CN103414337A - Topological structure of power converter of electric car switch reluctance motor - Google Patents

Topological structure of power converter of electric car switch reluctance motor Download PDF

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Publication number
CN103414337A
CN103414337A CN2013103718461A CN201310371846A CN103414337A CN 103414337 A CN103414337 A CN 103414337A CN 2013103718461 A CN2013103718461 A CN 2013103718461A CN 201310371846 A CN201310371846 A CN 201310371846A CN 103414337 A CN103414337 A CN 103414337A
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China
Prior art keywords
converter
switch transistor
reluctance motor
switch reluctance
power
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CN2013103718461A
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Chinese (zh)
Inventor
陈昊
程鹤
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China University of Mining and Technology CUMT
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China University of Mining and Technology CUMT
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Priority to CN2013103718461A priority Critical patent/CN103414337A/en
Publication of CN103414337A publication Critical patent/CN103414337A/en
Priority to PCT/CN2014/084762 priority patent/WO2015024508A1/en
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    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M1/00—Details of apparatus for conversion
    • H02M1/42—Circuits or arrangements for compensating for or adjusting power factor in converters or inverters
    • H02M1/4208—Arrangements for improving power factor of AC input
    • H02M1/4233—Arrangements for improving power factor of AC input using a bridge converter comprising active switches
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L15/00—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles
    • B60L15/007—Physical arrangements or structures of drive train converters specially adapted for the propulsion motors of electric vehicles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L7/00—Electrodynamic brake systems for vehicles in general
    • B60L7/10—Dynamic electric regenerative braking
    • B60L7/14—Dynamic electric regenerative braking for vehicles propelled by ac motors
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M3/00—Conversion of dc power input into dc power output
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P25/00—Arrangements or methods for the control of AC motors characterised by the kind of AC motor or by structural details
    • H02P25/02—Arrangements or methods for the control of AC motors characterised by the kind of AC motor or by structural details characterised by the kind of motor
    • H02P25/08—Reluctance motors
    • H02P25/092—Converters specially adapted for controlling reluctance motors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L2210/00—Converter types
    • B60L2210/10—DC to DC converters
    • B60L2210/12—Buck converters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L2210/00—Converter types
    • B60L2210/10—DC to DC converters
    • B60L2210/14—Boost converters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L2210/00—Converter types
    • B60L2210/40—DC to AC converters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L2220/00—Electrical machine types; Structures or applications thereof
    • B60L2220/10—Electrical machine types
    • B60L2220/18—Reluctance machines
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
    • H02M7/42—Conversion of dc power input into ac power output without possibility of reversal
    • H02M7/44—Conversion of dc power input into ac power output without possibility of reversal by static converters
    • H02M7/48—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
    • H02M7/53—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
    • H02M7/537—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters
    • H02M7/5387—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters in a bridge configuration
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P2201/00—Indexing scheme relating to controlling arrangements characterised by the converter used
    • H02P2201/07—DC-DC step-up or step-down converter inserted between the power supply and the inverter supplying the motor, e.g. to control voltage source fluctuations, to vary the motor speed
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/64—Electric machine technologies in electromobility
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/72—Electric energy management in electromobility

Abstract

The invention discloses a topological structure of a power converter of an electric car switch reluctance motor. A two-way Buck-Boost converter is added to the front portion of a dissymmetric half-bridge power converter of the switch reluctance motor. When the switch reluctance motor operates in the power-driven state, boosting of a storage battery is achieved through a forward Boost-DC/DC converter body, so that electricity is provided for the dissymmetric half-bridge power converter of the switch reluctance motor; when the switch reluctance motor operates in the braked state, the storage battery is charged by the dissymmetric half-bridge power converter of the switch reluctance motor through a backward Buck converter, so that kinetic energy of an electric car is converted into electric energy of the storage battery; when the electric car operates in the charging state, the switch reluctance motor does not rotate, a vehicle-mounted charger is formed by an alternating current power source through a winding of the switch reluctance motor and the dissymmetric half-bridge converter, the storage battery is directly charged by the vehicle-mounted charger, an externally-connected element is not needed, an alternating current is converted into a direct current, the storage battery is charged by the direct current through a Buck converter body, so that power factor correction is achieved, the reliability and the flexibility of a system are effectively improved, the practicality is high, and the universality is strong.

