Applying the energy storage compatibilizing method that example provides includes:
S110, the increase-volume capacity for determining energy-accumulating power station.
Illustratively, if former energy-accumulating power station total capacity is Se, existing capacity attenuation to S, constant volume total number of modules is n before increase-volume,
Battery module capacity is se, wherein Se=n × se.To maintain the performance of energy-accumulating power station constant, then theoretically energy-accumulating power station needs
Increase-volume capacity is △ S=Se-S.
S120, the quantity that increase-volume module is determined according to the capacity of the increase-volume capacity and single increase-volume module.
Illustratively, the capacity of increase-volume battery pack is identical as the capacity of constant volume battery pack in constant volume module in increase-volume module,
Therefore the quantity for meeting the increase-volume battery pack of increase-volume capacity should be △ n=[(△ S)/se] and round up, energy-accumulating power station electricity after increase-volume
The sum of pond group is n'=n+ △ n.
S130, increase-volume module and the setting of constant volume wired in parallel are set according to the quantity of the increase-volume module.
Since when increase-volume module is with constant volume block coupled in series, unstability is difficult to control, there are larger security risks, successively, this
It issues embodiment setting increase-volume module and constant volume wired in parallel is arranged, guarantee energy-accumulating power station high stability, safety is higher.
Further, increase-volume module includes increase-volume battery pack and increase-volume battery protection unit；Constant volume module includes constant volume electricity
Pond group and constant volume battery pack protection unit；The rated operational voltage U1 of increase-volume battery protection unit and constant volume battery protection unit
Rated operational voltage U2 meets U1=U2；The rated operational current I1 of increase-volume battery protection unit meets I1=U1/R1, and R1 is to increase
Hold the resistance value of battery pack.
Illustratively, the rated operational voltage U1 and constant volume of setting increase-volume battery pack protection unit in a rated operation
The rated operational voltage U2 of battery pack protection unit meets U1=U2, guarantees that the setting of increase-volume battery pack protection unit is simple, it is only necessary to
Setting increase-volume battery pack protection unit and constant volume battery pack protection unit are arranged in parallel.Further, increase-volume battery is set
The rated operational current of group protection location is determining according to the maximum current that the rated operation of increase-volume battery pack may flow through, i.e.,
The rated operational current of increase-volume battery pack protection unit meets I1=U1/R1, and R1 is the resistance value of increase-volume battery pack, guarantees increase-volume
Battery pack protection unit can protect increase-volume battery pack, and avoiding increase-volume battery pack, there is a situation where super-charge super-discharges, guarantee
Increase-volume battery pack the operation is stable, and then guarantee that entire energy-accumulating power station guarantees stable working state in the case where realizing increase-volume, it is real
The now purpose of safe increase-volume.Specifically, when the discharge current of increase-volume battery pack is greater than U1/R1, increase-volume battery pack protection unit
It disconnects, avoiding increase-volume battery pack, there is a situation where over-discharges；When the charging current of increase-volume battery pack is greater than U1/R1, increase-volume battery
Group protection location disconnects, and avoids increase-volume battery pack there is a situation where overcharging, guarantees increase-volume battery pack the operation is stable, increase increase-volume electricity
The service life of pond group.
To sum up, the compatibilizing method of energy-accumulating power station provided in an embodiment of the present invention is determined according to the increase-volume capacity of energy-accumulating power station
The quantity of increase-volume module, is further arranged increase-volume module and constant volume wired in parallel is arranged, by the way that increase-volume battery pack protection list is arranged
The rated operational voltage U1 of member and the rated operational voltage U2 of constant volume battery pack protection unit meet U1=U2；Increase-volume battery pack is protected
The rated operational current I1 of shield unit meets I1=U1/R1, guarantees the rated operational voltage and volume of increase-volume battery pack protection unit
Determine operating current setting rationally, guarantees energy-accumulating power station safety under the premise of realizing energy-accumulating power station increase-volume, increase-volume scheme conscientiously may be used
Row, solve in the prior art because used batteries new in energy-accumulating power station capacity increasing process configure it is improper caused by energy-accumulating power station increase-volume difficulty skill
Art problem.
Note that the above is only a better embodiment of the present invention and the applied technical principle.It will be appreciated by those skilled in the art that
The invention is not limited to the specific embodiments described herein, and the feature of each embodiment of the invention can be partially or entirely
Ground is coupled to each other or combination, and coordination with one another and can technically be driven in various ways.To those skilled in the art
For be able to carry out and various apparent change, readjust, be combined with each other and substitute without departing from protection scope of the present invention.
Therefore, although the present invention has been described in more detail through the above examples, the present invention is not limited only to above
Embodiment can also include without departing from the inventive concept more other equivalent embodiments, and the scope of the present invention
It is determined by the scope of the appended claims.
