CN103293004A - Electric automobile power system test platform and energy distribution test method thereof - Google Patents
Electric automobile power system test platform and energy distribution test method thereof Download PDFInfo
- Publication number
- CN103293004A CN103293004A CN2012100462088A CN201210046208A CN103293004A CN 103293004 A CN103293004 A CN 103293004A CN 2012100462088 A CN2012100462088 A CN 2012100462088A CN 201210046208 A CN201210046208 A CN 201210046208A CN 103293004 A CN103293004 A CN 103293004A
- Authority
- CN
- China
- Prior art keywords
- power
- dynamometer
- controller
- test platform
- energy
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Landscapes
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The invention discloses an electric automobile power system test platform which comprises a console, a finished automobile controller, a motor to be tested, a controller of the motor to be tested, a dynamometer, a dynamometer controller, a power battery and an auxiliary energy unit. An energy closed-loop system is formed by an energy distribution module, the controller of the motor to be tested, the motor to be tested, the dynamometer controller and the dynamometer. Electric energy generated by the dynamometer does not need to be fed back to an electric grid. An inverter power source is not required between the whole system test platform and the alternating current electric grid. A direct current power source is only used for conducting energy compensation on system loss of the test platform. Therefore, a system energy use ratio can be improved, the complexity of the power system test platform is simplified, the difficulty and cost of electric automobile power system research and development can be reduced, and the influence on the power grid by a test system can be decreased.
Description
Technical field
The present invention relates to the electric automobile field, the energy distribution method of testing of particularly a kind of power system of electric automobile test platform, and this test platform.
Background technology
Vehicle has consumed a large amount of petroleum resources when offering convenience to people, external environment condition to human survival has produced substantial pollution, and electric automobile such as FC-EV, oil electric mixed dynamic automobile, solar electrically propelled vehicle, pure electric automobile etc. have become domestic each major company's research and development emphasis at present.Power system of electric automobile mainly is made up of energy source (as electrokinetic cell, fuel cell, storage capacitor etc.), power electronic device, drive motor etc., along with electric automobile steps into the industrialization stage gradually, how electric automobile parts and power system performance being tested, examined to become research focus.
For each parts of power system and system are tested, the control strategy of verification system improves the reliability of power system, and a simple and practical power system test platform is crucial.The power system of electric automobile test platform generally adopts dynamometer machine energy feedback grid pattern, energy two-way flow between dynamometer machine and three phase network at present.The principle of work of this system: during driving, rectifier becomes direct current with the three-phase alternating current of electrical network, absorb energy from electrical network, be converted into mechanical energy by tested electric machine controller driving by measured motor, after generating is converted into direct current again through dynamometer machine and controller thereof, this direct current feeds back to electrical network through the form with three-phase alternating current after the inversion, and the difference of system's input and output electric energy is the system effectiveness loss.
This system test platform complex structure, capacity usage ratio is low, cost is higher, particularly because the energy demand feedback grid of significant proportion is arranged, the quality (as low harmonic wave) of inverter is had very high requirement.
Summary of the invention
At above-mentioned the deficiencies in the prior art, the purpose of this invention is to provide a kind of simple in structure, need not the power system of electric automobile test platform to the electrical network feedback energy.
For solving the problems of the technologies described above, the present invention adopts following technical scheme:
A kind of power system of electric automobile test platform, comprise by measured motor, dynamometer machine, control desk, entire car controller, tested electric machine controller, Dynamometer Control device and electrokinetic cell, described by measured motor and described dynamometer machine mechanical connection, described tested electric machine controller is connected by measured motor with described, described Dynamometer Control device is connected with described dynamometer machine, described control desk and described tested electric machine controller, entire car controller communicates to connect, described entire car controller and described tested electric machine controller communicate to connect, described electrokinetic cell is connected with tested electric machine controller, described electrokinetic cell is rotated by measured motor by described tested electric machine controller driving is described, it also comprises an auxiliary energy unit, described auxiliary energy unit comprises a direct current power module, in parallel and the power distribution module of power storage module, described DC power supplier is in parallel with described power storage module, described DC power supplier is connected with described tested electric machine controller by described power distribution module, described entire car controller is connected with described power distribution module communication, and described Dynamometer Control device is connected with the input end of described power distribution module.
Preferably, described power storage module is energy storage super capacitor or power accumulator.
Preferably, described DC power supplier is ACDC rectifier, accumulator, generator system or fuel cell system.
Preferably, described power distribution module is a dcdc converter.
In this power system of electric automobile test platform, power distribution module, tested electric machine controller, formed an energy closed-loop system by measured motor, Dynamometer Control device, dynamometer machine, the electric energy that dynamometer machine produces need not to feed back to electrical network, and direct supply also only is used for the system loss of test platform is carried out energy supplement, can improve the system capacity utilization factor like this, simplify power system test platform complicacy, also can reduce simultaneously power system of electric automobile research and development difficulty of test and cost, reduce the influence to electrical network.
The invention also discloses a kind of energy distribution method of testing of above-mentioned power system of electric automobile test platform, this method comprises the steps:
1) determined the load torque of dynamometer machine according to duty parameter by control desk;
2) determine that according to duty parameter demand torque sends to entire car controller by control desk;
3) entire car controller according to demand moment of torsion determine to calculate by the measured motor demand power;
4) regulate the output current of power distribution module by entire car controller, determine the energy distribution amount of auxiliary energy unit and electrokinetic cell under different test conditions.
The output current that this method of testing is regulated the power distribution module by vehicle control unit controls reaches the purpose of controlling the electrokinetic cell output current, can test out the optimum capacity distribution ratio of electrokinetic cell and auxiliary energy unit under different operating modes like this, and then can be optimized integrated vehicle control tactics at different operating modes, realize energy utilization maximization, improve the car load continual mileage.
Above-mentioned explanation only is the general introduction of technical solution of the present invention, for can clearer understanding technological means of the present invention, and can be implemented according to the content of instructions, below with preferred embodiment of the present invention and conjunction with figs. this patent is elaborated.
Description of drawings
Fig. 1 is the structured flowchart of the embodiment of the invention.
Fig. 2 is the test platform architecture block diagram of electric automobile fuels and energy system.
Embodiment
Below in conjunction with accompanying drawing the preferred embodiments of the present invention are described in detail.
As shown in Figure 1, this power system of electric automobile test platform comprise control desk 1, by measured motor 3, dynamometer machine 5, entire car controller 2, tested electric machine controller 4, Dynamometer Control device 6, electrokinetic cell 7 and auxiliary energy unit 8.Be connected with dynamometer machine 5 flexible mechanicals by measured motor 3, the junction is provided with the sensor that detects moment of torsion, and sensor is connected with control desk 1, and sensor can feed back to control desk 1 with the torque value that detects.Tested electric machine controller 4 be connected by measured motor 3, tested electric machine controller 4 is used for control and is exported by the moment of torsion of measured motor 3.Dynamometer Control device 6 is connected with dynamometer machine 5, and Dynamometer Control device 6 is used for the load torque of control dynamometer machine 5.Electrokinetic cell 7 is connected with tested electric machine controller 4, and electrokinetic cell 7 drives and rotated by measured motor 3 for being provided energy by measured motor 3.
In this power system of electric automobile test platform, power distribution module 82, tested electric machine controller 4, by measured motor 3, Dynamometer Control device 6, dynamometer machine 5 has been formed an energy closed-loop system, adopt the direct current pattern that is incorporated into the power networks, the electric energy that dynamometer machine 5 produces can not feed back in the meeting electrical network again, but feed back to power distribution module 82, and pass to measured motor controller 4 by power distribution module 82, this feedback electric energy is driven to be rotated by measured motor 3, the total system test platform just need adopt inverter again, and direct supply also only is used for the system loss of test platform is carried out energy supplement, can improve the system capacity utilization factor like this, simplify power system test platform complicacy, also can reduce power system of electric automobile research and development difficulty of test and cost simultaneously.
Can test the power system of whole electric automobile in this power system of electric automobile test platform, also can test respectively each part of power system, in the test process, the part that only needs to test replaces the corresponding part of this test platform, make test platform carry out work then, can test this part.
The invention also discloses a kind of energy distribution method of testing of above-mentioned power system of electric automobile test platform, this method of testing comprises the steps: at first, determine the load torque of dynamometer machine 5 by control desk 1 according to duty parameter, and make dynamometer machine 5 apply load torque to by on the measured motor 3 by Dynamometer Control device 6.While is determined by the demand torque of measured motor 3 according to duty parameter by control desk 1 and sends to entire car controller 2.Then by entire car controller 2 according to demand moment of torsion determine to calculate power by the output of measured motor 3 demands, regulated the output current of power distribution modules 82 then by entire car controller 2, owing to be that to provide energy jointly by auxiliary energy unit 8 and electrokinetic cell 7 (be I by measured motor 3
The power distribution module+ I
Electrokinetic cell=I
By measured motor), therefore under the certain prerequisite of output power, just can reach the purpose of control electrokinetic cell 7 output currents by the output current of control power distribution module 82, can determine the energy distribution amount of under different test conditions auxiliary energy unit 8 and electrokinetic cell 7 like this, thereby test out the optimum capacity distribution ratio of electrokinetic cell and auxiliary energy unit under different operating modes, and then can be optimized integrated vehicle control tactics at different operating modes, realize energy utilization maximization, improve the car load continual mileage.
More than a kind of power system of electric automobile test platform and energy distribution method of testing thereof that the embodiment of the invention is provided be described in detail; for one of ordinary skill in the art; thought according to the embodiment of the invention; part in specific embodiments and applications all can change; in sum; this description should not be construed as limitation of the present invention, and all any changes of making according to design philosophy of the present invention are all within protection scope of the present invention.
Claims (5)
1. power system of electric automobile test platform, comprise by measured motor, dynamometer machine, control desk, entire car controller, tested electric machine controller, Dynamometer Control device and electrokinetic cell, described by measured motor and described dynamometer machine mechanical connection, described tested electric machine controller is connected by measured motor with described, described Dynamometer Control device is connected with described dynamometer machine, described control desk and described tested electric machine controller, entire car controller communicates to connect, described entire car controller and described tested electric machine controller communicate to connect, described electrokinetic cell is connected with tested electric machine controller, described electrokinetic cell is rotated by measured motor by described tested electric machine controller driving is described, it is characterized in that: it also comprises an auxiliary energy unit, described auxiliary energy unit comprises a direct current power module, one power storage module and a power distribution module, described DC power supplier is in parallel with described power storage module, described DC power supplier is connected with described tested electric machine controller by described power distribution module, described entire car controller is connected with described power distribution module communication, and described Dynamometer Control device is connected with the input end of described power distribution module.
2. power system of electric automobile test platform according to claim 1, it is characterized in that: described power storage module is energy storage super capacitor or power accumulator.
3. power system of electric automobile test platform according to claim 1, it is characterized in that: described DC power supplier is ACDC rectifier, accumulator, generator system or fuel cell system.
4. power system of electric automobile test platform according to claim 1, it is characterized in that: described power distribution module is a dcdc converter.
5. the energy distribution method of testing of a power system of electric automobile test platform is characterized in that it comprises the steps:
1) determined the load torque of dynamometer machine according to duty parameter by control desk;
2) determine that according to duty parameter demand torque sends to entire car controller by control desk;
3) entire car controller according to demand moment of torsion determine to calculate by the measured motor demand power; Regulate the output current of power distribution module by entire car controller, determine the energy distribution amount of auxiliary energy unit and electrokinetic cell under different test conditions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210046208.8A CN103293004B (en) | 2012-02-27 | 2012-02-27 | Power system of electric automobile test platform and its energy allocation for test method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210046208.8A CN103293004B (en) | 2012-02-27 | 2012-02-27 | Power system of electric automobile test platform and its energy allocation for test method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103293004A true CN103293004A (en) | 2013-09-11 |
