CN110535163A - A kind of energy storage control system and method based on retired power battery pack - Google Patents
A kind of energy storage control system and method based on retired power battery pack Download PDFInfo
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- CN110535163A CN110535163A CN201910936099.9A CN201910936099A CN110535163A CN 110535163 A CN110535163 A CN 110535163A CN 201910936099 A CN201910936099 A CN 201910936099A CN 110535163 A CN110535163 A CN 110535163A
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- 238000004146 energy storage Methods 0.000 title claims abstract description 58
- 238000000034 method Methods 0.000 title claims abstract description 18
- 230000002457 bidirectional effect Effects 0.000 claims abstract description 54
- 230000003993 interaction Effects 0.000 claims abstract description 33
- 238000004891 communication Methods 0.000 claims abstract description 28
- 230000005611 electricity Effects 0.000 claims description 16
- 238000012544 monitoring process Methods 0.000 abstract description 6
- 238000002955 isolation Methods 0.000 abstract description 3
- 238000012423 maintenance Methods 0.000 abstract description 2
- 230000008569 process Effects 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 238000011161 development Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 238000004064 recycling Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- 238000012216 screening Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000002440 industrial waste Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000002910 solid waste Substances 0.000 description 1
- 239000010959 steel 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
- 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
- H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
- H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
- H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
- H02J9/061—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems for DC powered loads
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Supply And Distribution Of Alternating Current (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention discloses a kind of energy storage control system and control method based on retired power battery pack, wherein system includes retired battery pack PACK, bidirectional converter PCS, bridge BC, human-computer interaction module HMI, and the BMS communication interface of the battery pack and the communication interface of bridge connect；The charge and discharge electrical interface of the battery pack is connect with the DC interface of bidirectional converter PCS, and the exchange interface of the bidirectional converter PCS is connect with AC bus AC-BUS, and the bridge is separately connected bidirectional converter PCS, human-computer interaction interface.The present invention is based on the battery packs that do not disassemble to realize energy storage control, the charge and discharge with external communication bus are realized using the state of the BMS monitoring battery pack in battery pack, using two-way AC/DC, to realize energy storage control, whole system structure is simple, at low cost, charge and discharge electric energy can be counted by the alternating current-direct current electric energy meter of setting, and then will be seen that the energy storage efficiency of battery；AC circuit breaker, the switch with knifeshaped fuse of setting can play the role of maintenance isolation, overcurrent protection.
Description
Technical field
The present invention relates to retired battery pack recycling field, in particular to a kind of energy storage based on retired power battery pack
Control system and method.
Background technique
New-energy electric vehicle power battery is after using certain time or the certain number of circulation, capacity or power
Characteristic decline is more obvious, is unable to satisfy automobile-used requirement, needs retired from automobile.But retired power battery is still latent
The huge surplus value is hidden, capacity and power still can satisfy the need of other energy storage occasions of less demanding to dynamic property
It asks, such as UPS, communication base station, data center, electric bicycle, wind light generation energy storage application.By electricity retired on electric car
Pond, which recycles, arrives other occasions, and the recycling of this power battery is referred to as " echelon utilization ", carries out cascade utilization technology and grinds
Study carefully, give full play to the surplus value of power battery, is the field that state key is supported.
Retired power battery strikingly its low cost, but in application at this stage, mainly being moved back from automobile
The battery pack of labour first disassembles into battery modules, then is screened, and the battery for filtering out similar performance reassembles into battery system again, then
It utilizes, dismantling and screening virtually increase a large amount of cost, not only heavy workload, but also technical requirements are high, to inherently
" the echelon battery " of price competitiveness has been raised using threshold, and the development that echelon utilizes is constrained.
