CN105897073B - Switched Reluctance Motor - Google Patents
Switched Reluctance Motor Download PDFInfo
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- CN105897073B CN105897073B CN201610345795.9A CN201610345795A CN105897073B CN 105897073 B CN105897073 B CN 105897073B CN 201610345795 A CN201610345795 A CN 201610345795A CN 105897073 B CN105897073 B CN 105897073B
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- 238000001514 detection method Methods 0.000 claims abstract description 39
- 238000001914 filtration Methods 0.000 claims abstract description 25
- 238000009825 accumulation Methods 0.000 claims abstract description 6
- 238000012937 correction Methods 0.000 claims abstract description 6
- 230000003993 interaction Effects 0.000 claims abstract description 4
- 238000005259 measurement Methods 0.000 claims abstract description 4
- 238000006243 chemical reaction Methods 0.000 claims description 12
- 238000012360 testing method Methods 0.000 claims description 4
- 238000012545 processing Methods 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims 2
- 230000008878 coupling Effects 0.000 abstract description 2
- 238000010168 coupling process Methods 0.000 abstract description 2
- 238000005859 coupling reaction Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 238000013528 artificial neural network Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- 239000004753 textile Substances 0.000 description 1
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Classifications
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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
- H02P6/00—Arrangements for controlling synchronous motors or other dynamo-electric motors using electronic commutation dependent on the rotor position; Electronic commutators therefor
- H02P6/08—Arrangements for controlling the speed or torque of a single motor
-
- 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
- H02P6/00—Arrangements for controlling synchronous motors or other dynamo-electric motors using electronic commutation dependent on the rotor position; Electronic commutators therefor
- H02P6/06—Arrangements for speed regulation of a single motor wherein the motor speed is measured and compared with a given physical value so as to adjust the motor speed
-
- 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
- H02P6/00—Arrangements for controlling synchronous motors or other dynamo-electric motors using electronic commutation dependent on the rotor position; Electronic commutators therefor
- H02P6/08—Arrangements for controlling the speed or torque of a single motor
- H02P6/085—Arrangements for controlling the speed or torque of a single motor in a bridge configuration
-
- 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
- H02P6/00—Arrangements for controlling synchronous motors or other dynamo-electric motors using electronic commutation dependent on the rotor position; Electronic commutators therefor
- H02P6/14—Electronic commutators
- H02P6/16—Circuit arrangements for detecting position
-
- 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
- H02P2205/00—Indexing scheme relating to controlling arrangements characterised by the control loops
- H02P2205/01—Current loop, i.e. comparison of the motor current with a current reference
-
- 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
- H02P2205/00—Indexing scheme relating to controlling arrangements characterised by the control loops
- H02P2205/07—Speed loop, i.e. comparison of the motor speed with a speed reference
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Control Of Electric Motors In General (AREA)
Abstract
The present invention provides a kind of Switched Reluctance Motors, including rectification filtering circuit, switched reluctance machines, driver, controller, position detection unit, power supply, current detecting unit, voltage detection unit and torque sensor；Wherein, the power supply, for providing alternating current；The driver is used for the operation of driving switch reluctance motor；The controller gives switched reluctance machines input control signal for realizing human-computer interaction；The position detection unit is used for the rotor position angle of detection switch reluctance motor；The current detecting unit, for measuring phase current；The voltage detection unit, for measuring phase voltage；The torque sensor is used for measurement motor torque information.When pulse output light coupling exports pulse every time in the present invention, the counting of correction increment formula encoder exports, and to eliminate the error accumulation of incremental encoder, obtains accurate rotor position information.
Description
Technical field
The present invention relates to motor controls, and in particular, to a kind of Switched Reluctance Motor.
Background technology
Due to the simple structure of switched reluctance machines, cheap cost, high robust, switched reluctance machines are in all trades and professions
All cause very high attention.It has been successfully applied to drive system of electric motor vehicle, household electrical appliance, textile machine, aviation boat at present
In the various fields such as it, become the contenders of conventional motors.
