CN106972802A - The method and apparatus of controlled motor drive system DC bus-bar voltage - Google Patents
The method and apparatus of controlled motor drive system DC bus-bar voltage Download PDFInfo
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- CN106972802A CN106972802A CN201610010858.5A CN201610010858A CN106972802A CN 106972802 A CN106972802 A CN 106972802A CN 201610010858 A CN201610010858 A CN 201610010858A CN 106972802 A CN106972802 A CN 106972802A
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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
- H02P27/00—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage
- H02P27/04—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage
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Abstract
The present invention provides a kind of method and apparatus of utilization electro-magnetic motor Exciting Windings for Transverse Differential Protection controlled motor drive system DC bus-bar voltage, including：First dc bus, second dc bus, DC power inverter and electro-magnetic motor, wherein the first dc bus is connected by DC power inverter with the second dc bus, DC power inverter regard electro-magnetic motor Exciting Windings for Transverse Differential Protection as its inductance, if electro-magnetic motor is alternating current generator, second dc bus is connected by DC-AC power inverter with armature winding, if electro-magnetic motor is direct current generator, the second dc bus is directly connected by brush with armature winding.While electro-magnetic motor Exciting Windings for Transverse Differential Protection is that motor sets up magnetic field, also as the inductance of DC power inverter.Extra DC power inverter inductance is not needed, it is possible to regulating system DC bus-bar voltage.Which increase the power density of system, reliability is enhanced, and reduce cost.
Description
Technical field
The present invention relates to motor driven systems, and in particular to can improve drive system power density, strengthening system reliability, the method and apparatus for reducing the motor driven systems DC bus-bar voltage of system cost to one kind.
Background technology
In electric automobile, electric tool, the field such as household electrical appliance and commercial Application, in order to improve the efficiency of motor driven systems and widen speed adjustable range, it is necessary to variable motor driven systems DC bus-bar voltage.
Common implementation method is to control DC bus-bar voltage using DC-DC power converter.But above-mentioned DC-DC power converter needs extra inductance component.Above-mentioned extra inductance component volume and weight is big, reduces the power density of system；Extra inductance component adds the quantity of system component, reduces system reliability；Simultaneously extra inductance component also improves the cost of system.
The content of the invention
In view of this, the embodiment of the present invention provides a kind of method and apparatus of utilization electro-magnetic motor Exciting Windings for Transverse Differential Protection controlled motor drive system DC bus-bar voltage, to increase system power-density, reduces system cost, improves system reliability.
According to one example embodiment of the present invention, using the method and apparatus of electro-magnetic motor Exciting Windings for Transverse Differential Protection controlled motor drive system DC bus-bar voltage, including：First dc bus, the second dc bus, DC-DC power converter, electro-magnetic motor；
First dc bus transmits energy by DC-DC power converter and the second dc bus；
The DC-DC power converter is used as inductance by the use of electro-magnetic motor Exciting Windings for Transverse Differential Protection, energy is in first direct current voltage bus and tells the flowing between the second direct current voltage bus for regulation, and then adjusts the first direct current voltage bus voltage or second DC bus-bar voltage；
The electro-magnetic motor Exciting Windings for Transverse Differential Protection encourages the magnetic field of the electro-magnetic motor simultaneously；
Second dc bus is connected by power inverter with electro-magnetic motor armature winding, or is directly connected with electro-magnetic motor armature winding and is transmitted energy, makes motor operation in electronic or generating state.
With reference to embodiments of the invention, described DC-DC power converter is by semiconductor switch device, capacitor element and inductance component composition.
Described inductance component is partly or entirely made up of above-mentioned electro-magnetic motor Exciting Windings for Transverse Differential Protection.
Described semiconductor switch device is at least one of following：Bipolar junction transistor, mos field effect transistor, insulated gate bipolar transistor, integrated gate commutated bipolar junction transistor, silicon carbide transistor, gallium nitride transistor, diode, IGCT, gate level turn-off thyristor.
With reference to embodiments of the invention, the hybrid DC-DC power converter that the possible implementation of DC-DC power converter combines for one of following or two and above following power converter：Boost DC-DC power converter, buck DC to dc power inverter, buck-boost type DC-DC power converter, two-way DC-DC power inverter, CUK DC-DC power converters, Z sources DC-DC power converter, inverse-excitation type DC-DC power converter, positive activation type DC-DC power converter, semibridge system DC-DC power converter, full-bridge type DC-DC power converter, push-pull type DC-DC power converter, alternating expression DC-DC power converter, the tapped DC-DC power converter of inductance.