Power battery is to occur on automobile using battery pack (Pack) as a battery assembly, and retired battery is exactly electricity
Pond packet assembly it is retired, existing way be to be disassembled to retired battery pack first, dismantling at battery modules (Module),
By being manually tested for the property screening to these mould groups, together by the group again of similar performance, utilize again, it has as follows
Disadvantage:
(1) dismantling battery need to increase cost
It applied to the battery component assembly on electric car is occurred with battery packet form, battery pack is by several electricity
Chi Mo group and corresponding battery management system (BMS), control electric appliance and control route composition, the dismantling to battery pack is exactly pair
These component decomposable processes need certain manpower and material resources, certainly will increase the cost that echelon utilizes；
(2) superior function of primary battery packet is destroyed
Electrokinetic cell system on automobile is not only the simple assembling of battery modules, and special because of automotive environment is wanted
It asks, matched battery pack will also meet the requirement of intimate harshness, i.e., to meet electric property will also meet rugged environment
It is required that such as high temperature, low temperature, vibration.
Primary battery packet has been all made of some special measures thus, as cooling water circulation, electric heating heating, vibration proof knot
Structure etc..These measures have embodied the performance advantage that auto industry is different from general industry.Once disassembling to battery pack, these are excellent
Gesture is also destroyed therewith.Bigger cost is spent to reach these performance potential necessity again.
(3) other resources are wasted
If dismantling packet, the material that can be used for energy storage only have battery, the BMS, appliance component, harness in battery pack will
As industrial waste, and the whole packet of battery pack is using being not only low application cost, and extends the Life Cycle of other materials
Phase realizes the recycling to Industrial Solid Waste, minimizing application, meets Green Development theory, meets national policy guiding.
Based on this, the application provides the energy storage control system realized based on retired battery pack.
Summary of the invention
It is an object of the invention to overcome the deficiencies of the prior art and provide a kind of energy storage controls based on retired power battery pack
System and method processed realizes the utilization of retired power battery pack by directly realizing energy-storage system using retired battery pack
Without disassembling.
To achieve the goals above, a kind of the technical solution adopted by the present invention are as follows: energy storage based on retired power battery pack
Control system, including retired battery pack, bidirectional converter PCS, bridge, human-computer interaction module, the BMS of the battery pack is logical
The connection of the communication interface of communication interface and bridge；The charge and discharge electrical interface of the battery pack and the DC interface of bidirectional converter PCS
Connection, the exchange interface of the bidirectional converter PCS are connect with AC bus AC-BUS, and the bridge is separately connected two-way change
Flow device PCS, human-computer interaction interface.
The bridge include microprocessor and the CAN communication interface extended on the microprocessor, LAN communication interface,
Serial line interface.
The CAN communication interface of the bridge connects the BMS communication interface of battery pack by CAN bus；The bridge joint
The LAN communication interface of device connects human-computer interaction interface by LAN bus；The serial line interface of the bridge passes through RS485 bus
Connect bidirectional converter PCS.
The first electricity of setting is concatenated between the charge and discharge electrical interface and the DC interface of bidirectional converter PCS of the battery pack
Energy acquisition module, the second electric energy acquisition mould of concatenation setting between the exchange interface and AC bus of the bidirectional converter PCS
Block, first electric energy collection module, the second electric energy collection module are connect with bridge respectively.
First electric energy collection module, the second electric energy collection module pass through the serial line interface of RS485 bus and bridge
Connection.
First electric energy collection module includes current divider, direct current energy meter, and the current divider is arranged in series in battery pack
Charge and discharge electrical interface and bidirectional converter PCS DC interface between, the current divider is connect with direct current energy meter, the direct current
Electric energy meter is connect by RS485 bus with processor.
Second electric energy collection module includes that electricity between the exchange interface of bidirectional converter PCS and AC bus is arranged in
The output end of current transformer, the current transformer is connect with AC energy meter, the AC energy meter by RS485 bus with
Processor connection.
Concatenated between the charge and discharge electrical interface and the DC interface of bidirectional converter PCS of the battery pack setting for every
From the switch with knifeshaped fuse SF with overcurrent protection, setting is concatenated between the exchange interface and AC bus of the bidirectional converter PCS
AC circuit breaker QF.
The control method of energy storage control system based on retired power battery pack, the control method include:
Charged state or electric discharge shape are in for controlling energy storage control system by human-computer interaction interface input control parameter
State；
When the control parameter inputted by human-computer interaction interface be control energy-storage system work in discharge condition, bridge
Bidirectional converter PCS work is controlled in inverter mode, it is total that the electric energy of battery pack storage is sent to exchange after bidirectional converter PCS
Line AC-BUS；
When the control parameter inputted by human-computer interaction interface is in charged state for controlling energy-storage system, bridge
Bidirectional converter PCS work is controlled in rectification state, the alternating current of AC bus AC-BUS is converted into directly through bidirectional converter PCS
It charges after galvanic electricity for battery pack.
The bridge detects charge/discharge electricity amount data, the bridge by direct current energy meter, AC energy meter respectively
By obtaining the operating state data of battery pack with the BMS system of battery pack, and pass through LAN bus for charge and discharge data, battery
Packet operating state data is sent to human-computer interaction interface and is shown.
The present invention has the advantages that realizing a set of independent energy-storage system based on the battery pack that do not disassemble, battery pack is utilized
The current state of interior BMS monitoring battery pack realizes the charge and discharge with external communication bus using two-way AC/DC, to realize
Energy storage control, whole system structure is simple, at low cost, can count charge and discharge electric energy by the alternating current-direct current electric energy meter of setting, into
And it will be seen that the energy storage efficiency of battery；AC circuit breaker, the switch with knifeshaped fuse of setting can play maintenance isolation, overcurrent protection
Effect, makes its whole system be in safe operation state；Charge and discharge process number can be intuitively monitored by human-computer interaction interface
The working condition of energy-storage system can be controlled accordingly and by human-computer interaction interface.
Detailed description of the invention
Below to each width attached drawing of description of the invention expression content and figure in label be briefly described:
Fig. 1 is the energy storage control system schematic diagram of battery pack of the present invention；
Fig. 2 is bridge of the present invention and each module connection diagram.
Label in above-mentioned figure is equal are as follows: 1, battery pack PACK；2, bridge BC；3, human-computer interaction interface；4, Bidirectional variable-flow
Device PCS；5, direct current energy meter；6, current divider；7, switch with knifeshaped fuse；8, current transformer T；9, AC energy meter；10, alternating current interruption
Device.
Specific embodiment
A specific embodiment of the invention is made further detailed below against attached drawing by the description to optimum embodiment
Thin explanation.
Mainly there are battery management system (BMS) and electricity there are also corresponding control unit other than battery modules in primary battery packet
Gas component (fast charge relay, trickle charge relay, pre-charge-relay, total negative relay, total positive relay, sensor, precharge
Resistance etc.), the movement of these electric components needs condition, even reciprocal interlocking, could act after only meeting condition
Form current loop.The data of all battery modules can be read from primary battery packet and these relays can effectively be controlled
System.So that the invention patent is implemented as possibility.The purpose of the present invention is do not carried out to battery pack using a kind of control technology
It disassembles and directly utilizes, directly utilized with reaching battery pack to improve work efficiency, reduce this, reduce the wasting of resources, promote echelon sharp
Development.
As shown in Figure 1, a kind of energy storage control system based on retired power battery pack, including retired battery pack, two-way
Current transformer PCS, bridge, human-computer interaction module, battery pack belongs to a global concept here, power battery be on automobile with
Battery pack (Pack) form occurs as battery component assembly, and battery pack is by battery module and corresponding BMS, relay etc.
