CN104638991B - A kind of double-bus power inverter and its control method for suppressing switched reluctance machines torque pulsation - Google Patents

A kind of double-bus power inverter and its control method for suppressing switched reluctance machines torque pulsation Download PDF

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Publication number
CN104638991B
CN104638991B CN201510044508.6A CN201510044508A CN104638991B CN 104638991 B CN104638991 B CN 104638991B CN 201510044508 A CN201510044508 A CN 201510044508A CN 104638991 B CN104638991 B CN 104638991B
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winding
switching tube
diode
torque
phase
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CN104638991A (en
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张超
张舒辉
韦庭
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Jiangsu University
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    • 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
    • H02P6/00—Arrangements for controlling synchronous motors or other dynamo-electric motors using electronic commutation dependent on the rotor position; Electronic commutators therefor
    • H02P6/10—Arrangements for controlling torque ripple, e.g. providing reduced torque ripple
    • 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
    • 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
    • H02M7/493—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 the static converters being arranged for operation in parallel

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Control Of Electric Motors In General (AREA)
  • Control Of Ac Motors In General (AREA)

Abstract

The invention discloses a kind of double-bus power inverter of switched reluctance machines Torque Ripple Reduction and its control method, including accessory power supply and prime power converter, accessory power supply includes power change-over switch Sa, diode Ds1, power supply lateral capacitance C1And high-voltage capacitance C2；Prime power converter one mutually includes a switching device SxAnd a diode Dx, winding current rises during switch device conductive, motor output torque increase；When the device is switched off, winding current discharges through diode, reduces motor output torque.The advantage of the invention is that using only the controllability power device of half, reducing power inverter cost and volume；Accessory power supply makes full use of motor demagnetization winding energy, improves electric efficiency.Because the voltage of accessory power supply is 34 times of main power voltage, the motor commutation time significantly shortens, therefore this control method need not shift to an earlier date turn-on angle, shut-off angle, simplify control strategy.

