CN106655967A - Three-phase motor energy-saving circuit - Google Patents
Three-phase motor energy-saving circuit Download PDFInfo
- Publication number
- CN106655967A CN106655967A CN201610914941.5A CN201610914941A CN106655967A CN 106655967 A CN106655967 A CN 106655967A CN 201610914941 A CN201610914941 A CN 201610914941A CN 106655967 A CN106655967 A CN 106655967A
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- Prior art keywords
- phase
- unit
- winding coil
- diode
- change switch
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Classifications
-
- 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
- H02P25/00—Arrangements or methods for the control of AC motors characterised by the kind of AC motor or by structural details
- H02P25/02—Arrangements or methods for the control of AC motors characterised by the kind of AC motor or by structural details characterised by the kind of motor
- H02P25/08—Reluctance motors
- H02P25/086—Commutation
- H02P25/089—Sensorless control
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Control Of Motors That Do Not Use Commutators (AREA)
Abstract
The invention relates to the motor circuit field and discloses a three-phase motor energy-saving circuit, which comprises a first unit, a second unit and a third unit, which are connected in parallel with each other. The first unit comprises a first unit electronic power supply switch, a first unit motor winding coil, a first unit phase-change switch circuit and a first unit rectifying circuit. The second unit comprises a second unit electronic power supply switch, a second unit motor winding coil, a second unit phase-change switch circuit and a second unit rectifying circuit. The third unit comprises a third unit electronic power supply switch, a third unit motor winding coil, a third unit phase-change switch circuit and a third unit rectifying circuit. The three-phase motor energy-saving circuit can make full use of back electromotive force energy, thereby saving energy and power and increasing endurance mileage of an electric vehicle.
Description
Technical field
The invention belongs to motor circuit field.More particularly to a kind of threephase motor energy-saving circuit.
Background technology
Motor is a kind of a kind of device that can convert electrical energy into mechanical energy.Because of its good speed adjusting performance in electricity
Power is used widely in dragging.With the continuous consumption of natural resources, the awareness of saving energy of people in recent years is constantly strengthened, each
In individual field, how people make full use of energy in research, reach energy-conservation purpose.
Particularly in automotive field, because gasoline, Diesel engine are needed using non-renewable natural resources as power
Source, inadequate energy-conserving and environment-protective, therefore the research in recent years with regard to electric motor car is more and more.
But in existing pure electric vehicle field, the following defect of generally existing of motor：Electric motor car is in running
In cannot reclaim the electric energy of electric energy or recovery very little, and the electric energy storage of existing electrokinetic cell is extremely limited, causes electricity
The course continuation mileage of motor-car is very short, it is impossible to be continuously finished long-distance task, seriously constrains the work efficiency and electric motor car of people
Development.Therefore need badly develop it is a kind of can in electric motor car running energy saving motor circuit.
The content of the invention
In order to solve above-mentioned technical problem, the invention provides a kind of threephase motor energy-saving circuit, is mainly used in concentrating
The reluctance motor of formula winding.The threephase motor energy-saving circuit of the present invention saves can the energy saving motor of centralized winding
Electricity, increase course continuation mileage.
The present invention concrete technical scheme be：A kind of threephase motor energy-saving circuit, it is characterised in that：Including being mutually in parallel
First module, second unit and Unit the 3rd；The first module includes first module electronic power switch, first module electricity
Motivation winding coil, first module phase-change switch circuit and first module rectification circuit；The second unit includes second unit
Electronic power switch, second unit motor winding coil, second unit phase-change switch circuit and second unit rectification circuit；Institute
Unit the 3rd is stated including the 3rd unit electronic power switch, the 3rd unit motor winding coil, the 3rd unit phase-change switch electricity
Road and the 3rd unit rectification circuit；；
The first module electronic power switch includes the 3rd switching diode；The first module motor winding coil
Including the first phase winding coil；The first module phase-change switch circuit includes that the first commutation signal input, the first commutation are opened
Close triode；The first module rectification circuit includes the first commutation diode, the second commutation diode；The second unit electricity
Sub- power switch includes second switch diode；The second unit motor winding coil includes the second phase winding coil；Institute
State second unit phase-change switch circuit including the second commutation signal input, the second phase-change switch triode,；The second unit
Rectification circuit includes the 3rd commutation diode, the 4th commutation diode；The 3rd unit electronic power switch includes that first opens
Close diode；The 3rd unit motor winding coil includes third phase winding coil；The 3rd unit phase-change switch electricity
Road includes the 3rd commutation signal input, the 3rd phase-change switch triode；The 3rd unit rectification circuit includes the 5th rectification
Diode, the 6th commutation diode.
The positive pole of the first switch diode connects with the positive pole of the positive pole of second switch diode, the 3rd switching diode
It is connected with DC power supply positive pole after connecing；The first end of the first phase winding coil connects with the negative pole of the 3rd switching diode
Connect, the second end of the first phase winding coil negative pole, positive pole of the second commutation diode respectively with first commutation diode
Connection, the negative pole of the second commutation diode be connected with the negative pole of second switch diode after with the second phase winding coil the
Connect one end；Second end of the second phase winding coil respectively with negative pole, the 4th commutation diode of the 3rd commutation diode
Positive pole connection；The negative pole of the 4th commutation diode be connected with the negative pole of first switch diode after with the third phase winding wire
The first end series connection of circle；Second end of third phase winding coil respectively with negative pole, the 6th rectification of the 5th commutation diode
The positive pole connection of diode；The first end of the negative pole of the 6th commutation diode and the first phase winding coil, the 3rd switching diode
Negative pole connection；The positive pole of the first commutation diode, the positive pole of the 3rd commutation diode, the positive pole connection of the 5th commutation diode
It is connected with DC power supply negative pole afterwards；
It is the collector and emitter of the first phase-change switch triode the second end respectively with the first phase winding coil, straight
Stream power supply negative pole connection, the first commutation signal input is connected with the base stage of the first phase-change switch triode；It is described
The collector and emitter of the second phase-change switch triode the second end respectively with the second phase winding coil, DC power supply are born
Pole connects, and the second commutation signal input is connected with the base stage of the second phase-change switch triode；3rd phase-change switch
The collector and emitter of triode the second end respectively with third phase winding coil, DC power supply negative pole are connected, described
3rd commutation signal input is connected with the base stage of the 3rd phase-change switch triode.
Preferably, the threephase motor energy-saving circuit is altogether including including first module, second unit and Unit the 3rd
Unit at least four；And it is in parallel between each unit.
Preferably, the first phase-change switch triode, the second phase-change switch triode, the 3rd commutation are opened
Close triode and be respectively the first FET, the second FET, the 3rd FET.
Preferably, the first phase-change switch triode, the second phase-change switch triode, the 3rd commutation are opened
Close triode and be respectively an IGBT insulated gate bipolar transistors, the 2nd IGBT insulated gate bipolar transistors, the 3rd IGBT
Insulated gate bipolar transistor.
It is characteristic of the invention that：
1st, the magnetic energy of the first phase winding coil storage is converted into electric energy to the second phase winding coil power supply, the second phase winding line
The magnetic energy of circle storage is converted into electric energy and powers to third phase winding coil, and the magnetic energy of third phase winding coil storage is converted into electric energy
To the first phase winding coil power supply.
2nd, threephase motor, direct current supply all the way three road direct current supply lines are converted into；Four-phase motor, straight all the way
Stream power supply is converted into four road direct current supply lines, and other are by that analogy.
3rd, suitable for centralized winding motor.
The principle of the present invention is specially：
Using commutation mode one by one, when the first commutation signal input receives the first commutation signal, the first phase winding line
Circle is powered through the 3rd switching diode, the first phase-change switch triode ON, the reverse-biased cut-off of the second commutation diode, Zhi Dao
When two commutation signal inputs receive the second commutation signal, the second phase-change switch triode ON, while the first phase-change switch three
Second terminal voltage of moment the first phase winding coil of pole pipe cut-off is raised, the conducting of the second commutation diode, the pole of second switch two
Manage reverse-biased cut-off, the second phase winding coil by the first phase winding coil power supply, through the second phase-change switch triode, the 5th rectification
Diode, the 6th commutation diode return to the first phase winding coil, until the first phase winding coil discharge is completed, second switch
Diode current flow, the second phase winding coil is powered again through second switch diode, until the 3rd commutation signal input is received
During three commutation signals, the 3rd phase-change switch triode ON, while the phase of moment second of the second phase-change switch triode cut-off
Second terminal voltage of winding coil is raised, the conducting of the 4th commutation diode, the reverse-biased cut-off of first switch diode, third phase winding
Coil by the second phase winding coil power supply, through the 3rd phase-change switch triode, the first commutation diode, the second commutation diode
The second phase winding coil is returned to, until the second phase winding coil discharge is completed, first switch diode current flow, third phase winding
Coil is powered again through first switch diode, and when the first commutation signal input receives the first commutation signal, first changes
Phase switch triode is turned on, while the second terminal voltage liter of the moment third phase winding coil of the 3rd phase-change switch triode cut-off
Height, the 6th commutation diode conducting, the reverse-biased cut-off of the 3rd switching diode, the first phase winding coil is supplied by third phase winding coil
Electricity, through the first phase-change switch triode, the 3rd commutation diode, the 4th commutation diode third phase winding coil is returned to,
Until the electric discharge of third phase winding coil is completed, the conducting of the 3rd switching diode completes the energy-conservation process in a cycle.
It is compared with the prior art, the invention has the beneficial effects as follows：The threephase motor energy-saving circuit of the present invention can be abundant
Using the counter electromotive force in winding coil, energy saving motor power saving is made, and electric motor car course continuation mileage can be increased.
Description of the drawings
Fig. 1 is the circuit connection diagram of embodiment 1；
Fig. 2 is the three-phase commutation signal sequential chart of embodiment 1.
Reference is：First switch diode 1, second switch diode 2, the 3rd switching diode 3, the first phase winding
Coil 4, the first commutation signal input 5, the first phase-change switch triode 6, the first commutation diode 7, the second commutation diode
8th, the second phase winding coil 9, the second commutation signal input 10, the second phase-change switch triode 11, the 3rd commutation diode 12,
4th commutation diode 13, third phase winding coil 14, the 3rd commutation signal input 15, the 3rd phase-change switch triode 16,
5th commutation diode 17, the 6th commutation diode 18, the first commutation signal 101, the second commutation signal 102, the 3rd commutation letter
First end U1 of number the 103, first phase winding coil, the second end U2 of the first phase winding coil, the first of the second phase winding coil
End V1, the second end V2 of the second phase winding coil, first end W1 of third phase winding coil, the second end of third phase winding coil
W2。
Specific embodiment
With reference to embodiment, the invention will be further described.
Embodiment 1
As shown in Figure 1：A kind of threephase motor energy-saving circuit, including the first module, second unit being mutually in parallel and
Unit three；The first module includes that first module electronic power switch, first module motor winding coil, first module are changed
Phase switch circuit and first module rectification circuit；The second unit includes second unit electronic power switch, second unit electricity
Motivation winding coil, second unit phase-change switch circuit and second unit rectification circuit；Unit the 3rd includes Unit the 3rd
Electronic power switch, the 3rd unit motor winding coil, the 3rd unit phase-change switch circuit and the 3rd unit rectification circuit.
The first module electronic power switch includes the 3rd switching diode 3；The first module motor winding wire
Circle includes the first phase winding coil 4；The first module phase-change switch circuit includes that the first commutation signal input 5, first are changed
Phase switch triode 6；The first module rectification circuit includes the first commutation diode 7, the second commutation diode 8；Described
Two unit electronic powers switch includes second switch diode 2；The second unit motor winding coil include second around
Group coil 9；The second unit phase-change switch circuit includes the second commutation signal input 10, the second phase-change switch triode
11；The second unit rectification circuit includes the 3rd commutation diode 12, the 4th commutation diode 13；The 3rd unit electronics
Power switch includes first switch diode 1；The 3rd unit motor winding coil includes third phase winding coil 14；Institute
The 3rd unit phase-change switch circuit is stated including the 3rd commutation signal input 15, the 3rd phase-change switch triode 16；Described 3rd
Unit rectification circuit includes the 5th commutation diode 17, the 6th commutation diode 18.
The positive pole of the first switch diode connects with the positive pole of the positive pole of second switch diode, the 3rd switching diode
It is connected with DC power supply positive pole after connecing；First end U1 of the first phase winding coil and the negative pole of the 3rd switching diode
Connection, the second end U2 of the first phase winding coil negative pole respectively with first commutation diode, the second commutation diode
Positive pole connect, the negative pole of the second commutation diode be connected with the negative pole of second switch diode after with the second phase winding coil
First end V1 series connection；It is second end V2 of the second phase winding coil negative poles respectively with the 3rd commutation diode, the 4th whole
The positive pole connection of stream diode；The negative pole of the 4th commutation diode be connected with the negative pole of first switch diode after with the described 3rd
The first end W1 series connection of phase winding coil；Second end W2 of third phase winding coil is negative with the 5th commutation diode respectively
Pole, the positive pole connection of the 6th commutation diode；The first end of the negative pole of the 6th commutation diode and the first phase winding coil, the 3rd
The negative pole connection of switching diode；The positive pole of the first commutation diode, the positive pole of the 3rd commutation diode, the 5th commutation diode
Positive pole connection after be connected with DC power supply negative pole.
It is the collector and emitter of the first phase-change switch triode the second end respectively with the first phase winding coil, straight
Stream power supply negative pole connection, the first commutation signal input is connected with the base stage of the first phase-change switch triode；It is described
The collector and emitter of the second phase-change switch triode the second end respectively with the second phase winding coil, DC power supply are born
Pole connects, and the second commutation signal input is connected with the base stage of the second phase-change switch triode；3rd phase-change switch
The collector and emitter of triode the second end respectively with third phase winding coil, DC power supply negative pole are connected, described
3rd commutation signal input is connected with the base stage of the 3rd phase-change switch triode.
The principle of the present embodiment is specially：
With reference to Fig. 1, Fig. 2, using commutation mode one by one, when the first commutation signal input receives the first commutation signal 101
When, the first phase winding coil is powered through the 3rd switching diode, the first phase-change switch triode ON, the second commutation diode
Reverse-biased cut-off, when the second commutation signal input receives the second commutation signal 102, the second phase-change switch triode ON,
Second terminal voltage of moment the first phase winding coil of the first phase-change switch triode cut-off simultaneously is raised, the second commutation diode
Conducting, the reverse-biased cut-off of second switch diode, the second phase winding coil is opened by the first phase winding coil power supply through the second commutation
Close triode, the 5th commutation diode, the 6th commutation diode and return to the first phase winding coil, until the first phase winding coil
Electric discharge is completed, second switch diode current flow, and the second phase winding coil is powered again through second switch diode, is changed until the 3rd
When phase signals input receives three commutation signals 103, the 3rd phase-change switch triode ON, while the pole of the second phase-change switch three
Second terminal voltage of moment the second phase winding coil of pipe cut-off is raised, the conducting of the 4th commutation diode, first switch diode
Reverse-biased cut-off, third phase winding coil by the second phase winding coil power supply, through the 3rd phase-change switch triode, the first rectification two
Pole pipe, the second commutation diode return to the second phase winding coil, until the second phase winding coil discharge is completed, first switch two
Pole pipe is turned on, and third phase winding coil powers again through first switch diode, until the first commutation signal input receives the
During one commutation signal 101, the first phase-change switch triode ON, while the moment third phase of the 3rd phase-change switch triode cut-off
Second terminal voltage of winding coil is raised, the conducting of the 6th commutation diode, the reverse-biased cut-off of the 3rd switching diode, the first phase winding
Coil is powered by third phase winding coil, through the first phase-change switch triode, the 3rd commutation diode, the 4th commutation diode
Third phase winding coil is returned to, until the electric discharge of third phase winding coil is completed, the conducting of the 3rd switching diode completes a cycle
Energy-conservation process.
Embodiment 2
The present embodiment is that the first phase-change switch triode, second commutation are opened with the difference of embodiment 1
Close triode, the 3rd phase-change switch triode and be respectively the first FET, the second FET, the 3rd FET.
Embodiment 3
The present embodiment is that the first phase-change switch triode, second commutation are opened with the difference of embodiment 1
Close triode, the 3rd phase-change switch triode and be respectively an IGBT insulated gate bipolar transistors, the 2nd IGBT insulation
Grid bipolar transistor, the 3rd IGBT insulated gate bipolar transistors.
Raw materials used in the present invention, equipment, unless otherwise noted, is the conventional raw material, equipment of this area；In the present invention
Method therefor, unless otherwise noted, is the conventional method of this area.
The above, is only presently preferred embodiments of the present invention, and not the present invention is imposed any restrictions, every according to the present invention
Any simple modification, change and equivalent transformation that technical spirit is made to above example, still fall within the technology of the present invention side
The protection domain of case.