Composition, for powering to electric car.The BMS communication interface of battery pack and the communication interface of bridge connect；Battery pack is filled
Electric discharge interface is connect with the DC interface of bidirectional converter PCS, the exchange interface and AC bus AC-BUS of bidirectional converter PCS
Connection, bridge are separately connected bidirectional converter PCS, human-computer interaction interface.Two-way PCS is power conversion system (PCS=
Power Conversion System) it include two-way AC/DC converter.
The charge and discharge electrical interface of battery pack belongs to the intrinsic interface of battery pack, and in onboard system, the charging interface of battery pack is adopted
With two interfaces such as fast charge and trickle charge, (circuit of actually the two interfaces is in parallel, is to be connected in parallel on battery in battery pack
Mould group positive and negative anodes), according to actual needs, select a corresponding charge and discharge electrical interface.Bidirectional converter PCS working condition
Including inversion discharge condition and rectification charging state, by the charge and discharge electrical interface of DC interface connection battery pack, exchange interface connection
Ac bus (AC-BUS), ac bus are power supply buses (utility grid).Bridge acquires the inside letter of the BMS of battery pack
Breath, and relevant information is shown by human-computer interaction interface connected to it, facilitate monitoring.The output end of bridge and two-way change
Flow the control terminal connection of device PCS, working condition and power etc. for controlling bidirectional converter.User can also pass through man-machine friendship
The mutually work of Interface Control bidirectional converter PCS and the battery bag data by human-computer interaction interface checking monitoring.
Bridge includes microprocessor and the CAN communication interface extended on the microprocessor, LAN communication interface, serial
Interface.Preferred microprocessor is realized using Cortex-A7 microprocessor.The CAN communication interface of bridge passes through CAN bus
Connect the BMS communication interface of battery pack；The LAN communication interface of bridge connects human-computer interaction interface by LAN bus；Bridge
Serial line interface include two RS485 interfaces, two-way AC/DC current transformer is connected by RS485 bus, is used for drive control unsteady flow
Device PCS.Microprocessor connects other component by interface as the core of processing control, for issuing control signal by interface
Or receive acquisition data.
It concatenates and sets between the DC interface of the AC/DC current transformer of the charge and discharge electrical interface and bidirectional converter PCS of battery pack
The first electric energy collection module is set, the second electric energy acquisition mould of concatenation setting between the exchange interface and AC bus of bidirectional converter
Block, the first electric energy collection module, the second electric energy collection module are connect with bridge respectively.First electric energy collection module, the second electricity
Energy acquisition module is connected by the serial line interface of RS485 bus and processor.Specifically, the first electric energy collection module includes shunting
Device, direct current energy meter, current divider are arranged in series between the charge and discharge electrical interface of battery pack and the DC interface of bidirectional converter, point
Stream device connect with direct current energy meter (two current terminals of current divider are connected with power supply and load respectively, current potential termination electric current
Table), direct current energy meter is connect by RS485 bus with bridge.
Second electric energy collection module includes that electric current between the exchange interface of bidirectional converter PCS and AC bus is arranged in is mutual
The output end of sensor, current transformer is connect with AC energy meter, and the AC energy meter is connected by RS485 bus and bridge
It connects.
Concatenation setting is for being isolated and mistake between the charge and discharge electrical interface and the DC interface of bidirectional converter PCS of battery pack
The switch with knifeshaped fuse SF for flowing protection, the concatenation setting AC circuit breaker between the exchange interface and AC bus of bidirectional converter PCS
QF。
Human-computer interaction interface is the interface HMI, carries out data using interactive touch screen and checks and human-computer interaction.It is working
When, DC side switch with knifeshaped fuse SF with exchange side circuit breaker Q F closure after, instructed by human-computer interaction interface input control, then led to
The microprocessor crossed in bridge is sent to bidirectional converter PCS and is handled, so that current transformer is in inversion or rectification state
(charge port of battery pack is corresponding to be had fastly the corresponding relay closure disconnection of the charge and discharge power port for controlling battery pack by BMS simultaneously
The relays such as trickle charge are filled, and then are controlled), to control its work, during the work time, microprocessor obtains battery by BMS
The status data of packet is simultaneously sent to human-computer interaction interface and is shown, to facilitate monitoring, while microprocessor passes through alternating current
Table, DC ammeter realize the statistics of electric energy, monitor charge and discharge process.