In recent years, due to the development of high-power switch device and Digital Electronic Technique, the digital processing core of high speed low price
Good digital processing chip is applied in the control system of switched reluctance machines so that switched reluctance machines by the appearance of piece
Performance greatly promote, show the superiority of SRD to a greater extent.
The control of switched reluctance machines, it is necessary to assure the accuracy of rotor-position test, to ensure accurate commutation, meanwhile,
Certain control algolithm is needed, to ensure the runnability of motor.In addition to this, the controller based on single CPU can also aggravate
The burden of controller so that complicated control algolithm cannot be realized in controller again so that the advantage of switched reluctance machines cannot
It embodies.
Invention content
For the defects in the prior art, the object of the present invention is to provide a kind of Switched Reluctance Motors.
According to Switched Reluctance Motor provided by the invention, including rectification filtering circuit, switched reluctance machines, drive
Dynamic device, controller, position detection unit, power supply, current detecting unit, voltage detection unit and torque sensor；
Wherein, the power supply, for providing alternating current；The driver is used for the operation of driving switch reluctance motor；Institute
Controller is stated, for realizing human-computer interaction, gives switched reluctance machines input control signal；The position detection unit, for examining
The rotor position angle of slowdown monitoring switch reluctance motor；The current detecting unit, for measuring phase current；The voltage detection unit,
For measuring phase voltage；The torque sensor is used for measurement motor torque information；
The controller generates Current Voltage letter according to the rotor position angle, phase current, Motor torque information, phase voltage
Breath and position and speed information, and then pwm control signal is exported according to the current-voltage information and position and speed information；
The driver exports filtered DC power supply to switched reluctance machines according to the pwm control signal；
The rectification filtering circuit is used to be delivered to the switch magnetic after filtering the AC rectification that the power supply provides
Hinder motor；
The position detection unit, the current detecting unit, the voltage detection unit, the torque sensor are electrically connected
Connect the controller；The power supply connects the switched reluctance machines by the rectification filtering circuit；The controller passes through
The driver connects the rectification filtering circuit.
Preferably, the controller includes DSP and FPGA；
The DSP is used for the realization of control algolithm as host CPU；The FPGA is used for test signal as aiding CPU
Pretreatment；
The DSP connects the rectification filtering circuit by the driver；The position detection unit, electric current inspection
It surveys unit, the voltage detection unit, the torque sensor and is electrically connected the FPGA.
Preferably, the rotor position angle of the position detection unit detection switch reluctance motor includes the following steps：
Step 1：A pulse circumferentially is installed every 37.5 ° in the stator of switched reluctance machines and exports optocoupler；When switch magnetic
When the rotor of resistance motor often turns over 7.5 °, a pulse exports the absolute location information that optocoupler provides rotor；
Step 2：When pulse output optocoupler exports pulse, the counting output of correction increment formula encoder increases to eliminate
The error accumulation of amount formula encoder, obtains rotor position information.
Preferably, further include blanking disc；Wherein, the blanking disc is arranged on armature spindle, can be with the rotor shaft rotation
It is dynamic；Pulse exports optocoupler and is arranged on the inside of blanking disc；
The incremental encoder is arranged on the motor shaft sleeve of switched reluctance machines.
