CN106533296B - A kind of stator permanent magnetic type memory electrical machine adjustable magnetic method based on quantitative adjustable magnetic pulse - Google Patents
A kind of stator permanent magnetic type memory electrical machine adjustable magnetic method based on quantitative adjustable magnetic pulse Download PDFInfo
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- CN106533296B CN106533296B CN201611197912.8A CN201611197912A CN106533296B CN 106533296 B CN106533296 B CN 106533296B CN 201611197912 A CN201611197912 A CN 201611197912A CN 106533296 B CN106533296 B CN 106533296B
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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
- H02P21/00—Arrangements or methods for the control of electric machines by vector control, e.g. by control of field orientation
- H02P21/0003—Control strategies in general, e.g. linear type, e.g. P, PI, PID, using robust control
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Abstract
The stator permanent magnetic type memory electrical machine adjustable magnetic method based on quantitative adjustable magnetic pulse that the invention discloses a kind of.This method utilizes the tracing control of H bridge topological realization adjustable magnetic pulse, and the double-direction control of adjustable magnetic pulse can be realized without polarity reversing switch；Without the adjustable magnetic voltage consistent with adjustable magnetic winding parameter is recalled by coupling transformer, the quantitative control of adjustable magnetic pulse can be realized.Compared with constant-current source type and storage capacitor pulsed discharge type adjustable magnetic mode, invention enhances the reliability of adjustable magnetic system and safeties, are particularly suitable in the stator permanent magnetic type memory electrical machine speed-regulating system of driving and online adjustable magnetic Collaborative Control.
Description
Technical field
The stator permanent magnetic type memory electrical machine adjustable magnetic method based on quantitative adjustable magnetic pulse that the present invention relates to a kind of, more particularly to it is fixed
Sub- permanent-magnet type memory electrical machine driving and online adjustable magnetic Collaborative Control technical field.
Background technique
Stator permanent magnetic type memory electrical machine is applied using the high remanent magnetism of alnico, the characteristic of low-coercivity by adjustable magnetic winding
Adjustable magnetic pulse adjusts air-gap field to change the mode of alnico magnetized state, is not only suitable for being applied to low speed high torque and wide tune
Speed operation occasion, and in adjustable magnetic almost without adjustable magnetic loss.It is currently applied to the side of stator permanent magnetic type memory electrical machine adjustable magnetic
Formula mainly includes two kinds of constant-current source type and storage capacitor pulsed discharge type, and regulated power supply and adjustable magnetic winding are connected directly by the former,
Centre is separated with controllable switch, when needing to change alnico magnetized state, when only controllable switch need to be closed shorter one section
Between.The adjustable magnetic pulse of which is smooth, and stator permanent magnetic type memory electrical machine can be made to obtain preferable adjustable magnetic effect, but reversed magnetic
Change need to increase polarity reversing switch；The latter mainly includes that storage capacitor is charged and discharged two processes, passes through regulated power supply first
It charges to storage capacitor, then disconnects storage capacitor and regulated power supply, finally using storage capacitor to adjustable magnetic winding charge institute
The magnetized state of pulse regulation alnico is generated, which has many advantages, such as that structure is simple, is easily achieved, but the tune of this mode
Magnetic field impulse is non-adjustable, and when adjustable magnetic winding resistance sense parameter and storage capacitor meet concussion condition, the negative pulse that circuit generates
It will seriously affect the service life of storage capacitor.In addition, also needing to increase polarity reversing switch to realize reversed degaussing.
Summary of the invention
Goal of the invention: being directed to the above-mentioned prior art, proposes a kind of stator permanent magnetic type memory electricity based on quantitative adjustable magnetic pulse
Machine adjustable magnetic method realizes the requirement of adjustable magnetic pulse two-way quantitative adjustable magnetic.
Technical solution: a kind of stator permanent magnetic type memory electrical machine adjustable magnetic method based on quantitative adjustable magnetic pulse, including walk as follows
It is rapid: acquisition adjustable magnetic winding adjustable magnetic pulse instantaneous value i0, by the i0With the target of given amplitude, pulsewidth and rising edge and failing edge
Trapezoidal wave adjustable magnetic pulseIt is respectively fed to the first hysteresis comparator and the second hysteresis comparator after making difference, whenWhen,
It controls single-phase full-bridge inverter and exports forward voltage, after the forward voltage filters out switch time high-frequency harmonic using LC filter
The adjustable magnetic winding both ends of stator permanent magnetic type memory electrical machine are added to, so that adjustable magnetic pulse instantaneous value i0Rise；WhenWhen,
It controls single-phase full-bridge inverter and exports backward voltage, after the backward voltage filters out switch time high-frequency harmonic using LC filter
The adjustable magnetic winding both ends of stator permanent magnetic type memory electrical machine are added to, so that adjustable magnetic pulse instantaneous value i0Decline, wherein HB is first stagnant
The ring width of ring comparator and the second hysteresis comparator；Meanwhile in a switch periods, if the control single-phase full-bridge inverter
The time for exporting forward voltage is greater than the time of output backward voltage, then flows through positive adjustable magnetic pulse in the adjustable magnetic winding, instead
The adjustable magnetic winding in flow through reversed adjustable magnetic pulse.
Further, the first hysteresis comparator output and the target trapezoidal wave adjustable magnetic pulseInput first simultaneously
Logical "and", the second hysteresis comparator output and the target trapezoidal wave adjustable magnetic pulseThe second logic is inputted simultaneously
"AND", the output of first logical "and" and the second logical "and" control the single-phase full-bridge inverter cornerwise two respectively
The on-off of group switching tube.
The utility model has the advantages that compared with storage capacitor pulsed discharge type and constant-current source type adjustable magnetic mode, quantitative adjustable magnetic of the invention
Pulse adjustable magnetic mode has the following characteristics that
(1) double-direction control that adjustable magnetic pulse can be realized without polarity reversing switch, can be improved the precision of adjustable magnetic pulse,
The safety and reliability for increasing adjustable magnetic system, without recalling the tune consistent with adjustable magnetic winding parameter by coupling transformer
Magnetoelectricity pressure can be obtained the adjustable magnetic pulse of different amplitudes；
(2) although adjustable magnetic effect be not so good as constant-current source type adjustable magnetic mode, adjustable magnetic pulse amplitude, pulsewidth and rising edge of a pulse and
Failing edge can be controlled quantitatively, be particularly suitable for the stator permanent magnetic type memory electrical machine speed regulation system of driving and online adjustable magnetic Collaborative Control
In system.
Detailed description of the invention
Fig. 1 is quantitative adjustable magnetic pulse-control system block diagram；
Fig. 2 is quantitative adjustable magnetic pulse double-direction control schematic diagram；
Fig. 3 is positive adjustable magnetic pulse simulation waveform；
Fig. 4 is reversed adjustable magnetic pulse simulation waveform.
Specific embodiment
Further explanation is done to the present invention with reference to the accompanying drawing.
As shown in Figure 1, a kind of stator permanent magnetic type memory electrical machine adjustable magnetic method based on quantitative adjustable magnetic pulse, passes through following step
Suddenly not only realize adjustable magnetic pulse two-way adjustable magnetic requirement, and quantitatively control adjustable magnetic pulse amplitude, pulsewidth and rising edge of a pulse and
Failing edge.Specifically: acquisition adjustable magnetic winding adjustable magnetic arteries and veins i0；Then by i0With the mesh of given amplitude, pulsewidth and rising edge and failing edge
Mark the pulse of trapezoidal wave adjustable magneticThe first hysteresis comparator and the second hysteresis comparator are respectively fed to after making difference；First hysteresis comparator
Output and the adjustable magnetic pulse of target trapezoidal waveThe first logical "and", the output of the second hysteresis comparator and target ladder are inputted simultaneously
Shape wave adjustable magnetic pulseThe second logical "and", the g of the first logical "and" output are inputted simultaneously2And g3Driving signal driving is single-phase complete
The V of bridge inverter2And V3Switching tube, the g of the second logical "and" output1And g4The V of driving signal driving single-phase full-bridge inverter1With
V4Switch.
When difference reaches the upper limit of hysteresis comparator, i.e.,When, control the switch of single-phase full-bridge inverter
Pipe V1And V4Conducting, switching tube V2And V3Shutdown, single-phase full-bridge inverter export forward voltage ui, forward voltage uiIt is filtered using LC
Wave device filters out the voltage u after switching time high-frequency harmonic0The adjustable magnetic winding both ends of stator permanent magnetic type memory electrical machine are added to, so that adjustable magnetic
Pulse instantaneous value i0Rise；Conversely, working asWhen, control the switching tube V of single-phase full-bridge inverter2And V3Conducting, switch
Pipe V1And V4Shutdown, single-phase full-bridge inverter export backward voltage ui, backward voltage uiIt is high that switch time is filtered out using LC filter
Voltage u after frequency harmonic wave0The adjustable magnetic winding both ends of stator permanent magnetic type memory electrical machine are added to, so that adjustable magnetic pulse instantaneous value i0Decline,
Wherein HB is the ring width of the first hysteresis comparator and the second hysteresis comparator.In this way, diagonal by control single-phase full-bridge inverter
The alternate conduction of wiretap pipe makes adjustable magnetic pulse i0Track the adjustable magnetic pulse of target trapezoidal waveCan realize adjustable magnetic pulse amplitude,
The quantitative control of pulsewidth and rising edge of a pulse and failing edge.Target trapezoidal wave adjustable magnetic pulseWith the output signal of hysteresis comparator
The purpose of input logic and circuit is, when target trapezoidal wave adjustable magnetic pulseWhen being zero, all switching tubes are forced shutdown, electricity is avoided
Road carries out tracing control with zero to be given, when target trapezoidal wave adjustable magnetic pulseWhen being not zero, then opened according to above-mentioned steps driving
Guan Guan.
Meanwhile in a switch periods, if the time of control single-phase full-bridge inverter output forward voltage is greater than output
The time of backward voltage, i.e., in a switch periods, switching tube V1 and V4 is in driving signal g1And g4The effect lower time be connected
Greater than V2 and V3 in driving signal g2And g3The lower time be connected is acted on, flows through positive adjustable magnetic pulse in adjustable magnetic winding, on the contrary adjustable magnetic
Reversed adjustable magnetic pulse is flowed through in winding.
According to system shown in Figure 1 control block diagram, built using Matlab/Simulink simulation software based on quantitative adjustable magnetic
The simulation model of the stator permanent magnetic type memory electrical machine adjustable magnetic method of pulse.It can be realized quantitative control in order to illustrate the control method
Amplitude, pulsewidth and the rising edge of a pulse and failing edge of adjustable magnetic pulse, Fig. 3 and Fig. 4 be set forth using control method of the present invention,
Storage capacitor pulsed discharge type and constant-current source type adjustable magnetic impulse waveform.As can be seen from figs. 3 and 4 control method of the present invention is able to achieve
The quantitative control of amplitude, pulsewidth and the rising edge of a pulse and failing edge of adjustable magnetic pulse is conducive to improve stator permanent magnetic type memory electricity
The adjustable magnetic effect of machine.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also answered
It is considered as protection scope of the present invention.
Claims (1)
1. a kind of stator permanent magnetic type memory electrical machine adjustable magnetic method based on quantitative adjustable magnetic pulse, which is characterized in that including walking as follows
It is rapid: the adjustable magnetic pulse i of acquisition adjustable magnetic winding0, by the i0It is trapezoidal with the target of given amplitude, pulsewidth and rising edge and failing edge
Wave adjustable magnetic pulseIt is respectively fed to the first hysteresis comparator and the second hysteresis comparator after making difference, whenWhen, control
Single-phase full-bridge inverter exports forward voltage, and the forward voltage is added to after filtering out switch time high-frequency harmonic using LC filter
The adjustable magnetic winding both ends of stator permanent magnetic type memory electrical machine, so that adjustable magnetic pulse instantaneous value i0Rise；WhenWhen, control
Single-phase full-bridge inverter exports backward voltage, and the backward voltage is added to after filtering out switch time high-frequency harmonic using LC filter
The adjustable magnetic winding both ends of stator permanent magnetic type memory electrical machine, so that adjustable magnetic pulse instantaneous value i0Decline, wherein HB is the first stagnant ring ratio
Compared with the ring width of device and the second hysteresis comparator；Meanwhile in a switch periods, if the control single-phase full-bridge inverter exports
The time of forward voltage is greater than the time of output backward voltage, then flows through positive adjustable magnetic pulse in the adjustable magnetic winding, otherwise institute
It states and flows through reversed adjustable magnetic pulse in adjustable magnetic winding；
The output of first hysteresis comparator and the target trapezoidal wave adjustable magnetic pulseThe first logical "and", institute are inputted simultaneously
State the output and the target trapezoidal wave adjustable magnetic pulse of the second hysteresis comparatorThe second logical "and" of input simultaneously, described first
The output of logical "and" and the second logical "and" controls the logical of the cornerwise two groups of switching tubes of the single-phase full-bridge inverter respectively
It is disconnected.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201611197912.8A CN106533296B (en) | 2016-12-22 | 2016-12-22 | A kind of stator permanent magnetic type memory electrical machine adjustable magnetic method based on quantitative adjustable magnetic pulse |
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| CN201611197912.8A CN106533296B (en) | 2016-12-22 | 2016-12-22 | A kind of stator permanent magnetic type memory electrical machine adjustable magnetic method based on quantitative adjustable magnetic pulse |
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| CN106533296B true CN106533296B (en) | 2018-12-28 |
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| CN110995109B (en) * | 2019-10-29 | 2021-08-10 | 东南大学 | Direct torque flux linkage control method for alternating current magnetic modulation type memory motor |
| CN112072982B (en) * | 2020-09-24 | 2021-11-26 | 东南大学 | Method for determining magnetic energy loss of permanent magnet in magnetic adjustment process of memory motor |
| CN113098159A (en) * | 2021-04-01 | 2021-07-09 | 西北工业大学 | Hybrid permanent magnet memory starting/power generator and operation method thereof |
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| JP4102770B2 (en) * | 2004-03-08 | 2008-06-18 | 三菱電機株式会社 | Winding field synchronous machine controller |
| CN101325349B (en) * | 2008-04-11 | 2010-12-08 | 江苏大学 | Permanent magnetism type motor of wide speed-adjusting magnetic flux memory type stator |
| CN104113254B (en) * | 2014-06-27 | 2016-08-17 | 南京航空航天大学 | A kind of pressure regulation adjustable magnetic motor control method |
| CN104578477B (en) * | 2014-12-11 | 2017-02-22 | 东南大学 | Mixed permanent magnetic pole-alternating and magnetic flux-switching memory motor and winding switching magnetism-weakening control method thereof |
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