The control method of energy storage control system based on retired power battery pack, comprising:
Charging energy-storing state or discharge condition are in for controlling battery pack by human-computer interaction interface input control parameter；
When the control parameter inputted by human-computer interaction interface be control energy-storage system work in discharge condition, processor
Bidirectional converter PCS work is controlled in inverter mode, it is total that the electric energy of battery pack storage is sent to exchange after bidirectional converter PCS
Line AC-BUS；
When the control parameter inputted by human-computer interaction interface is in charging (energy storage) shape for controlling energy storage control system
When state, microprocessor controls bidirectional converter PCS work in rectification state, and the alternating current of AC bus AC-BUS is through Bidirectional variable-flow
Device PCS is converted into charging after direct current for battery pack.Processor detects charge and discharge by direct current energy meter, AC energy meter respectively
Electricity data, processor are by obtaining the operating state data of battery pack with the BMS system of battery pack, and passing through LAN bus will
Charge and discharge data, battery pack operating state data are sent to human-computer interaction interface and are shown.
It is described further below for the modules of system
(1) AC-BUS: AC bus (mains supply) is source and the whereabouts of battery discharge of battery charging；
(2) QF: AC circuit breaker, the disconnection when short circuit overcurrent or short circuit occurs in battery pack system, to protect alternating current, or inspection
Buffer action from when repairing；
(3) current transformer detects ac-side current, major loop high current is become to the low current of 0~1A, is connect with facilitating
Enter the electric energy of power instrument metering disengaging battery pack；
(4) Pa: AC energy meter, the electric energy of metering disengaging energy-storage system, and send electricity data to bridge controller
(BC)；
(5) two-way AC/DC current transformer is responsible for alternating current (alternating current) being converted into the receptible direct current of battery pack, and
It is the electrical power conversion component of energy-storage system by the converting direct-current power into alternating-current power of battery pack.
(6) bridge is the control centre of the whole packet application of battery pack, with the following functions:
1) it is responsible for reading the data of battery pack BMS, and control instruction is issued to BMS, controls the relay in battery pack
It is attracted；
2) it is responsible for reading the operation data of bidirectional converter PCS, and control instruction, control is issued to bidirectional converter PCS
To the charge-discharge electric power of battery pack；
3) electricity data for reading two electric energy meters of Pa, Pd, after aggregated, uniformly sends HMI to；
4) it is responsible for communicating with HMI, HMI will be sent to after collected energy-storage system data summarization, be checked for monitoring personnel.
(7) HMI: man-machine interface is responsible for energy-storage system human-computer interaction, shows all information, sets running parameter, and to this
A little data save as history of forming record by solid state hard disk；
(8) SF: switch with knifeshaped fuse plays the role of examining isolation and overcurrent protection to battery；
(9) RL: current divider is the sampling element of DC current, plays the high current of major loop being converted into mV signal, is supplied
Electric energy instrument (Pd) sampling.
(10) Pd: direct current energy meter, record disengaging battery pack direct current energy, and send data to HMI through bridge and supply
The electricity of the charge and discharge of operator monitor battery pack, compared with Pa, the energy storage efficiency of available energy-storage system；
(11) battery pack, the complete, battery pack without dismantling include battery management system (BMS), control electric appliance and control
The a full set of former on-vehicle battery system such as route processed.
All electric components (in addition to battery pack) are mounted in a face control cabinet, control cabinet using wall mounted versions or
It can also realize that the protection of component each for system is realized using other suitable structures.
