CN207835362U - A kind of dynamic lithium battery simulator - Google Patents
A kind of dynamic lithium battery simulator Download PDFInfo
- Publication number
- CN207835362U CN207835362U CN201820307678.8U CN201820307678U CN207835362U CN 207835362 U CN207835362 U CN 207835362U CN 201820307678 U CN201820307678 U CN 201820307678U CN 207835362 U CN207835362 U CN 207835362U
- Authority
- CN
- China
- Prior art keywords
- circuit
- connect
- lithium battery
- controlled rectifier
- sensor
- 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.)
- Active
Links
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/40—Arrangements for reducing harmonics
Abstract
A kind of dynamic lithium battery simulator,Interactive unit is simulated including Bidirectional variable-flow measurement and control unit and lithium battery,Bidirectional variable-flow measurement and control unit is made of power circuit and control circuit,The power circuit includes filter inductance L,Equivalent resistance R,All controlled rectifier circuit and filter capacitor C,All controlled rectifier circuit includes three-phase commutation bridge,A/D sampling modules are individually fixed in the exchange side and DC side of power circuit,The A/D sampling modules of exchange side are connect with inner ring circuit,The A/D sampling modules of DC side are connect with outer shroud circuit,Bi-directional ring control module is connect with dsp controller,Dsp controller is connect with SVPWM generators,AC current sensor is also connect by PLL phaselocked loops with SVPWM generators,SVPWM generators are connect with driving circuit,Driving circuit is connect with all controlled rectifier circuit,Dsp controller is simulated interactive unit with lithium battery by CAN transceiver modules and is connect.It is the simulator rapid dynamic response speed, low in energy consumption, while the electric energy that can reduce reflux causes harmonic pollution and interference to power grid.
Description
Technical field
The utility model is related to battery simulator apparatus fields, and in particular to a kind of dynamic lithium battery simulator.
Background technology
In the popularization of the modern trip vehicles, country payes attention to always development new-energy automobile, and new-energy automobile makes
The research and development of power battery restrict always the performance of new-energy automobile.Power source of the power battery as new-energy automobile,
It needs to carry out various performance tests during research and development.Traditional test mode is tested using entity battery, this
Test mode not only spends that high, test period is long, operating flexibility is poor, and poor reliability.
To solve the above-mentioned problems, application No. is 201110207242.4 patents of invention to disclose a kind of flow battery mould
Quasi- method and simulator, the simulator include Three-phase PWM Voltage Rectifier, IGBT drive circuit, microprocessor and electric current electricity
Three are connected together after pressing measuring circuit, three ac input ends of Three-phase PWM Voltage Rectifier to be separately connected REgulatable reactor
Phase A.C. contactor, three-phase ac contactor connect three output ends of three-phase adjustable transformer by three-phase isolation transformer,
The simulator utilizes IGBT switch drive Three-phase PWM Voltage Rectifiers, and IGBT switching speeds are slow, switching frequency is low, simultaneously
Power consumption is larger, has larger delay to the test of battery simulator charge-discharge performance, this also leads to battery simulator and is difficult to adjust in time
The pressure regulation value of whole Three-phase PWM Voltage Rectifier exchange side and DC side, and lack closed-loop current control, it can not be directly to electric current
It is controlled, it is difficult to ensure the good dynamic response performance of simulator DC side, DC side output voltage can not be ensured to voltage
Standard value UrefApproach and track；The electric energy that the simulator is back to power grid after completing charging simulation will lead to mains by harmonics
Pollution.
Utility model content
The utility model to solve the above-mentioned problems, devises a kind of dynamic lithium battery simulator, and simulator dynamic is rung
Answer speed fast, low in energy consumption, while the electric energy that can reduce reflux causes harmonic pollution and interference to power grid.
In order to achieve the above technical purposes, reach above-mentioned technique effect, the utility model is real by the following technical programs
Existing：
A kind of dynamic lithium battery simulator, including Bidirectional variable-flow measurement and control unit and lithium battery simulate interactive unit, feature
It is：The Bidirectional variable-flow measurement and control unit is made of power circuit and control circuit, and the power circuit includes filtered electrical
Feel L, equivalent resistance R, all controlled rectifier circuit and filter capacitor C, all controlled rectifier circuit is in parallel by 6 switch mosfet pipes
Three-phase commutation bridge is formed, filter inductance L and equivalent resistance R are connected to the exchange side of all controlled rectifier circuit, filter capacitor C after connecting
It is connected in parallel in the DC side of all controlled rectifier circuit, the DC side of all controlled rectifier circuit draws cathode output end P and cathode output
Hold N；
The control circuit includes that A/D sampling modules, pwm pulse control module and bi-directional ring control module, A/D are adopted
Egf block includes AC voltage sensor, AC current sensor, direct current voltage sensor and DC current sensor, PWM arteries and veins
It includes SVPWM generators and driving circuit to rush control module, and bi-directional ring control module includes inner ring circuit and outer shroud circuit, is handed over
Galvanic electricity pressure sensor and AC current sensor are connected on power circuit enter line side conducting wire, direct current voltage sensor and direct current
Flow sensor is connected on power circuit DC side conducting wire, and AC voltage sensor and AC current sensor connect with inner ring circuit
It connects, direct current voltage sensor and DC current sensor are connect with outer shroud circuit, and inner ring circuit and outer shroud circuit are controlled with DSP respectively
Device connection processed, dsp controller are connect with SVPWM generators, and AC current sensor is also occurred by PLL phaselocked loops and SVPWM
Device connects, and SVPWM generators are connect with driving circuit, and driving circuit is connect with all controlled rectifier circuit, and dsp controller passes through CAN
Transceiver module is connect with lithium battery simulation interactive unit.
Preferably, lithium battery simulation interactive unit includes LCD liquid crystal displays and control panel.
Preferably, the dynamic lithium battery simulator is connect with alternating current and two-way inverter respectively, two-way inverter with
City is electrically connected, dynamic lithium battery simulator be equipped with pressure regulator in the connection line of alternating current, isolating transformer, fuse and exchange
Contactor.
The utility model has the beneficial effects that：It is the simulator rapid dynamic response speed, low in energy consumption, while reflux can be reduced
Electric energy causes harmonic pollution and interference to power grid.
Description of the drawings
In order to illustrate more clearly of the technical solution of the utility model embodiment, make required for being described below to embodiment
Attached drawing is briefly described, it should be apparent that, the accompanying drawings in the following description is only some embodiments of the utility model,
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings
Other attached drawings.
Fig. 1 is dynamic lithium battery simulator simulation dynamic lithium battery charging/discharging function schematic diagram；
Fig. 2 is the circuit structure topological diagram of dynamic lithium battery simulator.
In attached drawing, parts list represented by the reference numerals are as follows：
1- dynamic lithium battery simulators, 2- Bidirectional variable-flow measurement and control units, 3- lithium batteries simulate interactive unit, the two-way inversions of 4-
Device, 21- power circuits, 22- control circuits, 221-DSP controllers, 222-SVPWM generators, 223- driving circuits, outside 224-
Loop back path, 225- inner ring circuit, 226- AC voltage sensors, 227- AC current sensors, 228- direct current voltage sensors,
229- DC current sensors, 230-PLL phaselocked loops.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without creative efforts
The all other embodiment obtained, shall fall within the protection scope of the present invention.