With reference to embodiments of the invention, the possible implementation of electro-magnetic motor is one of following：Exchange electro-magnetic motor, direct current excitation motor.
The possibility implementation of above-mentioned exchange electro-magnetic motor is one of following：Flux switch motor, becomes magnetic flux reluctance motor, doubly-fed stator double salient-pole electric machine, stator electric excitation synchronous motor, rotor electric excitation synchronous motor.
The possibility implementation of above-mentioned exchange electro-magnetic motor also includes corresponding monophase machine and polyphase machine.
The electro-magnetic motor also includes corresponding Exciting Windings for Transverse Differential Protection and permanent magnet composite excitation type motor, electric rotating machine and linear electric motors.
The electro-magnetic motor Exciting Windings for Transverse Differential Protection is made up of one or more windings, and they are partly or entirely connected with the DC-DC power converter.
With reference to embodiments of the invention, if the implementation of electro-magnetic motor is exchange electro-magnetic motor, the second dc bus transmits energy by one of following power converter with the electro-magnetic motor armature winding that exchanges：Half-bridge power converter, full-bridge power converter, multi-level power converter, Soft switching power converters, Vienna power inverter
With reference to embodiments of the invention, if the electro-magnetic motor is direct current excitation motor, armature winding of second dc bus by brush directly with the electrical excitation direct current generator is connected, and transmits energy with the electro-magnetic motor armature winding.
With reference to embodiments of the invention, on the one hand the Exciting Windings for Transverse Differential Protection of the electro-magnetic motor is used to build up motor-field, while also serving as the inductance of DC-DC power converter on the other hand.
Electro-magnetic motor system dc busbar voltage control device according to embodiments of the present invention, while being that motor sets up magnetic field using electro-magnetic motor Exciting Windings for Transverse Differential Protection, the also inductance as DC-DC power converter.It is integrated that electro-magnetic motor realizes functionalization with DC-DC power converter by shared electrical excitation winding.DC-DC power converter can just realize electro-magnetic motor system dc varying DC link voltage function under conditions of extra inductance is not needed.Which effectively increases the power density of system, the reliability of system is enhanced, and reduces the cost of system.
Brief description of the drawings
Technical scheme in order to illustrate the embodiments of the present invention more clearly, the accompanying drawing used required in being described below to embodiment is briefly introduced, apparently, drawings in the following description are only some embodiments of the present invention, for one of ordinary skill in the art, on the premise of not paying creative work, other accompanying drawings can also be obtained according to these accompanying drawings.
The structural representation for the exchange electro-magnetic motor drive system that Fig. 1 provides for one embodiment of the invention；
The schematic diagram for exchanging electro-magnetic flux switching motor system based on two-way DC-DC power inverter with double level power converters that Fig. 2 provides for another embodiment of the present invention；
Fig. 3 exchanges oscillogram of the electro-magnetic flux switching motor system in electric model for what another embodiment of the present invention was provided based on two-way DC-DC power inverter and double level power converters；
Fig. 4 exchanges oscillogram of the electro-magnetic flux switching motor system in power generation mode for what another embodiment of the present invention was provided based on two-way DC-DC power inverter and double level power converters；
The structural representation for the electrical excitation DC motor Driver system that Fig. 5 provides for another embodiment of the present invention；
The schematic diagram for the electrical excitation DC motor Driver system based on buck-boost DC-DC power converter that Fig. 6 provides for an alternative embodiment of the invention；
Oscillogram of the electrical excitation DC motor Driver system based on buck-boost DC-DC power converter that Fig. 7 is provided by another embodiment of the present invention in D=0.6；
Oscillogram of the electrical excitation DC motor Driver system based on buck-boost DC-DC power converter that Fig. 8 is provided by another embodiment of the present invention in D=0.3.
Embodiment scape
In order that the object, technical solutions and advantages of the present invention are clearer, below in conjunction with accompanying drawing, the present invention is described in further detail, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.Based on embodiments of the invention, the every other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made belongs to the scope of protection of the invention.
The structural representation for the exchange electro-magnetic motor drive system that Fig. 1 provides for one embodiment of the invention.The exchange electro-magnetic motor drive system that the present embodiment is provided, including：DC-DC power converter 102, DC-AC power inversion device 104 with exchange electro-magnetic motor 105.
In embodiment illustrated in fig. 1, one end of DC-DC power converter 102 is connected 101 with the first dc bus, and the other end is connected 103 with the second dc bus.The inductance of DC-DC power converter 102 is the Exciting Windings for Transverse Differential Protection 106 of exchange electro-magnetic motor.The DC terminal of DC-AC power inversion device 102 is connected with the second dc bus 103, and exchange end is connected with exchanging the armature winding of electro-magnetic motor 105.Exciting Windings for Transverse Differential Protection 106 is the part for exchanging electro-magnetic motor 105.
By adjusting the dutycycle of semiconductor switch device in DC-DC power converter 102, and then the electric current of exchange electro-magnetic motor Exciting Windings for Transverse Differential Protection 106 is adjusted, reach the effect of the control voltage of the first dc bus 101 or the voltage of the second dc bus 103.The semiconductor switch device of DC-AC power inversion device 104 is controlled using pulse modulation technology, is mutually transmitted by the energy for adjusting the second dc bus 103 and electro-magnetic motor armature winding, realizes the electronic or generator operation of motor.
It is preferred that, above-mentioned semiconductor switch device is at least one of following：
Bipolar junction transistor, mos field effect transistor, insulated gate bipolar transistor, integrated gate commutated bipolar junction transistor, silicon carbide transistor, gallium nitride transistor, diode, IGCT, gate level turn-off thyristor.
It is preferred that, the hybrid DC-DC power converter that the DC-DC power converter 102 in Fig. 1 combines for one of following or two and above following power converter：Boost DC-DC power converter, buck DC to dc power inverter, buck-boost type DC-DC power converter, two-way DC-DC power inverter, CUK DC-DC power converters, Z sources DC-DC power converter, inverse-excitation type DC-DC power converter, positive activation type DC-DC power converter, semibridge system DC-DC power converter, full-bridge type DC-DC power converter, push-pull type DC-DC power converter, alternating expression DC-DC power converter, the tapped DC-DC power converter of inductance.
It is preferred that, the DC-AC power inversion device that the DC-AC power inversion device 104 in Fig. 1 combines for one or two following and above following power converter：Half-bridge power converter, full-bridge power converter, multi-level power converter, Soft switching power converters, Vienna power inverter.
It is preferred that, exchange electro-magnetic motor 105 in Fig. 1 includes flux switch motor, becomes magnetic flux reluctance motor, doubly-fed stator double salient-pole electric machine, stator electric excitation synchronous motor, rotor electric excitation synchronous motor, and corresponding becomes magnetic flux reluctance motor, composite excitation doubly-fed stator double salient-pole electric machine, stator hybrid exciting synchronous motor, rotor composite excitation synchronous motor by electrical excitation winding and the mixed excited magnetic pass switch motor of the common excitation of permanent magnet, composite excitation.
In the present embodiment, exchange electro-magnetic motor Exciting Windings for Transverse Differential Protection and DC-DC power converter inductance are same winding, and the winding is while for exchange electro-magnetic motor excitation field, also as the inductance of DC-DC power converter.The control of system dc busbar voltage is realized in the case of without additional inductance.Due to reducing the use of additional inductance, this embodiment improves the power density of system, cost is reduced, the reliability of system is enhanced.
Further, the schematic diagram for exchanging electro-magnetic flux switching motor system based on two-way DC-DC power inverter with double level power converters that Fig. 2 provides for an alternative embodiment of the invention.
The present embodiment is made up of two-way DC-DC power inverter, double level DCs-AC power converter and electro-magnetic flux switching motor.
It is preferred that, in Fig. 2,202,203,206,207,208,209,210 and 211 be the semiconductor switching module being formed in parallel by insulated gate bipolar transistor (IGBT) and diode reverse.Embodiment as described herein uses IGBT gate-controlled switches, but method and apparatus as described herein are not limited to such gate-controlled switch, and other types gate-controlled switch is also suitable.
Wherein two-way DC-DC power inverter is by exchange electro-magnetic flux switching motor Exciting Windings for Transverse Differential Protection 212, and power switch unit 202 and 203 and electric capacity 204 are constituted.The one end of exchange electro-magnetic flux switching motor Exciting Windings for Transverse Differential Protection 212 is connected with the positive pole of the first dc bus 201, and the other end is connected with the emitter stage of IGBT in semiconductor switching module 202.The colelctor electrode of semiconductor switching module 202 is connected with the positive pole of the second dc bus 205.IGBT colelctor electrode is connected with the emitter stage of IGBT in semiconductor switching module 202 in semiconductor switching module 203.IGBT emitter stage is connected with the negative pole of the first dc bus 201 in semiconductor switching module 203.The positive pole of electric capacity 204 is connected with the positive pole of the second dc bus 205, and the negative pole of electric capacity 204 is connected with the negative pole of the second dc bus 205.First dc bus 201 and the second dc bus 205 share same negative pole.
Double level DCs-AC power converter is made up of 3 bridge arms.
The colelctor electrode that semiconductor switching module 206 and 207 constitutes IGBT in A phase bridge arms, semiconductor switching module 206 is connected with the positive pole of the second dc bus 205, and IGBT emitter stage is connected with the negative pole of the second dc bus 205 in semiconductor switching module 207.The tie point of semiconductor switching module 206 and 207 is connected with exchanging the A phases armature winding of electro-magnetic flux switching motor.
The colelctor electrode that semiconductor switching module 208 and 209 constitutes IGBT in B phase bridge arms, semiconductor switching module 208 is connected with the positive pole of the second dc bus 205, and IGBT emitter stage is connected with the negative pole of the second dc bus 205 in semiconductor switching module 209.The tie point of semiconductor switching module 208 and 209 is connected with exchanging the B phases armature winding of electro-magnetic flux switching motor.
The colelctor electrode that semiconductor switching module 210 and 211 constitutes IGBT in C phase bridge arms, semiconductor switching module 210 is connected with the positive pole of the second dc bus 205, and IGBT emitter stage is connected with the negative pole of the second dc bus 205 in semiconductor switching module 211.The tie point of semiconductor switching module 210 and 211 is connected with exchanging the C phases armature winding of electro-magnetic flux switching motor.
Exchange electro-magnetic flux switching motor in embodiment illustrated in fig. 2 includes 12 magnetic pole of the stator, 5 rotor magnetic poles.Exciting Windings for Transverse Differential Protection and armature winding are all distributed on stator, and wherein Exciting Windings for Transverse Differential Protection is in series by 3 magnet exciting coils 212.A phases armature winding is in series by two coils 213.B phases armature winding is in series by two coils 214.C phases armature winding is in series by two coils 215.
Under electric model, the IGBT in semiconductor switching module 202 is closed.When the IGBT in semiconductor switching module 203 is opened, electric current, by exchanging the IGBT in electro-magnetic flux switching motor Exciting Windings for Transverse Differential Protection 212 and semiconductor switching module 203, eventually flows to the negative pole of the first dc bus 201 from the positive pole of the first dc bus 201.In this course, Exciting Windings for Transverse Differential Protection electric current gradually increases.When the IGBT in semiconductor switching module 203 is closed, electric current is from the positive pole of the first dc bus 201, by exchanging the diode in electro-magnetic flux switching motor Exciting Windings for Transverse Differential Protection 212 and semiconductor switching module 202, charged to the electric capacity 204 on the second dc bus 205, eventually flow to the negative pole of the first dc bus 201.In this course, Exciting Windings for Transverse Differential Protection electric current is gradually reduced.
Control DC-AC power inversion device that the direct current on the second dc bus 205 is converted into alternating current using pulse modulation technology, to motor electric operation.
Fig. 3 exchanges oscillogram of the electro-magnetic flux switching motor system in electric model for what another embodiment of the present invention was provided based on two-way DC-DC power inverter and double level power converters.
In generate mode, the IGBT in semiconductor switching module 203 is closed.When the IGBT in semiconductor switching module 202 is opened, electric current, by the IGBT in semiconductor switching module 202 and exchange electro-magnetic flux switching motor Exciting Windings for Transverse Differential Protection 212, charges from the positive pole of the second dc bus 205 to the first dc bus 201.In this course, the electric current of Exciting Windings for Transverse Differential Protection 212 gradually increases.When the IGBT in semiconductor switching module 202 is closed, the diode that electric current passes through in semiconductor switching module 203, exchange electro-magnetic flux switching motor Exciting Windings for Transverse Differential Protection 212 charges to the first dc bus 201.In this course, the electric current of Exciting Windings for Transverse Differential Protection 212 is gradually reduced.In power generation process, the alternating current that motor is sent can be converted to the direct current on the second dc bus 205 using pulse modulation technology control DC-AC power inversion device, charged by two-way DC-DC power inverter to the first dc bus 201.
Fig. 4 exchanges oscillogram of the electro-magnetic flux switching motor system in power generation mode for what another embodiment of the present invention was provided based on two-way DC-DC power inverter and double level power converters.
Pass through Fig. 3 and Fig. 4 simulation waveform, the inductance of two-way DC-DC power inverter realizes the storage of inductance energy and the excitation of motor-field with exchanging electro-magnetic flux switching motor Exciting Windings for Transverse Differential Protection and can share same winding respectively in the embodiment, it is possible to realize the normal electronic or generator operation of electric system.The embodiment saves extra inductance element, and this improves the power density of system, reduces cost, enhances the reliability of system.
The structural representation for the electrical excitation DC motor Driver system that Fig. 5 provides for another embodiment of the present invention.The electrical excitation DC motor Driver system that the present embodiment is provided, including：DC-DC power converter 502 and direct current excitation motor 505.Wherein, direct current excitation motor excitation winding 504 is a part for direct current excitation motor 505.
The one end of DC-DC power converter 502 is connected with the first dc bus 501 in embodiment illustrated in fig. 5, and the other end is connected with the second dc bus 503, and the inductance of DC-DC power converter is the Exciting Windings for Transverse Differential Protection 504 of direct current excitation motor 505.The armature winding of direct current excitation motor 505 is connected with the second dc bus 503.
By the dutycycle for controlling semiconductor switch device in DC-DC power converter 502, control flowing of the electric energy between the first dc bus 501 and the second dc bus 503, adjust the voltage of the first dc bus 501 and the second dc bus 503, it is possible to make motor operation in electronic or generating state.Electric current flows through the Exciting Windings for Transverse Differential Protection 504 of direct current excitation motor, the magnetic field set up needed for motor operation；Meanwhile, the Exciting Windings for Transverse Differential Protection 504 of direct current excitation motor is also as the inductance of DC-DC power converter.
Above-mentioned semiconductor switch device is at least one of following：
Bipolar junction transistor, mos field effect transistor, insulated gate bipolar transistor, integrated gate commutated bipolar junction transistor, silicon carbide transistor, gallium nitride transistor, diode, IGCT, gate level turn-off thyristor.
It is preferred that, the hybrid DC-DC power converter that one of DC-DC power converter 502 in Fig. 1 is following or two and above following power converter are combined：
Boost DC-DC power converter, buck DC to dc power inverter, buck-boost type DC-DC power converter, two-way DC-DC power inverter, CUK DC-DC power converters, Z sources DC-DC power converter, inverse-excitation type DC-DC power converter, positive activation type DC-DC power converter, semibridge system DC-DC power converter, full-bridge type DC-DC power converter, push-pull type DC-DC power converter, alternating expression DC-DC power converter, the tapped DC-DC power converter of inductance.
It is preferred that, the direct current excitation motor in Fig. 1 includes direct current generator, hybrid excitation direct current motor and corresponding electric rotating machine and linear electric motors.
In the present embodiment, direct current excitation motor excitation winding and DC-DC power converter inductance are same winding, and the winding is while for direct current excitation motor energization magnetic field, also as the inductance of DC-DC power converter.The control of system dc busbar voltage is realized in the case of without additional inductance.Due to reducing the use of additional inductance, this embodiment improves the power density of system, cost is reduced, the reliability of system is enhanced.
Further, the schematic diagram for the electrical excitation DC motor Driver system based on buck-boost DC-DC power converter that Fig. 6 provides for an alternative embodiment of the invention.
Embodiment illustrated in fig. 6 is made up of buck-boost DC-DC power converter and electrical excitation direct current generator.Wherein, the positive pole of first dc bus 601 is connected with the drain electrode of switch mosfet 602, the source class of switch mosfet 602 is connected with the negative pole of diode 603, the positive pole of diode 603 is connected with the negative pole of electric capacity 605, the positive pole of electric capacity 605 is connected with the negative pole of the second dc bus 604, and the negative pole of the first dc bus 601 is connected with the negative pole of the second dc bus 605.Second dc bus 604 is connected by brush 608 with direct current excitation armature winding 607.The Exciting Windings for Transverse Differential Protection of direct current excitation motor is in series by two magnet exciting coils 606, and one end of Exciting Windings for Transverse Differential Protection is connected with the negative pole of diode 603, and the other end is connected with the negative pole of the second dc bus 604.Embodiment as described herein uses switch mosfet, but method and apparatus as described herein are not limited to such switch, and other types switch is also suitable.
In embodiment illustrated in fig. 6, when switch mosfet 602 is opened, electric current flows to the negative pole of the first dc bus 601 from the positive pole of the first dc bus 601 by switch mosfet 602 and direct current excitation motor excitation winding 606.When switch mosfet 602 is closed, the positive pole of the current direction electric capacity 605 in direct current excitation motor excitation winding, and whole continuous current circuit is constituted by diode 603.The relation of the voltage of second dc bus 604 and the voltage of the first dc bus 601 is
Wherein.V2 is the voltage of the second dc bus 604, and V1 is the voltage of the first dc bus 601, and D is the dutycycle of switch mosfet 602,0<D<1.Work as D>When 0.5, the DC bus-bar voltage 601 of the second DC bus-bar voltage 604 to the first is high.Work as D<When 0.5, the second dc bus 604 to the first dc bus, 601 voltages are low.
Second dc bus 604 is by brush 608 to the transmission energy of armature winding 607, and driving direct current excitation motor rotates.
Oscillogram of the electrical excitation DC motor Driver system based on buck-boost DC-DC power converter that Fig. 7 is provided by another embodiment of the present invention in D=0.6.Oscillogram of the electrical excitation DC motor Driver system based on buck-boost DC-DC power converter that Fig. 8 is provided by another embodiment of the present invention in D=0.3.It was found from Fig. 7 and Fig. 8 oscillogram, the electrical excitation DC motor Driver system based on buck-boost DC-DC power converter that the embodiment of the present invention is provided can realize the boosting and decompression of the second dc bus.On the one hand Exciting Windings for Transverse Differential Protection provides magnetic field for direct current excitation motor, on the other hand as the necessary element of buck-boost DC-DC power converter.
The electrical excitation DC motor Driver system based on buck-boost DC-DC power converter that another embodiment of the present invention shown in Fig. 6 is provided, its DC-DC power converter and the electrical excitation direct current generator inductance element extra by saving, this improves the power density of system, cost is reduced, the reliability of system is enhanced.
Finally it should be noted that：Various embodiments above is merely illustrative of the technical solution of the present invention, rather than its limitations；Although the present invention is described in detail with reference to foregoing embodiments, it will be understood by those within the art that：It can still modify to the technical scheme described in foregoing embodiments, or carry out equivalent substitution to which part or all technical characteristic；And these modifications or substitutions, the essence of appropriate technical solution is departed from the scope of various embodiments of the present invention technical scheme.
Claims (10)
1. a kind of method and apparatus of utilization electro-magnetic motor Exciting Windings for Transverse Differential Protection controlled motor drive system DC bus-bar voltage, it is characterised in that including：First dc bus, the second dc bus, DC-DC power converter, electro-magnetic motor：First dc bus transmits energy by DC-DC power converter and the second dc bus, the DC-DC power converter is used as inductance by the use of the electro-magnetic motor Exciting Windings for Transverse Differential Protection, flowing of the energy between first direct current voltage bus and second direct current voltage bus is adjusted, and then adjusts the first direct current voltage bus voltage or second DC bus-bar voltage；The electro-magnetic motor Exciting Windings for Transverse Differential Protection encourages the magnetic field of the electro-magnetic motor simultaneously, second dc bus is connected by power inverter with electro-magnetic motor armature winding, or be directly connected with electro-magnetic motor armature winding and transmit energy, make motor operation in electronic or generating state.
2. the method and apparatus of the utilization electro-magnetic motor Exciting Windings for Transverse Differential Protection controlled motor drive system DC bus-bar voltage according to claim 1, characterized in that, the hybrid DC-DC power converter that described DC-DC power converter combines for one of following or two and above following power converter：Boost DC-DC power converter, buck DC to dc power inverter, buck-boost type DC-DC power converter, two-way DC-DC power inverter, CUK DC-DC power converters, Z sources DC-DC power converter, inverse-excitation type DC-DC power converter, positive activation type DC-DC power converter, semibridge system DC-DC power converter, full-bridge type DC-DC power converter, push-pull type DC-DC power converter, alternating expression DC-DC power converter, the tapped DC-DC power converter of inductance.
3. the DC-DC power converter according to claim 2, it is characterised in that described DC-DC power converter is by semiconductor switch device, capacitor element and inductance component composition.
4. the DC-DC power converter according to any one in claim 1-3, it is characterised in that described inductance component is partly or entirely made up of above-mentioned electro-magnetic motor Exciting Windings for Transverse Differential Protection.
5. the DC-DC power converter according to any one in claim 1-3, it is characterised in that described semiconductor switch device is at least one of following：Bipolar junction transistor（BJT）, mos field effect transistor（MOSFET）, insulated gate bipolar transistor（IGBT）, integrated gate commutated bipolar junction transistor, silicon carbide transistor, gallium nitride transistor, diode, IGCT, gate level turn-off thyristor.
6. the method and apparatus of the utilization electro-magnetic motor Exciting Windings for Transverse Differential Protection controlled motor drive system DC bus-bar voltage according to claim 1, it is characterized in that, the electro-magnetic motor is exchange one of electro-magnetic motor or direct current excitation motor, and the exchange electro-magnetic motor is one of following：Flux switch motor, become magnetic flux reluctance motor, doubly-fed stator double salient-pole electric machine, stator electric excitation synchronous motor, rotor electric excitation synchronous motor, the electro-magnetic motor also includes corresponding Exciting Windings for Transverse Differential Protection and permanent magnet composite excitation type motor, electric rotating machine and linear electric motors, and the exchange electro-magnetic motor also includes corresponding monophase machine and polyphase machine.
7. the electro-magnetic motor according to claim 1 or 6, it is characterised in that the electro-magnetic motor Exciting Windings for Transverse Differential Protection is made up of one or more windings, they are partly or entirely connected with the DC-DC power converter.
8. the exchange electro-magnetic motor according to claim 6, it is characterised in that the motor driver that the second dc bus is combined by one or two following and above following power converter exchanges electro-magnetic motor armature winding transmission energy with described：Half-bridge power converter, full-bridge power converter, multi-level power converter, Soft switching power converters, Vienna power inverter.
9. the direct current excitation motor according to claim 6, it is characterised in that the armature winding of the electrical excitation direct current generator can be directly connected by brush with the second dc bus, and transmit energy with the electro-magnetic motor armature winding.
10. the method and apparatus of the utilization electro-magnetic motor Exciting Windings for Transverse Differential Protection controlled motor drive system DC bus-bar voltage according to claim 1, it is characterized in that, on the one hand the Exciting Windings for Transverse Differential Protection of the electro-magnetic motor is used to build up motor-field, while also serving as the inductance of DC-DC power converter on the other hand.
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| CN110932648A (en) * | 2019-12-31 | 2020-03-27 | 杭州电子科技大学 | Motor driving system with power factor correction |
| CN113098221A (en) * | 2021-03-09 | 2021-07-09 | 华中科技大学 | High-voltage large-capacity direct current motor without commutator |
| EP3926815A1 (en) * | 2020-06-18 | 2021-12-22 | Audi AG | Inverter |
| EP4258537A1 (en) * | 2022-04-04 | 2023-10-11 | QM Power Inc. | Systems, components, and method for permanent magnet-free motor and its control |
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| CN102739144A (en) * | 2012-06-29 | 2012-10-17 | 深圳市航盛电子股份有限公司 | Belt-starter generator (BSG) motor control system for micro hybrid vehicle |
| CN104300853A (en) * | 2014-10-16 | 2015-01-21 | 东风电动车辆股份有限公司 | Series-excitation motor controller power module set structure with H-bridge reversing function |
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| CN110932648A (en) * | 2019-12-31 | 2020-03-27 | 杭州电子科技大学 | Motor driving system with power factor correction |
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