CN203275471U - Cell simulator - Google Patents

Cell simulator Download PDF

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Publication number
CN203275471U
CN203275471U CN 201320292620 CN201320292620U CN203275471U CN 203275471 U CN203275471 U CN 203275471U CN 201320292620 CN201320292620 CN 201320292620 CN 201320292620 U CN201320292620 U CN 201320292620U CN 203275471 U CN203275471 U CN 203275471U
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China
Prior art keywords
phase
battery
voltage
module
current transformer
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Expired - Lifetime
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CN 201320292620
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Inventor
张国澎
马建立
殷玉洋
常娜卿
沙广林
臧磊
权好
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JINGYI CHUNSHU RECTIFIER CO Ltd BEIJING
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JINGYI CHUNSHU RECTIFIER CO Ltd BEIJING
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Priority to CN 201320292620 priority Critical patent/CN203275471U/en
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Abstract

Disclosed is a cell simulator which comprises a three-phase power frequency transformer, a drive circuit, a controller, and a three-phase PWM converter. The three-phase power frequency transformer has a primary side which is used for connecting a power grid, and a secondary side of the three-phase power frequency transformer is connected with the alternating-current side of the three-phase PWM converter. The direct-current side of the three-phase PWM converter is connected with a load. The drive circuit is electrically connected with the three-phase PWM converter and the controller. The controller is connected with a direct-current side voltage sensor and a direct-current side current sensor of the three-phase PWM converter, and an alternating-current side voltage sensor and an alternating-current side current sensor of the three-phase PWM converter. The controller collects voltage and current signals of the direct-current side and the alternating-current side of the three-phase PWM converter. The three-phase PWM converter is controlled through the drive circuit to achieve the simulation of the charge and discharge characteristics of a cell. The simulator can effectively improve the operation efficiency of a system whole machine, achieve energy feedback to the power grid when a charge pile or an energy storage inverter charges, and effectively save energy.

Description

A kind of battery simulator
Technical field
The utility model relates to field of batteries, is specifically related to a kind of battery simulator.
Background technology
All need in process of production by battery simulator, its performance to be tested for the charging pile of intelligent grid energy storage inverter used, electric automobile and new-energy automobile motor etc.Traditional battery simulator adopts AC/DC to coordinate the two-layer configuration of controlling with DC/DC more, and this will reduce the overall efficiency of system undoubtedly, causes the waste of the energy; Traditional more consideration of battery simulator be the Dynamic Simulation of battery discharge section, change electric energy into direct current from interchange and offer load, as photovoltaic cell simulator, lithium-ion-power cell simulator etc., can't pass the electric energy of load feedback back electrical network, thereby can't simulate the charge characteristic of all kinds of batteries comparatively really, and be not suitable for the occasion that simulation is had relatively high expectations to the battery charge characteristic such as energy storage inverter, charging pile.
Due to the equipment that simulation is had relatively high expectations to the battery charge characteristic such as energy storage inverter, charging pile, for the kind of energy-storage battery more, existing method of testing need to be prepared the true battery of number of different types usually, the shortcomings such as true battery has that volume is large, the life-span is short, difficult in maintenance, contaminated environment, thereby increased the cost of research and development, increased the test period of finished product.Simultaneously because test relies on true battery, the dirigibility of test is relatively poor, and energy can't feedback grid, causes the energy dissipation of test.
The utility model content
In view of this, the purpose of this utility model is to provide a kind of battery simulator, low with the overall efficiency that solves above-mentioned traditional analog device system, be not suitable for the occasion that simulation is had relatively high expectations to the battery charge characteristic, and the problem that the R﹠D costs of true battery are high, test period is long.
Technical scheme is specific as follows:
A kind of battery simulator comprises three-phase main-frequency transformer, driving circuit and controller, also comprises the three-phase PWM current transformer;
Described three-phase main-frequency transformer has for the former limit that connects electrical network, and its secondary is connected with the AC of described three-phase PWM current transformer;
The DC side of described three-phase PWM current transformer is connected with load;
Described driving circuit is electrically connected to described three-phase PWM current transformer and described controller respectively;
Described controller is connected with dc voltage sensor, DC side current sensor, the AC voltage sensor of described three-phase PWM current transformer, the ac-side current sensor of described three-phase PWM current transformer respectively;
Described controller gathers the DC side of described three-phase PWM current transformer and the voltage and current signal of AC, by described driving circuit, controls described three-phase PWM current transformer realization to the simulation of the charge-discharge characteristic of battery.