Refering to fig. 1 shown in -2, a kind of dynamic lithium battery simulator, including Bidirectional variable-flow measurement and control unit 2 and lithium battery simulation
Interactive unit 3, Bidirectional variable-flow measurement and control unit 2 are made of power circuit 21 and control circuit 22, and the power circuit 21 includes
Filter inductance L, equivalent resistance R, all controlled rectifier circuit and filter capacitor C, all controlled rectifier circuit is by 6 switch mosfets
Pipe composes in parallel three-phase commutation bridge, and filter inductance L and equivalent resistance R are connected to the exchange side of all controlled rectifier circuit, filter after connecting
The DC side of the DC side of wave capacitance C parallel connections and all controlled rectifier circuit, all controlled rectifier circuit draws cathode output end P and cathode is defeated
Outlet N；
The control circuit 22 includes A/D sampling modules, pwm pulse control module and bi-directional ring control module, A/D
Sampling module includes that AC voltage sensor 226, AC current sensor 227, direct current voltage sensor 228 and direct current are spread
Sensor 229, pwm pulse control module include SVPWM generators 222 and driving circuit 223, and bi-directional ring control module includes interior
Loop back path 225 and outer shroud circuit 224, AC voltage sensor 226 and AC current sensor 227 be connected to power circuit 21 into
On line side conducting wire, direct current voltage sensor 228 and DC current sensor 229 are connected on 21 DC side conducting wire of power circuit,
AC voltage sensor 226 and AC current sensor 227 are connect with inner ring circuit 225, direct current voltage sensor 228 and direct current
Current sensor 229 is connect with outer shroud circuit 224, and inner ring circuit 225 and outer shroud circuit 224 connect with dsp controller 221 respectively
Connect, dsp controller 221 is connect with SVPWM generators 222, AC current sensor 227 also by PLL phaselocked loops 230 with
SVPWM generators 222 connect, and SVPWM generators 222 are connect with driving circuit 223, driving circuit 223 and all controlled rectifier circuit
Connection, dsp controller 221 are simulated interactive unit 3 with lithium battery by CAN transceiver modules and are connect；Lithium battery simulates interactive unit 3
Including LCD liquid crystal displays and control panel；Dynamic lithium battery simulator 1 is connect with alternating current and two-way inverter 4 respectively, two-way
Inverter 4 is electrically connected with city, and pressure regulator is equipped in the connection line of dynamic lithium battery simulator 1 and alternating current, isolating transformer, is melted
Disconnected device and A.C. contactor.
The operation principle of the utility model is：Lithium battery simulation interactive unit 3 is responsible for the input of the lithium battery information content, and bears
Blame the battery port voltage value i.e. standard voltage value U being to be simulatedrefIt is transferred to Bidirectional variable-flow measurement and control unit 2, carries out dynamic in real time
Exchange；Bidirectional variable-flow measurement and control unit 2 is responsible for receiving the standard voltage value U sent out by lithium battery simulation interactive unit 3ref, and simulate lithium
The charge/discharge state of battery；Then, the battery output parameter of simulation gained is fed back into lithium battery and simulates interactive unit 3.
After lithium battery simulates the progress information setting of interactive unit 3, required lithium battery real-time current value to be simulated is obtained；Root
According to acquired real-time current value and lithium battery model by required standard voltage value U to be simulated is calculatedref, by standard
Voltage value UrefIt is sent to Bidirectional variable-flow measurement and control unit 2, Bidirectional variable-flow measurement and control unit 2 is according to the standard voltage value U of receptionrefIt carries out
Outer shroud circuit 224 controls, wherein by real-time criteria voltage value UrefIt is set as target voltage and carries out tracing control, finally so that work(
DC voltage value is opposite with target voltage in rate circuit, i.e. Udc=Uref, complete a secondary tracking.Then, dsp controller 221 will
Real-time parameter value that Bidirectional variable-flow measurement and control unit 2 is simulated (working condition of dynamic lithium battery simulator, DC side current value and
Voltage value) it is transmitted to lithium battery simulation interactive unit 3.
When carrying out dynamic lithium battery 1 Discharge Simulation of simulator, all controlled rectifier circuit is rectification mode, cathode output end P
There is provided electric energy with cathode output end N for DC load, and by the opening of 6 switch mosfet pipes in all controlled rectifier circuit, close
Disconnected time indirect controls DC side output voltage, ensures that output voltage being capable of real-time tracking given voltage；When simulation is filled
When electric, all controlled rectifier circuit is inversion operating mode, and external loads are backward by all controlled rectifier circuit and 4 inversion of two-way inverter
Utility grid feedback electric energy；All controlled rectifier circuit in the present embodiment uses the 224 two close cycles control of inner ring circuit 225 and outer shroud circuit
System, i.e. current inner loop control and outer voltage control mode, outer voltage control the DC voltage so that all controlled rectifier circuit
UdcThe consistently equal to port voltage of simulator, that is, standard voltage value Uref, realize to exchange side active power factor correction, reduction pair
The harmonic pollution of alternating current and interference.
Dsp controller in the present embodiment is TMS320F28335 chip of the set by PI controllers, the exchange of exchange side
The voltage and current signals of exchange side are sent to dsp controller 221 by voltage sensor 226 and AC current sensor 227
PI controllers, the direct current voltage sensor 228 and DC current sensor 229 of DC side transmit the voltage and current of DC side
To the PI controllers of dsp controller, lithium battery is simulated the standard voltage value U that interactive unit 3 inputs by PI controllersrefWith direct current
Side voltage UdcIt is compared and generates offset component e, while exporting the current component I of interior circular currentq1, inner ring circuit 225 is according to friendship
The signal solution decoupling current component I that galvanic electricity flow sensor 227 is transmittedq, PI controllers will obtain current deviation component e1, DSP controls
Device 221 is according to offset component e and current deviation component e1Modulation obtains sinusoidal modulation wave, and sinusoidal modulation wave and triangle carry phase wave phase
SVPWM pulse signals can be obtained by comparing, and the SVPWM pulse signals of generation are sent to driving circuit by SVPWM generators 222
223 to drive the switch mosfet pipe of all controlled rectifier circuit opening and closing, to ensure that the good dynamic of the simulator is rung
Answer performance and DC voltage UdcWith standard voltage value UrefBe substantial access to.
In the above process, PLL phaselocked loops 230 are connect with AC current sensor and SVPWM generators respectively, and PLL locks
Phase ring 230 is made of synchronous signal circuit, by detecting mains frequency, is adjusted carrier cycle in real time, is ensured the frequency of modulating wave
Dynamic tracking mains frequency realizes fine tuning.
In the description of this specification, the description of reference term " one embodiment ", " example ", " specific example " etc. means
Particular features, structures, materials, or characteristics described in conjunction with this embodiment or example are contained in at least one of the utility model
In embodiment or example.In the present specification, schematic expression of the above terms be not necessarily referring to identical embodiment or
Example.
The preferred embodiment in the utility model disclosed above is only intended to help to illustrate the utility model.Preferred embodiment is simultaneously
There is no the details that detailed descriptionthe is all, does not limit the specific implementation mode that the utility model is only described yet.Obviously, according to this theory
The content of bright book can make many modifications and variations.The utility model is only by claims and its full scope and equivalent
Limitation.
Claims (3)
1. a kind of dynamic lithium battery simulator, including Bidirectional variable-flow measurement and control unit and lithium battery simulate interactive unit, feature exists
In：The Bidirectional variable-flow measurement and control unit is made of power circuit and control circuit, and the power circuit includes filter inductance
L, equivalent resistance R, all controlled rectifier circuit and filter capacitor C, all controlled rectifier circuit is by 6 switch mosfet pipe parallel connection groups
At three-phase commutation bridge, the exchange side of all controlled rectifier circuit is connected to after filter inductance L and equivalent resistance R series connection, filter capacitor C is simultaneously
Connection is connected to the DC side of all controlled rectifier circuit, and the DC side of all controlled rectifier circuit draws cathode output end P and cathode output end
N；
The control circuit includes A/D sampling modules, pwm pulse control module and bi-directional ring control module, and A/D samples mould
Block includes AC voltage sensor, AC current sensor, direct current voltage sensor and DC current sensor, pwm pulse control
Molding block includes SVPWM generators and driving circuit, and bi-directional ring control module includes inner ring circuit and outer shroud circuit, alternating current
Pressure sensor and AC current sensor are connected on power circuit enter line side conducting wire, and direct current voltage sensor and direct current are spread
Sensor is connected on power circuit DC side conducting wire, and AC voltage sensor and AC current sensor are connect with inner ring circuit,
Direct current voltage sensor and DC current sensor are connect with outer shroud circuit, and inner ring circuit and outer shroud circuit are controlled with DSP respectively
Device connects, and dsp controller is connect with SVPWM generators, and AC current sensor also passes through PLL phaselocked loops and SVPWM generators
Connection, SVPWM generators are connect with driving circuit, and driving circuit is connect with all controlled rectifier circuit, and dsp controller is received by CAN
Hair module is connect with lithium battery simulation interactive unit.