Bridge is the hinge of information flow, it is intersected in this there are three types of communication bus:
(1) CAN bus: being connected with the BMS of battery pack, reads and issues data related with battery pack；
(2) two-way RS-485 bus: MODBUS-RTU communication protocol is used.It is connected, reads with bidirectional converter PCS all the way
The data of inverter and the charge and discharge process for controlling inverter；It is connected all the way with alternating current-direct current electric energy meter (Pa, Pd), reads alternating current-direct current
The data of ammeter, selected alternating current-direct current electric energy meter have metering licensing, and data can be used as the foundation of expense tying-in calculation.
(3) LAN bus: using ICP/IP protocol, be connected with man-machine interface (HMI), by HMI by the data of energy-storage system
It is presented in operator in the form of figure, curve, text, symbol etc., facilitates operation.
The course of work of 4 energy-storage systems
The stored energy capacitance of this system by battery inclusion quantity (30~50kWh) limit, may be only available for small-sized household energy storage or
Small-sized emergency power supply backup power source.The course of work can be configured on HMI:
(1) mainly using electricity price between peak and valley as profit model, peak valley period, energy-storage system family energy storage: are set on HMI
It will press the set time, the charging of paddy period, the electric discharge of peak period；
(2) backup power source: it is usually fully charged to be in standby mode, once alternating current power-off (AC-BUS power loss), energy-storage system
It automatically into electric discharge operating mode, powers to AC-BUS, maintains to power to power grid.
The technical program, which has been made, causes a set of energy-storage system, and in addition to battery pack, other electric components are installed on a face steel
In cabinet processed (energy storage electrical cabinet), electrical cabinet is connected with battery pack by two cables, and one is power power cable, couples battery
The positive and negative polarities of packet, one is signal cable, couples the BMS system of battery pack.The investment of a set of energy-storage system is mainly by PCS
(two-way AC/DC current transformer), BMS (battery management system), battery pack, in groups expense, construction cost composition, because battery pack is direct
Reduce expense in groups using without additionally matching BMS system, recombinating without dismantling, so that total construction cost dismantling utilizes
67%, that is, reduce construction cost one third.Investment payback time also about shortens nearly 3 years.The application is in addition to as answering urgent telegram
Outside the conventional effects in source, also there is one side save the cost, facilitate popularization and use, on the other hand can be provided to promote manufacturer
Certain economic effect is further pushed and is promoted the use of, the energy saving purpose for accomplishing to recycle.
Obviously present invention specific implementation is not subject to the restrictions described above, as long as using method concept and skill of the invention
The improvement for the various unsubstantialities that art scheme carries out, it is within the scope of the present invention.
Claims (10)
1. a kind of energy storage control system based on retired power battery pack, including retired battery pack PACK, it is characterised in that: also
Including bidirectional converter PCS, bridge BC, human-computer interaction module HMI, the BMS communication interface of the battery pack and bridge
Communication interface connection；The charge and discharge electrical interface of the battery pack is connect with the DC interface of bidirectional converter PCS, the Bidirectional variable-flow
The exchange interface of device PCS is connect with AC bus AC-BUS, and the bridge is separately connected bidirectional converter PCS, human-computer interaction
Interface.
2. a kind of energy storage control system based on retired power battery pack as described in claim 1, it is characterised in that: the bridge
Connecing device includes microprocessor and the CAN communication interface extended on the microprocessor, LAN communication interface, serial line interface.
3. a kind of energy storage control system based on retired power battery pack as claimed in claim 2, it is characterised in that: the bridge
The CAN communication interface for connecing device connects the BMS communication interface of battery pack by CAN bus；The LAN communication interface of the bridge
Human-computer interaction interface is connected by LAN bus；The serial line interface of the bridge connects bidirectional converter by RS485 bus
PCS。
4. a kind of energy storage control system based on retired power battery pack as claimed in claim 1 or 2, it is characterised in that: In
The first electric energy acquisition mould of setting is concatenated between the charge and discharge electrical interface of the battery pack and the DC interface of bidirectional converter PCS
Block, the second electric energy collection module of concatenation setting between the exchange interface and AC bus of the bidirectional converter PCS, described the
One electric energy collection module, the second electric energy collection module are connect with bridge respectively.