Further: described three-phase PWM current transformer is Three-Phase Voltage PWM Converter.
Further: the circuit structure of described three-phase PWM current transformer is the three-phase full-controlled bridge topological structure.
Further: described three-phase full-controlled bridge topological structure comprises two level three-phase full-controlled bridge topological structures, diode-clamped five-level topological structure, the clamped type five level topological structures of electric capacity, diode clamping type three level topological structures or the clamped type three level topological structures of electric capacity.
Further: the DC side of described Three-Phase Voltage PWM Converter comprises positive output end and negative output terminal.
Further: also comprise fuse, described positive output end is connected with an end of described fuse, and the other end of described fuse is connected with the positive pole of described load, and described negative output terminal is connected with the negative pole of described load.
Further: described controller comprises control panel and control system; Wherein, described control panel comprises data acquisition module, computing module, communication module and pulse-length modulation module PWM, described computing module is connected with described data acquisition module, described PWM module and the communication module of being connected respectively, described communication module is connected with described control system, described PWM module be connected driving circuit and connect; Described data acquisition module is transferred to described computing module with the voltage and current signal that gathers, described control system is transferred to described computing module by described communication module with operational order, described computing module is processed controlled signal after computing with described voltage and current signal and described operational order, and described control signal is transferred to described PWM module, described PWM module sends to described driving circuit with described control signal.
Further: described control system comprises industrial computer, programmable logic controller (PLC) PLC or is connected with the control module of display.
Further: described load comprises charging pile or energy storage inverter.
The beneficial effects of the utility model are:
(1) the utility model adopts AC/DC single-stage converter structure, can effectively improve the operational efficiency of system's complete machine;
(2) current transformer has adopted the full-control type two way convertor that energy can between DC side and AC two-way flow, the energy-feedback power grid in the time of can realizing charging pile, the charging of energy storage inverter, effectively saves energy;
(3) the utility model is more paid close attention to the simulation of versatility and the charging process of battery simulator, and this battery simulator work has two kinds of patterns: charge mode and discharge mode; Take into account the simulation of conventional batteries simulator flash-over characteristic, more paid attention to the charging process simulation to battery simultaneously, realized the flexible simulation to variety classes, different capabilities, different electric pressure batteries;
(4) can realize simulation to the variety classes battery, as the charge and discharge external characteristics simulation of the multiple battery such as ferric phosphate lithium cell, lithium manganate battery, photovoltaic cell, lead-acid battery;
(5) can realize flexible setting to all kinds of battery different capabilities, different electric pressures;
(6) can realize simulation to battery capacity, voltage, current characteristics in battery charge and discharge process;
(7) can realize flexible adjustment to the charging, discharging electric batteries time;
(8) can cooperatively interact with the charging process of charging pile, energy storage inverter, automatic constant-pressure, constant current switching or manual switchover can coordinate the charging process of simulating all kinds of batteries preferably;
(9) can set flexibly current battery capacity, simulate the charging process under different battery capacities;
(10) simulation time of battery simulator is adjustable, both can be according to discharging and recharging really time simulation, also can accelerate the simulation of battery charge and discharge process by setting simulation time, this can save the product such as energy storage inverter to the time of battery charge and discharge process test.