Claims (4)
1. a kind of threephase motor energy-saving circuit, it is characterised in that：Including the first module, second unit and the 3rd that are mutually in parallel
Unit；The first module includes first module electronic power switch, first module motor winding coil, first module commutation
On-off circuit and first module rectification circuit；The second unit includes that second unit electronic power switch, second unit are electronic
Machine winding coil, second unit phase-change switch circuit and second unit rectification circuit；Unit the 3rd includes the electricity of Unit the 3rd
Sub- power switch, the 3rd unit motor winding coil, the 3rd unit phase-change switch circuit and the 3rd unit rectification circuit；
The first module electronic power switch includes the 3rd switching diode (3)；The first module motor winding coil
Including the first phase winding coil (4)；The first module phase-change switch circuit include the first commutation signal input (5), first
Phase-change switch triode (6)；The first module rectification circuit includes the first commutation diode (7), the second commutation diode
(8)；The second unit electronic power switch includes second switch diode (2)；The second unit motor winding coil
Including the second phase winding coil (9)；The second unit phase-change switch circuit include the second commutation signal input (10), second
Phase-change switch triode (11)；The second unit rectification circuit includes the 3rd commutation diode (12), the 4th commutation diode
(13)；The 3rd unit electronic power switch includes first switch diode (1)；The 3rd unit motor winding coil
Including third phase winding coil (14)；The 3rd unit phase-change switch circuit include the 3rd commutation signal input (15), the
Three phase-change switch triodes (16)；The 3rd unit rectification circuit includes the 5th commutation diode (17), the pole of the 6th rectification two
Pipe (18)；
After the positive pole of the first switch diode is connected with the positive pole of the positive pole of second switch diode, the 3rd switching diode
It is connected with DC power supply positive pole；The first end of the first phase winding coil is connected with the negative pole of the 3rd switching diode,
Second end of the first phase winding coil negative pole, the positive pole company of the second commutation diode respectively with first commutation diode
Connect, the negative pole of the second commutation diode be connected with the negative pole of second switch diode after with the second phase winding coil first
End series connection；Second end of the second phase winding coil negative pole respectively with the 3rd commutation diode, the 4th commutation diode
Positive pole connects；The negative pole of the 4th commutation diode be connected with the negative pole of first switch diode after with the third phase winding coil
First end series connection；Second end of third phase winding coil respectively with negative pole, the 6th rectification two of the 5th commutation diode
The positive pole connection of pole pipe；The first end of the negative pole of the 6th commutation diode and the first phase winding coil, the 3rd switching diode are born
Pole connects；The positive pole of the first commutation diode, the positive pole of the 3rd commutation diode, the 5th commutation diode positive pole connection after with
DC power supply negative pole connects；
The second end, the direct current confession respectively with the first phase winding coil of the collector and emitter of the first phase-change switch triode
Electric power cathode connection, the first commutation signal input is connected with the base stage of the first phase-change switch triode；Described second
The collector and emitter of phase-change switch triode the second end, DC power supply negative pole company respectively with the second phase winding coil
Connect, the second commutation signal input is connected with the base stage of the second phase-change switch triode；The pole of 3rd phase-change switch three
The collector and emitter of pipe the second end respectively with third phase winding coil, DC power supply negative pole are connected, and the described 3rd
Commutation signal input is connected with the base stage of the 3rd phase-change switch triode.
2. threephase motor energy-saving circuit as claimed in claim 1, it is characterised in that：Include first module, second unit altogether
With Unit the 3rd in interior Unit at least four；And it is in parallel between each unit.
3. threephase motor energy-saving circuit as claimed in claim 1, it is characterised in that the first phase-change switch triode,
The second phase-change switch triode, the 3rd phase-change switch triode be respectively the first FET, the second FET,
3rd FET.
4. threephase motor energy-saving circuit as claimed in claim 1, it is characterised in that the first phase-change switch triode,
The second phase-change switch triode, the 3rd phase-change switch triode are respectively an IGBT insulated gate bipolar crystal
Pipe, the 2nd IGBT insulated gate bipolar transistors, the 3rd IGBT insulated gate bipolar transistors.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610914941.5A CN106655967A (en) | 2016-10-20 | 2016-10-20 | Three-phase motor energy-saving circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610914941.5A CN106655967A (en) | 2016-10-20 | 2016-10-20 | Three-phase motor energy-saving circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106655967A true CN106655967A (en) | 2017-05-10 |
Family
ID=58856036
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610914941.5A Withdrawn CN106655967A (en) | 2016-10-20 | 2016-10-20 | Three-phase motor energy-saving circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106655967A (en) |
-
2016
- 2016-10-20 CN CN201610914941.5A patent/CN106655967A/en not_active Withdrawn
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20170510 |
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| WW01 | Invention patent application withdrawn after publication |