CN102312773A - Permanent magnetic direct-current brushless variable-pitch control system - Google Patents
Permanent magnetic direct-current brushless variable-pitch control system Download PDFInfo
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- CN102312773A CN102312773A CN2010102156285A CN201010215628A CN102312773A CN 102312773 A CN102312773 A CN 102312773A CN 2010102156285 A CN2010102156285 A CN 2010102156285A CN 201010215628 A CN201010215628 A CN 201010215628A CN 102312773 A CN102312773 A CN 102312773A
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- control cabinet
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- power supply
- standby power
- control system
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
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Abstract
The invention relates to a permanent magnetic direct-current brushless variable-pitch control system, which comprises a main power supply, a main control cabinet, shaft control cabinets, redundant encoders, emergency power supplies and motors, wherein the main power supplies are connected with the main control cabinet; the main control cabinet is connected with the shaft control cabinets and the redundant encoders respectively through a bus; and the shaft control cabinets are connected with the emergency power suppliesy and the motors respectively. Compared with the prior art, the permanent magnetic direct-current brushless variable-pitch control system has the advantages of higher suitability for large temperature variation range of the running environment of a wind power variable-pitch system, high vibration grade, high coastal smoke corrosion, narrow wheel hub space and the like.
Description
Technical field
The present invention relates to a kind of electric variable pitch control system, especially relate to a kind of permanent-magnet DC brushless variable blade control system.
Background technique
The wind power generation electric variable-pitch control system mainly acts on exactly through changing the facing the wind size of angle of fan blade and carries out power adjustments.
Existing electric variable propeller system all is two kinds of DC brush excitation electromotor system and AC induction motor systems mostly.DC brush excitation electromotor system start-up torque is big, speed governing is convenient, control is simple, speed of response is fast but need carry out periodic maintenance, excitation division to motor brush and divide that heating seriously need be installed fan additional, operational efficiency is low and cost is higher; The AC induction motor system motor firm in structure durable, cheap but its to the having relatively high expectations of driver, detent torque is little, the low cruise heating more also need install fan additional and dynamic response is slower.
At present domestic also have indivedual manufacturers to begin to manufacture experimently the pitch-controlled system that adopts permagnetic synchronous motor, but it belongs to the high-precision servo control system, has increased system cost, and the height of pitch-controlled system running environment vibrations performance, and its ride quality is also unstable.
Summary of the invention
The object of the invention is exactly to provide a kind of wind power pitch-controlled system operating ambient temperature excursion that is more suitable for big for the defective that overcomes above-mentioned existing technology existence; Vibration class is high, the strong and narrow and small permanent-magnet DC brushless variable blade control system in wheel hub space of coastal smog corrosion.
The object of the invention can be realized through following technological scheme:
A kind of permanent-magnet DC brushless variable blade control system; It is characterized in that; Comprise primary power supply, master control cabinet, axle control cabinet, REDUNDANCY ENCODER, standby power supply, motor; Described primary power supply is connected with the master control cabinet, and described master control cabinet is connected with axle control cabinet, REDUNDANCY ENCODER respectively through bus, and described axle control cabinet is connected with standby power supply, motor respectively.
Described master control cabinet comprises PLC, peripheral control circuit, and described PLC is connected with the first peripheral control circuit.
Described axle control cabinet is provided with 3, is respectively first control cabinet, second control cabinet, the 3rd control cabinet; Described standby power supply is provided with 3, is respectively first standby power supply, second standby power supply, the 3rd standby power supply; Described motor is provided with 3, is respectively first motor, second motor, the 3rd motor; Described first control cabinet is connected with first standby power supply, first motor respectively, and described second control cabinet is connected with second standby power supply, second motor respectively, and described the 3rd control cabinet is connected with the 3rd standby power supply, the 3rd motor respectively.
Described REDUNDANCY ENCODER is provided with 3, is respectively first REDUNDANCY ENCODER, second REDUNDANCY ENCODER, triple redundance encoder.
Described bus is CAN bus or PROFIBUS Field bus.
Described first control cabinet, second control cabinet, the 3rd control cabinet include driver, the second peripheral control circuit.
Described first motor, second motor, the 3rd motor are non-brush permanent-magnet DC motor.
Compared with prior art, the present invention has the permanent-magnet DC brushless of employing actuating motor, and it is fast to have speed of response; Compact structure, efficient is high, and specific power is big; The low speed torque ride quality is good, non-sympathetic motor, major advantage such as heat dispersion is superior; Be equipped with some special electrical design again, the summary system also has the following advantages:
(1) motor need not be equipped with the heating tape, need not be equipped with the fan heat radiation, and the adaptive temperature wide ranges does not have brush non-maintaining.
(2) adopt modular design, aim at exclusive drive controlling of each design and management unit,, reduced system failure point, improve the reliability of system through reducing the use of unnecessary protection device in the cabinet.
(3) adopt the grade ELMO of army of AC/DC universal servo,, both can drive AC motor, also can drive direct current generator through simple configuration.
(4) three blade drive and controls under the system failure, can independently be accomplished the task of putting away the oars, and have strengthened the Security of blower fan system.
(5) adopt reserve battery to design in groups; Strengthen the convenience that standby power supply is safeguarded, adopted brand-new standby power supply administrative skill, guaranteed its reliability of operation under rugged environment for a long time; Prolonged the life-span of battery, and simultaneously can the on-line real time monitoring power supply status.
(6) adopt the wide temperature range type design, special applied environment demand has all been considered in the design of all parts, and cabinet has adopted fan cooling system and electric heater simultaneously, can be applicable to-40-50 degree ambient temperature range condition in, strengthened reliability of system operation.
(7) cabinet symmetric design, the convenient installation has economical boundary dimension and weight, and axle control cabinet is interchangeable.
Characteristics such as it is big to make that this pitch-controlled system is more suitable for wind power pitch-controlled system operating ambient temperature excursion, and vibration class is high, and the strong and wheel hub space of coastal smog corrosion is narrow and small.
Description of drawings
Fig. 1 is a structural representation of the present invention.
Embodiment
Below in conjunction with accompanying drawing and specific embodiment the present invention is elaborated.
As shown in Figure 1; A kind of permanent-magnet DC brushless variable blade control system; Comprise primary power supply 2, master control cabinet 1, axle control cabinet, REDUNDANCY ENCODER, standby power supply, motor; Described primary power supply 2 is connected with master control cabinet 1, and described master control cabinet 1 is connected with axle control cabinet, REDUNDANCY ENCODER respectively through bus 15, and described axle control cabinet is connected with standby power supply, motor respectively.Described axle control cabinet is provided with 3, is respectively first control cabinet 3, second control cabinet 4, the 3rd control cabinet 5; Described standby power supply is provided with 3, is respectively first standby power supply 6, second standby power supply 7, the 3rd standby power supply 8; Described motor is provided with 3, is respectively first motor 9, second motor 10, the 3rd motor 11; Described first control cabinet 3 is connected with first standby power supply 6, first motor 9 respectively, and described second control cabinet 4 is connected with second standby power supply 7, second motor 10 respectively, controls cabinet 5 and is connected with the 3rd standby power supply 8, the 3rd motor 11 respectively for described the 3rd.Described REDUNDANCY ENCODER is provided with 3, is respectively first REDUNDANCY ENCODER 12, second REDUNDANCY ENCODER 13, triple redundance encoder 14.
Described first control cabinet 3, second control cabinet 4, the 3rd control cabinet 5 include driver, the second peripheral control circuit.Described first motor 9, second motor 10, the 3rd motor 11 are non-brush permanent-magnet DC motor.
Adopt non-brush permanent-magnet DC motor as actuator, adopt the AC/DC universal servo driver, be equipped with upper-position unit PLC and form a distributing multi-axis control system as driving element.
Because motor stator is that permanent magnet so heating are very little, does not need fan, has reduced volume, the length that has shortened motor is more suitable for the wheel hub small space and installs.The carbon brush that does not have common DC motor does not need brush to safeguard, strengthened reliability, and detent torque is big, low cruise is functional.Feedback means adopts many circle absolute value encoders; Improved the control accuracy of system; Driver not only can directly be controlled motor and also can please promptly put away the oars descending through dc bus access DC electrical source in the principal point power down, and the dual design of putting away the oars has increased the reliability of the control of putting away the oars greatly.
Claims (7)
1. permanent-magnet DC brushless variable blade control system; It is characterized in that; Comprise primary power supply, master control cabinet, axle control cabinet, REDUNDANCY ENCODER, standby power supply, motor; Described primary power supply is connected with the master control cabinet, and described master control cabinet is connected with axle control cabinet, REDUNDANCY ENCODER respectively through bus, and described axle control cabinet is connected with standby power supply, motor respectively.
2. a kind of permanent-magnet DC brushless variable blade control system according to claim 1 is characterized in that described master control cabinet comprises PLC, peripheral control circuit, and described PLC is connected with the first peripheral control circuit.
3. a kind of permanent-magnet DC brushless variable blade control system according to claim 1 is characterized in that, described axle control cabinet is provided with 3, is respectively first control cabinet, second control cabinet, the 3rd control cabinet; Described standby power supply is provided with 3, is respectively first standby power supply, second standby power supply, the 3rd standby power supply; Described motor is provided with 3, is respectively first motor, second motor, the 3rd motor; Described first control cabinet is connected with first standby power supply, first motor respectively, and described second control cabinet is connected with second standby power supply, second motor respectively, and described the 3rd control cabinet is connected with the 3rd standby power supply, the 3rd motor respectively.
4. a kind of permanent-magnet DC brushless variable blade control system according to claim 1 is characterized in that described REDUNDANCY ENCODER is provided with 3, is respectively first REDUNDANCY ENCODER, second REDUNDANCY ENCODER, triple redundance encoder.
5. a kind of permanent-magnet DC brushless variable blade control system according to claim 1 is characterized in that described bus is the CAN bus.
6. a kind of permanent-magnet DC brushless variable blade control system according to claim 3 is characterized in that, described first control cabinet, second control cabinet, the 3rd control cabinet include driver, the second peripheral control circuit.
7. a kind of permanent-magnet DC brushless variable blade control system according to claim 3 is characterized in that described first motor, second motor, the 3rd motor are non-brush permanent-magnet DC motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102156285A CN102312773A (en) | 2010-06-29 | 2010-06-29 | Permanent magnetic direct-current brushless variable-pitch control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102156285A CN102312773A (en) | 2010-06-29 | 2010-06-29 | Permanent magnetic direct-current brushless variable-pitch control system |
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| Publication Number | Publication Date |
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| CN102312773A true CN102312773A (en) | 2012-01-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010102156285A Pending CN102312773A (en) | 2010-06-29 | 2010-06-29 | Permanent magnetic direct-current brushless variable-pitch control system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106330642A (en) * | 2016-08-31 | 2017-01-11 | 三重型能源装备有限公司 | Wind power control system and wind power control method |
| CN114567127A (en) * | 2021-12-08 | 2022-05-31 | 浙江运达风电股份有限公司 | Common-bus multi-transmission variable-pitch motor driving device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2005021962A1 (en) * | 2003-09-03 | 2005-03-10 | General Electric Company | Redundant blade pitch control system for a wind turbine and method for controlling a wind turbine |
| CN101624969A (en) * | 2009-08-04 | 2010-01-13 | 清华大学 | Redundancy control system and redundancy control method for wind power generation propeller change |
| CN101646867A (en) * | 2007-02-13 | 2010-02-10 | 罗伯特.博世有限公司 | Drive device for driving several axles |
| CN201763525U (en) * | 2010-06-29 | 2011-03-16 | 上海派恩科技有限公司 | Permanent magnet direct current brushless pitch control device |
-
2010
- 2010-06-29 CN CN2010102156285A patent/CN102312773A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2005021962A1 (en) * | 2003-09-03 | 2005-03-10 | General Electric Company | Redundant blade pitch control system for a wind turbine and method for controlling a wind turbine |
| CN101646867A (en) * | 2007-02-13 | 2010-02-10 | 罗伯特.博世有限公司 | Drive device for driving several axles |
| CN101624969A (en) * | 2009-08-04 | 2010-01-13 | 清华大学 | Redundancy control system and redundancy control method for wind power generation propeller change |
| CN201763525U (en) * | 2010-06-29 | 2011-03-16 | 上海派恩科技有限公司 | Permanent magnet direct current brushless pitch control device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106330642A (en) * | 2016-08-31 | 2017-01-11 | 三重型能源装备有限公司 | Wind power control system and wind power control method |
| CN114567127A (en) * | 2021-12-08 | 2022-05-31 | 浙江运达风电股份有限公司 | Common-bus multi-transmission variable-pitch motor driving device |
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Application publication date: 20120111 |