Description of drawings
Fig. 1 is the structural representation of the battery simulator in optional embodiment 1;
Fig. 2 is two level three-phase full-controlled bridge topology schematic diagram of the three-phase PWM current transformer in optional embodiment;
Fig. 3 is the diode-clamped five-level topology schematic diagram of the three-phase PWM current transformer in optional embodiment;
Fig. 4 is the clamped type five level topology schematic diagram of the electric capacity of the three-phase PWM current transformer in optional embodiment;
Fig. 5 is the diode clamping type three level topology schematic diagram of the three-phase PWM current transformer in optional embodiment;
Fig. 6 is the clamped type three level topology schematic diagram of the electric capacity of the three-phase PWM current transformer in optional embodiment;
Fig. 7 is the structural representation of the battery simulator in optional embodiment 3;
Fig. 8 is the structural representation of optional embodiment middle controller;
Fig. 9 is the control method process flow diagram of the battery simulator in optional embodiment;
Figure 10 arranges the process flow diagram of battery parameter in optional embodiment.
Embodiment
The following description and drawings illustrate specific embodiments of the present invention fully, to enable those skilled in the art to put into practice them.Embodiment only represents possible variation.Unless explicitly call for, otherwise independent parts and function are optional, and the order of operation can change.The part of some embodiments and feature can be included in or replace part and the feature of other embodiments.The scope of embodiment of the present utility model comprises the gamut of claims, and all obtainable equivalents of claims.In this article, these embodiments of the present utility model can be represented with term " utility model " individually or always, this is only for convenient, surpassing the invention of and if in fact disclose, is not that the scope that will automatically limit this application is any single invention or inventive concept.
Embodiment 1
As shown in Figure 1, a kind of battery simulator comprises three-phase main-frequency transformer 1, three-phase PWM current transformer 2, driving circuit 3 and controller 4.
The simulation that the battery simulator of the present embodiment adopts three-phase PWM current transformer 2 directly to coordinate three-phase main-frequency transformer 1 to realize the charge and discharge pattern of charge type equipment on the whole.
The former limit of three-phase main-frequency transformer 1 is connected with three phase network, and secondary is connected with the AC of three-phase PWM current transformer 2; Three-phase PWM current transformer 2 DC side are connected with load 5.The major function of three-phase main-frequency transformer 1 is: realize that the isolation, match user of three-phase PWM current transformer 2 and electrical network are to the needs of different electric pressures.
Three-phase PWM current transformer 2 for realizing the full-control type two way convertor of energy two-way flow between DC side and AC, is the execution architecture that discharges and recharges external characteristics of all kinds of batteries of simulation.
Controller 4 is connected with AC voltage sensor, ac-side current sensor and the driving circuit 3 of the dc voltage sensor of three-phase PWM current transformer 2, DC side current sensor, three-phase PWM current transformer 2 respectively.
Controller 4 is used for gathering DC side DC current values, the dc voltage value of three-phase PWM current transformer 2, and the three-phase voltage value of three-phase PWM current transformer 2 ACs, three-phase electricity flow valuve, with controlled signal after the voltage and current signal processing computing that gathers, and transmit control signal to driving circuit 3; Driving circuit 3 is electrically connected to three-phase PWM current transformer 2 and controller 4 respectively, driving circuit 3 is accepted the control signal that controller 4 sends, drive the simulation that three-phase PWM current transformer 2 is realized the charge-discharge characteristic of battery, that is: simulated battery discharge process, three-phase PWM current transformer 2 provides electric energy to load; The simulated battery charging process, three-phase PWM current transformer 2 is passed the electric energy of load feedback back electrical network.
Embodiment 2
As shown in Figure 1, a kind of battery simulator comprises three-phase main-frequency transformer 1, three-phase PWM current transformer 2, driving circuit 3 and controller 4.
The simulation that the battery simulator of the present embodiment adopts three-phase PWM current transformer 2 directly to coordinate three-phase main-frequency transformer 1 to realize the charge and discharge pattern of charge type equipment on the whole.
The former limit of three-phase main-frequency transformer 1 is connected with three phase network, and secondary is connected with the AC of three-phase PWM current transformer 2; Three-phase PWM current transformer 2 DC side are connected with load 5.The major function of three-phase main-frequency transformer 1 is: realize that the isolation, match user of three-phase PWM current transformer 2 and electrical network are to the needs of different electric pressures.
Three-phase PWM current transformer 2 for realizing the full-control type two way convertor of energy two-way flow between DC side and AC, is the execution architecture that discharges and recharges external characteristics of all kinds of batteries of simulation.Three-phase PWM current transformer 2 adopts the three-phase full-controlled bridge topological structure, belongs to AC/DC single-stage converter structure, as shown in Fig. 2~6, is the adoptable topological structure schematic diagram of three-phase PWM current transformer 2, and 8 is reactor.Fig. 2 is existing two level three-phase full-controlled bridge topological structure schematic diagram; Fig. 3 is existing diode-clamped five-level topological structure schematic diagram; Fig. 4 is the existing clamped type five level topological structure schematic diagram of electric capacity; Fig. 5 is existing diode clamping type three level topological structure schematic diagram; Fig. 6 is the existing clamped type three level topological structure schematic diagram of electric capacity.The circuit structure of three-phase PWM current transformer 2 includes but not limited to the topological structure as shown in Fig. 2~6, and the reactor end of the circuit structure of three-phase PWM current transformer 2 is connected with three-phase main-frequency transformer 1.
Controller 4 is connected with AC voltage sensor, ac-side current sensor and the driving circuit 3 of the dc voltage sensor of three-phase PWM current transformer 2, DC side current sensor, three-phase PWM current transformer 2 respectively.
Controller 4 is used for gathering three-phase PWM current transformer 2 DC side DC current values, dc voltage value, and the three-phase voltage value of three-phase PWM current transformer 2 ACs, three-phase electricity flow valuve, with controlled signal after the voltage and current signal processing computing that gathers, and transmit control signal to driving circuit 3; Driving circuit 3 is electrically connected to three-phase PWM current transformer 2 and controller 4 respectively, driving circuit 3 is accepted the control signal that controller 4 sends, drive the simulation that three-phase PWM current transformer 2 is realized the charge-discharge characteristic of battery, that is: simulated battery discharge process, three-phase PWM current transformer 2 provides electric energy to load; The simulated battery charging process, three-phase PWM current transformer 2 is passed the electric energy of load feedback back electrical network.
Embodiment 3
As shown in Figure 8, a kind of battery simulator comprises three-phase main-frequency transformer 1, Three-Phase Voltage PWM Converter 2 ', driving circuit 3, controller 4 and fuse 6.
The simulation that the battery simulator of the present embodiment adopts Three-Phase Voltage PWM Converter 2 ' directly to coordinate three-phase main-frequency transformer 1 to realize the charge and discharge pattern of charge type equipment on the whole.
The former limit of three-phase main-frequency transformer 1 is connected with three phase network, and secondary is connected with the AC of Three-Phase Voltage PWM Converter 2 '; The positive output end of Three-Phase Voltage PWM Converter 2 ' DC side first is connected with fuse 6, fuse 6 is connected with the positive pole of load 5 again, the negative output terminal of Three-Phase Voltage PWM Converter 2 ' DC side directly is connected with the negative pole of load 5, and load 5 comprises the charging equipments such as charging pile or energy storage inverter.The major function of three-phase main-frequency transformer 1 is: realize that the isolation, match user of Three-Phase Voltage PWM Converter 2 ' and electrical network are to the needs of different electric pressures; Three-Phase Voltage PWM Converter 2 ' is for realizing energy at direct current and the current transformer of two-way flow between exchanging, the execution architecture that discharges and recharges external characteristics of all kinds of batteries of simulation.
Controller 4 is connected with AC voltage sensor, ac-side current sensor and the driving circuit 3 of the dc voltage sensor of Three-Phase Voltage PWM Converter 2 ', DC side current sensor, Three-Phase Voltage PWM Converter 2 ' respectively.
Controller 4 comprises control panel 41 and control system 42, wherein, control panel 41 comprises data acquisition module 411, computing module 412, communication module 413 and pulse-length modulation module 414 (Pulse Width Modulation, PWM), computing module 412 is connected with communication module with data acquisition module 411, PWM module 414 respectively and is connected, communication module 413 is connected with control system 42, and PWM module 414 is connected connection with driving circuit.