Preferably, the rectification filtering circuit include rectifier diode D1, it is rectifier diode D2, rectifier diode D3, whole
Flow diode D4, rectifier diode D5, rectifier diode D6, capacitance C1, capacitance C2, capacitance C3, capacitance C4, IGBT13,
IGBT1、IGBT6、IGBT5、IGBT10、IGBT9、IGBT8、IGBT1、IGBT3、IGBT5、IGBT7、IGBT9、IGBT1、
IGBT4, IGBT6, IGBT2, IGBT10, IGBT12 and IGBT8；
The cathode of the anode connection rectifier diode D4 of rectifier diode D1, the cathode of rectifier diode D1 connect IGBT13
The poles C, the poles C of IGBT1, the poles C of IGBT3, the poles C of IGBT5, the poles C of IGBT7, the poles C of IGBT9, IGBT11 the poles C；Rectification
One end of the anode connection resistance R1 of diode D4, the poles E of IGBT4, the poles E of IGBT6, the poles E of IGBT2, IGBT10 the poles E,
The poles E of IGBT12, the poles E of IGBT8；
The cathode of the anode connection rectifier diode D5 of rectifier diode D2, the cathode of rectifier diode D2 connect rectification two
The cathode of pole pipe D1, the anode of the anode connection rectifier diode D4 of rectifier diode D5；The anode connection of rectifier diode D3
The cathode of rectifier diode D6, the cathode of the cathode connection rectifier diode D1 of rectifier diode D3, rectifier diode D6 is just
Pole connects the anode of rectifier diode D4；The three-phase output end of power supply is separately connected the anode of rectifier diode D3, two pole of rectification
The anode of pipe D2, the anode of rectifier diode D1；
The cathode of one end connection rectifier diode D1 of capacitance C1, the other end connect one end of capacitance C3, and capacitance C3's is another
One end connects the anode of rectifier diode D4；The cathode of one end connection rectifier diode D1 of capacitance C2, the other end connect capacitance
One end of C4, the anode of the other end connection rectifier diode D4 of capacitance C4；The other end connection capacitance C2's of capacitance C1 is another
End；
The other end of resistance R1 passes sequentially through the poles E of resistance R2, resistance R3 connections IGBT13；
The driver is separately connected the poles G of IGBT13, IGBT1, IGBT6, IGBT5, IGBT10, IGBT9, IGBT8；
IGBT1、IGBT3、IGBT5、IGBT7、IGBT9、IGBT1、IGBT4、IGBT6、IGBT2、IGBT10、IGBT12、
The poles C of IGBT8 are respectively connected with the cathode of rectifier diode, and the poles E are all connected with the anode of rectifier diode；
The poles E of the first connecting pin of A phases connection IGBT1 of the switched reluctance machines, the poles C of IGBT1；The switching magnetic-resistance
The poles E of the A phase second connection ends connection IGBT3 of motor, the poles C of IGBT6；The first connecting pin of B phases of the switched reluctance machines
Connect the poles E of IGBT5, the poles C of IGBT2；The poles E of the B phase second connection ends connection IGBT7 of the switched reluctance machines,
The poles C of IGBT10；The poles E of the first connecting pin of C phases connection IGBT9 of the switched reluctance machines, the poles C of IGBT12；It is described to open
Close the poles E of the C phase second connection ends connection IGBT11 of reluctance motor, the poles C of IGBT8.
Preferably, further include the first A/D conversion chips and the 2nd A/D conversion chips；
Wherein, the current detecting unit is electrically connected the controller by the first A/D conversion chips；The voltage detecting
Unit is electrically connected the controller by the 2nd A/D conversion chips.
Compared with prior art, the present invention has following advantageous effect：
1, when pulse output light coupling exports pulse every time in the present invention, the counting output of correction increment formula encoder, to
The error accumulation for eliminating incremental encoder, obtains accurate rotor position information；
2, it is provided with rectification filtering circuit in the present invention, the alternating current that rectification filtering circuit can provide the power supply is whole
It is delivered to the switched reluctance machines after stream filtering, while being convenient for control of the driver to switched reluctance machines.
3, the pretreatment of signal is realized in FPGA in the present invention so that the burden of DSP mitigates significantly, and DSP is used only to
It realizes core algorithm, greatly promotes the operational efficiency and precision of control system.
Description of the drawings
Upon reading the detailed description of non-limiting embodiments with reference to the following drawings, other feature of the invention,
Objects and advantages will become more apparent upon：
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is the circuit diagram of the present invention；
Fig. 3 is position detection unit scheme of installation in the present invention；
Fig. 4 is dual-core controller structural schematic diagram in the present invention；
Fig. 5 is the speed governing schematic block diagram of the present invention.
