CN106208874A - A kind of permagnetic synchronous motor current mode location measurement method used for wind power generation and device - Google Patents
A kind of permagnetic synchronous motor current mode location measurement method used for wind power generation and device Download PDFInfo
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- CN106208874A CN106208874A CN201610587260.2A CN201610587260A CN106208874A CN 106208874 A CN106208874 A CN 106208874A CN 201610587260 A CN201610587260 A CN 201610587260A CN 106208874 A CN106208874 A CN 106208874A
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- synchronous motor
- permagnetic synchronous
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P80/00—Climate change mitigation technologies for sector-wide applications
- Y02P80/10—Efficient use of energy, e.g. using compressed air or pressurized fluid as energy carrier
Abstract
A kind of permagnetic synchronous motor current mode location measurement method used for wind power generation and device, including current sensor, signal amplifier, wave filter, position measurement device.Current sensor gathers permagnetic synchronous motor phase current, the signal collected is through signal amplifier and filter process, send in the measuring device of position, thus permagnetic synchronous motor position is measured, position measurement device is that CPU runs permagnetic synchronous motor current mode location measurement method used for wind power generation composition proposed by the invention.The invention has the beneficial effects as follows: propose a kind of permagnetic synchronous motor current mode location measurement method used for wind power generation and device, owing to the method is easily achieved, therefore improve the efficiency that motor position is measured.
Description
Technical field
The present invention relates to a kind of permagnetic synchronous motor current mode location measurement method used for wind power generation and device.
Background technology
Along with advancing by leaps and bounds of new energy technology, wind generating technology obtains fast development in recent years.Due to permanent-magnet synchronous
Electromotor has lightweight, easily controllable advantage, should be had in wind-power electricity generation widely.To wind-driven generator control
In, needing motor position is measured, the achievement measured motor position at present has: current achievement has: notification number is
The patent " permagnetic synchronous motor standard is without sensing station Servocontrol device and method " of CN104333285A proposes one forever
Magnetic-synchro motor position detection method, but, the method algorithm is complicated, is not easy to realize.
Summary of the invention
In order to overcome prior art not enough, the present invention provides a kind of permagnetic synchronous motor current mode position used for wind power generation to survey
Metering method and device, owing to the method is easily achieved, therefore improve the efficiency that motor position is measured.
The technical solution adopted for the present invention to solve the technical problems comprises the following steps:
The first step, gathers permagnetic synchronous motor phase current；
Second step, builds observer
Wherein,WithIt is respectively observer state variable 1 and state variable 2；For permagnetic synchronous motor phase current；For seeing
Survey the parameter that device is observed；It is 0 ~ 100000 for controlling parameter 1(span)；It is 0 for controlling parameter 2(span
~ 100000)；It is 0 ~ 100000 for controlling parameter 3(span)；It is 0 ~ 100000 for controlling parameter 4(span)；
3rd step, calculates permagnetic synchronous motor rotating speed, wherein,For permagnetic synchronous motor rotating speed；For observer institute
The parameter of observation；
4th step: calculate permagnetic synchronous motor position.
Wherein,For permagnetic synchronous motor position.
The present invention also provides for following position-measurement device: include current sensor, signal amplifier, wave filter, position
Measuring device.Current sensor gathers permagnetic synchronous motor phase current, and the signal collected is at signal amplifier and wave filter
Reason, sends in the measuring device of position, thus measures permagnetic synchronous motor position, and position measurement device is that CPU runs this patent
The permagnetic synchronous motor current mode location measurement method used for wind power generation proposed is constituted.
The invention has the beneficial effects as follows: propose a kind of permagnetic synchronous motor current mode location measurement method used for wind power generation
And device, owing to the method is easily achieved, therefore improve the efficiency that motor position is measured.
Accompanying drawing explanation
Fig. 1 is permagnetic synchronous motor current mode location measurement method flow chart used for wind power generation.
Fig. 2 is permagnetic synchronous motor current mode position-measurement device used for wind power generation.
In figure, 1 current sensor, 2 signal amplifiers, 3 wave filter, 4 position measurement devices.
Detailed description of the invention
The present invention is further described with embodiment below in conjunction with the accompanying drawings.