Claims (10)
1. a kind of energy-accumulating power station, which is characterized in that including multiple constant volume modules and at least one increase-volume module, described at least one
Increase-volume module and the constant volume wired in parallel are arranged；
The increase-volume module includes increase-volume battery pack and increase-volume battery pack protection unit；The constant volume module includes constant volume battery pack
With constant volume battery pack protection unit；
The nominal operation of the rated operational voltage U1 of the increase-volume battery pack protection unit and the constant volume battery pack protection unit
Voltage U2 meets U1=U2；
The rated operational current I1 of the increase-volume battery pack protection unit meets I1=U1/R1, and R1 is the increase-volume battery pack
Resistance value.
2. energy-accumulating power station according to claim 1, which is characterized in that the increase-volume battery pack protection unit includes that increase-volume is molten
Disconnected device, increase-volume contactor and increase-volume breaker；
The increase-volume battery pack includes the first signal end and second signal end；The increase-volume breaker include the first control switch and
Second control switch；
First signal end passes sequentially through the increase-volume fuse and the increase-volume contactor and first control switch electricity
Connection；
The second signal end is electrically connected with second control switch.
3. energy-accumulating power station according to claim 2, which is characterized in that the constant volume battery pack protection unit includes that constant volume is molten
Disconnected device, constant volume contactor and constant volume breaker；
The rated operational voltage U21 of the rated operational voltage U11 of the increase-volume fuse and the constant volume fuse meets U11=
U21；The rated operational current I11 of the increase-volume fuse meets I11=U11/R1, and R1 is the resistance of the increase-volume battery pack
Value；
The rated operational voltage U22 of the rated operational voltage U12 of the increase-volume contactor and the constant volume contactor meets U12=
U22；The rated operational current I12 of the increase-volume contactor meets I12=U12/R1, and R1 is the resistance of the increase-volume battery pack
Value；
The rated operational voltage U23 of the rated operational voltage U13 of the increase-volume breaker and the constant volume breaker meets U13=
U23；The rated operational current I13 of the increase-volume breaker meets I13=U13/R1, and R1 is the resistance of the increase-volume battery pack
Value.
4. energy-accumulating power station according to claim 2, which is characterized in that the increase-volume module further includes capacity-increasing cable；
First signal end is electrically connected by the capacity-increasing cable with the increase-volume fuse；
The increase-volume fuse is electrically connected by the capacity-increasing cable with the increase-volume contactor；
The increase-volume contactor is electrically connected by the capacity-increasing cable with first control switch；
The second signal end is electrically connected by the capacity-increasing cable with second control switch；
The current-carrying capacity I2 of the capacity-increasing cable and the rated operational current I1 of the increase-volume battery protection unit meet I2 >=I1.
5. energy-accumulating power station according to claim 1, which is characterized in that the increase-volume battery pack includes multiple increase-volume batteries
Cluster, the constant volume battery pack include multiple constant volume battery clusters；
The type selecting of the increase-volume battery cluster is identical as the type selecting of the constant volume battery cluster；
The quantity n2 of the quantity n1 of the increase-volume battery cluster and the constant volume battery cluster meets n1=n2；
The connection type of multiple increase-volume battery clusters is identical as the connection type of multiple constant volume battery clusters.
6. energy-accumulating power station according to claim 5, which is characterized in that the increase-volume module further includes multiple increase-volume battery clusters
Administrative unit and increase-volume battery set management unit；
The increase-volume battery cluster management unit and the increase-volume battery cluster are corresponded and are communicated to connect；
Multiple increase-volume battery cluster management units are connect with the increase-volume battery set management unit communication.
7. energy-accumulating power station according to claim 6, which is characterized in that the constant volume module further includes constant volume battery cluster management
Unit and constant volume battery set management unit；
The increase-volume battery cluster management unit and the constant volume battery cluster management unit have identical running parameter；
The increase-volume battery set management unit and the constant volume battery set management unit have identical running parameter.
8. energy-accumulating power station according to claim 6, which is characterized in that the energy-accumulating power station further include battery management module and
Energy storage electric current device；
The increase-volume battery set management unit and the constant volume battery set management unit with the battery management module communication link
It connects；
The battery management module and the energy storage electric current device communicate to connect.
9. energy-accumulating power station according to claim 8, which is characterized in that the battery management module further includes at least one increasing
Hold interface；
The increase-volume battery set management unit is communicated to connect by the increase-volume interface and the battery management module.