Data acquisition module 411 is used for gathering DC current values, the dc voltage value of Three-Phase Voltage PWM Converter 2 ' DC side, and the three-phase voltage value of Three-Phase Voltage PWM Converter 2 ' AC, three-phase electricity flow valuve, and the voltage and current signal that gathers is transferred to computing module 412; Control system 42 is transferred to computing module 412 by communication module 413 with operational order, computing module 412 is processed controlled signal after computing with voltage and current signal and operational order, and control signal is transferred to PWM module 414, PWM module 414 sends to driving circuit 3 with control signal; Driving circuit 3 is electrically connected to Three-Phase Voltage PWM Converter 2 ' and controller 4 respectively, driving circuit 3 is accepted the control signal that controller 4 sends, drive the simulation that Three-Phase Voltage PWM Converter 2 ' is realized the charge-discharge characteristic of battery, that is: simulated battery discharge process, Three-Phase Voltage PWM Converter 2 ' provides electric energy to load; The simulated battery charging process, Three-Phase Voltage PWM Converter 2 ' is passed the electric energy of load feedback back electrical network.
Control system 42 can adopt industrial computer, programmable logic controller (PLC) (Programmable Logic Controller, PLC) or the mode that is connected with the control module of display realize, control module is prior art, and the handled easily personnel monitor whole system and control.
The circuit structure of Three-Phase Voltage PWM Converter 2 ' can adopt any topological structure as shown in Fig. 2~6, and the reactor end of the circuit structure of Three-Phase Voltage PWM Converter 2 ' is connected with three-phase main-frequency transformer 1.
Realization is as follows to the control method of battery simulator in above-described embodiment:
The control model of battery simulator of the present utility model is divided into two parts: discharge mode and charge mode.Discharge mode and traditional battery simulator are similar, adopt the method for battery discharge voltage match.
At first need set up battery charge state (State Of Charge, SOC) with the cell voltage external characteristic curve table of battery open circuit voltage, set up the battery charge external characteristic curve table of SOC and charging current, as the basis of battery simulator match battery external characteristic curve.
The processing operational method of the voltage and current signal of 4 pairs of collections of controller of battery simulator, namely the control flow of the control system of battery simulator as shown in Figure 9, comprising:
S10: device start.
S11: judge whether the user needs battery parameter is carried out new setting.
S12: move according to the battery parameter that arranged last time as not needing, current battery SOC calculates according to upper secondary program.
S13: if need to would enter the battery parameter setting, the battery setting comprises: fully sparking voltage, charging voltage, battery rated capacity, the initial SOC of battery, maximum charging and discharging currents, constant voltage SOC, battery operation mode, simulation time arrange fully.
" sparking voltage fully " mentioned above refers to the cell voltage after battery discharges fully; " charging voltage fully " refers to the cell voltage after battery is full of electricity fully; " battery rated capacity " refers to the ampere-hour capacity of institute's artificial battery; Battery dump energy when " the initial SOC of battery " refers to battery simulation operation beginning; " maximum charging and discharging currents " refers to the current value of the maximum output of battery simulator DC side or input, will current limliting when surpassing this value on this value; " constant voltage SOC " refers in charging process, enter the constant-voltage charge pattern when battery remaining power arrives this value, and matched curve this moment table will adopt " battery current curve table "; The curve mode of constant-voltage charge state is to adopt: the corresponding relation of battery SOC and battery open circuit voltage is made the battery current curve table, and by estimating current battery SOC, tabling look-up obtains the battery dc voltage.By the control to battery simulator, realize the simulation of constant-voltage charge section battery external characteristics; The curve mode of constant-current charge state is to adopt: the corresponding relation of battery SOC and battery charge is made the battery current curve table, and by estimating current battery SOC, tabling look-up obtains the command value of battery charge.By the control to battery simulator, realize the simulation of constant-current charge section battery external characteristics." battery operation mode " refers to that battery is charging process simulation or discharge process simulation; " simulation time " refers to the time of charge or discharge of battery simulation, and after this value arranged, the time of each process of emulation dwindled equal proportion.Improved ampere-hour integral method has been adopted in the estimation of SOC, can adjust flexibly the simulation time of battery simulator.The time of ampere-hour integral method be multiply by one adjust coefficient, just can with time lengthening or the shortening of battery charging and discharging, reach and adjust the purpose of adjusting flexibly the battery simulator simulation time.
