CN110417136A - Five-phase 5N/4N pole armature and excitation winding fault-tolerant electric excitation double salient motor - Google Patents
Five-phase 5N/4N pole armature and excitation winding fault-tolerant electric excitation double salient motor Download PDFInfo
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- CN110417136A CN110417136A CN201910700228.4A CN201910700228A CN110417136A CN 110417136 A CN110417136 A CN 110417136A CN 201910700228 A CN201910700228 A CN 201910700228A CN 110417136 A CN110417136 A CN 110417136A
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- 238000004804 winding Methods 0.000 title claims abstract description 149
- 230000005284 excitation Effects 0.000 title claims abstract description 88
- 230000001360 synchronised effect Effects 0.000 description 8
- 230000005611 electricity Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 3
- 238000002955 isolation Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910000976 Electrical steel Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000005347 demagnetization Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 238000004377 microelectronic Methods 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000010349 pulsation Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/12—Stationary parts of the magnetic circuit
- H02K1/14—Stator cores with salient poles
- H02K1/146—Stator cores with salient poles consisting of a generally annular yoke with salient poles
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/04—Windings characterised by the conductor shape, form or construction, e.g. with bar conductors
- H02K3/18—Windings for salient poles
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/04—Windings characterised by the conductor shape, form or construction, e.g. with bar conductors
- H02K3/28—Layout of windings or of connections between windings
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Synchronous Machinery (AREA)
Abstract
The invention relates to a five-phase 5N/4N pole armature and excitation winding fault-tolerant electric excitation doubly salient motor, wherein a stator pole of a stator is alternately wound with a set of armature winding and an excitation winding, and a stator pole without a winding is arranged between each armature winding and the excitation winding, so that the armature winding and the excitation winding are not overlapped. Compared with the prior art, the invention has the advantages that the set of armature winding and excitation winding is arranged on the stator pole, the armature winding and the excitation winding are uniformly wound on the stator pole, a stator pole without winding is arranged between each armature winding and the excitation winding, the mutual inductance between the armature winding and the excitation winding can be reduced, and the phase are physically isolated because the stator without winding is arranged at intervals, so the inter-turn short circuit between the phase and the phase is avoided, and the fault tolerance of the motor is improved. Because the excitation windings are uniformly distributed and the distance between each phase of armature windings is the same, the armature windings output force is uniform, a symmetrical phase magnetic circuit is generated, and the electromagnetic force is balanced.
Description
Technical field
The present invention relates to a kind of double salient-pole electric machine, especially a kind of electric excitation biconvex electrode electric machine.
Background technique
Double salient-pole electric machine is a kind of novel all-in-one occurred along with the rapid development of power electronics and microelectronics
System.Its unique structure and excellent electric property are being paid more attention and research, the master of double salient-pole electric machine
Wanting advantage is that structure is simple, and reliable operation is light-weight, small in size, at low cost, and power density is high, high-efficient, is had extremely wide
Application prospect.Electromagnetic type double salient-pole electric machine is a kind of New-type electric machine put forward on the basis of double salient-pole electric machine, the motor casing
Starting is conveniently realized, generates electricity difunctional, is the ideal starting/generator of novel power supply.
The characteristics of electric excitation biconvex electrode electric machine: 1 direct current excitation, without permanent magnet, thus it is low in cost, because without permanent magnetism
Body is so the problem of there is no demagnetizations.There is no armature winding without excitation winding on 2 rotors yet, rotor be by silicon steel plate stacking and
At without coil and magnet steel, structure is simple, securely.All armature winding and excitation winding of 3 electric excitation biconvex electrode electric machines are whole
It all on stator, is hardly damaged, while being easy to radiate.4 adjust exciting current, that is, adjustable output voltages, make output voltage not with
Load changes and changes, and also just eliminates frequency converter, can use diode uncontrollable rectifier circuit, significantly simplify electricity in this way
Road improves the reliability of double salient-pole electric machine, reduces costs.
Double salient-pole electric machine is generally all applied in big aircraft starting/generating system, generation of electricity by new energy, vehicle drive system and combustion
The advantages of oil pump systems, double salient-pole electric machine is that structure is simple, reliable operation, and DC generation and pressure regulation are convenient.
The excitation of traditional double-salient-pole electro-magnetic motor is generally adopted by distribution excitation, and excitation winding is wound on multiple biconvexs
In the stator poles of pole motor, there are the asymmetric problems of phase magnetic circuit, will lead to armature winding loss and rectifier bridge loss point
The problem of cloth unevenness.At the same time, the motor rectifier output voltage pulsation of motor is also increased.Therefore, it is necessary to be encouraged using one kind
Magnetic winding is evenly distributed in stator poles, and excitation winding is identical with respect to the position of armature winding, and armature winding power output uniformly, produces
Raw symmetrical phase magnetic circuit electromagnetic force equilibrium, and traditional electric excitation biconvex electrode electric machine is maintained, adjustable magnetic is convenient, and structure is simple, easily
In heat dissipation, reliable high advantage.
Summary of the invention
The present invention, in conjunction with the ontological property of double salient-pole electric machine, proposes on the basis of traditional electric excitation biconvex electrode electric machine
A kind of five phase 5N/4N Polar armatures and excitation winding successively isolated fault-tolerant electric excitation biconvex electrode electric machine, armature winding and excitation
Winding is uniformly wound in stator poles, and there are the stator poles without winding between each armature winding and excitation winding, is reduced
Mutual inductance between armature winding and excitation winding, because of one stator without winding in interval, exist between phase and phase physics every
From avoiding turn-to-turn short circuit between phase and phase, increase the fault-tolerance of motor.Since excitation winding is evenly distributed and each mutually electricity
The distance of pivot winding is identical, and armature winding power output uniformly, generates symmetrical phase magnetic circuit, electromagnetic force equilibrium, and maintain tradition
It is distributed excitation biconvex electrode electric machine, adjustable magnetic is convenient, low in cost, the simple and reliable advantage of rotor structure.Preferably to utilize biconvex
Pole motor powered and generator operation characteristic are laid a good foundation.
The present invention to achieve the above object, adopts the following technical scheme that
Five phase 5N/4N Polar armatures of one kind and the fault-tolerant electric excitation biconvex electrode electric machine of excitation winding, including stator, rotor, it is described
It is staggeredly wound with set armature winding and excitation winding in the stator poles of stator, there is one between each armature winding and excitation winding
Stator poles without winding do not occur armature winding with excitation winding be overlapped, reduce mutual between armature winding and excitation winding
Sense, avoids the turn-to-turn short circuit between armature winding and excitation winding, increases the fault-tolerance of motor.
Further, the excitation winding and armature winding are evenly distributed in stator poles, since excitation winding distribution is equal
The distance of uniform each phase armature winding is identical, makes armature winding power output uniformly, generates symmetrical phase magnetic circuit, electromagnetic force equilibrium.
Further, the armature winding one end draw be connected together, it is another terminate at two diodes of full-bridge circuit it
Between.
Novel five phases 5N/4N (N is positive integer) structure electric excitation synchronous motor of the invention takes above technical scheme, tool
Have it is following the utility model has the advantages that
(1) turn-to-turn short circuit is avoided, fault-tolerance greatly increases；
(2) winding technique is simple, is easy to radiate, be hardly damaged；
(3) phase magnetic circuit is symmetrical, electrical excitation balance；
(4) increase winding wire diameter, reduce copper loss.
Detailed description of the invention
Fig. 1 is 20/16 structure electric excitation synchronous motor two-dimensional structure figure；
Fig. 2 is 20/16 structure electric excitation synchronous motor rectification circuit figure；
Fig. 3 is five phase winding magnetic linkage analogous diagrams；
Five phase winding counter electromotive force analogous diagram of Fig. 4；
Fig. 5 is rectifier output voltage analogous diagram；
Primary symbols title in figure: the load that Z is connect by rectification circuit；LA1, LB1, LC1, LD1, LE1 are respectively 20/
The A phase, B phase, C phase of 16 structure electric excitation synchronous motors, D phase, E phase winding inductance；D1,D2,D3,D4,D5,D6,D7,D8,D9,
D10 is rectification circuit diode；EA1, EB1, EC1, ED1, EE1 are respectively the A phase of 20/16 structure electric excitation synchronous motor, B
Phase, C phase, D phase, E opposite potential；A, B, C, D, E be respectively the A phase of 20/16 central excitation double-fed electric excitation synchronous motor, B phase,
C phase, D phase, E phase armature winding；F is 20/16 electric excitation synchronous motor excitation winding.