5. a kind of energy storage control system based on retired power battery pack as claimed in claim 4, it is characterised in that: described the
One electric energy collection module, the second electric energy collection module are connected by the serial line interface of RS485 bus and bridge.
6. a kind of energy storage control system based on retired power battery pack as claimed in claim 4, it is characterised in that: described the
One electric energy collection module includes current divider, direct current energy meter, the current divider be arranged in series in the charge and discharge electrical interface of battery pack with
Between the DC interface of bidirectional converter PCS, the current divider is connect with direct current energy meter, and the direct current energy meter passes through
RS485 bus is connect with bridge.
7. a kind of energy storage control system based on retired power battery pack as claimed in claim 5, it is characterised in that: described the
Two electric energy collection modules include that current transformer between the exchange interface of bidirectional converter PCS and AC bus is arranged in, described
The output end of current transformer is connect with AC energy meter, and the AC energy meter is connect by RS485 bus with bridge.
8. a kind of energy storage control system based on retired power battery pack as claimed in claim 1 or 2, it is characterised in that: In
Concatenation setting is used to be isolated between the charge and discharge electrical interface of the battery pack and the DC interface of bidirectional converter PCS and overcurrent is protected
The switch with knifeshaped fuse of shield, the concatenation setting AC circuit breaker QF between the exchange interface and AC bus of the bidirectional converter PCS.
9. the control method of the energy storage control system a method as claimed in any one of claims 1-8 based on retired power battery pack, special
Sign is: the control method includes:
Energy storage state or discharge condition are in for controlling energy storage control system by human-computer interaction interface input control parameter；
When the control parameter inputted by human-computer interaction interface is control energy-storage system work in discharge condition, bridge is controlled
Bidirectional converter PCS work is sent to AC bus after bidirectional converter PCS in inverter mode, the electric energy of battery pack storage
AC-BUS；
When the control parameter inputted by human-computer interaction interface is in energy storage state for controlling energy storage control system, bridge
Bidirectional converter PCS work is controlled in rectification state, the alternating current of AC bus AC-BUS is converted into directly through bidirectional converter PCS
It charges after galvanic electricity for battery pack.
10. a kind of control method of the energy storage control system based on retired power battery pack as claimed in claim 9, feature
Be: the bridge by direct current energy meter, AC energy meter detects charge/discharge electricity amount data respectively, the bridge passes through
The operating state data of battery pack is obtained with the BMS system of battery pack, and charge and discharge data, battery are undertaken to perform work within a time limit and according to specifications by LAN bus
Human-computer interaction interface is sent to as status data to be shown.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910936099.9A CN110535163A (en) | 2019-09-29 | 2019-09-29 | A kind of energy storage control system and method based on retired power battery pack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910936099.9A CN110535163A (en) | 2019-09-29 | 2019-09-29 | A kind of energy storage control system and method based on retired power battery pack |
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| Publication Number | Publication Date |
|---|---|
| CN110535163A true CN110535163A (en) | 2019-12-03 |
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| CN114006061A (en) * | 2021-11-01 | 2022-02-01 | 富奥汽车零部件股份有限公司 | Battery control system |
| CN114865799A (en) * | 2022-06-06 | 2022-08-05 | 江苏富士特电气技术有限公司 | Modularization industry and commerce energy memory |
| CN116995713A (en) * | 2023-09-26 | 2023-11-03 | 江苏华友能源科技有限公司 | Method for utilizing residual electric quantity of retired battery of electric automobile |
| CN117032066A (en) * | 2023-10-09 | 2023-11-10 | 成都特隆美储能技术有限公司 | PLC control method of mobile energy storage system |
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