CN109742876A - A kind of six phase switch reluctance motor driven systems - Google Patents
A kind of six phase switch reluctance motor driven systems Download PDFInfo
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- CN109742876A CN109742876A CN201910164931.8A CN201910164931A CN109742876A CN 109742876 A CN109742876 A CN 109742876A CN 201910164931 A CN201910164931 A CN 201910164931A CN 109742876 A CN109742876 A CN 109742876A
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- 238000004804 winding Methods 0.000 claims abstract description 41
- 230000002093 peripheral effect Effects 0.000 claims abstract description 7
- 238000010586 diagram Methods 0.000 description 5
- 230000015572 biosynthetic process Effects 0.000 description 3
- 239000003990 capacitor Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000010349 pulsation Effects 0.000 description 2
- 238000003786 synthesis reaction Methods 0.000 description 2
- 238000011217 control strategy Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002459 sustained effect Effects 0.000 description 1
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Abstract
The invention belongs to technical field of switch reluctance motor, are related to a kind of six phase switch reluctance motor driven systems, including motor body, position coder, driving circuit and control circuit；The position coder coaxially couples with the motor body；The motor body is connect with driving circuit；The driving circuit is connected with the control circuit.By being configured to upper-part: the control circuit for receiving peripheral operation signal by controlling conduction mode and the turn-on time of driving circuit to realize the energized state of control winding, and then controls revolving speed and the steering of six phase switch reluctance motors.Six phase switch reluctance electric systems of the invention propose the rotor number of poles cooperation rule of six phase switch reluctance motors；Six are conducted is conducted than three can increase the alternate torque superposition overlapping conducting time, generated when simultaneously turning on by multiphase, and motor torque ripple can be obviously reduced；Have that motor down-lead is few simultaneously, driving circuit advantage at low cost.
Description
Technical field
The present invention relates to six phase switch reluctance motors, especially a kind of six phase switch reluctance motor driven systems belong to out
Close reluctance motor technical field.
Background technique
With the development of power electronic technique, computer technology, switched reluctance motor system industrial circle application by
To unprecedented attention.Switched reluctance motor system is mainly made of switched reluctance machines and switched reluctance motor controller.
Switched reluctance machines include motor body, and common motor body has 4/2 pole two-phase, 6/2 pole three-phase, 6/4 pole three-phase, 12/8 pole
Three-phase, 8/6 pole four are equal.Since the electric system of different number of phases difference numbers of poles has different control strategies and different performances
Performance, the smaller then system structure of the number of phases of switched reluctance machines is simpler, but its motor torque ripple and noise are larger, this
Certain special occasions are difficult to meet performance requirement；For these reasons, need to invent a kind of six novel phase switch reluctance motors
System.
Summary of the invention
It is an object of the invention to overcome problems of the prior art, a kind of six phase switch reluctance motor drivens are provided
System, the drive system are conducted when can increase alternate overlapping conducting by improving coil windings mode, driving circuit driving six
Between, motor torque ripple, while motor down-lead number can be obviously reduced in the torque superposition generated when being simultaneously turned on by multiphase
Few, main circuit switch device count is few, and at low cost, system economy is good.
To realize the above technical purpose, the technical scheme is that a kind of six phase switch reluctance motor driven systems,
It is characterized in that, including
Six-phase motor ontology is wound with six phase coil windings on the stator of the six-phase motor ontology；
Position coder, the position coder and six-phase motor ontology are coaxially connected；
Driving circuit, the driving circuit are connect with six phase coil windings；
Control circuit, the control circuit are connect with position coder signal, while receiving peripheral operation signal, with driving circuit
Connection, and export control signal.
Further, the stator of the six phase switch reluctances motor and rotor are double salient-pole electric machine, six phase switch reluctances
The rotor number of poles matching relationship of motor are as follows:
Stator poles Ns=2mK1
Rotor number of poles Nr=2 K1* (K2M ± 1)
Wherein m represents the number of phases, six-phase motor m=6；K1And K2All take positive integer (1,2,3,……)；
From the above rotor number of poles matching relationship it is found that with the possible rotor number of poles of six phase switch reluctance motors are as follows: 12/
14,12/10,12/26,12/22,24/28,24/20,24/52,24/44,……。
Further, work as K1When=1, stator poles 12 have a line in each stator poles of the six-phase motor ontology
Circle, often the coil at a distance of six pole is mutually connected into a phase winding, and the magnetic pole that when energization is formed is reversed polarity, shares six phase windings,
Form six phase coil windings.
Further, every phase winding of the six phase coils winding has a head end and a tail end, and the six of six phase windings
A head end is connected to form 1 upper lead end Tcom；Six tail ends of six phase windings are drawn respectively, and 6 lower lead end TA of formation ~
TF；The six-phase motor ontology shares 7 lead ends.
Further, the driving circuit is connect with power supply；
When the power supply is Alternating Current Power Supply, the driving circuit includes rectification circuit and inverter circuit；
When the power supply is direct current supply, the driving circuit includes inverter circuit.
Further, the inverter circuit includes six phase bridge arm circuits, and each phase bridge arm circuit includes 1 power switch
Element and 1 freewheeling diode.
Further, the DC bus positive polarity of the driving circuit terminates the upper lead end Tcom of six phase coil windings；
Lower lead end 1 power switch component of series connection of each phase winding is followed by DC bus negative polarity end；Each phase winding simultaneously
Lower lead end the input terminal of DC/DC converter, the output end of the DC/DC converter are connected to by 1 freewheeling diode
Connect DC bus positive ends.
The invention has the following advantages that
1) as shown in figure 3, being the torque synthetic effect figure of conventional three-phase switched reluctance machines, the alternate overlapping of three-phase coil winding is led
The logical time is shorter, and can only simultaneously turn on two-phase, and the overlapping portion for simultaneously turning on alternate torque is less, and therefore, three-phase motor turns
Square pulsation is larger；As shown in figure 4, for the torque synthetic effect figure of six phase switch reluctance motors of the invention, six phase lines of the invention
Circle winding conducting can increase the alternate overlapping conducting time, and can simultaneously turn on three-phase, simultaneously turn on the superposition portion of alternate torque
Divide more, due to the superposition of alternate torque, motor torque ripple can be obviously reduced, and the fluctuation of torque pulsation is smaller；
2) compared with conventional six phase switch reluctance electric systems, conventional six phase switch reluctance electric systems, six phase coil winding draws
Line number amount, the power switch component number of driving circuit, driving circuit number of diodes be 12, six phase coils of the invention around
The number of leads of group is few (7), and the power switch component quantity of driving circuit is few (7), and the number of diodes of driving circuit is few
(7), therefore, driving circuit is at low cost；
3) six phase switch reluctances electric system speed-regulating range width disclosed in this invention can both work in low speed permanent torque area,
It can work in high speed invariable power area.
Detailed description of the invention
Fig. 1 is the structural block diagram of six phase switch reluctance electric machine control systems of the invention；
Fig. 2 is that 12/14 pole, six phase switch reluctance motor overlooking structure diagram (only draws a phase line in the embodiment of the present invention in figure
Enclose winding).
Fig. 3 is each phase torque synthesis schematic diagram of existing three-phase switch reluctance machine.
Fig. 4 is each phase torque synthesis schematic diagram of six phase switch reluctance motors of the invention.
Fig. 5 is the circuit diagram of 12/14 pole, six phase switch reluctance motor-drive circuit in the embodiment of the present invention.
Description of symbols: 1- six-phase motor ontology, 2- position coder, 3- driving circuit, 4- control circuit, outside 5-
Operation signal, 6- power supply, 7- stator, 8- rotor, six phase coil winding of 9-, 10-DC/DC converter.
Specific embodiment
Below with reference to specific drawings and examples, the invention will be further described.
Embodiment one:
As depicted in figs. 1 and 2, by taking 12/14 pole, six phase switch reluctance motor as an example, six Xiang Kaiguan of one kind that is proposed in the present embodiment
Reluctance motor driving system, six-phase motor ontology 1 are wound with six phase coil windings on the stator 7 of the six-phase motor ontology 1
9；
Position coder 2, the position coder 2 and six-phase motor ontology 1 are coaxially connected；
Driving circuit 3, the driving circuit 3 are connect with six phase coil windings 9；
Control circuit 4, the control circuit 4 is connect with 2 signal of position coder, while receiving peripheral operation signal 5, with driving
Circuit 3 connects, and exports control signal.
The stator 7 and rotor 8 of the six-phase motor ontology 1 are double salient-pole electric machine, and the number of 7 salient pole of stator is 12, are turned
The number of sub 8 salient poles is 14；There are a coil, the line often away from six pole in 12 stator poles of the six-phase motor ontology 1
Circle is connected to a phase winding, shares six phase windings, and every phase winding is powered the magnetic pole to be formed as reversed polarity.
The driving circuit 3 is connect with power supply 6, and the power supply 6 is alternating current or direct current；；The power supply
When power supply 6 is alternating current, the driving circuit 3 includes rectification circuit and inverter circuit, and the rectification circuit is used for alternating current
Be converted to direct current；When the power supply 6 is direct current, the driving circuit 3 only includes inverter circuit；
Power supply 6 is direct current in the present embodiment, and the driving circuit 3 includes inverter circuit, and the inverter circuit includes six
Phase bridge arm circuit, and each phase bridge arm circuit includes a power switch component and a freewheeling diode；
As shown in figure 5, the DC bus positive ends V of the six phases driving circuitS+ connect the upper lead ends of six phase coil windings 9
(Tcom)；The lower lead end (TA ~ TF) of each phase coil winding is connected respectively, and to be followed by DC bus negative for 1 power switch component
Polar end VS-；The lower lead end of each phase coil winding is connected to DC/DC converter 10 by 1 freewheeling diode simultaneously
The output of input terminal, DC/DC converter 10 terminates DC bus positive ends VS+；
Specifically: six phase coil windings 9 are respectively A, B, C, D, E, F, and the upper lead end of six phase coil windings 9 is connected to one and draws
Outlet Tcom, upper lead end Tcom meet DC bus positive ends VS+, lower lead end is respectively the end TA, TB, TC, TD, TE, TF,
And connect respectively with the collector of power switch tube Q1, Q2, Q3, Q4, Q5, Q6, power switch tube Q1, Q2, Q3, Q4, Q5, Q6's
Emitter meets DC bus negative polarity end VS, freewheeling diode is connect respectively with the end lead end TA, TB, TC, TD, TE, TF at present
The anode of D1, D2, D3, D4, D5, D6, sustained diode 1, D2, D3, D4, D5, D6 cathode connect the defeated of DC/DC converter 10
Enter end, the output of DC/DC converter 10 terminates DC bus positive ends VS+；
The DC/DC converter 10 includes inductance Ld, switching tube Qd, diode Dd, the switching tube QdCurrent collection extremely DC/DC
The input terminal of converter 10, the switching tube QdEmitter and inductance LdOne end connection, inductance LdThe other end be DC/DC
The output end of converter 10, while the positive plate of capacitor C is connect, the cathode of the capacitor C meets DC bus negative polarity end VS, institute
State switching tube QdEmitter meet diode DdCathode, the diode DdAnode meet DC bus negative polarity end VS, together
When pass through capacitor CdMeet switching tube QdCollector.
The operation principle of the present invention is that control circuit 4 receives peripheral operation signal 5, peripheral operation signal 5 is used for control
Circuit 4 issues the instructions such as the starting of six-phase motor ontology 1, stopping, steering, revolving speed or torque, and the position coder 2 acquires described
The turn signal (such as angle position, revolving speed and steering) of six-phase motor ontology 1, and acquisition data are sent to control circuit 4, it controls
Circuit 4 processed passes through the signal of acquisition position encoder 2, operation is carried out in conjunction with received peripheral operation signal, according to operation result
The six-phase motor ontology 1 is controlled；
Specific control method is that the instruction after operation is sent to driving circuit 3 by control circuit 4, passes through control driving circuit 3
Conduction mode and turn-on time to realize the energized state of six phase coil windings 9 of control, and then control six-phase motor ontology 1
Revolving speed and steering.Wherein, the power supply of driving circuit 3 is provided by power supply 6.
The present invention and its embodiments have been described above, description is not limiting, it is shown in the drawings also only
It is one of embodiments of the present invention, practical structures are not limited thereto.All in all if those skilled in the art
It is enlightened by it, without departing from the spirit of the invention, is not inventively designed similar with the technical solution
Frame mode and embodiment, are within the scope of protection of the invention.
Claims (7)
1. a kind of six phase switch reluctance motor driven systems, which is characterized in that including
Six-phase motor ontology (1) is wound with six phase coil windings (9) on the stator (7) of the six-phase motor ontology (1)；
Position coder (2), the position coder (2) and six-phase motor ontology (1) are coaxially connected；
Driving circuit (3), the driving circuit (3) connect with six phase coil windings (9)；
Control circuit (4), the control circuit (4) connect with position coder (2) signal, while receiving peripheral operation signal
(5), it is connect with driving circuit (3), and exports control signal.
2. a kind of six phase switch reluctances motor driven systems according to claim 1, which is characterized in that six Xiang Kaiguan
The stator (7) and rotor (8) of reluctance motor are double salient-pole electric machine, the rotor number of poles matching relationship of six phase switch reluctance motors
Are as follows:
Stator poles Ns=2mK1
Rotor number of poles Nr=2 K1* (K2M ± 1)
Wherein m represents the number of phases, six-phase motor m=6；K1And K2All take positive integer (1,2,3,……)；
From the above rotor number of poles matching relationship it is found that with the possible rotor number of poles of six phase switch reluctance motors are as follows: 12/
14,12/10,12/26,12/22,24/28,24/20,24/52,24/44,……。
3. a kind of six phase switch reluctances motor driven systems according to claim 2, which is characterized in that work as K1When=1, stator
Number of poles is 12, has a coil in each stator poles of the six-phase motor ontology (1), often at a distance of the coil phase mutual connection of six pole
At a phase winding, the magnetic pole that when energization is formed is reversed polarity, shares six phase windings, forms six phase coil windings (9).
4. a kind of six phase switch reluctances motor driven systems according to claim 3, which is characterized in that six phase coil
Every phase winding of winding (9) has a head end and a tail end, and six head ends of six phase windings are connected to form 1 upper lead end
Tcom；Six tail ends of six phase windings are drawn respectively, form 6 lower lead end TA ~ TF；The six-phase motor ontology (1) shares 7
A lead end.
5. a kind of six phase switch reluctances motor driven systems according to claim 1, which is characterized in that the driving circuit
(3) it is connect with power supply (6)；
When the power supply (6) is Alternating Current Power Supply, the driving circuit (3) includes rectification circuit and inverter circuit；
When the power supply (6) is direct current supply, the driving circuit (3) includes inverter circuit.
6. a kind of six phase switch reluctances motor driven systems according to claim 5, which is characterized in that
The inverter circuit includes six phase bridge arm circuits, and each phase bridge arm circuit includes 1 power switch component and 1 afterflow
Diode.
7. six phase switch reluctance motor driven systems of one kind according to claim 1 or 6, which is characterized in that
The DC bus positive polarity of the driving circuit (4) terminates the upper lead end Tcom of six phase coil windings (9)；Each phase around
Lower lead end 1 power switch component of series connection of group is followed by DC bus negative polarity end；The lower lead of each phase winding simultaneously
End is connected to the input terminal of DC/DC converter (10), the output end of the DC/DC converter (10) by 1 freewheeling diode
Connect DC bus positive ends.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910164931.8A CN109742876A (en) | 2019-03-05 | 2019-03-05 | A kind of six phase switch reluctance motor driven systems |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910164931.8A CN109742876A (en) | 2019-03-05 | 2019-03-05 | A kind of six phase switch reluctance motor driven systems |
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| Publication Number | Publication Date |
|---|---|
| CN109742876A true CN109742876A (en) | 2019-05-10 |
Family
ID=66369360
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910164931.8A Withdrawn CN109742876A (en) | 2019-03-05 | 2019-03-05 | A kind of six phase switch reluctance motor driven systems |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113296275A (en) * | 2021-06-01 | 2021-08-24 | 佳木斯大学 | Medical image observation lamp box for image department |
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|---|---|---|---|---|
| US4684867A (en) * | 1984-05-31 | 1987-08-04 | General Electric Company | Regenerative unipolar converter for switched reluctance motors using one main switching device per phase |
| CN1492566A (en) * | 2002-10-26 | 2004-04-28 | Lg������ʽ���� | Motor |
| US20050116679A1 (en) * | 2002-05-24 | 2005-06-02 | Virginia Tech Intellectual Properties, Inc. | Apparatus for drive control, power conversion, and start-up control in a PMBDCM or two-phase SRM drive system |
| CN102403860A (en) * | 2010-09-09 | 2012-04-04 | 张世清 | Equal pole single-section and double-section reluctance generator |
| US20130234638A1 (en) * | 2012-03-06 | 2013-09-12 | Shouichi Tanaka | Power converter for driving switched reluctance motor |
| CN203722450U (en) * | 2014-01-26 | 2014-07-16 | 北京中纺锐力机电有限公司 | Six-phase switch reluctance motor system |
| CN104242501A (en) * | 2014-09-28 | 2014-12-24 | 河北工业大学 | Application method of mixed permanent magnets in flux-switching permanent magnet motor |
| CN104539206A (en) * | 2014-12-30 | 2015-04-22 | 中国计量学院 | Offshore large direct-drive switch reluctance wind driven generator power converter and system thereof |
| CN105356679A (en) * | 2015-11-09 | 2016-02-24 | 江苏大学 | Design method of flux-switching outer rotor motor based on electric heating two-way coupling |
| CN105356703A (en) * | 2015-10-28 | 2016-02-24 | 南京航空航天大学 | Fault tolerance system of six-phase switch reluctance motor and control method thereof |
| CN106772155A (en) * | 2016-12-20 | 2017-05-31 | 江苏大学 | A kind of method for rapidly judging of switched reluctance machines pole polarity |
-
2019
- 2019-03-05 CN CN201910164931.8A patent/CN109742876A/en not_active Withdrawn
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4684867A (en) * | 1984-05-31 | 1987-08-04 | General Electric Company | Regenerative unipolar converter for switched reluctance motors using one main switching device per phase |
| US20050116679A1 (en) * | 2002-05-24 | 2005-06-02 | Virginia Tech Intellectual Properties, Inc. | Apparatus for drive control, power conversion, and start-up control in a PMBDCM or two-phase SRM drive system |
| CN1492566A (en) * | 2002-10-26 | 2004-04-28 | Lg������ʽ���� | Motor |
| CN102403860A (en) * | 2010-09-09 | 2012-04-04 | 张世清 | Equal pole single-section and double-section reluctance generator |
| US20130234638A1 (en) * | 2012-03-06 | 2013-09-12 | Shouichi Tanaka | Power converter for driving switched reluctance motor |
| CN203722450U (en) * | 2014-01-26 | 2014-07-16 | 北京中纺锐力机电有限公司 | Six-phase switch reluctance motor system |
| CN104242501A (en) * | 2014-09-28 | 2014-12-24 | 河北工业大学 | Application method of mixed permanent magnets in flux-switching permanent magnet motor |
| CN104539206A (en) * | 2014-12-30 | 2015-04-22 | 中国计量学院 | Offshore large direct-drive switch reluctance wind driven generator power converter and system thereof |
| CN105356703A (en) * | 2015-10-28 | 2016-02-24 | 南京航空航天大学 | Fault tolerance system of six-phase switch reluctance motor and control method thereof |
| CN105356679A (en) * | 2015-11-09 | 2016-02-24 | 江苏大学 | Design method of flux-switching outer rotor motor based on electric heating two-way coupling |
| CN106772155A (en) * | 2016-12-20 | 2017-05-31 | 江苏大学 | A kind of method for rapidly judging of switched reluctance machines pole polarity |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113296275A (en) * | 2021-06-01 | 2021-08-24 | 佳木斯大学 | Medical image observation lamp box for image department |
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Application publication date: 20190510 |