Specific embodiment
The invention discloses a kind of fault-tolerant electric excitation biconvex electrode electric machine of novel five phases 5N/4N (N is positive integer) structure, the electricity
A set of armature winding and set of excitation winding are wound in the stator poles of machine.One end of armature winding draws and is connected together, the other end
It connects between two diodes of full-bridge circuit, A phase winding connects between diode D1 anode and diode D8 negative terminal, B phase winding
It connecing between diode D2 anode and diode D7 negative terminal, C phase winding connects between diode D3 anode and diode D6 negative terminal,
D phase winding connects between diode D4 anode and diode D5 negative terminal.Armature winding and excitation winding are uniformly wound on stator poles
On, there are the stator poles without winding between each armature winding and excitation winding.Reduce armature winding and excitation winding
Between mutual inductance because interval one stator without winding, between phase and phase exist physical isolation, avoid between phase and phase
Turn-to-turn short circuit increases the fault-tolerance of motor.Since excitation winding is evenly distributed, armature identical with the distance of each phase armature winding
Winding power output uniformly, generates symmetrical phase magnetic circuit, electromagnetic force equilibrium.And tradition distribution excitation biconvex electrode electric machine is maintained, is adjusted
Magnetic is convenient, low in cost, the simple and reliable advantage of rotor structure.
The present invention is suitable for the fault-tolerant electric excitation biconvex electrode electric machine of various 5N/4N (N is positive integer) structure, below in conjunction with
Attached drawing is described in detail inventive technique scheme by taking the electric excitation biconvex electrode electric machine of five phases, 20/16 structure as an example:
The planar structure of the fault-tolerant electric excitation biconvex electrode electric machine of five phases, 20/16 structure in the present invention, as shown in Figure 1, fixed
Son 1, rotor 2 are double-salient-pole structure, are passed through exciting current in excitation winding 4, main field is generated inside motor.The motor is fixed
Son extremely on have a set of armature winding 3 and an excitation winding 4, one end of armature winding 3, which is drawn, to be connected together, another to terminate at full-bridge electricity
Between the diode of two, road, A phase winding is connect between diode D1 anode and diode D8 negative terminal, and B phase winding connects in diode
Between D2 anode and diode D7 negative terminal, C phase winding is connect between diode D3 anode and diode D6 negative terminal, and D phase winding connects
Between diode D4 anode and diode D5 negative terminal.Armature winding 3 and excitation winding 4 are uniformly wound in stator poles, each
There are the stator poles without winding between armature winding 3 and excitation winding 4.It reduces between armature winding and excitation winding
Mutual inductance, because one stator without winding in interval, has physical isolation between phase and phase, the turn-to-turn avoided between phase and phase is short
Road increases the fault-tolerance of motor.The motor is A, B, C, D, E, the cathode difference of this five phase respectively with the presence of five phase armature winding
It is X, Y, Z, W, M, the winding mode of armature winding is as shown in Figure 1.Armature winding 3 and excitation winding 4 collectively form novel biconvex
Pole electric power generation system.
The rectification circuit of electricity generation system corresponding with 20/16 structure electric excitation synchronous motor is as shown in Fig. 2, herein with complete
It is illustrated for bridge uncontrollable rectifier circuit, one end of armature winding, which is drawn, to be connected together, another to terminate at full-bridge circuit two
Between diode, A phase winding is connect between diode D1 anode and diode D8 negative terminal, and B phase winding connects in diode D2 anode
Between diode D7 negative terminal, C phase winding is connect between diode D3 anode and diode D6 negative terminal, and D phase winding connects in two poles
Between pipe D4 anode and diode D5 negative terminal.
The initial position of motor is as shown in Figure 1, five phase magnetic linkage of A, B, C, D, E, five opposite potential of A, B, C, D, E as shown in Figure 3
As shown in figure 4, according to winding with the connection type of diode it is found that five phase winding of A, B, C, D, E is corresponding in rotor pole slide-in
Electric energy is exported to load when stator poles, i.e., exports electric energy to load when five phase winding back-emf of A, B, C, D, E is negative, Fig. 5 is not
The rectifier output voltage waveform of filtering.
Compared with prior art, the present invention having a set of armature winding and excitation winding in the stator poles of the motor.Armature around
Group and excitation winding are uniformly wound in stator poles, and there are a stators without winding between each armature winding and excitation winding
Pole can reduce the mutual inductance between armature winding and excitation winding, because one stator without winding in interval, exists between phase and phase
Physical isolation, avoids turn-to-turn short circuit between phase and phase, increases the fault-tolerance of motor.Since excitation winding is evenly distributed and often
The distance of one phase armature winding is identical, and armature winding power output uniformly, generates symmetrical phase magnetic circuit, electromagnetic force equilibrium.And it keeps
Traditional distribution excitation biconvex electrode electric machine, adjustable magnetic is convenient, low in cost, the simple and reliable advantage of rotor structure.