In figure：
1 is optocoupler；
2 be blanking disc；
3 be incremental encoder.
Specific implementation mode
With reference to specific embodiment, the present invention is described in detail.Following embodiment will be helpful to the technology of this field
Personnel further understand the present invention, but the invention is not limited in any way.It should be pointed out that the ordinary skill of this field
For personnel, without departing from the inventive concept of the premise, various modifications and improvements can be made.These belong to the present invention
Protection domain.
In the present embodiment, Switched Reluctance Motor provided by the invention, including rectification filtering circuit, switch magnetic
Hinder motor, driver, controller, position detection unit, power supply, current detecting unit, voltage detection unit and torque sensing
Device；
Wherein, the power supply, for providing alternating current；The driver is used for the operation of driving switch reluctance motor；Institute
Controller is stated, for realizing human-computer interaction, gives switched reluctance machines input control signal；The position detection unit, for examining
The rotor position angle of slowdown monitoring switch reluctance motor；The current detecting unit, for measuring phase current；The voltage detection unit,
For measuring phase voltage；The torque sensor is used for measurement motor torque information；
The rectification filtering circuit is used to be delivered to the switch magnetic after filtering the AC rectification that the power supply provides
Hinder motor；
The position detection unit, the current detecting unit, the voltage detection unit, the torque sensor are electrically connected
Connect the controller；The power supply connects the switched reluctance machines by the rectification filtering circuit；The controller passes through
The driver connects the rectification filtering circuit.
The controller includes DSP and FPGA；
The DSP is used for the realization of control algolithm as host CPU；The FPGA is used for test signal as aiding CPU
Pretreatment；
The DSP connects the rectification filtering circuit by the driver；The position detection unit, electric current inspection
It surveys unit, the voltage detection unit, the torque sensor and is electrically connected the FPGA.
The wherein concrete function of FPGA is：The Glitch Filter of collected Current Voltage and position signal, rotor-position
Estimation, realize the real-time calculating of rotating speed, and location information, current-voltage information and velocity information are output to DSP, use
In the control of DSP.The wherein concrete function of DSP is：Realize that inner ring control -- outer shroud control is realized in the closed-loop control of electric current -- is fast
The closed-loop control of degree.Wherein the closed-loop control of electric current and the closed-loop control of speed can be realized by different control algolithms, can be with
It can also be realized by intelligent algorithms such as neural networks by most classical pid control algorithm realization.The pretreatment of signal is in FPGA
It realizes so that the burden of DSP mitigates significantly, and DSP is used only to realize core algorithm, greatly promotes the operational efficiency of control system
And precision.
The rotor position angle of the position detection unit detection switch reluctance motor includes the following steps：
Step 1：A pulse circumferentially is installed every 37.5 ° in the stator of switched reluctance machines and exports optocoupler；When switch magnetic
When the rotor of resistance motor often turns over 7.5 °, a pulse exports the absolute location information that optocoupler provides rotor；
Step 2：When pulse output optocoupler exports pulse, the counting output of correction increment formula encoder increases to eliminate
The error accumulation of amount formula encoder, obtains accurate rotor position information.
The quantity of the pulse output optocoupler is four, and four pulse output optocouplers emit pulse according to Gray code rule；
There are the output variation of 8 subpulses, while error reset signal of this pulse as incremental encoder in one electric period.Increment type is compiled
The resolution ratio of code device is 4096PPR, and when optocoupler exports pulse every time, the counting of correction increment formula encoder exports, to eliminate
The error accumulation of incremental encoder obtains accurate rotor position information.Wherein, an electric period respective rotor rotation 60
Degree.
Switched Reluctance Motor provided by the invention further includes blanking disc；Wherein, the blanking disc setting is turning
On sub- axis, it can be rotated with the armature spindle；The incremental encoder is arranged on the motor shaft sleeve of switched reluctance machines；
Pulse exports optocoupler and is arranged on the inside of blanking disc.
The rectification filtering circuit includes rectifier diode D1, rectifier diode D2, rectifier diode D3, rectifier diode
D4, rectifier diode D5, rectifier diode D6, capacitance C1, capacitance C2, capacitance C3, capacitance C4, IGBT13, IGBT1, IGBT6,
IGBT5、IGBT10、IGBT9、IGBT8、IGBT1、IGBT3、IGBT5、IGBT7、IGBT9、IGBT1、IGBT4、IGBT6、
IGBT2, IGBT10, IGBT12 and IGBT8；
The cathode of the anode connection rectifier diode D4 of rectifier diode D1, the cathode of rectifier diode D1 connect IGBT13
The poles C, the poles C of IGBT1, the poles C of IGBT3, the poles C of IGBT5, the poles C of IGBT7, the poles C of IGBT9, IGBT11 the poles C；Rectification
One end of the anode connection resistance R1 of diode D4, the poles E of IGBT4, the poles E of IGBT6, the poles E of IGBT2, IGBT10 the poles E,
The poles E of IGBT12, the poles E of IGBT8；
The cathode of the anode connection rectifier diode D5 of rectifier diode D2, the cathode of rectifier diode D2 connect rectification two
The cathode of pole pipe D1, the anode of the anode connection rectifier diode D4 of rectifier diode D5；The anode connection of rectifier diode D3
The cathode of rectifier diode D6, the cathode of the cathode connection rectifier diode D1 of rectifier diode D3, rectifier diode D6 is just
Pole connects the anode of rectifier diode D4；The three-phase output end of power supply is separately connected the anode of rectifier diode D3, two pole of rectification
The anode of pipe D2, the anode of rectifier diode D1；
The cathode of one end connection rectifier diode D1 of capacitance C1, the other end connect one end of capacitance C3, and capacitance C3's is another
One end connects the anode of rectifier diode D4；The cathode of one end connection rectifier diode D1 of capacitance C2, the other end connect capacitance
One end of C4, the anode of the other end connection rectifier diode D4 of capacitance C4；The other end connection capacitance C2's of capacitance C1 is another
End；
The other end of resistance R1 passes sequentially through the poles E of resistance R2, resistance R3 connections IGBT13；
The driver is separately connected the poles G of IGBT13, IGBT1, IGBT6, IGBT5, IGBT10, IGBT9, IGBT8；
IGBT1、IGBT3、IGBT5、IGBT7、IGBT9、IGBT1、IGBT4、IGBT6、IGBT2、IGBT10、IGBT12、
The poles C of IGBT8 are respectively connected with the cathode of rectifier diode, and the poles E are all connected with the anode of rectifier diode；
The poles E of the first connecting pin of A phases connection IGBT1 of the switched reluctance machines, the poles C of IGBT1；The switching magnetic-resistance
The poles E of the A phase second connection ends connection IGBT3 of motor, the poles C of IGBT6；The first connecting pin of B phases of the switched reluctance machines
Connect the poles E of IGBT5, the poles C of IGBT2；The poles E of the B phase second connection ends connection IGBT7 of the switched reluctance machines,
The poles C of IGBT10；The poles E of the first connecting pin of C phases connection IGBT9 of the switched reluctance machines, the poles C of IGBT12；It is described to open
Close the poles E of the C phase second connection ends connection IGBT11 of reluctance motor, the poles C of IGBT8.
Switched Reluctance Motor provided by the invention further includes the first A/D conversion chips and the 2nd A/D conversion cores
Piece；Wherein, the current detecting unit is electrically connected the controller by the first A/D conversion chips；The voltage detection unit
It is electrically connected the controller by the 2nd A/D conversion chips.