S14: the method for operation of judgement battery.
S141: if the battery operation mode is arranged to discharge mode, each parameter of system will keep currency, until the emulation of battery simulation discharge begins to start.
S142: after emulation starts, system will be according to the size of discharge current and the SOC of the current battery of time estimation, cell voltage external characteristic curve table by SOC and battery open circuit voltage, tabling look-up obtains the instruction model of dc voltage this moment, and the DC voltage of control system makes it approach this voltage command signal and gets final product.
S143: along with the carrying out of discharge process, the battery end of discharging fully.
S144: after battery discharges end fully, emulation will stop, and in system, each parameter will remain on currency.
S151: if the battery operation mode is arranged to charge mode, will keep currency with each parameter of discharge mode similar system, until the emulation of battery analog charge begins to start.
S152: after emulation started, system will be according to the size of discharge current and the SOC of the current battery of time estimation.
S153: along with the carrying out of charging process, battery is full of fully, and charging finishes.
S154: after charging finishes, emulation will stop, and in system, each parameter will remain on currency.
S16: in the charge or discharge process, judge that whether current SOC value is more than or equal to " constant voltage SOC ".
S17: if do not have, system still runs on the control voltage status, and by the cell voltage external characteristic curve table of SOC and battery open circuit voltage, tabling look-up obtains the instruction model of dc voltage this moment.
S171: according to the instruction model of dc voltage, the DC voltage of control system makes it approach this voltage command signal.
S18: if front SOC value more than or equal to " constant voltage SOC ", system will run on the control current status, by the battery charge external characteristic curve table of SOC and charging current, table look-up obtain this moment DC side the current-order model.
S181: according to the current-order model of DC side, control this electric current and approach the instruction current value.
The charge mode simulation of the utility model battery simulator has improved SOC to be estimated automatically, pressure constant state, two kinds of switching modes of constant current state automatic or manual; Constant voltage, two kinds of switching modes of constant current state automatic or manual refer to: during the charging simulation, battery simulator can switch to the constant-current charge mode by constant voltage charging method automatically according to pre-set SOC value, also can manually switch to the constant-current charge mode by constant voltage charging method in the arbitrary process of charging.
The prerequisite of battery parameter setting is to carry out after system emulation suspends.During simulation run, can't arrange battery parameter.The battery parameter setting procedure comprises as shown in figure 10:
S131: the emulation time-out enters battery parameter window is set.
S132: this moment, system kept entering " battery parameter arranges window " front state.
S133: each parameter of battery is arranged, and this moment, battery parameter can't come into force at once, and system still keeps entering " battery parameter arranges window " front state.
S134: wait for that battery parameter arranges confirmation, if do not confirm, system still keeps entering " battery parameter arranges window " front state.
S135: if battery parameter arranges confirmation, system will begin according to new battery parameter to adjust, until meet newly-installed battery parameter fully.
S136: setting completed for battery parameter, and withdraw from " battery parameter arranges window ".System will keep newly-installed battery parameter operation, until emulation begins.
High-power double mode battery simulator of the present utility model has the function to the simulation of polytype battery external characteristics, have two kinds of mode of operations of charge and discharge double mode, can coordinate preferably charging pile, energy storage inverter to carry out battery simulation charge and discharge emulation experiment.
Those skilled in the art it should also be understood that, for the syntagmatic of each parts clearly is described, the above has carried out usually describing around its function to various illustrative parts and annexation thereof, as for the combination of adopting which parts, depend on specific application and the design constraint that whole device is applied.Those skilled in the art can be for each application-specific, realizes described function in the mode of accommodation, still, thisly realizes that decision-making should not be construed as and deviates from protection domain of the present disclosure.

Claims (9)

1. a battery simulator, comprise three-phase main-frequency transformer, driving circuit and controller, it is characterized in that, also comprises the three-phase PWM current transformer;
Described three-phase main-frequency transformer has for the former limit that connects electrical network, and its secondary is connected with the AC of described three-phase PWM current transformer;
The DC side of described three-phase PWM current transformer is connected with load;
Described driving circuit is electrically connected to described three-phase PWM current transformer and described controller respectively;
Described controller is connected with dc voltage sensor, DC side current sensor, the AC voltage sensor of described three-phase PWM current transformer, the ac-side current sensor of described three-phase PWM current transformer respectively;
Described controller gathers the DC side of described three-phase PWM current transformer and the voltage and current signal of AC, by described driving circuit, controls described three-phase PWM current transformer realization to the simulation of the charge-discharge characteristic of battery.
2. battery simulator as claimed in claim 1, is characterized in that, described three-phase PWM current transformer is Three-Phase Voltage PWM Converter.
3. battery simulator as claimed in claim 1 or 2, is characterized in that, the circuit structure of described three-phase PWM current transformer is the three-phase full-controlled bridge topological structure.
4. battery simulator as claimed in claim 3, it is characterized in that, described three-phase full-controlled bridge topological structure comprises two level three-phase full-controlled bridge topological structures, diode-clamped five-level topological structure, the clamped type five level topological structures of electric capacity, diode clamping type three level topological structures or the clamped type three level topological structures of electric capacity.
5. battery simulator as claimed in claim 2, is characterized in that, the DC side of described Three-Phase Voltage PWM Converter comprises positive output end and negative output terminal.
6. battery simulator as claimed in claim 5, it is characterized in that, also comprise fuse, described positive output end is connected with an end of described fuse, the other end of described fuse is connected with the positive pole of described load, and described negative output terminal is connected with the negative pole of described load.
7. battery simulator as claimed in claim 1, is characterized in that, described controller comprises control panel and control system; Wherein, described control panel comprises data acquisition module, computing module, communication module and pulse-length modulation module PWM, described computing module is connected with described data acquisition module, described PWM module and the communication module of being connected respectively, described communication module is connected with described control system, described PWM module be connected driving circuit and connect; Described data acquisition module is transferred to described computing module with the voltage and current signal that gathers, described control system is transferred to described computing module by described communication module with operational order, described computing module is processed controlled signal after computing with described voltage and current signal and described operational order, and described control signal is transferred to described PWM module, described PWM module sends to described driving circuit with described control signal.
8. battery simulator as claimed in claim 7, is characterized in that, described control system comprises industrial computer, programmable logic controller (PLC) PLC or is connected with the control module of display.
9. battery simulator as claimed in claim 1, is characterized in that, described load comprises charging pile or energy storage inverter.
CN 201320292620 2013-05-27 2013-05-27 Cell simulator Expired - Lifetime CN203275471U (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103730905A (en) * 2013-12-20 2014-04-16 杨仁刚 Accumulator power supply simulation device and method
CN104850014A (en) * 2015-05-27 2015-08-19 广东戈兰玛汽车系统有限公司 Simulation method of battery pack and simulated battery pack system
CN111596218A (en) * 2020-06-19 2020-08-28 深圳市福光动力通信设备有限公司 Device for simulating charge-discharge characteristics of lead-acid battery pack by using lithium battery pack
CN112816809A (en) * 2020-12-29 2021-05-18 中通客车控股股份有限公司 Power battery simulation system and method for whole vehicle working condition test

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103730905A (en) * 2013-12-20 2014-04-16 杨仁刚 Accumulator power supply simulation device and method
CN104850014A (en) * 2015-05-27 2015-08-19 广东戈兰玛汽车系统有限公司 Simulation method of battery pack and simulated battery pack system
CN111596218A (en) * 2020-06-19 2020-08-28 深圳市福光动力通信设备有限公司 Device for simulating charge-discharge characteristics of lead-acid battery pack by using lithium battery pack
CN111596218B (en) * 2020-06-19 2022-08-02 深圳市福光动力通信设备有限公司 Device for simulating charge-discharge characteristics of lead-acid battery pack by using lithium battery pack
CN112816809A (en) * 2020-12-29 2021-05-18 中通客车控股股份有限公司 Power battery simulation system and method for whole vehicle working condition test

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