It is convenient that this winding construction and rectifier system are realized, structure is simple, has a good application prospect.
Claims (3)
1. a kind of five phase 5N/4N Polar armatures and the fault-tolerant electric excitation biconvex electrode electric machine of excitation winding, including stator, rotor, feature
Be: being staggeredly wound with set armature winding and excitation winding in the stator poles of the stator, each armature winding and excitation winding it
Between have the stator poles without winding, do not occur armature winding with excitation winding be overlapped, reduction armature winding and excitation around
Mutual inductance between group avoids the turn-to-turn short circuit between armature winding and excitation winding, increases the fault-tolerance of motor.
2. five phases 5N/4N Polar armature according to claim 1 and the fault-tolerant electric excitation biconvex electrode electric machine of excitation winding, feature
Be: the excitation winding and armature winding are evenly distributed in stator poles, since excitation winding is evenly distributed and each phase
The distance of armature winding is identical, makes armature winding power output uniformly, generates symmetrical phase magnetic circuit, electromagnetic force equilibrium.
3. five phases 5N/4N Polar armature according to claim 1 and the fault-tolerant electric excitation biconvex electrode electric machine of excitation winding, feature
Be: one end of the armature winding draws and is connected together, another to terminate between two diodes of full-bridge circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910700228.4A CN110417136A (en) | 2019-07-31 | 2019-07-31 | Five-phase 5N/4N pole armature and excitation winding fault-tolerant electric excitation double salient motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910700228.4A CN110417136A (en) | 2019-07-31 | 2019-07-31 | Five-phase 5N/4N pole armature and excitation winding fault-tolerant electric excitation double salient motor |
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| Publication Number | Publication Date |
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| CN110417136A true CN110417136A (en) | 2019-11-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910700228.4A Pending CN110417136A (en) | 2019-07-31 | 2019-07-31 | Five-phase 5N/4N pole armature and excitation winding fault-tolerant electric excitation double salient motor |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101188366A (en) * | 2007-12-05 | 2008-05-28 | 南京航空航天大学 | Three phase 6k/(4(N+1)k) structure biconvex pole electromotor |
| CN103944288A (en) * | 2014-04-28 | 2014-07-23 | 南京航空航天大学 | Magnetic-circuit-complementation-type stator electrically excited synchronous motor |
| CN106257802A (en) * | 2015-10-30 | 2016-12-28 | 北京精密机电控制设备研究所 | A kind of fault-tolerant motor topological structure |
| CN106549544A (en) * | 2017-01-14 | 2017-03-29 | 山东理工大学 | A kind of four mutually isolate by force brushless DC generator |
| CN109194081A (en) * | 2018-10-31 | 2019-01-11 | 山东理工大学 | The five-phase brushless generator being respectively isolated |
| CN109245370A (en) * | 2018-09-18 | 2019-01-18 | 上海电力学院 | A kind of four phase double-fed electric excitation synchronous motors |
| CN210111710U (en) * | 2019-07-31 | 2020-02-21 | 上海电力大学 | Five-phase 5N/4N pole armature and excitation winding fault-tolerant electric excitation double salient motor |
-
2019
- 2019-07-31 CN CN201910700228.4A patent/CN110417136A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101188366A (en) * | 2007-12-05 | 2008-05-28 | 南京航空航天大学 | Three phase 6k/(4(N+1)k) structure biconvex pole electromotor |
| CN103944288A (en) * | 2014-04-28 | 2014-07-23 | 南京航空航天大学 | Magnetic-circuit-complementation-type stator electrically excited synchronous motor |
| CN106257802A (en) * | 2015-10-30 | 2016-12-28 | 北京精密机电控制设备研究所 | A kind of fault-tolerant motor topological structure |
| CN106549544A (en) * | 2017-01-14 | 2017-03-29 | 山东理工大学 | A kind of four mutually isolate by force brushless DC generator |
| CN109245370A (en) * | 2018-09-18 | 2019-01-18 | 上海电力学院 | A kind of four phase double-fed electric excitation synchronous motors |
| CN109194081A (en) * | 2018-10-31 | 2019-01-11 | 山东理工大学 | The five-phase brushless generator being respectively isolated |
| CN210111710U (en) * | 2019-07-31 | 2020-02-21 | 上海电力大学 | Five-phase 5N/4N pole armature and excitation winding fault-tolerant electric excitation double salient motor |
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