CN203933471U - Dual stage matrix converter drives the control system structure of permagnetic synchronous motor - Google Patents
Dual stage matrix converter drives the control system structure of permagnetic synchronous motor Download PDFInfo
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- CN203933471U CN203933471U CN201420233569.8U CN201420233569U CN203933471U CN 203933471 U CN203933471 U CN 203933471U CN 201420233569 U CN201420233569 U CN 201420233569U CN 203933471 U CN203933471 U CN 203933471U
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Abstract
A kind of dual stage matrix converter drives the control system structure of permagnetic synchronous motor, permagnetic synchronous motor, the 2 3/2 converter, second switch mode selector is all connected with dual stage matrix converter, second switch mode selector respectively with torque ring, magnetic linkage ring is connected, the 2 3/2 converter is connected with current and voltage signals generator, current and voltage signals is connected with second switch mode selector by fan-shaped judgement district, current and voltage signals is connected with two indicator lights, wherein the second indicator light is connected with magnetic linkage ring, the first indicator light is connected with torque ring and pi regulator, permagnetic synchronous motor is successively connected with the 3rd indicator light with velocity calculator through photoelectricity transcoder, the 3rd indicator light is connected with pi regulator.The utility model combines dual stage matrix converter with permagnetic synchronous motor control technology, by simulation analysis, the dynamic and static state performance of system is good, and motor is stable.
Description
Technical field
The utility model belongs to motor device field, and particularly a kind of dual stage matrix converter drives the control system structure of permagnetic synchronous motor.
Background technology
It is good that a kind of novel Direct Power converter of dual stage matrix converter (being called for short TSMC) can be realized input-output wave shape, and power factor is adjustable, and the change of current is simple and reliable, in Alternating Current Governor System, has a good application prospect.
Along with the development of power electronic technology and modern control theory, ac speed control technology is increasingly mature, the core apparatus of AC speed regulating control is frequency converter, though that they have is simple in structure, be easy to control, technology maturation, the advantage such as reliable, the greatest drawback wherein existing is the harmonic pollution that electrical network is caused; Matrix converter belongs to ac-ac conversion device, the superior electric property having due to them, just progressively substitute some frequency converters, particularly they can be realized minimizing Harmfulness Caused by Harmonics, suppress electric network pollution, improve power quality and realize energy in bidirectional flow, reach the effect of scientific and reasonable electricity consumption, combine with electric machine control system, therefore it has more vast potential for future development.
Summary of the invention
The purpose of this utility model is to overcome above-described problem.
The purpose of this utility model is achieved in that a kind of dual stage matrix converter drives the control system structure of permagnetic synchronous motor, comprise three phase mains, dual stage matrix converter, the one 3/2 converter, fan-shaped judgement district, it is characterized in that: described the one 3/2 converter, dual stage matrix converter are connected with three phase mains, the first on off state selector is connected with the one 3/2 converter, dual stage matrix converter respectively; Permagnetic synchronous motor, the 2 3/2 converter, second switch mode selector are all connected with dual stage matrix converter; Second switch mode selector is connected with torque ring, magnetic linkage ring respectively; The 2 3/2 converter is connected with current and voltage signals generator, and current and voltage signals is connected with second switch mode selector by fan-shaped judgement district; Current and voltage signals is connected with two indicator lights, and wherein the second indicator light is connected with magnetic linkage ring, and the first indicator light is connected with torque ring and pi regulator; Permagnetic synchronous motor is successively connected with the 3rd indicator light with velocity calculator through photoelectricity transcoder, and the 3rd indicator light is connected with pi regulator.
Described dual stage matrix converter is divided into rectification stage and inverse cascade, and rectification stage is connected with three phase mains, the one 3/2 converter, the first on off state selector; Inverse cascade is connected with second switch mode selector, permagnetic synchronous motor, the 2 3/2 converter; Rectification stage is connected with inverse cascade.
Described fan-shaped judgement district, is step-like oscillogram, and step is propradation, and each step represents running status under dual stage matrix converter different situations, thereby makes postorder obtain each data performance of motor under corresponding different situations.
Described rectification stage output current is direct current; Inverse cascade output current is alternating current
The utility model combines dual stage matrix converter with permagnetic synchronous motor control technology, by simulation analysis, the dynamic and static state performance of system is good, and motor is stable.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Embodiment
Provide the utility model preferred embodiment below in conjunction with accompanying drawing, to describe the technical solution of the utility model in detail.
A kind of dual stage matrix converter drives the control system structure of permagnetic synchronous motor, comprise three phase mains, dual stage matrix converter, the one 3/2 converter, fan-shaped judgement district, described the one 3/2 converter, dual stage matrix converter are connected with three phase mains, and the first on off state selector is connected with the one 3/2 converter, dual stage matrix converter respectively; Permagnetic synchronous motor, the 2 3/2 converter, second switch mode selector are all connected with dual stage matrix converter; Second switch mode selector is connected with torque ring, magnetic linkage ring respectively; The 2 3/2 converter is connected with current and voltage signals generator, and current and voltage signals is connected with second switch mode selector by fan-shaped judgement district; Current and voltage signals is connected with two indicator lights, and wherein the second indicator light is connected with magnetic linkage ring, and the first indicator light is connected with torque ring and pi regulator; Permagnetic synchronous motor is successively connected with the 3rd indicator light with velocity calculator through photoelectricity transcoder, and the 3rd indicator light is connected with pi regulator; Dual stage matrix converter is divided into rectification stage and inverse cascade, and rectification stage is connected with three phase mains, the one 3/2 converter, the first on off state selector; Inverse cascade is connected with second switch mode selector, permagnetic synchronous motor, the 2 3/2 converter; Rectification stage is connected with inverse cascade; Fan-shaped judgement district, is step-like oscillogram, and step is propradation, and each step represents running status under dual stage matrix converter different situations, thereby makes postorder obtain each data performance of motor under corresponding different situations; Rectification stage output current is direct current; Inverse cascade output current is alternating current.
When concrete enforcement, by following emulation case, this system is described further:
Dual stage matrix converter drives the simulation parameter of the control system structure of permagnetic synchronous motor to arrange as follows: input voltage is 170V, the three-phase alternating current of 50Hz, permanent-magnetic synchronous motor stator resistance R s is 4.765 Ω, Ld is 0.014H, Lq is 0.014mH, and number of pole-pairs p is 2, and moment of inertia J is 0.0001051 ㎏. ㎡, nominal torque 1.7Nm, rated speed 2000r/min; In the time of system emulation, the initial given rotating speed of setting permagnetic synchronous motor is 2000r/min, and after 0.5s, given rotating speed rises to 3000r/min, and the setting parameter Kp of pi regulator is that 0.05, Ki is 0.5, is the simulation result of system below.
Obtain data result:
1, system three-phase input voltage---170V, 50Hz, through after system changeover, the system rectification stage DC bus-bar voltage obtaining, peak value is 418V.
2, the fan-shaped judgement district wherein obtaining, for the step-like oscillogram of one-period T=0.02s, 6 steps are propradation, each step time, district was 1/6T, each step represents running status under dual stage matrix converter different situations, thereby make postorder obtain each data performance of motor under corresponding different situations, as permagnetic synchronous motor magnetic linkage, torque, rotating speed, wherein obtain a magnetic linkage ring according to theory analysis.
3, in system, inverse cascade output current is powered to permagnetic synchronous motor, and the stator three-phase input current peak value of this motor is 3A, and waveform is just profound ripple.
4, according to known conditions given speed, through after system changeover, obtain one and be similar to the response curve of linear control system under step signal input, initial 2000rpm, through rising to 2008rpm after 0.2s, enter subsequently 2000rpm stabilized (steady-state) speed state (waveform stabilization), now the stabilizing torque average out to 1.5NM of motor; During in the raising speed stage, because analogue system adopts direct torque control control technology, can make motor breakdown torque output (peak value is 3NM) at motor, motor raising speed is fast.
Claims (4)
1. the control system structure of a dual stage matrix converter driving permagnetic synchronous motor, comprise three phase mains, dual stage matrix converter, the one 3/2 converter, fan-shaped judgement district, it is characterized in that: described the one 3/2 converter, dual stage matrix converter are connected with three phase mains, the first on off state selector is connected with the one 3/2 converter, dual stage matrix converter respectively; Permagnetic synchronous motor, the 2 3/2 converter, second switch mode selector are all connected with dual stage matrix converter; Second switch mode selector is connected with torque ring, magnetic linkage ring respectively; The 2 3/2 converter is connected with current and voltage signals generator, and current and voltage signals is connected with second switch mode selector by fan-shaped judgement district; Current and voltage signals is connected with two indicator lights, and wherein the second indicator light is connected with magnetic linkage ring, and the first indicator light is connected with torque ring and pi regulator; Permagnetic synchronous motor is successively connected with the 3rd indicator light with velocity calculator through photoelectricity transcoder, and the 3rd indicator light is connected with pi regulator.
2. dual stage matrix converter as claimed in claim 1 drives the control system structure of permagnetic synchronous motor, it is characterized in that: described dual stage matrix converter is divided into rectification stage and inverse cascade, rectification stage is connected with three phase mains, the one 3/2 converter, the first on off state selector; Inverse cascade is connected with second switch mode selector, permagnetic synchronous motor, the 2 3/2 converter; Rectification stage is connected with inverse cascade.
3. dual stage matrix converter as claimed in claim 1 drives the control system structure of permagnetic synchronous motor, it is characterized in that: described fan-shaped judgement district, for step-like oscillogram, step is propradation, each step represents running status under dual stage matrix converter different situations, thereby makes postorder obtain each data performance of motor under corresponding different situations.
4. dual stage matrix converter as claimed in claim 2 drives the control system structure of permagnetic synchronous motor, it is characterized in that: described rectification stage output current is direct current; Inverse cascade output current is alternating current.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420233569.8U CN203933471U (en) | 2014-05-08 | 2014-05-08 | Dual stage matrix converter drives the control system structure of permagnetic synchronous motor |
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| CN201420233569.8U CN203933471U (en) | 2014-05-08 | 2014-05-08 | Dual stage matrix converter drives the control system structure of permagnetic synchronous motor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103997261A (en) * | 2014-05-08 | 2014-08-20 | 江苏航天动力机电有限公司 | Control system driving permanent magnet synchronous motor (PMSM) by two-stage matrix converter (TSMC) |
-
2014
- 2014-05-08 CN CN201420233569.8U patent/CN203933471U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103997261A (en) * | 2014-05-08 | 2014-08-20 | 江苏航天动力机电有限公司 | Control system driving permanent magnet synchronous motor (PMSM) by two-stage matrix converter (TSMC) |
| CN103997261B (en) * | 2014-05-08 | 2015-03-18 | 江苏航天动力机电有限公司 | Control system of two-stage matrix converter (TSMC) for driving permanent magnet synchronous motor (PMSM) |
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