As it is shown in figure 1, the present invention comprises the following steps:
The first step, gathers permagnetic synchronous motor phase current, go to second step；
Second step, builds observer
Wherein,WithIt is respectively observer state variable 1 and state variable 2；For permagnetic synchronous motor phase current；For seeing
Survey the parameter that device is observed；It is 0 ~ 100000 for controlling parameter 1(span)；It is 0 for controlling parameter 2(span
~ 100000)；It is 0 ~ 100000 for controlling parameter 3(span)；It is 0 ~ 100000 for controlling parameter 4(span),
Go to the 3rd step；
3rd step, calculates permagnetic synchronous motor rotating speed, wherein,For permagnetic synchronous motor rotating speed；For observer institute
The parameter of observation, goes to the 4th step；
4th step: calculate permagnetic synchronous motor position.
As in figure 2 it is shown, the present invention also provides for following position-measurement device: include current sensor 1, signal amplifier 2,
Wave filter 3 and position measurement device 4.Current sensor 1 gathers permagnetic synchronous motor phase current, and the signal collected is put through signal
Big device 2 and wave filter 3 process, and send into position measuring device 4, thus measure permagnetic synchronous motor position, position measurement device
The permagnetic synchronous motor current mode location measurement method used for wind power generation composition that this patent is proposed is run by CPU.
Claims (2)
1. a permagnetic synchronous motor current mode location measurement method used for wind power generation, it is characterised in that comprise the steps:
The first step, gathers permagnetic synchronous motor phase current；
Second step, builds observer
Wherein,WithIt is respectively observer state variable 1 and state variable 2；For permagnetic synchronous motor phase current；For observation
The parameter that device is observed；It is 0 ~ 100000 for controlling parameter 1(span)；For to control parameter 2(span be 0 ~
100000)；It is 0 ~ 100000 for controlling parameter 3(span)；It is 0 ~ 100000 for controlling parameter 4(span)；
3rd step, calculates permagnetic synchronous motor rotating speed, wherein,For permagnetic synchronous motor rotating speed；Seen by observer
The parameter surveyed；
4th step: calculate permagnetic synchronous motor position；
Wherein,For permagnetic synchronous motor position.
2. a position-measurement device for method as claimed in claim 1, including current sensor, signal amplifier, wave filter
With position measurement device, it is characterised in that: current sensor gathers permagnetic synchronous motor phase current, and the signal collected is through signal
Amplifier and filter process, send in the measuring device of position, thus measure permagnetic synchronous motor position, position measurement device
The permagnetic synchronous motor current mode location measurement method used for wind power generation composition that this patent is proposed is run by CPU.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610587260.2A CN106208874B (en) | 2016-07-25 | 2016-07-25 | A kind of permanent magnet synchronous motor current mode location estimation method used for wind power generation and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610587260.2A CN106208874B (en) | 2016-07-25 | 2016-07-25 | A kind of permanent magnet synchronous motor current mode location estimation method used for wind power generation and device |
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| CN106208874A true CN106208874A (en) | 2016-12-07 |
| CN106208874B CN106208874B (en) | 2019-04-02 |
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| CN201610587260.2A Active CN106208874B (en) | 2016-07-25 | 2016-07-25 | A kind of permanent magnet synchronous motor current mode location estimation method used for wind power generation and device |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101388639A (en) * | 2008-11-03 | 2009-03-18 | 北京清能华福风电技术有限公司 | Non-position sensor vector control method for double-feed wind power generator |
| JP2011177020A (en) * | 2003-05-08 | 2011-09-08 | Wavecrest Lab Llc | High-precision adaptive motor control in cruise control system having various motor control schemes |
| CN102946227A (en) * | 2012-10-26 | 2013-02-27 | 福州大学 | Observation method and device for electromagnetic torque of salient pole type permanent-magnet brushless direct current motor |
| CN103051271A (en) * | 2012-12-29 | 2013-04-17 | 东南大学 | Permanent magnet synchronous motor unposition sensor control method |
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2016
- 2016-07-25 CN CN201610587260.2A patent/CN106208874B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011177020A (en) * | 2003-05-08 | 2011-09-08 | Wavecrest Lab Llc | High-precision adaptive motor control in cruise control system having various motor control schemes |
| CN101388639A (en) * | 2008-11-03 | 2009-03-18 | 北京清能华福风电技术有限公司 | Non-position sensor vector control method for double-feed wind power generator |
| CN102946227A (en) * | 2012-10-26 | 2013-02-27 | 福州大学 | Observation method and device for electromagnetic torque of salient pole type permanent-magnet brushless direct current motor |
| CN103051271A (en) * | 2012-12-29 | 2013-04-17 | 东南大学 | Permanent magnet synchronous motor unposition sensor control method |
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| CN106208874B (en) | 2019-04-02 |
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