When starting motor using Switched Reluctance Motor provided by the invention, the dsp chip in controller is first
It first carries out a series of initialization operation, receives from fpga chip treated current-voltage information and position and speed information,
According to corresponding control logic, corresponding pwm control signal is exported to driving circuit, driver will according to the instruction of control signal
DC power supply after rectification is exported to motor, starts to rotate.When motor operates, DSP unit is according to the position speed detected
Degree information is compared with the rotary speed information of setting, is obtained speed difference, is transformed into institute using respective algorithms according to speed difference
Control is calculated according to corresponding algorithm with the current differential that detection obtains in required current signal by the control signal for needing electric current
Amount processed, and driver is output in the form of pwm signal, change the average voltage loaded at machine winding both ends, and so on,
Realize the speed regulating control of motor.
Specific embodiments of the present invention are described above.It is to be appreciated that the invention is not limited in above-mentioned
Particular implementation, those skilled in the art can make various deformations or amendments within the scope of the claims, this not shadow
Ring the substantive content of the present invention.
Claims (5)
1. a kind of Switched Reluctance Motor, which is characterized in that including rectification filtering circuit, switched reluctance machines, driving
Device, controller, position detection unit, power supply, current detecting unit, voltage detection unit and torque sensor；
Wherein, the power supply, for providing alternating current；The driver is used for the operation of driving switch reluctance motor；The control
Device processed gives switched reluctance machines input control signal for realizing human-computer interaction；The position detection unit is opened for detecting
Close the rotor position angle of reluctance motor；The current detecting unit, for measuring phase current；The voltage detection unit, is used for
Measure phase voltage；The torque sensor is used for measurement motor torque information；
The controller according to the rotor position angle, phase current, Motor torque information, phase voltage generate current-voltage information and
Position and speed information, and then pwm control signal is exported according to the current-voltage information and position and speed information；
The driver exports filtered DC power supply to switched reluctance machines according to the pwm control signal；
The rectification filtering circuit is used to after filtering the AC rectification that the power supply provides be delivered to the switching magnetic-resistance electricity
Machine；
The position detection unit, the current detecting unit, the voltage detection unit, the torque sensor are electrically connected institute
State controller；The power supply connects the switched reluctance machines by the rectification filtering circuit；The controller passes through described
Driver connects the rectification filtering circuit；
The rectification filtering circuit include rectifier diode D1, rectifier diode D2, rectifier diode D3, rectifier diode D4,
Rectifier diode D5, rectifier diode D6, capacitance C1, capacitance C2, capacitance C3, capacitance C4, IGBT13, IGBT1, IGBT6,
IGBT5, IGBT10, IGBT9, IGBT8, IGBT3, IGBT7, IGBT4, IGBT2 and IGBT12；
The cathode of the anode connection rectifier diode D4 of rectifier diode D1, the C of the cathode connection IGBT13 of rectifier diode D1
Pole, the poles C of IGBT1, the poles C of IGBT3, the poles C of IGBT5, the poles C of IGBT7, the poles C of IGBT9, IGBT11 the poles C；Rectification two
One end of the anode connection resistance R1 of pole pipe D4, the poles E of IGBT4, the poles E of IGBT6, the poles E of IGBT2, IGBT10 the poles E,
The poles E of IGBT12, the poles E of IGBT8；
The cathode of the anode connection rectifier diode D5 of rectifier diode D2, the cathode of rectifier diode D2 connect rectifier diode
The cathode of D1, the anode of the anode connection rectifier diode D4 of rectifier diode D5；The anode connection rectification of rectifier diode D3
The cathode of diode D6, the cathode of the cathode connection rectifier diode D1 of rectifier diode D3, the anode of rectifier diode D6 is even
Connect the anode of rectifier diode D4；The three-phase output end of power supply is separately connected the anode of rectifier diode D3, rectifier diode D2
Anode, rectifier diode D1 anode；
The cathode of one end connection rectifier diode D1 of capacitance C1, the other end connect one end of capacitance C3, the other end of capacitance C3
Connect the anode of rectifier diode D4；The cathode of one end connection rectifier diode D1 of capacitance C2, the other end connect capacitance C4's
One end, the anode of the other end connection rectifier diode D4 of capacitance C4；The other end of the other end connection capacitance C2 of capacitance C1；
The other end of resistance R1 passes sequentially through the poles E of resistance R2, resistance R3 connections IGBT13；
The driver is separately connected the poles G of IGBT13, IGBT1, IGBT6, IGBT5, IGBT10, IGBT9, IGBT8；
The poles C of IGBT1, IGBT3, IGBT5, IGBT7, IGBT9, IGBT4, IGBT6, IGBT2, IGBT10, IGBT12, IGBT8
It is respectively connected with the cathode of rectifier diode, the poles E are all connected with the anode of rectifier diode；
The poles E of the first connecting pin of A phases connection IGBT1 of the switched reluctance machines, the poles C of IGBT4；The switched reluctance machines
The A phase second connection ends connection poles E of IGBT3, IGBT6 the poles C；The first connecting pin of B phases of the switched reluctance machines connects
The poles E of IGBT5, the poles C of IGBT2；The poles E of the B phase second connection ends connection IGBT7 of the switched reluctance machines, the C of IGBT10
Pole；The poles E of the first connecting pin of C phases connection IGBT9 of the switched reluctance machines, the poles C of IGBT12；The switched reluctance machines
The C phase second connection ends connection poles E of IGBT11, IGBT8 the poles C.
2. Switched Reluctance Motor according to claim 1, which is characterized in that the controller include DSP and
FPGA；
The DSP is used for the realization of control algolithm as host CPU；The FPGA is as aiding CPU, for the pre- of test signal
Processing；
The DSP connects the rectification filtering circuit by the driver；The position detection unit, the current detecting list
First, the described voltage detection unit, the torque sensor are electrically connected the FPGA.
3. Switched Reluctance Motor according to claim 1, which is characterized in that the position detection unit detection
The rotor position angle of switched reluctance machines includes the following steps：
Step 1：A pulse circumferentially is installed every 37.5 ° in the stator of switched reluctance machines and exports optocoupler；When switching magnetic-resistance electricity
When the rotor of machine often turns over 7.5 °, a pulse exports the absolute location information that optocoupler provides rotor；
Step 2：When pulse output optocoupler exports pulse, the counting output of correction increment formula encoder, to eliminate increment type
The error accumulation of encoder, obtains rotor position information.
4. Switched Reluctance Motor according to claim 3, which is characterized in that further include blanking disc；Wherein, institute
It states blanking disc to be arranged on armature spindle, can be rotated with the armature spindle；Pulse exports optocoupler and is arranged on the inside of blanking disc；
The incremental encoder is arranged on the motor shaft sleeve of switched reluctance machines.
5. Switched Reluctance Motor according to claim 1, which is characterized in that further include the first A/D conversion cores
Piece and the 2nd A/D conversion chips；
Wherein, the current detecting unit is electrically connected the controller by the first A/D conversion chips；The voltage detection unit
It is electrically connected the controller by the 2nd A/D conversion chips.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610345795.9A CN105897073B (en) | 2016-05-23 | 2016-05-23 | Switched Reluctance Motor |
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| CN105897073B true CN105897073B (en) | 2018-08-03 |
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| CN111025996A (en) * | 2019-12-27 | 2020-04-17 | 淄博京科电气有限公司 | RTU-based switched reluctance motor speed regulation communication system |
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| US5449993A (en) * | 1994-06-07 | 1995-09-12 | Switched Reluctance Drivers Limited | Regenerative ac to dc converter |
| CN102664584A (en) * | 2012-05-23 | 2012-09-12 | 东南大学 | Design structure of universal three-phase motor controller |
| CN103401487A (en) * | 2013-07-15 | 2013-11-20 | 中国矿业大学 | Position-sensorless control method suitable for four-quadrant operation of switched reluctance motor |
| CN204993132U (en) * | 2015-08-10 | 2016-01-20 | 哈尔滨理工大学 | Control system for switch reluctance motor |
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