10. a kind of energy-accumulating power station compatibilizing method is applied to the described in any item energy-accumulating power stations of claim 1-9, which is characterized in that
Include:
Determine the increase-volume capacity of energy-accumulating power station；
The quantity of increase-volume module is determined according to the capacity of the increase-volume capacity and single increase-volume module；
Increase-volume module is set according to the quantity of the increase-volume module and constant volume wired in parallel is arranged；
Wherein, the increase-volume module includes increase-volume battery pack and increase-volume battery protection unit；The constant volume module includes constant volume electricity
Pond group and constant volume battery pack protection unit；
The rated operational voltage of the rated operational voltage U1 of the increase-volume battery protection unit and the constant volume battery protection unit
U2 meets U1=U2；
The rated operational current I1 of the increase-volume battery protection unit meets I1=U1/R1, and R1 is the electricity of the increase-volume battery pack
Resistance value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910630747.8A CN110266081A (en) | 2019-07-12 | 2019-07-12 | A kind of energy-accumulating power station and its compatibilizing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910630747.8A CN110266081A (en) | 2019-07-12 | 2019-07-12 | A kind of energy-accumulating power station and its compatibilizing method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110266081A true CN110266081A (en) | 2019-09-20 |
Family
ID=67925847
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910630747.8A Pending CN110266081A (en) | 2019-07-12 | 2019-07-12 | A kind of energy-accumulating power station and its compatibilizing method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110266081A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110854893A (en) * | 2019-11-18 | 2020-02-28 | 苏州高创特新能源发展股份有限公司 | Battery configuration method of energy storage system |
| CN111509317A (en) * | 2020-03-01 | 2020-08-07 | 青岛能蜂电气有限公司 | Energy storage management method and system for storage battery and electronic equipment |
| CN112865153A (en) * | 2021-03-02 | 2021-05-28 | 阳光电源股份有限公司 | Energy storage system and capacity expansion method and control method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103354377A (en) * | 2013-06-26 | 2013-10-16 | 安徽力高新能源技术有限公司 | Automatic circulation control and protection circuit for lithium battery of energy storage power station |
| CN106169795A (en) * | 2016-09-13 | 2016-11-30 | 沃太能源南通有限公司 | A kind of energy-storage lithium battery group and expansion method thereof |
| CN108599353A (en) * | 2018-04-05 | 2018-09-28 | 宁波兆科新能源科技有限公司 | A kind of parallel extended system of high pressure lithium battery energy storage battery cabinet |
| CN209930016U (en) * | 2019-07-12 | 2020-01-10 | 上海电力设计院有限公司 | Energy storage power station |
-
2019
- 2019-07-12 CN CN201910630747.8A patent/CN110266081A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103354377A (en) * | 2013-06-26 | 2013-10-16 | 安徽力高新能源技术有限公司 | Automatic circulation control and protection circuit for lithium battery of energy storage power station |
| CN106169795A (en) * | 2016-09-13 | 2016-11-30 | 沃太能源南通有限公司 | A kind of energy-storage lithium battery group and expansion method thereof |
| CN108599353A (en) * | 2018-04-05 | 2018-09-28 | 宁波兆科新能源科技有限公司 | A kind of parallel extended system of high pressure lithium battery energy storage battery cabinet |
| CN209930016U (en) * | 2019-07-12 | 2020-01-10 | 上海电力设计院有限公司 | Energy storage power station |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110854893A (en) * | 2019-11-18 | 2020-02-28 | 苏州高创特新能源发展股份有限公司 | Battery configuration method of energy storage system |
| CN111509317A (en) * | 2020-03-01 | 2020-08-07 | 青岛能蜂电气有限公司 | Energy storage management method and system for storage battery and electronic equipment |
| CN112865153A (en) * | 2021-03-02 | 2021-05-28 | 阳光电源股份有限公司 | Energy storage system and capacity expansion method and control method thereof |
| CN112865153B (en) * | 2021-03-02 | 2024-05-14 | 阳光电源股份有限公司 | Energy storage system, capacity expansion method and control method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201985554U (en) | Active self-management charging device for lithium ion power battery | |
| CN102916456B (en) | A kind of charging and discharging lithium battery management system and method | |
| CN110266081A (en) | A kind of energy-accumulating power station and its compatibilizing method | |
| WO2017054148A1 (en) | Battery cell balancing structure | |
| CN104157918A (en) | Method and device for performing redundant reassembling on storage batteries | |
| CN201290020Y (en) | Voltage equalizing charge circuit for lithium battery set | |
| CN110768330A (en) | Charging and discharging control method and device and UPS system | |
| CN108667107B (en) | Storage battery pack equalization circuit comprising auxiliary battery and control method | |
| CN106684482A (en) | Battery overcharge protection system | |
| CN104810891A (en) | Battery pack with standby unit and dynamic management method of battery pack | |
| CN105811540A (en) | Safe high-discharging-rate lithium battery pack module | |
| CN103078355A (en) | Battery discharging circuit system | |
| CN2922234Y (en) | Over-discharge protecting circuit for power lithium ion cell | |
| CN108347073A (en) | Charge balancing control method for power lithium ion accumulator group | |
| CN111181224A (en) | Charging system for multi-section series battery pack and charging method thereof | |
| CN209448456U (en) | A kind of lithium battery management system and aerial work platform | |
| CN204597550U (en) | A kind of battery pack with stand-by unit | |
| CN111181205A (en) | Parallel high-voltage control box of battery system | |
| CN209930016U (en) | Energy storage power station | |
| CN104124460A (en) | Single-flow battery management system | |
| CN2922233Y (en) | Over-charging protecting circuit for power lithium ion cell | |
| CN105978107B (en) | Multi-battery-pack automatic charging and maintenance balance diagnosis system for electric automobile | |
| CN110444824B (en) | Battery pack structure reconstruction device and method | |
| CN212137299U (en) | Parallel high-voltage control box of battery system | |
| JPH06290815A (en) | Equipment system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |