CN207339708U - Four phase switch reluctances power of motor transformer configuration used for electric vehicle - Google Patents
Four phase switch reluctances power of motor transformer configuration used for electric vehicle Download PDFInfo
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- CN207339708U CN207339708U CN201720233707.6U CN201720233707U CN207339708U CN 207339708 U CN207339708 U CN 207339708U CN 201720233707 U CN201720233707 U CN 201720233707U CN 207339708 U CN207339708 U CN 207339708U
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Abstract
A kind of four phase switch reluctances power of motor transformer configuration used for electric vehicle is the utility model is related to, it is four phase asymmetrical half-bridge formula power inverters, including power switch pipe VT1 ~ VT8 and fly-wheel diode VD1 ~ VD8；It has fixed two kinds of different control modes of chopping frequency and alternating chopper frequency, under fixed chopping frequency control mode：Power switch pipe VT1 ~ the VT8 and fly-wheel diode VD1 ~ VD8 are laid out using asymmetric installation, i.e., the power switch pipe of same bridge arm is in mal-distribution, under fixed chopping frequency control mode：Power switch pipe VT1 ~ the VT8 and fly-wheel diode VD1 ~ VD8 are laid out using asymmetric installation, the power switch pipe of i.e. same bridge arm is in mal-distribution, the utility model can be used for driven motor automobile, and it is unipolar, one direction current excitation can be provided, there is higher heat endurance, heat dissipation performance, reliability and fault-tolerant ability.
Description
Technical field
It the utility model is related to a kind of four phase switch reluctance power of motor converters, and in particular to one kind is applicable to electronic
Four phase switch reluctance power of motor transformer configurations of automobile.
Background technology
Currently, drive motor system is just gradually being intended to variable speed, high reliability, digitized direction are developed.Grind
Study carefully and develop achievable variable speed operation, high reliability, digitlization speed governing directly drive the novel motor of electric automobile
System, it has also become the new development trend and important directions of Electrified Transmission field frontier nature innovation research work.
Today of environmental problem getting worse, development green traffic become an important problem, and electric automobile has nothing
The features such as pollution, low noise, become the more satisfactory vehicles.Switched reluctance machines are simple in structure sturdy and durable applicable because of its
Work under mal-condition, reliability is high, speed adjusting performance is superior, control is flexible, possesses the features such as regenerative electric power ability, be suitable for
Drive system of electric automobile.Switched reluctance machines, its electric machine structure simple and compact, rotary inertia are small, suitable in high temperature, high speed
In the environment of work；Each winding of motor is separate, and fault freedom is good, and the structure of power inverter is simple；Motor controllable parameter
More, speed adjusting performance is fine, and speed-regulating range width, detent torque is big, transmission efficiency, small power consumption.
Power inverter for driving switch reluctance motor is the device changed to electric energy, is to solve energy shortage
With the key of problem of environmental pollution, every field, such as field of new energy generation have been widely applied to, including wind-power electricity generation, too
Sun can generate electricity with tidal power etc.；Electric Drive field, including railway transportation, EHV electric and hybrid vehicle etc.；Electric energy passes
Defeated and conversion field, including distributed generation resource, intelligent grid and utility power quality control etc..With extensively should for power inverter
With requirement of the people to its reliability is higher and higher, and power inverter is mainly towards high reliability, high power density and height at present
Integrated direction develops.
Power electronic devices is the core component of power inverter.Temperature is the main original for causing electronic device to fail
Cause.When the operating temperature of device is higher, the life cycle of device will be shorter, therefore it is to extend device life to reduce device temperature
The effective ways in cycle.But power electronic devices is large power semiconductor device, the power density of its chip is much larger than common
Electronic device, power electronic devices is just developing towards high power, high switching frequency and highly integrated direction again, while chases after again
Cube minimizes, and power density and heat flow density which results in power electronic devices constantly increase, and cause power electronics device
The heat dissipation of part is more and more difficult, and temperature when power electronic devices works is also higher and higher, and serious threat arrives power inverter
Thermal reliability.
The content of the invention
The purpose of this utility model is：There is provided a kind of long service life, thermal reliability height, available for driven motor automobile
Four phase switch reluctance power of motor transformer configurations, with overcome the deficiencies in the prior art.
In order to achieve the above object, the technical solution of the utility model is：A kind of four phase switch reluctances electricity used for electric vehicle
Acc power transformer configuration, including four phases, 16/12 pole switching reluctance motor and power inverter, four phases, the 16/12 pole switch
Reluctance motor includes tetra- phase winding of A, B, C, D, its innovative point is：The power inverter is four phase asymmetrical half-bridge formula work(
Rate converter, and four phase asymmetrical half-bridge formula power inverters include power switch pipe VT1 ~ VT8 and fly-wheel diode VD1 ~
VD8；
The four phases asymmetrical half-bridge formula power inverter has the different controls of fixed two kinds of chopping frequency and alternating chopper frequency
System,
Under fixed chopping frequency control mode：Power switch pipe VT1 ~ the VT8 and fly-wheel diode VD1 ~ VD8 are used
Asymmetric installation is laid out, i.e., the power switch pipe of same bridge arm is in mal-distribution,
Described power switch pipe VT1, VT2 are the main switching device of same bridge arm, and power supply excitation, work(are provided for A phase windings
Rate switching tube VT3, VT4 are the main switching device of same bridge arm, and power supply excitation, power switch pipe VT5, VT6 are provided for B phase windings
For the main switching device of same bridge arm, power supply excitation is provided for C phase windings, power switch pipe VT7, VT8 are the master of same bridge arm
Switching device, provides power supply excitation, the main switching device of the same upper and lower row of bridge arm is in mal-distribution for D phase windings；
Under alternating chopper frequency control system：Power switch pipe VT1 ~ the VT8 and fly-wheel diode VD1 ~ VD8 are used
Being symmetrically installed layout, i.e., the power switch pipe of same bridge arm is symmetric,
Described power switch pipe VT1, VT2 are the main switching device of same bridge arm, and power supply excitation, work(are provided for A phase windings
Rate switching tube VT3, VT4 are the main switching device of same bridge arm, and power supply excitation, power switch pipe VT5, VT6 are provided for B phase windings
For the main switching device of same bridge arm, power supply excitation is provided for C phase windings, power switch pipe VT7, VT8 are the master of same bridge arm
Switching device, provides power supply excitation, the same upper and lower row's main switching device of bridge arm is symmetric for D phase windings.
In the above-mentioned technical solutions, the model IGBT of the power switch pipe VT1 ~ VT8.
Good effect is possessed by the utility model：Since power inverter described in the utility model is asymmetric for four phases
Half-bridge switching power converter, and four phase asymmetrical half-bridge formula power inverters include two pole of power switch pipe VT1 ~ VT8 and afterflow
Pipe VD1 ~ VD8；The four phases asymmetrical half-bridge formula power inverter has fixed two kinds of differences of chopping frequency and alternating chopper frequency
Control mode, under fixed chopping frequency control mode：Power switch pipe VT1 ~ the VT8 and fly-wheel diode VD1 ~ VD8 are adopted
It is laid out with asymmetric installation, i.e., the power switch pipe of same bridge arm is in mal-distribution, under fixed chopping frequency control mode：
Power switch pipe VT1 ~ the VT8 and fly-wheel diode VD1 ~ VD8 are laid out using asymmetric installation, i.e., the power of same bridge arm is opened
It is in mal-distribution to close pipe, and the power inverter of the utility model can be used for driven motor automobile, and it is unipolar, can be carried
For one direction current excitation, there is higher heat endurance, heat dissipation performance, reliability and fault-tolerant ability.The utility model can
Meet electric automobile difference operating condition, realize motor dynamics torque closed-loop control, reduce torque pulsation, improve torque precision,
Motor is taken over seamlessly in different operating conditions, improves motor operation efficiency.Make it follows that the utility model has
With long lifespan, thermal reliability is high the advantages that.
Brief description of the drawings
Fig. 1 is a kind of circuit theory schematic diagram of embodiment of the utility model；
Fig. 2 is the structure diagram of the utility model asymmetric installation layout；
Fig. 3 is the structure diagram that the utility model is symmetrically installed layout.
Embodiment
Below in conjunction with attached drawing and the embodiment provided, the utility model is further described, but is not limited to
This.
As shown in Figure 1, a kind of four phase switch reluctances power of motor transformer configuration used for electric vehicle, including four phases 16/12
Pole switching reluctance motor and power inverter, four phases, 16/12 pole switching reluctance motor include tetra- phase winding of A, B, C, D, its
It is characterized in that：The power inverter is four phase asymmetrical half-bridge formula power inverters, and four phase asymmetrical half-bridge formula power become
Parallel operation includes power switch pipe VT1 ~ VT8 and fly-wheel diode VD1 ~ VD8；
The four phases asymmetrical half-bridge formula power inverter has the different controls of fixed two kinds of chopping frequency and alternating chopper frequency
System,
As shown in Fig. 2, under fixed chopping frequency control mode：Power switch pipe VT1 ~ the VT8 and fly-wheel diode
VD1 ~ VD8 is laid out using asymmetric installation, i.e., the power switch pipe of same bridge arm is in mal-distribution,
Described power switch pipe VT1, VT2 are the main switching device of same bridge arm, and power supply excitation, work(are provided for A phase windings
Rate switching tube VT3, VT4 are the main switching device of same bridge arm, and power supply excitation, power switch pipe VT5, VT6 are provided for B phase windings
For the main switching device of same bridge arm, power supply excitation is provided for C phase windings, power switch pipe VT7, VT8 are the master of same bridge arm
Switching device, provides power supply excitation, the main switching device of the same upper and lower row of bridge arm is in mal-distribution for D phase windings；
As shown in figure 3, under alternating chopper frequency control system：Power switch pipe VT1 ~ the VT8 and fly-wheel diode
Using layout is symmetrically installed, i.e., the power switch pipe of same bridge arm is symmetric VD1 ~ VD8,
Described power switch pipe VT1, VT2 are the main switching device of same bridge arm, and power supply excitation, work(are provided for A phase windings
Rate switching tube VT3, VT4 are the main switching device of same bridge arm, and power supply excitation, power switch pipe VT5, VT6 are provided for B phase windings
For the main switching device of same bridge arm, power supply excitation is provided for C phase windings, power switch pipe VT7, VT8 are the master of same bridge arm
Switching device, provides power supply excitation, the same upper and lower row's main switching device of bridge arm is symmetric for D phase windings.
The model IGBT of power switch pipe VT1 ~ VT8 described in the utility model.
The power inverter of the utility model is pacified using asymmetric installation layout or symmetrically according to the difference of control mode
Dress layout, the utility model can be used for driven motor automobile, and it is unipolar, it is possible to provide one direction current excitation, has
Higher heat endurance, heat dissipation performance, reliability and fault-tolerant ability.
The utility model disclosure satisfy that electric automobile difference operating condition, realize motor dynamics torque closed-loop control, reduce
Torque pulsation, improves torque precision so that motor can take over seamlessly in different operating conditions, improve motor operation efficiency.By
This understands that the utility model has the advantages that service life is long, thermal reliability is high.
Claims (2)
1. a kind of four phase switch reluctances power of motor transformer configuration used for electric vehicle, including four phases, 16/12 pole switching reluctance electricity
Machine and power inverter, four phases, 16/12 pole switching reluctance motor include tetra- phase winding of A, B, C, D, it is characterised in that：It is described
Power inverter is four phase asymmetrical half-bridge formula power inverters, and four phase asymmetrical half-bridge formula power inverters are opened including power
Close pipe VT1 ~ VT8 and fly-wheel diode VD1 ~ VD8；
The four phases asymmetrical half-bridge formula power inverter has the different controls of fixed two kinds of chopping frequency and alternating chopper frequency,
Under fixed chopping frequency control mode：Power switch pipe VT1 ~ the VT8 and fly-wheel diode VD1 ~ VD8 uses be not right
Claiming mounting arrangement, i.e., the power switch pipe of same bridge arm is in mal-distribution,
Described power switch pipe VT1, VT2 are the main switching device of same bridge arm, provide power supply excitation for A phase windings, power is opened
The main switching device that pipe VT3, VT4 are same bridge arm is closed, provides power supply excitation for B phase windings, power switch pipe VT5, VT6 are same
The main switching device of one bridge arm, provides power supply excitation, power switch pipe VT7, VT8 are the main switch of same bridge arm for C phase windings
Device, provides power supply excitation, the main switching device of the same upper and lower row of bridge arm is in mal-distribution for D phase windings；
Under alternating chopper frequency control system：Power switch pipe VT1 ~ the VT8 and fly-wheel diode VD1 ~ VD8 are using symmetrical
Mounting arrangement, i.e., the power switch pipe of same bridge arm are symmetric,
Described power switch pipe VT1, VT2 are the main switching device of same bridge arm, provide power supply excitation for A phase windings, power is opened
The main switching device that pipe VT3, VT4 are same bridge arm is closed, provides power supply excitation for B phase windings, power switch pipe VT5, VT6 are same
The main switching device of one bridge arm, provides power supply excitation, power switch pipe VT7, VT8 are the main switch of same bridge arm for C phase windings
Device, provides power supply excitation, the same upper and lower row's main switching device of bridge arm is symmetric for D phase windings.
2. four phase switch reluctances power of motor transformer configuration used for electric vehicle according to claim 1, it is characterised in that：
The model IGBT of the power switch pipe VT1 ~ VT8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720233707.6U CN207339708U (en) | 2017-03-11 | 2017-03-11 | Four phase switch reluctances power of motor transformer configuration used for electric vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720233707.6U CN207339708U (en) | 2017-03-11 | 2017-03-11 | Four phase switch reluctances power of motor transformer configuration used for electric vehicle |
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| Publication Number | Publication Date |
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| CN207339708U true CN207339708U (en) | 2018-05-08 |
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| CN201720233707.6U Expired - Fee Related CN207339708U (en) | 2017-03-11 | 2017-03-11 | Four phase switch reluctances power of motor transformer configuration used for electric vehicle |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111769663A (en) * | 2020-07-09 | 2020-10-13 | 河北工业大学 | Dual-mode drive control system of switched reluctance motor and implementation method |
| CN112994535A (en) * | 2021-02-22 | 2021-06-18 | 中国矿业大学 | Novel power converter for double-stator switch reluctance motor |
-
2017
- 2017-03-11 CN CN201720233707.6U patent/CN207339708U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111769663A (en) * | 2020-07-09 | 2020-10-13 | 河北工业大学 | Dual-mode drive control system of switched reluctance motor and implementation method |
| CN112994535A (en) * | 2021-02-22 | 2021-06-18 | 中国矿业大学 | Novel power converter for double-stator switch reluctance motor |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180508 |