Description

A kind of electric motor car power converter of switch reluctance motor topological structure
Technical field
The present invention relates to a kind of driving system for switched reluctance, particularly a kind of electric motor car power converter of switch reluctance motor topological structure.
Background technology
Switched reluctance machines is simple in structure, firm; Have high reliability and robustness; Detent torque is large; Wide speed adjustable range; In wide rotating speed and torque service area, keep higher efficiency; Can regenerative braking, recuperated energy, therefore be applicable to drive system of electric automobile.But the problem that existing driving system for switched reluctance technology exists is to realize simultaneously " electronic, braking, charging " three kinds of operating states.For battery-driven electric motor car driving system for switched reluctance, adopt the DC/DC Front End Converter can improve the power inverter supply power voltage, reduce supply current, reduce the volume of power inverter, raise the efficiency; Reduce the impact of battery-voltage fluctuation on driveability; By pump, rise busbar voltage, can reduce the impact of back electromotive force, power output capacity while increasing the motor high speed.Adopt DC/DC Boost converter can improve the power converter of switch reluctance motor supply power voltage, but it is the monotonic transformation device, when motor degaussing and braking, pulse current directly charges a battery, and when the feedback electric current is excessive, can damage storage battery.Utilize the on-board charging system of motor self winding and power inverter can effectively reduce the cost of electric motor car, the flexibility of increase charging.
Summary of the invention
The objective of the invention is to overcome the problem existed in prior art, provide a kind of can realize electronic, the braking, the charging three kinds of operating states electric motor car power converter of switch reluctance motor topological structure.
The object of the present invention is achieved like this: this power of motor converter topology structure increases two-way Buck-Boost converter before switched reluctance machines asymmetrical half-bridge power inverter; Described two-way Buck-Boost converter comprises capacitor C 1, capacitor C 2, switch transistor T 1, switch transistor T 2, sustained diode T1, sustained diode T2And inductance L dSwitch transistor T 1Collector electrode and switch transistor T 2Emitter connect, switch transistor T 2Current collection positive output end very, switch transistor T 1Emission negative output terminal very, on just defeated end and negative output terminal, be connected with capacitor C 2, in switch transistor T 1And switch transistor T 2Collector and emitter on be parallel with respectively sustained diode T2, sustained diode T1Capacitor C 1And inductance L dForm the filtering of LC type, inductance L dAn end be connected to switch transistor T 1Collector electrode and switch transistor T 2Emitter between, inductance L dThe other end connect capacitor C 1An end and as positive input terminal, capacitor C 1Another termination switch transistor T 1Emitter and as negative input end.
Beneficial effect, owing to having adopted above-mentioned electric motor car power converter of switch reluctance motor topological structure, can realize under electronic, braking, three kinds of operating states of charging; The main circuit structure form that the electric motor car power converter of switch reluctance motor is different, and do not need outward element; (1) when switched reluctance machines is operated in motoring condition, storage battery is realized boosting through forward Boost-DC/DC converter, and switched reluctance machines asymmetrical half-bridge power inverter is powered; Characteristic in conjunction with switched reluctance machines when low speed underloading and the high-speed overload, regulating power converter supply power voltage in real time, low-loss and low noise while realizing motor low speed underloading, the power output while increasing high rotating speed simultaneously; (2) when switched reluctance machines is operated in on-position, switched reluctance machines asymmetrical half-bridge power inverter to charge in batteries, is converted to electric motor car kinetic energy the electric energy of storage battery by reverse Buck converter, realizes electric motor car kinetic energy feedback storage battery; (3) when electric motor car is operated in charged state, switched reluctance machines does not rotate, AC power directly charges a battery by winding, the asymmetrical half-bridge power inverter formation onboard charger of switched reluctance machines, alternating current is made into direct current, direct current charges a battery by the Buck converter, and realizes power factor correction.Utilize motor winding and power inverter, complete vehicle-mounted charge, realize power factor correction, reduced the pollution to electrical network.Cost performance is high, practical, effective, is with a wide range of applications.
The accompanying drawing explanation
Fig. 1 is electric motor car power converter of switch reluctance motor topology of the present invention, and being has increased two-way Buck-Boost converter before switched reluctance machines asymmetrical half-bridge power inverter.
Fig. 2 is switched reluctance machines of the present invention while being operated in motoring condition, electric motor car power converter of switch reluctance motor electrical block diagram;
Fig. 3 is switched reluctance machines of the present invention while being operated in on-position, electric motor car power converter of switch reluctance motor electrical block diagram;
Fig. 4 is switched reluctance machines of the present invention while being operated in charged state, electric motor car power converter of switch reluctance motor electrical block diagram;
Fig. 5 is that switched reluctance machines of the present invention is operated in the charged state pattern The time, electric motor car power converter of switch reluctance motor electrical block diagram;
Fig. 6 is that switched reluctance machines of the present invention is operated in the charged state pattern
Figure 2013103718461100002DEST_PATH_IMAGE004
The time, electric motor car power converter of switch reluctance motor electrical block diagram;
Fig. 7 is that switched reluctance machines of the present invention is operated in the charged state pattern
Figure 2013103718461100002DEST_PATH_IMAGE006
The time, electric motor car power converter of switch reluctance motor electrical block diagram;
Fig. 8 is that switched reluctance machines of the present invention is operated in the charged state pattern
Figure 2013103718461100002DEST_PATH_IMAGE008
The time, electric motor car power converter of switch reluctance motor electrical block diagram.
Embodiment
The invention will be further described below in conjunction with the embodiment in accompanying drawing:
Embodiment 1: before switched reluctance machines asymmetrical half-bridge power inverter, increase two-way Buck-Boost converter; Described two-way Buck-Boost converter comprises capacitor C 1, capacitor C 2, switch transistor T 1, switch transistor T 2, sustained diode T1, sustained diode T2And inductance L dSwitch transistor T 1Collector electrode and switch transistor T 2Emitter connect, switch transistor T 2Current collection positive output end very, switch transistor T 1Emission negative output terminal very, on just defeated end and negative output terminal, be connected with capacitor C 2, in switch transistor T 1And switch transistor T 2Collector and emitter on be parallel with respectively sustained diode T2, sustained diode T1Capacitor C 1And inductance L dForm the filtering of LC type, inductance L dAn end be connected to switch transistor T 1Collector electrode and switch transistor T 2Emitter between, inductance L dThe other end connect capacitor C 1An end and as positive input terminal, capacitor C 1Another termination switch transistor T 1Emitter and as negative input end.
(1) when switched reluctance machines is operated in motoring condition, storage battery is realized boosting through forward Boost-DC/DC converter, and switched reluctance machines asymmetrical half-bridge power inverter is powered;
(2) when switched reluctance machines is operated in on-position, switched reluctance machines asymmetrical half-bridge power inverter to charge in batteries, is converted to electric motor car kinetic energy the electric energy of storage battery by reverse Buck converter;
(3) when electric motor car is operated in charged state, switched reluctance machines does not rotate, and AC power directly charges a battery by winding, the asymmetrical half-bridge power inverter formation onboard charger of switched reluctance machines; Do not need outward element, alternating current is made into direct current, and direct current charges a battery by the Buck converter, and realizes power factor correction.
In Fig. 1, before threephase switch reluctance motor asymmetrical half-bridge power inverter, increased two-way Buck-Boost converter and formed the electric motor car power converter of switch reluctance motor.Before storage battery was added in two-way Buck-Boost converter, AC power was by any two-phase of asymmetrical half-bridge power inverter, and as A phase and B phase, and two-way Buck-Boost converter is to charge in batteries.
In Fig. 2, when switched reluctance machines is operated in motoring condition, the two-way Buck-Boost converter switches of front end pipe T 2All the time disconnect, front end DC/DC converter is operated in the Boost pattern, by by-pass cock pipe T 1, pump rises battery tension U C1To U C2, storage battery is through diode D T1, right title half-bridge power converter and switched reluctance machines power supply, the energy flow direction is as shown by the arrows in Figure 2.
In Fig. 3, when switched reluctance machines is operated in on-position, the two-way Buck-Boost converter switches of front end pipe T 1All the time disconnect, front end DC/DC converter is operated in the Buck pattern, by by-pass cock pipe T 2, reduce voltage U C2To U C1, asymmetrical half-bridge power inverter and switched reluctance machines are converted to electric energy by electric motor car kinetic energy, storage battery charged, and diode D T2Continuous current circuit is provided, and the energy flow direction as shown by the arrows in Figure 3.
When electric motor car was operated in charged state, switched reluctance machines did not rotate, in Fig. 1, and switch transistor T 1, Q 1, Q 3, Q 5, Q 6All the time disconnect; In Fig. 4, the sustained diode in the asymmetrical half-bridge power inverter 1, D 2, D 3, D 4, switching tube Q 2And Q 4, and the winding L of switched reluctance machines a, L bFormed power factor correction (PFC) circuit; Capacitor C 1, switch transistor T 2, sustained diode T2, inductance L dForm the Buck converter circuit; AC power, by winding, the asymmetrical half-bridge power inverter of switched reluctance machines, is made into direct current by alternating current, and realizes power factor correction; Direct current charges a battery by the Buck converter.
Power factor correction (PFC) circuit working under four kinds of mode of operations,
Figure 54836DEST_PATH_IMAGE002
,
Figure 345878DEST_PATH_IMAGE004
Work pattern is at the positive half period of AC power,
Figure 938665DEST_PATH_IMAGE006
,
Figure 333874DEST_PATH_IMAGE008
Work pattern is at the negative half-cycle of AC power.
In Fig. 5, pattern
Figure 148246DEST_PATH_IMAGE002
: at the power supply positive half period, switching tube Q 4Closure, as shown by arrows in FIG., the work loop is for just to pass through the switched reluctance machines winding L from power supply b, switching tube Q 4, sustained diode 2, to power-, this process is to the switched reluctance machines winding L bCharging.
In Fig. 6, pattern : at the power supply positive half period, switching tube Q 4Open, as shown by arrows in FIG., the work loop is for just to pass through the switched reluctance machines winding L from power supply b, sustained diode 3, capacitor C 2, sustained diode 2, to power-, this process is power supply and switched reluctance machines winding L bGive capacitor C 2Charging.
In Fig. 7, pattern
Figure 300059DEST_PATH_IMAGE006
: in the power-half period, switching tube Q 2Closure, as shown by arrows in FIG., the work loop is for just to pass through the switched reluctance machines winding L from power supply a, switching tube Q 2, sustained diode 4, to power-, this process is to the switched reluctance machines winding L aCharging.
In Fig. 8, pattern
Figure 498959DEST_PATH_IMAGE008
: in the power-half period, switching tube Q 2Open, as shown by arrows in FIG., the work loop is for just to pass through the switched reluctance machines winding L from power supply a, sustained diode 1, capacitor C 2, sustained diode 4, to power-, this process is power supply and switched reluctance machines winding L aGive capacitor C 2Charging.
As shown in Figure 3, the two-way Buck-Boost converter switches pipe T of end 1All the time disconnect, front end DC/DC converter is operated in the Buck pattern, by by-pass cock pipe T 2, reduce voltage U C2To U C1, capacitor C 2The electric energy of middle storage, charge to storage battery, diode D T2Continuous current circuit is provided, and the energy flow direction as shown by the arrows in Figure 3.
In like manner, before phase switch reluctance motor asymmetrical half-bridge power inverter, increase arbitrarily two-way Buck-Boost converter and formed the electric motor car power converter of switch reluctance motor, if before four phase switch reluctance motor asymmetrical half-bridge power inverters, increased two-way Buck-Boost converter, formed the electric motor car power converter of switch reluctance motor, before five phase switch reluctance motor asymmetrical half-bridge power inverters, increase two-way Buck-Boost converter and formed the electric motor car power converter of switch reluctance motor, before two-phase switched reluctance machines asymmetrical half-bridge power inverter, increase two-way Buck-Boost converter and formed the electric motor car power converter of switch reluctance motor, before six phase switch reluctance motor asymmetrical half-bridge power inverters, increase two-way Buck-Boost converter and formed the electric motor car power converter of switch reluctance motor.

Claims (1)

1. electric motor car power converter of switch reluctance motor topological structure, this power of motor converter topology structure comprises: switched reluctance machines asymmetrical half-bridge power inverter is characterized in that: before switched reluctance machines asymmetrical half-bridge power inverter, increase two-way Buck-Boost converter;
Described two-way Buck-Boost converter comprises capacitor C 1, capacitor C 2, switch transistor T 1, switch transistor T 2, sustained diode T1, sustained diode T2And inductance L dSwitch transistor T 1Collector electrode and switch transistor T 2Emitter connect, switch transistor T 2Current collection positive output end very, switch transistor T 1Emission negative output terminal very, on just defeated end and negative output terminal, be connected with capacitor C 2, in switch transistor T 1And switch transistor T 2Collector and emitter on be parallel with respectively sustained diode T2, sustained diode T1Capacitor C 1And inductance L dForm the filtering of LC type, inductance L dAn end be connected to switch transistor T 1Collector electrode and switch transistor T 2Emitter between, inductance L dThe other end connect capacitor C 1An end and as positive input terminal, capacitor C 1Another termination switch transistor T 1Emitter and as negative input end.
CN2013103718461A 2013-08-23 2013-08-23 Topological structure of power converter of electric car switch reluctance motor Pending CN103414337A (en)

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PCT/CN2014/084762 WO2015024508A1 (en) 2013-08-23 2014-08-20 Power converter topological structure of switched reluctance motor of electric car

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CN104300859A (en) * 2014-10-30 2015-01-21 中国矿业大学 Switch reluctance generator power converter topological structure and control method thereof
WO2015024508A1 (en) * 2013-08-23 2015-02-26 中国矿业大学 Power converter topological structure of switched reluctance motor of electric car
CN104506098A (en) * 2014-12-30 2015-04-08 中国计量学院 Low-power four-phase switched reluctance generator power converter
CN104638991A (en) * 2015-01-28 2015-05-20 江苏大学 Double-bus power converter for inhibiting torque pulsation of switched reluctance motor and control method thereof
CN105162371A (en) * 2015-10-09 2015-12-16 武汉市深蓝动力科技有限公司 Motor drive system and method for inhibiting torque pulsation of switch reluctance motor
CN105322838A (en) * 2014-07-01 2016-02-10 南京工业大学 Three-level motor power converter achieving quick demagnetization
CN105337328A (en) * 2014-08-08 2016-02-17 国家电网公司 Charging circuit and system for rechargeable battery
CN105743375A (en) * 2016-04-29 2016-07-06 天津工业大学 Multi-level power topology structure of switch reluctance motor
CN105915150A (en) * 2016-06-08 2016-08-31 山东理工大学 Electric vehicle switch reluctance motor driver possessing charging function
CN106571755A (en) * 2015-10-10 2017-04-19 罗伯特·博世有限公司 Direct instantaneous torque control equipment for switch reluctance motor, and switch reluctance motor system comprising direct instantaneous torque control equipment
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