| CN103293004B CN103293004B (en) | 2017-12-01 |
Family
ID=49094247
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210046208.8A Active CN103293004B (en) | 2012-02-27 | 2012-02-27 | Power system of electric automobile test platform and its energy allocation for test method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103293004B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106646020A (en) * | 2016-10-11 | 2017-05-10 | 清华大学 | Battery management-based multifunctional dynamic test system |
| CN109245259A (en) * | 2018-08-28 | 2019-01-18 | 开沃新能源汽车集团有限公司 | A kind of fuel cell joint debugging experimental stand using photovoltaic system |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5218860A (en) * | 1991-09-25 | 1993-06-15 | Automation Technology, Inc. | Automatic motor testing method and apparatus |
| CN2738261Y (en) * | 2004-10-20 | 2005-11-02 | 清华大学 | Experimental research apparatus for fuel battery mixed power system |
| CN101000280A (en) * | 2006-12-28 | 2007-07-18 | 奇瑞汽车有限公司 | Bench test device for mixed power vehicle |
| CN101241168A (en) * | 2007-08-31 | 2008-08-13 | 奇瑞汽车股份有限公司 | Hybrid power automobile drive electric motor test bench and test method |
| CN201867477U (en) * | 2010-09-29 | 2011-06-15 | 中国第一汽车集团公司 | Novel testing table stand for hybrid power motor |
-
2012
- 2012-02-27 CN CN201210046208.8A patent/CN103293004B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5218860A (en) * | 1991-09-25 | 1993-06-15 | Automation Technology, Inc. | Automatic motor testing method and apparatus |
| CN2738261Y (en) * | 2004-10-20 | 2005-11-02 | 清华大学 | Experimental research apparatus for fuel battery mixed power system |
| CN101000280A (en) * | 2006-12-28 | 2007-07-18 | 奇瑞汽车有限公司 | Bench test device for mixed power vehicle |
| CN101241168A (en) * | 2007-08-31 | 2008-08-13 | 奇瑞汽车股份有限公司 | Hybrid power automobile drive electric motor test bench and test method |
| CN201867477U (en) * | 2010-09-29 | 2011-06-15 | 中国第一汽车集团公司 | Novel testing table stand for hybrid power motor |
Non-Patent Citations (2)
| Title |
|---|
| 张冰战等: "超级电容与燃料电池发动机混合动力***测试研究", 《汽车技术》 * |
| 陈全世: "《先进电动汽车技术》", 31 July 2007, 化学工业出版社 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106646020A (en) * | 2016-10-11 | 2017-05-10 | 清华大学 | Battery management-based multifunctional dynamic test system |
| CN109245259A (en) * | 2018-08-28 | 2019-01-18 | 开沃新能源汽车集团有限公司 | A kind of fuel cell joint debugging experimental stand using photovoltaic system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103293004B (en) | 2017-12-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Li et al. | Power management strategy based on adaptive droop control for a fuel cell-battery-supercapacitor hybrid tramway | |
| Li et al. | A state machine strategy based on droop control for an energy management system of PEMFC-battery-supercapacitor hybrid tramway | |
| García et al. | Viability study of a FC-battery-SC tramway controlled by equivalent consumption minimization strategy | |
| Camara et al. | Design and new control of DC/DC converters to share energy between supercapacitors and batteries in hybrid vehicles | |
| Wang et al. | Maximum fuel economy-oriented power management design for a fuel cell vehicle using battery and ultracapacitor | |
| US9013168B2 (en) | System for transferring energy from an energy source and method of making same | |
| Niu et al. | Sizing of energy system of a hybrid lithium battery RTG crane | |
| CN102790400B (en) | Reactive negative sequence current mixed synergic control device and method for electrified railway | |
| CN202135074U (en) | Fully-intelligent cell simulator | |
| Pany et al. | Active load current sharing in fuel cell and battery fed DC motor drive for electric vehicle application | |
| Gauchia et al. | Fuel cell, battery and supercapacitor hybrid system for electric vehicle: Modeling and control via energetic macroscopic representation | |
| CN104859478B (en) | A kind of Furl cell engine and its dynamical system | |
| CN204726251U (en) | Furl cell engine and power system thereof | |
| CN109672240A (en) | Plug-in hybrid-electric car charging system, method and application | |
| CN101578193A (en) | Electric power feeding system | |
| Burnett et al. | A power system combining batteries and supercapacitors in a solar/hydrogen hybrid electric vehicle | |
| Kumar et al. | Electric vehicle fast charging integrated with hybrid renewable sources for V2G and G2V operation | |
| CN104467004A (en) | Motor test power supply for new energy automobile | |
| CN103293004A (en) | Electric automobile power system test platform and energy distribution test method thereof | |
| CN105915160B (en) | A kind of vehicle powering system based on photovoltaic module group | |
| Lee et al. | Optimized control strategy for hybrid energy system | |
| CN210835114U (en) | Energy-saving direct current fills electric pile detection device | |
| CN202121496U (en) | Automobile motor mutual-driving testing power source | |
| Ellabban et al. | Control of a high-performance Z-source inverter for fuel cell/supercapacitor hybrid electric vehicles | |
| CN202330006U (en) | System for testing torque of gear box |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |