CN103730905A - Accumulator power supply simulation device and method - Google Patents
Accumulator power supply simulation device and method Download PDFInfo
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- CN103730905A CN103730905A CN201310713415.9A CN201310713415A CN103730905A CN 103730905 A CN103730905 A CN 103730905A CN 201310713415 A CN201310713415 A CN 201310713415A CN 103730905 A CN103730905 A CN 103730905A
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Abstract
The invention provides an accumulator power supply simulation device. The device comprises an accumulator simulation interaction unit and a two-way current transformation measure and control unit. The accumulator simulation interaction unit is in communication connection with the two-way current transformation measure and control unit through a CAN bus and is used for setting accumulator information, determining a type of a simulated accumulator according to the set accumulator information and sending real-time port voltage of the simulated accumulator to the two-way current transformation measure and control unit, wherein the accumulator information comprises the type, nominal parameters and the original state of the accumulator; the two-way current transformation measure and control unit is used for simulating discharging/charging processes of corresponding accumulators according to the received real-time port voltage of the simulated accumulator and sending output parameters of the simulated accumulator to the accumulator simulation interaction unit. According to the device, the types, nominal parameters, initial parameters and the like of the accumulators can be set or changed at any time, and accumulators and accumulator batteries of different types, different voltage capacity grades and different original states can be dynamically simulated.
Description
Technical field
The present invention relates to a kind of battery feed analogue means in applied power electronics technical field, especially micro-capacitance sensor simulation system energy-storage units and method.
Background technology
With the progress of society, requirement of the society to supply of electric power is also stepped up, and is mainly reflected in following two aspects：1. it is further serious with the environmental problem that increasingly deficient and its excessive use is brought of fossil fuel, the extensive concern for having obtained society is developed as the distributed energy of representative using clean energy resourcies such as wind, light.Supply of electric power absorbs distributed clean energy resource transformation necessarily as power network future thrust as primary energy from conventional fossil fuel to extensive.2. the use of a large amount of a type loads or sensitiveness load, power supply reliability and the quality of power supply to power system propose higher requirement.Micro-capacitance sensor is effective using distributed clean energy resource, while improving the effective form of power supply reliability, and its composition generally includes honourable distributed generator unit, batteries to store energy unit, load etc..At present, global hot issue is turned into for the relation technological researching of micro-capacitance sensor or microgrid group.
In micro-capacitance sensor simulation system, batteries to store energy unit using batteries by directly being realized, but there are the following problems：1. life-span, bankroll problem；2. polytype battery and other energy storage devices need to be configured during composite energy storage；3., it is necessary to ask energy storage battery nominal parameter or initial SOC during correlative study（State-of-charge）Flexibly adjusted etc. initial parameter, therefore a large amount of battery connection in series-parallel are needed to realize the change of nominal parameter, then need to carry out charge and discharge for SOC in advance and meet it to require that Related Experimental Study could be carried out, time length and discharge and recharge cause waste of energy, underaction.
In view of this, how to provide a kind of batteries to store energy unit for carrying out dynamic analog for micro-capacitance sensor simulation system is current urgent problem.
The content of the invention
（One）The technical problem to be solved
The purpose of the present invention is, a kind of battery feed analogue means and method are provided, dynamic analog being carried out to accumulator cell charging and discharging two benches overall process output characteristics so as to realize, and can simulating different types of battery, flexible batteries to store energy unit is provided for micro-capacitance sensor simulation system.
（Two）Technical scheme
In order to solve the above technical problems, the present invention provides a kind of battery feed analogue means, including：Storage battery analog interactive unit and Bidirectional variable-flow measurement and control unit, the storage battery analog interactive unit are communicated to connect by CAN and Bidirectional variable-flow measurement and control unit；
The storage battery analog interactive unit is used to set battery information, the battery model that is modeled is determined according to the battery information that sets and is to be simulated the real-time port voltage of battery to send to Bidirectional variable-flow measurement and control unit, wherein, the battery information includes type, nominal parameter and the original state of battery；
The Bidirectional variable-flow measurement and control unit is used for the charged/discharged process according to the corresponding battery of real-time port voltage analog for being modeled battery received, and is to be simulated the output parameter of battery and is sent to storage battery analog interactive unit.
Wherein, the storage battery analog interactive unit includes control computer, and the control computer includes the setting unit of setting battery information, the memory cell for storing battery model, calculating is modeled battery output characteristics and characteristic computing unit and display is modeled battery output characteristics and characteristic display unit.
Wherein, the Bidirectional variable-flow measurement and control unit includes the control circuit for receiving the real-time port voltage and the power circuit for simulating corresponding battery discharging/charging process, it is described to control circuit to be that target voltage controls power circuit according to the real-time port voltage for being modeled battery received, make the output characteristics of power circuit to be modeled battery characteristics.
Wherein, the power circuit includes：Lead-in circuit breaker, single-phase isolating transformer, filter inductance, single-phase full-controlled bridge circuit, the filter capacitor being sequentially connected electrically, the filter capacitor includes the positive output end of connection charging device/load one end and the negative output terminal of connection charging device/load other end, and the lead-in circuit breaker is also connected with power network.
Wherein, the single-phase isolating transformer is toroidal transformer.
Wherein, the control circuit includes：Master cpu unit, AD sample circuits, drive circuit, working power circuit and CAN communication drive circuit；The master cpu unit includes signal processor DSP and the AD subelements being connected with DSP, PWM subelements, CAN transmitting-receiving subelements；
The AD sample circuits, it is all connected with power circuit, AD sampling subelements, the voltage and current for gathering power circuit, and the voltage and current collected is sent to the AD subelements；
The drive circuit, it is all connected with power circuit, PWM subelements, the break-make for driving power circuit；
The working power circuit, it is all connected with power circuit, control circuit, for providing working power for the Bidirectional variable-flow measurement and control unit；
The CAN communication drive circuit, it is all connected with storage battery analog interactive unit, CAN transmitting-receiving subelements, and CAN communication is used between the storage battery analog interactive unit and Bidirectional variable-flow measurement and control unit for driving.
Wherein, the battery model includes lead acid storage battery pool model, Li-ion battery model, and NI-G, Ni-MH battery model；
The lead acid storage battery pool model is：
Discharging model：（i>0）
Charge model：(i<0)
The Li-ion battery model is：
Discharging model：（i>0）
Charge model：(i<0)
The NI-G, Ni-MH battery model are：
Discharging model：（i>0）
Charge model：(i<0)
In order to solve the above technical problems, the present invention also provides a kind of battery feed analogy method, including：
Storage battery analog interactive unit sets battery information, the battery model for determining to be modeled according to the battery information set；Obtain the real-time port voltage U for being modeled batteryBAT, and send the real-time port voltage to Bidirectional variable-flow measurement and control unit；Wherein, the battery information includes type, nominal parameter and the original state of battery；
The real-time port voltage U of the Bidirectional variable-flow measurement and control unit to receiveBATClosed-loop control is carried out to power circuit output DC voltage for target voltage, is equal to power circuit output DC bus-bar voltage and is modeled the real-time port voltage U of batteryBAT, and send the real-time parameter of analogue means to storage battery analog interactive unit；Wherein, the real-time parameter includes the DC bus-bar voltage, DC bus current, working condition of analogue means；The closed-loop control is DC voltage outer shroud, the real-time double-closed-loop control of alternating current inner ring；
Storage battery analog interactive unit receives the real-time parameter and is modeled battery real-time SOC and real-time port voltage U next time according to being determined the DC bus currentBAT1, to realize battery output characteristics dynamic analog.SOC is calculated specifically, being updated according to following formula, battery condition is modeled for showing：
Wherein, the storage battery analog interactive unit determines to be modeled after battery model also to include：
Calculate the output characteristic curve for being modeled battery according to the battery model that is modeled and export output characteristics in real time.
Wherein, the storage battery analog interactive unit shows the real-time parameter.
（Three）Beneficial effect
It is different from background technology, the present invention provides a kind of battery feed analogue means, on the basis of storage battery analog interactive unit builds battery dynamic model, draw the electrical characteristic of the battery different phase of corresponding model, and in this, as index and benchmark, by Bidirectional variable-flow measurement and control unit, regulation makes it track institute's call instruction in real time, you can carry out dynamic analog to being modeled accumulator cell charging and discharging different phase.By technical scheme, battery types, nominal parameter, initial parameter etc., simulation different type, different voltage capacity grades, the battery of different original states and batteries can be set or changed at any time.
Brief description of the drawings
Fig. 1 is the structural representation of an embodiment battery feed analogue means；
Fig. 2 is the circuit diagram of battery model；
Fig. 3 is Bidirectional variable-flow measurement and control unit schematic diagram；
Fig. 4 is the schematic flow sheet of an embodiment battery feed analogy method；
Fig. 5 is the battery feed analogue means charging stage to simulate schematic diagram
Fig. 6 is battery feed analogue means step simulations schematic diagram
Fig. 7 is imitated storage battery output characteristics schematic diagram；
Fig. 8 is APFC Bidirectional variable-flow DC voltages outer shroud, alternating current inner ring control block diagram；
Fig. 9 is embodiment accumulator simulation power source discharge and recharge dynamic analog process voltage, electric current, SOC schematic diagrames.
Embodiment
To make the purpose of the present invention, content and advantage clearer, with reference to the accompanying drawings and examples, the embodiment to the present invention is described in further detail.Following examples are used to illustrate the present invention, but are not limited to the scope of the present invention.
Referring to Fig. 1, a kind of battery feed analogue means is present embodiments provided, including：Storage battery analog interactive unit and Bidirectional variable-flow measurement and control unit, the storage battery analog interactive unit are communicated to connect by CAN and Bidirectional variable-flow measurement and control unit.
Storage battery analog interactive unit is used to set battery information, the battery model that is modeled is determined according to the battery information that sets and is to be simulated the real-time port voltage of battery to send to Bidirectional variable-flow measurement and control unit, wherein, the battery information includes type, nominal parameter and the original state of battery.Specifically, the storage battery analog interactive unit is control computer, and the control computer includes the setting unit of setting battery information, the memory cell for storing battery model, calculating is modeled battery output characteristics and characteristic computing unit and display is modeled battery output characteristics and characteristic display unit.
Bidirectional variable-flow measurement and control unit is used for the charged/discharged process according to the corresponding battery of real-time port voltage analog for being modeled battery received, and is to be simulated the output parameter of battery and is sent to storage battery analog interactive unit.In the present embodiment, Bidirectional variable-flow measurement and control unit is controlled using High Performance DSP.
On the basis of storage battery analog interactive unit builds battery dynamic model, draw the electrical characteristic of battery different phase, and in this, as index and benchmark, by Bidirectional variable-flow measurement and control unit, regulation makes it track institute's call instruction in real time, you can carry out dynamic analog to being modeled accumulator cell charging and discharging different phase.In the present embodiment, storage battery analog interactive unit is tablet personal computer（Or industrial control computer）, coordinate respective application software, complete battery types, initial parameter, the setting and display of nominal parameter, and the output characteristic curve and real-time output characteristics for showing institute's imitated storage battery are calculated according to corresponding battery dynamic model.In addition, according to Bidirectional variable-flow measurement and control unit feedback data, realize battery real-time status and data, historgraphic data recording and curve show, the function such as plant running status display.
Battery dynamic model is regarded as a kind of multifactor controlled DC voltage source and its internal resistance connect in above-mentioned storage battery analog interactive unit, and as shown in Figure 2, influence factor includes battery types, rated capacity, rated voltage, current SOC, battery status etc..Battery model includes lead acid storage battery pool model, Li-ion battery model, and NI-G, Ni-MH battery model；
The lead acid storage battery pool model is：
Discharging model：（i>0）
Charge model：(i<0)
The Li-ion battery model is：
Discharging model：（i>0）
Charge model：(i<0)
The NI-G, Ni-MH battery model are：
Discharging model：（i>0）
Charge model：(i<0)
Wherein, the meaning of parameters in above-mentioned each model is as follows：
E is cell emf, floating voltage (V)；
E0 is constant voltage (V)；
Exp (s) is exponential region dynamic electric voltage (V)
Sel (s) is battery mode, Sel (s)=0 during electric discharge, Sel (s)=1 during charging；
K is polarization resistance (Ω) or polarization constant (Ah) -1；
Q is battery maximum capacity (Ah)；
A is exponential voltage (V)；
B is index capacity (Ah) -1；
i*For low frequency filtering battery dynamic current (A)；
I is battery current (A), and battery current is refers to positive direction during regulation electric discharge, that is, discharge i>0, charge i<0；
∫ i are cumulative capacity (Ah).
Refer to Fig. 3, the Bidirectional variable-flow measurement and control unit is used for the two-way controllable conversion for realizing AC/DC and DC/AC energy, simulated respectively for battery discharging with two stages of charging, including the power circuit of the corresponding battery discharging/charging process of simulation and collection are modeled battery output information（I.e. real-time port voltage）Control circuit.Specifically, the power circuit includes：Lead-in circuit breaker, single-phase isolating transformer, filter inductance, single-phase full-controlled bridge circuit, the filter capacitor being sequentially connected electrically.The filter capacitor includes the positive output end of connection charging device/load one end and the negative output terminal of connection charging device/load other end.The lead-in circuit breaker is also connected with power network.Single-phase isolating transformer uses high efficiency toroidal transformer, and single-phase full-controlled bridge circuit uses high frequency, low-power consumption MOSFET, reduces switching loss, improves efficiency of energy utilization.In the present embodiment, it is single-phase full-controlled bridge circuit in target voltage control power circuit according to the real-time port voltage of battery that is modeled received to control circuit, makes power circuit output characteristics to be modeled battery characteristics.
The control circuit includes：Master cpu unit, AD sample circuits, drive circuit, working power circuit and CAN communication drive circuit.
The master cpu unit includes signal processor DSP and the AD subelements being connected with DSP, PWM subelements, CAN transmitting-receiving subelements.The master cpu unit is mainly used in the measurement of Bidirectional variable-flow measurement and control unit, control, and the communication with storage battery analog interactive unit.
The AD sample circuits, it is all connected with power circuit, AD sampling subelements, the voltage and current for gathering power circuit, and the voltage and current collected is sent to the AD subelements；
The drive circuit, it is all connected with the single-phase full-controlled bridge circuit of power circuit, PWM subelements, the on, off for switching device in the single-phase full control circuit of driving power circuit；
The working power circuit, it is all connected with power circuit, control circuit, for providing working power for the Bidirectional variable-flow measurement and control unit；
The CAN communication drive circuit, it is all connected with industrial computer, CAN transmitting-receiving subelements in storage battery analog interactive unit, CAN communication is used between the storage battery analog interactive unit and Bidirectional variable-flow measurement and control unit for driving, and for the information exchange between storage battery analog interactive unit and Bidirectional variable-flow measurement and control unit.
It should be noted that accumulator simulation power source is in as above-mentioned micro-capacitance sensor simulation system in addition to batteries to store energy unit, it may also be used for the research of load such as electric automobile or charging equipment by power supply of battery with terms of production test work.Only it is the purposes for laying particular emphasis on energy-storage units in micro-capacitance sensor simulation system herein, does not limit to related other application.
Fig. 4-Fig. 9 is referred to, the present embodiment provides a kind of battery feed analogy method, and this method is based on battery feed analogue means, and the battery feed analogue means has been described above, will not be repeated here above.Specifically, so that certain brand rated voltage 48V, rated capacity 200Ah, initial SOC is 80% lead-acid batteries as an example, being simulated to its dynamical output performance.The type battery data is provided through consulting producer, respective battery parameter is obtained as shown in table 1.
Table 1
In step S1, storage battery analog interactive unit sets battery information, the battery model for determining to be modeled according to the battery information set；The real-time port voltage UBAT for being modeled battery is obtained, and sends the real-time port voltage to Bidirectional variable-flow measurement and control unit；Wherein, the battery information includes type, nominal parameter and the original state of battery.In the present embodiment, storage battery analog interactive unit sets institute's imitated storage battery parameter as the relevant parameter in table 1, and selection lead-acid type battery dynamic model is as follows：
Discharging model：（i>0）
Charge model：(i<0)
S2：According to above-mentioned setup parameter and battery dynamic model, discharge characteristic curve can be obtained during imitated storage battery different discharge current as shown in Figure 7.Discharge current size such as 0.5C is set by tablet personal computer, you can characteristic curve as shown in Figure 7 is shown on tablet personal computer.
S3：According to setup parameter in S1 and battery model, the battery real-time current i for simulating measurement and control unit measurement with reference to bottom and being uploaded through CAN, which updates, to be calculated, and obtains the real-time port voltage U of batteryBAT=E-r*i, and by this port voltage through being transmitted to Bidirectional variable-flow measurement and control unit under CAN.
S4：Bidirectional variable-flow measurement and control unit is with UBATConstant pressure closed-loop control is carried out to analogue means DC voltage for target voltage, while carrying out AC active power factor correction（APFC）, using DC voltage outer shroud, the two close cycles Real-Time Control Strategy of alternating current inner ring, as shown in Figure 8, its process and principle are as follows for control block diagram：DC voltage outer shroud simulates the battery port voltage U that interactive unit is obtained with upper strataBATFor reference voltage, the actual DC voltage U with analogue meansdCompare, difference is through pi regulator；Simultaneously to line voltage sampling through digital phase-locked loop（PLL）Electric network voltage phase is obtained as fixed phase, and is constructed with this with reference to sine Sin；DC voltage outer shroud PI is exported obtains the reference current I of current inner loop with being multiplied with reference to sine Sinref, with actual ac-side current IacCompare, its difference is added as modulating wave modulation generation switch mosfet pulse through pi regulator, and with feedforward line voltage.Switching pulse driving switch mosfet action after drive circuit isolation amplification so that the DC bus-bar voltage of analogue means is equal to battery port voltage U nowBAT, while realizing AC active power factor correction, reduce the harmonic pollution to power network and interference.
S5：Bidirectional variable-flow measurement and control unit measures DC bus current using Hall element, and is uploaded to storage battery analog interactive unit, is updated for storage battery analog interactive unit and calculates the real-time SOC of battery and real-time port voltage next time.SOC is calculated specifically, being updated according to following formula, battery condition is modeled for showing：
S6：The real time datas such as the voltage x current to being modeled battery, working condition, warning message are monitored in real time, and tablet personal computer is uploaded to by CAN, the renewal for being modeled battery-operated Stateful Inspection and be modeled battery real time data is shown and historgraphic data recording.
S7：10ms, circulation step S3~S7 are spaced, realizes that the output characteristics for being modeled battery is dynamically adjusted, that is, realizes dynamic analog.
, need to be in battery feed analogue means DC side when charging stage simulates（The positive output end and negative output terminal of electric capacity namely in power circuit）External charge device, as shown in Figure 5.Now, charging device, which is run, causes battery feed analogue means DC voltage lifting, and the port voltage for adjusting battery feed analogue means in time by above-mentioned closed-loop control is UBAT.Single-phase converter plant runs on inverter mode, i.e. the DC energy of charging device offer is converted to AC energy feed-in power network.With the progress of charging process, real-time update SOC and port voltage UBAT, so as to complete the simulation of charging stage.
When discharge regime is simulated, it need to be loaded in battery feed analogue means DC side external connection battery, as shown in Figure 6.Now, cell load battery consumption power supply analogue means DC side energy, declines its voltage, and analogue means port voltage is adjusted in time for U by above-mentioned closed-loop controlBAT.Single-phase converter plant runs on rectification state, i.e. energy and is converted to direct current by AC network, supplies cell load consumed energy.With the progress of discharge process, real-time update SOC and port voltage UBAT, so as to complete the simulation of discharge regime.
The present embodiment carries out charging stage test using finished battery charger to it, and discharge regime test is carried out to it using external electrical load.The dynamic electric voltage of battery, electric current, SOC curves are recorded in test process successively as shown in upper, middle and lower figure in accompanying drawing 9.Stage (1), (3) are simulated for the charging stage, now terminal voltage and SOC the continuing with charging process of battery, are dynamically increased according to battery dynamic model；Stage (2) is simulated for discharge regime, and now accumulator voltage and SOC are reduced with the lasting dynamic of discharge process.
Accompanying drawing 9 shows that the battery dynamic analog device can carry out dynamic analog to charge and discharge process, and dynamic output characteristic coincide substantially with actual battery output characteristics.
Storage battery analog device disclosed in this invention has the additional functions such as powerful data record, display.Specifically, storage battery analog interactive unit can be tablet personal computer and the respective application software in tablet personal computer.By tablet personal computer and respective application software, it can be shown to being modeled the real time data of battery, real-time status.The historical data for being modeled battery can be recorded, and battery condition in certain time period is embodied with the formal intuition of curve or form and continues situation of change.In addition, running status, warning information of bottom Bidirectional variable-flow measurement and control unit etc. can be shown in real time, its working condition is monitored.
Storage battery analog device disclosed in this invention has complete defencive function, specifically refers to that bottom Bidirectional variable-flow measurement and control unit has the defencive functions such as protection and treatment mechanism in detail, including temperature, overvoltage, excessively stream, overload, short circuit.
Compared with prior art, the present invention has the advantages that：
1st, the polytype battery such as plumbic acid, lithium ion, NI-G, ni-mh can be simulated by battery feed analogue means of the present invention, flexibly and easily.
2nd, storage battery analog interactive unit of the present invention is for battery types and parameter setting, and the function such as battery characteristics curve is shown, running status is shown, realtime curve, historgraphic data recording can show the dynamic parameter for being modeled battery in real time.
3rd, battery types, nominal parameter, initial parameter etc., simulation different type, different voltage capacity grades, the battery of different original states and batteries can be set or changed at any time.
4th, the present invention can carry out dynamic analog to the charge and discharge overall process of corresponding battery.Discharge process uses the controlled rectification technology with active power factor correction APFC functions, and load energy demand is provided by power network；Charging process by energy with unity power factor, sine wave by rechargeable energy feed-in power network, effective use of energy sources and harmonic pollution is not caused to power network.
5th, Bidirectional variable-flow measurement and control unit is controlled using High Performance DSP, using high-speed low-power-consumption MOSFET, and switching loss is small, and governing speed is fast.
6th, the present invention uses CAN communication, and transmission rate is fast, and reliability is high.
7th, Bidirectional variable-flow measurement and control unit possesses the complete preservation function such as overvoltage, excessively stream, short circuit, overheat.
It the foregoing is only embodiments of the invention; it is not intended to limit the scope of the invention; equivalent structure or equivalent flow conversion that every utilization description of the invention and accompanying drawing content are made; or other related technical fields are directly or indirectly used in, it is included within the scope of the present invention.
Claims (10)
1. a kind of battery feed analogue means, it is characterised in that including：Storage battery analog interactive unit and Bidirectional variable-flow measurement and control unit, the storage battery analog interactive unit are communicated to connect by CAN and Bidirectional variable-flow measurement and control unit；
The storage battery analog interactive unit is used to set battery information, the battery model that is modeled is determined according to the battery information that sets and is to be simulated the real-time port voltage of battery to send to Bidirectional variable-flow measurement and control unit, wherein, the battery information includes type, nominal parameter and the original state of battery；
The Bidirectional variable-flow measurement and control unit is used for the charged/discharged process according to the corresponding battery of real-time port voltage analog for being modeled battery received, and is to be simulated the output parameter of battery and is sent to storage battery analog interactive unit.
2. battery feed analogue means according to claim 1, it is characterized in that, the storage battery analog interactive unit includes industrial computer, and the industrial computer includes the setting unit of setting battery information, the memory cell for storing battery model, calculating is modeled battery output characteristics and characteristic computing unit and display is modeled battery output characteristics and characteristic display unit.
3. battery feed analogue means according to claim 1 or 2, it is characterized in that, the Bidirectional variable-flow measurement and control unit includes the control circuit for receiving the real-time port voltage and the power circuit for simulating corresponding battery discharging/charging process, it is described to control circuit to be that target voltage controls power circuit according to the real-time port voltage for being modeled battery received, make the output characteristics of power circuit to be modeled battery characteristics.
4. battery feed analogue means according to claim 3, it is characterised in that the power circuit includes：Lead-in circuit breaker, single-phase isolating transformer, filter inductance, single-phase full-controlled bridge circuit, the filter capacitor being sequentially connected electrically, the filter capacitor includes the positive output end of connection charging device/load one end and the negative output terminal of connection charging device/load other end, and the lead-in circuit breaker is connected with power network.
5. battery feed analogue means according to claim 4, it is characterised in that the single-phase isolating transformer is toroidal transformer.
6. battery feed analogue means according to claim 3, it is characterised in that the control circuit includes：Master cpu unit, AD sample circuits, drive circuit, working power circuit and CAN communication drive circuit；The master cpu unit includes signal processor DSP and the AD subelements being connected with DSP, PWM subelements, CAN transmitting-receiving subelements；
The AD sample circuits, it is all connected with power circuit, AD sampling subelements, the voltage and current for gathering power circuit, and the voltage and current collected is sent to the A/D module；
The drive circuit, it is all connected with power circuit, PWM subelements, the break-make for driving power circuit；
The working power circuit, it is all connected with power circuit, control circuit, for providing working power for the Bidirectional variable-flow measurement and control unit；
The CAN communication drive circuit, its with storage battery analog interactive unit, CAN transmitting-receiving subelements be all connected with, CAN communication is used between the storage battery analog interactive unit and Bidirectional variable-flow measurement and control unit for driving.
7. battery feed analogue means according to claim 1, it is characterised in that the battery model includes lead acid storage battery pool model, Li-ion battery model, and NI-G, Ni-MH battery model；
The lead acid storage battery pool model is：
Discharging model：（i>0）
Charge model：(i<0)
The Li-ion battery model is：
Discharging model：（i>0）
Charge model：(i<0)
The NI-G, Ni-MH battery model are：
Discharging model：（i>0）
Charge model：(i<0)
8. a kind of battery feed analogy method based on battery feed analogue means described in claim 1-7, it is characterised in that including：
Storage battery analog interactive unit sets battery information, the battery model for determining to be modeled according to the battery information set；Obtain the real-time current for being modeled battery；Calculated according to determined battery model and acquired real-time current and obtain being modeled the real-time port voltage U of batteryBAT, and send the real-time port voltage to Bidirectional variable-flow measurement and control unit；Wherein, the battery information includes type, nominal parameter and the original state of battery；
The real-time port voltage U of the Bidirectional variable-flow measurement and control unit to receiveBATClosed-loop control is carried out to power circuit output DC voltage for target voltage, is equal to power circuit output DC bus-bar voltage and is modeled the real-time port voltage U of batteryBAT, and send the real-time parameter of analogue means to storage battery analog interactive unit；Wherein, the real-time parameter includes the DC bus-bar voltage, DC bus current, working condition of analogue means；The closed-loop control is DC voltage outer shroud, the real-time double-closed-loop control of alternating current inner ring；
Storage battery analog interactive unit receives the real-time parameter and is modeled battery real-time SOC and real-time port voltage U next time according to being determined the DC bus currentBAT1。
9. battery feed analogy method according to claim 8, it is characterised in that the storage battery analog interactive unit determines to be modeled after battery model also to include：
Calculate the output characteristic curve for being modeled battery according to the battery model that is modeled and export output characteristics in real time.
10. battery feed analogy method according to claim 8, it is characterised in that the storage battery analog interactive unit shows the real-time parameter.
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| 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 |
| CN111190061A (en) * | 2019-11-25 | 2020-05-22 | 平高集团有限公司 | Energy storage system's test platform |
| CN111337834A (en) * | 2020-02-27 | 2020-06-26 | 中国人民解放军陆军工程大学 | Battery electrical characteristic simulation system and simulation method thereof |
| 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 |
| 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 |
| CN112395740A (en) * | 2020-10-19 | 2021-02-23 | 深圳市航天新源科技有限公司 | System and method for simulating storage battery based on energy feedback and step-less programming |
| CN112421628A (en) * | 2020-11-23 | 2021-02-26 | 国网山东省电力公司电力科学研究院 | Power distribution network simulation analysis method and system |
| 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 |
| CN113960481A (en) * | 2021-09-17 | 2022-01-21 | 珠海吉瓦科技有限公司 | Energy storage operation detection device, system, method and storage medium |
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