2. a kind of dynamic lithium battery simulator according to claim 1, it is characterised in that：The lithium battery simulation interaction
Unit includes LCD liquid crystal displays and control panel.
3. a kind of dynamic lithium battery simulator according to claim 1, it is characterised in that：The dynamic lithium battery simulation
Device is connect with alternating current and two-way inverter respectively, and two-way inverter is electrically connected with city, the company of dynamic lithium battery simulator and alternating current
Pressure regulator, isolating transformer, fuse and A.C. contactor are equipped in link.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820307678.8U CN207835362U (en) | 2018-03-06 | 2018-03-06 | A kind of dynamic lithium battery simulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820307678.8U CN207835362U (en) | 2018-03-06 | 2018-03-06 | A kind of dynamic lithium battery simulator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207835362U true CN207835362U (en) | 2018-09-07 |
Family
ID=63398948
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820307678.8U Active CN207835362U (en) | 2018-03-06 | 2018-03-06 | A kind of dynamic lithium battery simulator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207835362U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109358296A (en) * | 2018-10-23 | 2019-02-19 | 格罗夫汽车科技有限公司 | Simulate the battery simulator and hydrogen fuel cell joint debugging test macro of hydrogen fuel cell |
| CN113556052A (en) * | 2021-07-23 | 2021-10-26 | 重庆和诚电器有限公司 | Control method of MOS switch type voltage regulator for motorcycle |
-
2018
- 2018-03-06 CN CN201820307678.8U patent/CN207835362U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109358296A (en) * | 2018-10-23 | 2019-02-19 | 格罗夫汽车科技有限公司 | Simulate the battery simulator and hydrogen fuel cell joint debugging test macro of hydrogen fuel cell |
| CN113556052A (en) * | 2021-07-23 | 2021-10-26 | 重庆和诚电器有限公司 | Control method of MOS switch type voltage regulator for motorcycle |
| CN113556052B (en) * | 2021-07-23 | 2022-12-23 | 重庆和诚电器有限公司 | Control method of MOS switch type voltage regulator for motorcycle |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103852663A (en) | Energy feedback type distributed photovoltaic power inverter integrated test system | |
| CN202433456U (en) | Test device for IGBT (insulated gate bipolar translator) parallel power unit | |
| CN106998147B (en) | Energy-saving multifunctional simulated electricity load device and control method thereof | |
| CN202135074U (en) | Fully-intelligent cell simulator | |
| CN104578168A (en) | Smooth switching control method for operating mode of micro-grid inverter of different capacity micro sources | |
| CN204012751U (en) | A kind of energy feedback type programmable electronic can be presented load device | |
| CN110365231A (en) | Single-phase repeated use of device formula active power decoupling cascade rectifier and its control method | |
| CN102508072B (en) | High-power three-level frequency converter temperature rise and loss testing method employing active front end | |
| CN106950512B (en) | Energy storage converter grid-connected and grid-disconnected characteristic integrated detection system and method | |
| CN102508073B (en) | Load test device for large-power frequency converter adopting front active end | |
| CN204439747U (en) | A kind of pick-up unit of electric system harmonic inhabitation functional device | |
| WO2018214347A1 (en) | Power electronic reactor performance testing device | |
| CN203720321U (en) | Power hedging test device for modularized multi-level converter valves | |
| CN106872818A (en) | The grid-connected Performance Test System and method of a kind of smooth storing cogeneration device | |
| CN207835362U (en) | A kind of dynamic lithium battery simulator | |
| CN103744017A (en) | Operation synthesis tester for ultrahigh voltage direct current converter valve | |
| CN109143009A (en) | A kind of IGBT power module test macro | |
| CN102290587B (en) | Redox flow cell simulation method and simulator | |
| CN206865359U (en) | A kind of energy-saving multifunction simulation electrical load device | |
| CN103618328B (en) | A kind of power conversion system of mobile energy storage | |
| CN104852616A (en) | Power grid simulator with line impedance simulation function, and control method | |
| CN204989260U (en) | Load current contains dc component's through -flow test platform of power module | |
| CN113009245A (en) | Fill portable detecting system of electric pile | |
| CN104764958A (en) | Testing system of power quality control equipment | |
| CN203722483U (en) | Three-phase programmable AC power supply device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |