CN103915966A - Segmented-rotor flux-switching doubly-salient direct-current generator capacitance compensation circuit - Google Patents
Segmented-rotor flux-switching doubly-salient direct-current generator capacitance compensation circuit Download PDFInfo
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- CN103915966A CN103915966A CN201310003460.5A CN201310003460A CN103915966A CN 103915966 A CN103915966 A CN 103915966A CN 201310003460 A CN201310003460 A CN 201310003460A CN 103915966 A CN103915966 A CN 103915966A
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- capacitor
- compensation capacitor
- compensating circuit
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Abstract
The invention relates to a segmented-rotor flux-switching doubly-salient direct-current generator capacitance compensation circuit. An electric generator generates electricity in a full-bridge rectification mode. The capacitance compensation circuit is characterized in that the capacitance compensation circuit can be a triangular or star-shaped capacitance compensation circuit, armature windings of a rectification structure have a common point namely a middle point 0, the connecting mode of the triangular capacitance compensation circuit is that a compensation capacitor C1, a compensation capacitor C2 and a compensation capacitor C3 are connected between a leading-out terminal A, a leading-out terminal B and a leading-out terminal C of all armatures in all phases respectively, and the connecting mode, formed by the compensation capacitor C1, the compensation capacitor C2 and the compensation capacitor C3, of the triangular capacitance compensation circuit is formed; the connecting mode of the star-shaped capacitance compensation circuit is that a compensation capacitor C1 is connected between the leading-out terminal A of an armature in a phase and a middle point 01 of the compensation capacitor C1, a compensation capacitor C2 is connected between the leading-out terminal B of an armature in a phase and a middle point 01 of the compensation capacitor C2, a compensation capacitor C3 is connected between the leading-out terminal C of an armature in a phase and a middle point 01 of the compensation capacitor C3, and therefore the connecting mode, formed by the compensation capacitor C1, the compensation capacitor C2 and the compensation capacitor C3, of the star-shaped capacitance compensation circuit is formed; the 0 and the 01 also can be in short circuit, and the electric generator generates electricity in a single-phase full-bridge rectification mode. The capacitance compensation circuit is characterized in that due to the fact that all windings in all phases have no a common point, the winding LA, the winding LB and the winding LC in all phases are correspondingly provided with and connected in parallel with the compensation capacitor CA, the compensation capacitor CB and the compensation capacitor CC respectively.
Description
Technical field
The capacitor compensating circuit structure of the segmented-rotor magnetic flux switch dual salient pole DC generator the present invention relates to, belongs to segmented-rotor magnetic flux switch dual salient pole DC generator field.
Background technology
Permanent magnetism segmented-rotor magnetic flux switch dual salient pole DC generator belongs to a kind of variable reluctance motor, its stator, and rotor is salient-pole structure, is formed by silicon steel plate packing, simple in structure, there is no winding on rotor, and reliability is high, in addition, also has power density advantages of higher.Electricity excitation segmented-rotor magnetic flux switch dual salient pole DC generator replaces permanent magnet with electric excitation winding, and the excitation field of motor can be regulated.Do generator when work, do not need rotor-position sensor, and excitation winding only needs single tube converter to power, regulate excitation winding electric current adjustable output voltage, can demagnetization when fault, have the advantages that reliability is high.While making motor, can realize wide speed adjusting performance.In order to make the exciting current of electric excitation segmented-rotor magnetic flux switch dual salient pole DC generator less, can adopt the scheme of composite excitation.No matter the segmented-rotor magnetic flux switch dual salient pole DC generator that is which kind of structure all has the feature that armature inductance is large, in the time adopting simple rectification circuit, the power-factor angle of emf phase and phase current is large, and power factor is low; Make the power density of the segmented-rotor magnetic flux switch dual salient pole electricity generation system that adopts simple diode rectification circuit too low.
Summary of the invention
The object of the invention is to overcome above-mentioned drawback a kind of capacitor compensating circuit that improves double-salient-pole generator power density is provided.The present invention has utilized the compensating action of electric capacity to inductive circuit power factor, proposes to be applicable to the capacitor compensating circuit structure of segmented-rotor magnetic flux switch dual salient pole DC generator, improves the power factor of motor, improves the power density of generator.Realizing the technical scheme that object of the present invention takes is: a kind of segmented-rotor magnetic flux switch dual salient pole DC generator capacitor compensating circuit, it is characterized in that: capacitor compensating circuit adopts triangle or star capacitor compensating circuit, the armature winding of rectifier structure has a common point one mid point 0, for the connected mode of triangle capacitor compensating circuit, be that leading-out terminal A, the B of each phase armature, C are distinguished to building-out capacitor C of cross-over connection between any two
1, C
2, C
3so, form C
1, C
2, C
3the connected mode of the triangle building-out capacitor forming, for the connected mode of star capacitor compensating circuit, is by the leading-out terminal A of each phase armature, B, C and building-out capacitor C
l, C
2, C
3mid point 0
1between cross-over connection building-out capacitor C respectively
l, C
2, C
3so, form C
l, C
2, C
3the connected mode of the star capacitor compensating circuit forming; In addition, said 0 and 0
1also can get up by short circuit.When generator adopts single-phase full bridge rectification generation mode, because each phase winding does not have public mid point, each phase winding LA, LB, LC have respectively corresponding building-out capacitor CA, a CB, CC and its winding to be in parallel.
The capacitance compensation structure of the segmented-rotor magnetic flux switch dual salient pole DC generator the present invention includes, that building-out capacitor is connected with the special terminal of segmented-rotor magnetic flux switch dual salient pole DC generator, utilize on electric capacity and flow through capacity current, compensate the inductance current that exists inductance to cause due to segmented-rotor magnetic flux switch dual salient pole dynamo armature winding.When this capacitor compensating circuit is used for generator, under same exciting power, the external characteristic of generator is hard, and power factor is high, thereby has significantly improved the power density of segmented-rotor magnetic flux switch dual salient pole DC generator.When a same segmented-rotor magnetic flux switch dual salient pole DC generator is moved under high speed, the building-out capacitor capacitance needing is little; When low cruise, the capacitor's capacity needing is large.While adopting same capacitor compensating circuit structure for the identical segmented-rotor magnetic flux switch dual salient pole DC generator of electric angle frequency, the building-out capacitor capacitance of selecting when large at phase winding inductance mean value is little; Hour, the capacitor's capacity needing is large for phase winding inductance mean value.
The present invention can be applied in electric excitation segmented-rotor magnetic flux switch dual salient pole DC generator, composite excitation segmented-rotor magnetic flux switch dual salient pole DC generator and the permanent magnetism segmented-rotor magnetic flux switch dual salient pole DC generator of three-phase, is particularly suitable for the occasion of the little or constant-speed operation of velocity variations scope.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the triangle connected mode of capacitor compensating circuit of the present invention;
Fig. 2 is the schematic diagram of the Y-connection mode of capacitor compensating circuit of the present invention;
Fig. 3 be capacitor compensating circuit of the present invention each armature winding connect respectively single-phase rectification bridge output-parallel formula generation mode under compensating circuit schematic diagram;
Fig. 4 is that capacitor compensating circuit of the present invention connects respectively single-phase rectification bridge at each armature winding and exports the compensating circuit schematic diagram under in-line generation mode.
In Fig. 1, L
a, L
b, L
crepresent armature winding, C
1, C
2, C
3represent building-out capacitor, D
1, D
2, D
3, D
4, D
5, D
6for rectifier diode, C is output filter capacitor.In Fig. 2, L
a, L
b, L
crepresent armature winding, C
1, C
2, C
3represent building-out capacitor, D
1, D
2, D
3, D
4, D
5, D
6for rectifier diode, C is output filter capacitor.In Fig. 3 and Fig. 4, L
a, L
b, L
crepresent armature winding, C
a, C
b, C
crepresent building-out capacitor, D
al, D
a2, D
a3, D
a4, D
b1, D
b2, D
b3, D
b4, D
c1, D
c2, D
c3, D
c4for rectifier diode, C is output filter capacitor, and Z is load.
Embodiment
From Fig. 1,2,. a kind of segmented-rotor magnetic flux switch dual salient pole DC generator capacitor compensating circuit, generator adopts full-bridge rectification generation mode, it is characterized in that: capacitor compensating circuit adopts triangle or star capacitor compensating circuit, the armature winding of rectifier structure has a common point one mid point 0, for the connected mode of triangle capacitor compensating circuit, be that leading-out terminal A, the B of each phase armature, C are distinguished to building-out capacitor C of cross-over connection between any two
1, C
2, C
3so, form C
1, C
2, C
3the connected mode of the triangle building-out capacitor forming, for the connected mode of star capacitor compensating circuit, is by the leading-out terminal A of each phase armature, B, C and building-out capacitor C
l, C
2, C
3mid point 0
1between cross-over connection building-out capacitor C respectively
l, C
2, C
3so, form C
l, C
2, C
3the connected mode of the star capacitor compensating circuit forming; In addition, said 0 and 0
1also can get up by short circuit.Fig. 3 and Fig. 4 are known, a kind of segmented-rotor magnetic flux switch dual salient pole DC generator capacitor compensating circuit, generator adopts single-phase full bridge rectification generation mode, and because each phase winding does not have public mid point, each phase winding has respectively corresponding a building-out capacitor and its winding to be in parallel.
Claims (2)
1. a segmented-rotor magnetic flux switch dual salient pole DC generator capacitor compensating circuit, generator adopts full-bridge rectification generation mode, it is characterized in that: capacitor compensating circuit adopts triangle or star capacitor compensating circuit, the armature winding of rectifier structure has a common point one mid point 0, for the connected mode of triangle capacitor compensating circuit, be that leading-out terminal A, the B of each phase armature, C are distinguished to building-out capacitor C of cross-over connection between any two
1, C
2, C
3so, form C
1, C
2, C
3the connected mode of the triangle building-out capacitor forming, for the connected mode of star capacitor compensating circuit, is by the leading-out terminal A of each phase armature, B, C and building-out capacitor C
l, C
2, C
3mid point 0
1between cross-over connection building-out capacitor C respectively
l, C
2, C
3so, form C
l, C
2, C
3the connected mode of the star capacitor compensating circuit forming; In addition, said 0 and 0
1also can get up by short circuit.
2. a segmented-rotor magnetic flux switch dual salient pole DC generator capacitor compensating circuit, generator adopts single-phase full bridge rectification generation mode, it is characterized in that: because each phase winding does not have public mid point, each phase winding LA, LB, LC have respectively corresponding building-out capacitor CA, a CB, CC and its winding to be in parallel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310003460.5A CN103915966A (en) | 2013-01-06 | 2013-01-06 | Segmented-rotor flux-switching doubly-salient direct-current generator capacitance compensation circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310003460.5A CN103915966A (en) | 2013-01-06 | 2013-01-06 | Segmented-rotor flux-switching doubly-salient direct-current generator capacitance compensation circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103915966A true CN103915966A (en) | 2014-07-09 |
Family
ID=51041429
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310003460.5A Pending CN103915966A (en) | 2013-01-06 | 2013-01-06 | Segmented-rotor flux-switching doubly-salient direct-current generator capacitance compensation circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103915966A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1990908B1 (en) * | 2007-05-10 | 2010-03-31 | Denso Corporation | Rotary electric system designed to utilize zero-phase circuit |
| CN102231588A (en) * | 2011-06-16 | 2011-11-02 | 南京航空航天大学 | Capacitance compensation circuit structure applied to doubly salient DC generator |
| CN203119731U (en) * | 2013-01-06 | 2013-08-07 | 济南吉美乐电源技术有限公司 | Capacitance compensation circuit of split rotor flux switching doubly salient direct current generator |
-
2013
- 2013-01-06 CN CN201310003460.5A patent/CN103915966A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1990908B1 (en) * | 2007-05-10 | 2010-03-31 | Denso Corporation | Rotary electric system designed to utilize zero-phase circuit |
| CN102231588A (en) * | 2011-06-16 | 2011-11-02 | 南京航空航天大学 | Capacitance compensation circuit structure applied to doubly salient DC generator |
| CN203119731U (en) * | 2013-01-06 | 2013-08-07 | 济南吉美乐电源技术有限公司 | Capacitance compensation circuit of split rotor flux switching doubly salient direct current generator |
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Application publication date: 20140709 |