Description

A kind of double-bus power inverter for suppressing switched reluctance machines torque pulsation and its control Method processed
Technical field
The present invention relates to a kind of double-bus power inverter of switched reluctance machines Torque Ripple Reduction and its control method, Belong to power of motor converter topology and control technology field.
Background technology
There is winding on switched reluctance machines (Switched Reluctance Motor, SRM) only stator, rotor is by silicon steel Piece superposition is constituted, not only firm in structure, easy to process, low cost, and control is flexible, efficiency high, at present in textile industry, boat Empty field and household electrical appliance obtain certain application.But SRM double-salient-pole structure and time-variant nonlinear electromagnetic property cause Its torque pulsation, noise are larger, limit its use scope.Although motor body structure optimization can reduce torque pulsation, But add the difficulty of motor manufacturing.The advanced control algorithms such as direct instantaneous torque can be on the basis of electric machine structure not be changed Reduce torque pulsation, but need accurate measurement phase winding magnetic linkage, electromagnetic torque, and the efficiency of motor substantially to reduce.Switch magnetic Resistance motor torque ripple is mainly appeared in commutation process, because demagnetized in commutation process phase, excitation phase winding electric current become Change speed and there is larger difference, cause synthesis torque to there is pulsation, this phenomenon is particularly evident under high speed, high-power operating mode. For this problem, this patent proposes a kind of new double-bus power inverter, and it is built high using the winding energy that demagnetizes Voltage accessory power supply, effectively increases winding demagnetization and excitation speed during commutation, reduces torque pulsation, significantly improve SRM The performance of drive system.
The content of the invention
The purpose of the present invention is to pass through proposed double-bus power inverter to accelerate motor commutation process, is moved back so as to slacken Magnetic reduces torque pulsation with respect to the influence of motor output torque.The another object of present aspect is to provide the control of the power inverter Method processed, commutation process is utilized motor main power source and accessory power supply voltage difference by it stage by stage according to demagnetization phase winding curent change Control of the different realization to synthesis torque, it is final to realize the purpose for reducing torque pulsation.
The technical scheme of device of the present invention is：
A kind of double-bus power inverter of switched reluctance machines Torque Ripple Reduction, the input power of the power inverter U1Positive pole respectively with the first electric capacity C1Positive pole, the 4th diode Ds1Anode and the second electric capacity C2Negative pole be connected, second electricity Hold C2Positive pole respectively with the 4th switching tube SaColelctor electrode, the first diode D1Negative electrode, the second diode D2Negative electrode, Three diode D3Negative electrode be connected, the first diode D1Anode respectively with first switch pipe S1Colelctor electrode, the first winding LA's One end is connected, the second diode D2Anode respectively with second switch pipe S2Colelctor electrode, the second winding LBOne end be connected, the Three diode D3Anode respectively with the 3rd switching tube S3Colelctor electrode, tertiary winding LCOne end be connected, the 4th diode Ds1's Negative electrode respectively with the 4th switching tube SaEmitter stage, the first winding LAThe other end, the second winding LBThe other end, the tertiary winding LCThe other end be respectively connected with, the first switch pipe S1Emitter stage, second switch pipe S2Emitter stage, the 3rd switching tube S3 Emitter stage, the first electric capacity C1Negative electrode, input power U1Negative pole be connected and be grounded.
Further, the first electric capacity C1For low-voltage bus bar electric capacity, the second electric capacity C2For high voltage bus electric capacity, collectively form Machine winding is powered double-bus structure.
The technical scheme of method of the present invention is：
A kind of double-bus power inverter control method of switched reluctance machines Torque Ripple Reduction, when with C, A commutation, Detailed process is：
Step 1, motor completes commutation, and only C phases work, and A, B two-phase winding current are zero, and motor output torque turns with C phases Square is equal, when torque is less than setting value TLWhen, the 3rd switching tube S3Conducting, the 4th switching tube SaDisconnect, tertiary winding LCBy main electricity Source powers, phase current iCRise, torque increase；When torque is more than THWhen, the 3rd switching tube S3Disconnection, the 4th switching tube SaConducting, Winding current is through the 3rd diode D3, the 4th switching tube SaAfterflow；
Step 2, when commutation starts, the 3rd switching tube S3Shut-off, when torque T is less than setting value TLWhen, the 4th switching tube Sa、 First switch pipe S1Simultaneously turn on, the second electric capacity C2To LAPhase winding is powered, and accelerates the phase excitation speed；C phase windings are opened through the 4th Close pipe Sa, the 3rd diode D3Afterflow；When torque T is more than TH, the 4th switching tube Sa, first switch pipe S1Disconnect, tertiary winding LC Pass through D3、C2、Ds1Afterflow, now winding voltage and the second electric capacity C2Both end voltage is equal；Because the voltage is far above main power source electricity Pressure, accelerates C phase winding electric currents decrease speed, weakens this and mutually bears influence of the torque to motor torque；In the electric capacity of process second C2Absorb winding to release energy, voltage rises, the stage is until C phase currents reach arranges value iH；
Step 3, the stage the 4th switching tube SaShut-off, first switch pipe S1Conducting, C phase winding electric currents are through D3、C2、Ds1It is continuous Stream, main power source is through first switch pipe S1To winding power, the process is until C phase winding electric currents drop to setting value iL；
Step 4, the stage course of work is similar with step 2, until C phase winding electric currents are down to zero, commutation process terminates.
Beneficial effects of the present invention are：Compared with asymmetrical half-bridge power inverter, the advantage of the invention is that being used only The controllability power device of half, reduces power inverter cost and volume；Accessory power supply makes full use of motor demagnetization winding Energy, improves electric efficiency.Because the voltage of accessory power supply is 3-4 times of main power voltage, the motor commutation time significantly contracts It is short, therefore this control method need not shift to an earlier date turn-on angle, shut-off angle, simplify control strategy.
Brief description of the drawings
Fig. 1 is the switched reluctance machines double-bus power converter topologies figure of the present invention；
Fig. 2 be the present invention switched reluctance machines in non-commutation state, double-bus power converter circuit structure chart (with Exemplified by A phases)；
Fig. 3 be the present invention switched reluctance machines in commutation process, under accessory power supply condition of work double-bus power become Converter circuit structure chart (by taking the opposite A phases commutations of C as an example)；
Fig. 4 be the present invention switched reluctance machines in commutation process, double-bus power conversion under main power source condition of work Device circuit structure diagram (by taking the opposite A phases commutations of C as an example)；
Fig. 5 is the double-bus power inverter demagnetization phase winding current segmenting controlling switch timing diagram of the present invention.
Embodiment
The invention will be further described for embodiment in below in conjunction with the accompanying drawings.
The double-bus power inverter of the present invention is as shown in figure 1, it is made up of accessory power supply and prime power converter.It is auxiliary Power supply is helped to include power change-over switch Sa, diode Ds1, power supply lateral capacitance C1And high-voltage capacitance C2(the second electric capacity).Prime power Converter one mutually includes a switching device SxAnd a diode Dx(x represents different phases), winding current during switch device conductive Rise, motor output torque increase；When the device is switched off, winding current discharges through diode, reduces motor output torque.Three Phase structure is identical, collectively forms prime power converter.
Symbol in Fig. 1~Fig. 5 is represented respectively：U1It is the main power source of motor work for input power；S1、S2、S3、SaPoint Wei not first switch pipe, second switch pipe, the 3rd switching tube, the 4th switching tube；D1、D2、D3、Ds1Respectively the first diode, Two diodes, the 3rd diode, the 4th diode；C1、C2Respectively the first electric capacity, the second electric capacity；LA、LB、LCRespectively motor First winding, the second winding, the tertiary winding；iA、iB、iCRespectively three-phase windings operating current；iTFor the stable phase of output torque Winding current values；iL、iHRespectively the first set amount and the second set amount of phase winding electric current；T is that three-phase synthesizes torque, TA、 TB、TCThe respectively single-phase winding output torque of A, B, C；THFor the upper limit of the stagnant ring of torque, TLFor the lower limit of the stagnant ring of torque.
The input power U of the circuit1With the first electric capacity C1Positive pole, the 4th diode Ds1Anode and the second electric capacity C2's Negative pole is connected, the second electric capacity C2Positive pole and the 4th switching tube SaColelctor electrode, the first diode D1Negative electrode, the second diode D2Negative electrode, the 3rd diode D3Negative electrode be connected, the first diode D1Anode and first switch pipe S1Colelctor electrode, first Winding LAOne end be connected, the second diode D2Anode and second switch pipe S2Colelctor electrode, the second winding LBOne end phase Even, the 3rd diode D3Anode and the 3rd switching tube S3Colelctor electrode, tertiary winding LCOne end be connected, the 4th diode Ds1 Negative electrode and the 4th switching tube SaEmitter stage, the first winding LAThe other end, the second winding LBThe other end, tertiary winding LC The other end be respectively connected with, first, second and third switching tube S1、S2、S3Emitter stage respectively with the first electric capacity C1Negative pole, input electricity Source U1Negative pole be connected.
Circuit structure is referring to Fig. 1, the first electric capacity C1For low-voltage bus bar electric capacity, the second electric capacity C2For high voltage bus electric capacity, jointly Machine winding is constituted to power double-bus structure.Power supply used in winding power synthesizes torque according to motor and demagnetization phase current values pass through 4th switching tube SaSelected.Machine winding upper end connects with power supply, lower end respectively with SxInput be connected, diode Dx Anode respectively with winding lower end, SxInput is connected, diode DxNegative electrode and high-voltage capacitance C2Positive pole is connected, three-phase structure It is identical.The circuit course of work is made a concrete analysis of by taking C, A commutation as an example：
(1) motor completes commutation, and only C phases work, and A, B two-phase winding current are zero, motor output torque and C phase torque phases Deng.When torque is less than setting value TLWhen, S3Conducting, SaDisconnect, winding LCPowered by main power source, phase current iCRise, torque increase； When torque is more than THWhen, S3Disconnection, SaConducting, winding current is through D3、SaAfterflow.
(2) when commutation starts, S3Shut-off.When torque T is less than setting value TLWhen, Sa、S1Simultaneously turn on, electric capacity C2To LAAround Group power supply, accelerates the phase excitation speed；C phase windings are through Sa、D3Afterflow.When torque T is more than TH, Sa、S1Disconnect, winding LCPass through D3、C2、Ds1Afterflow, now winding voltage and electric capacity C2Both end voltage is equal.Because the voltage is far above main power voltage, make C phases Winding current decrease speed is accelerated, and weakens this and mutually bears influence of the torque to motor torque.In process electric capacity C2Winding is absorbed to release Exoergic amount, voltage rises.The stage is until C phase currents reach arranges value iH。
(3) stage SaShut-off, S1Conducting.C phase winding electric currents are through D3、C2、Ds1Afterflow, main power source is through S1To winding power. The process is until C phase winding electric currents drop to setting value iL。
(4) the stage course of work is similar with (2), until C phase winding electric currents are down to zero, commutation process terminates.
It should be understood that above-mentioned example of applying is only illustrative of the invention and is not intended to limit the scope of the invention, the present invention is being read Afterwards, modification of the those skilled in the art to the various equivalent form of values of the present invention falls within the application appended claims and limited Scope.

Claims (1)

1. a kind of double-bus power inverter control method of switched reluctance machines Torque Ripple Reduction, the power inverter it is defeated Enter power supply U1Positive pole respectively with the first electric capacity C1Positive pole, the 4th diode Ds1Anode and the second electric capacity C2Negative pole be connected, Second electric capacity C2Positive pole respectively with the 4th switching tube SaColelctor electrode, the first diode D1Negative electrode, the second diode D2The moon Pole, the 3rd diode D3Negative electrode be connected, the first diode D1Anode respectively with first switch pipe S1Colelctor electrode, first around Group LAOne end be connected, the second diode D2Anode respectively with second switch pipe S2Colelctor electrode, the second winding LBOne end phase Even, the 3rd diode D3Anode respectively with the 3rd switching tube S3Colelctor electrode, tertiary winding LCOne end be connected, the four or two pole Pipe Ds1Negative electrode respectively with the 4th switching tube SaEmitter stage, the first winding LAThe other end, the second winding LBThe other end, Three winding LCThe other end be respectively connected with, the first switch pipe S1Emitter stage, second switch pipe S2Emitter stage, the 3rd open Close pipe S3Emitter stage, the first electric capacity C1Negative electrode, input power U1Negative pole be connected and be grounded；
Characterized in that, when with C, A commutation, detailed process is：
Step 1, motor completes commutation, and only C phases work, and A, B two-phase winding current are zero, motor output torque and C phase torque phases Deng when torque is less than setting value TLWhen, the 3rd switching tube S3Conducting, the 4th switching tube SaDisconnect, tertiary winding LCSupplied by main power source Electricity, phase current iCRise, torque increase；THFor the upper limit of the stagnant ring of torque, when torque is more than THWhen, the 3rd switching tube S3Disconnect, the Four switching tube SaConducting, winding current is through the 3rd diode D3, the 4th switching tube SaAfterflow；
Step 2, when commutation starts, the 3rd switching tube S3Shut-off, when torque T is less than setting value TLWhen, the 4th switching tube Sa, first Switching tube S1Simultaneously turn on, the second electric capacity C2To LAPhase winding is powered, and accelerates the phase excitation speed；C phase windings are through the 4th switching tube Sa, the 3rd diode D3Afterflow；When torque T is more than TH, the 4th switching tube Sa, first switch pipe S1Disconnect, tertiary winding LCPass through D3、C2、Ds1Afterflow, now tertiary winding LCWinding voltage and the second electric capacity C2Both end voltage is equal；Due to the second electric capacity C2Two Terminal voltage is far above main power voltage, accelerates C phase winding electric currents decrease speed, weakens C phases and bears shadow of the torque to motor torque Ring；In second electric capacity of process C2Absorb winding to release energy, voltage rises, the stage is until C phase currents reach arranges value iH；
Step 3, the stage the 4th switching tube SaShut-off, first switch pipe S1Conducting, C phase winding electric currents are through D3、C2、Ds1Afterflow, it is main Power supply is through first switch pipe S1To winding power, the process is until C phase winding electric currents drop to setting value iL；
Step 4, the stage course of work is similar with step 2, until C phase winding electric currents are down to zero, commutation process terminates.
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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202513797U (en) * 2012-04-01 2012-10-31 浙江大学 Switched reluctance motor powered by new energy
CN103414337A (en) * 2013-08-23 2013-11-27 中国矿业大学 Topological structure of power converter of electric car switch reluctance motor
CN103475292A (en) * 2013-08-13 2013-12-25 燕山大学 Switch magnetic resistance generator system capable of realizing rapid excitation/demagnetization
CN203708154U (en) * 2013-12-13 2014-07-09 中国科学院深圳先进技术研究院 Power conversion device integrating switch reluctance motor driving and battery charging
JP2014236556A (en) * 2013-05-31 2014-12-15 株式会社デンソー Pam drive unit of switched reluctance motor

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202513797U (en) * 2012-04-01 2012-10-31 浙江大学 Switched reluctance motor powered by new energy
JP2014236556A (en) * 2013-05-31 2014-12-15 株式会社デンソー Pam drive unit of switched reluctance motor
CN103475292A (en) * 2013-08-13 2013-12-25 燕山大学 Switch magnetic resistance generator system capable of realizing rapid excitation/demagnetization
CN103414337A (en) * 2013-08-23 2013-11-27 中国矿业大学 Topological structure of power converter of electric car switch reluctance motor
CN203708154U (en) * 2013-12-13 2014-07-09 中国科学院深圳先进技术研究院 Power conversion device integrating switch reluctance motor driving and battery charging

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
A Novel 4-Level Converter for High Speed SR Drive;Jianing Liang et al.;《Power Electronics Specialists Conference》;20060622;第1-6页 *
开关磁阻调速电动机功率变换器主电路研究;陈昊 等;《煤炭学报》;20001231;第150-153页 *

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