CN102588212A - Manual variable-propeller device for wind generating set - Google Patents

Manual variable-propeller device for wind generating set Download PDF

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Publication number
CN102588212A
CN102588212A CN2012100774198A CN201210077419A CN102588212A CN 102588212 A CN102588212 A CN 102588212A CN 2012100774198 A CN2012100774198 A CN 2012100774198A CN 201210077419 A CN201210077419 A CN 201210077419A CN 102588212 A CN102588212 A CN 102588212A
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CN
China
Prior art keywords
generating set
contactor
change device
power supply
manual
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN2012100774198A
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Chinese (zh)
Inventor
李永战
董健
张大同
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Guodian United Power Technology Co Ltd
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Guodian United Power Technology Co Ltd
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Publication date
Application filed by Guodian United Power Technology Co Ltd filed Critical Guodian United Power Technology Co Ltd
Priority to CN2012100774198A priority Critical patent/CN102588212A/en
Publication of CN102588212A publication Critical patent/CN102588212A/en
Pending legal-status Critical Current

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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/70Wind energy
    • Y02E10/72Wind turbines with rotation axis in wind direction

Abstract

The invention relates to a manual variable-propeller device for a wind generating set, which mainly comprises a control cabinet and a transformer mounted in the control cabinet, wherein the transformer is used for converting an alternating-current power supply externally connected with the control cabinet into a direct-current power supply so as to supply power to a servo motor of a variable-propeller system. Without providing a 400V main power supply on a wind generating set hoisting site, the manual variable-propeller device can realize manual propeller variation by the aid of a 230V external alternating-current power supply so as to facilitate hoisting of the set, can realize rapid and accurate alignment of a variable-propeller bearing zero point with a blade zero pint by means of a rapid operating mode and a slow operating mode, and can individually perform electronic brake testing for the variable-propeller motor before use, thereby being more suitable for popularization and use.

Description

The manual vane change device of wind power generating set
Technical field
The present invention relates to the wind-powered electricity generation field, the manual vane change device of particularly a kind of wind power generating set.
Background technique
In wind-powered electricity generation unit hoisting process; The accurate contraposition of blade installation is an operation job complicated and consuming time in the lifting work; In addition; Because this need of work was accomplished at the lifting initial stage, at this moment pitch-controlled system does not possess the condition of powering on or on-the-spot 400V power supply facilities is not in place as yet, therefore can't utilize the driver operation DC servo motor of pitch-controlled system in the wheel hub to accomplish the rotation and the location work of pitch variable bearings.
This shows; How to found a kind of on-the-spot in the wind field lifting; When wind generating set pitch control system does not supply the 400V electricity; 230V external ac power source capable of using drives the pitch variable bearings rotation, and blade is carried out the manual vane change device of wind power generating set of the new structure of contraposition, is one of current important subject in related domain.
Summary of the invention
The technical problem that the present invention will solve provides the manual vane change device of a kind of wind power generating set; Make its on-the-spot 230V alternator capable of using realize pitch-controlled system control; Through driving the rotation of DC servo motor control pitch variable bearings; Thereby make full use of the on-the-spot physical condition of lifting, solve the practical difficulty in the hoisting process, overcome the deficiency of existing wind generating set pitch control device.
For solving the problems of the technologies described above; The manual vane change device of a kind of wind power generating set of the present invention; Mainly comprise control cabinet and be installed in the transformer in the control cabinet that transformer converts the outside ac power supply that connects of control cabinet into dc power supply and supplies power to the actuating motor of pitch-controlled system.
As a kind of improvement of the present invention, described transformer has high and low two kinds of VDC grades output, supplies power to actuating motor through the high, low speed contactor respectively.
Be equipped with normally opened contact and normally closed auxiliary contact on the control loop of described high, low speed contactor, and normally closed auxiliary contact is concatenated into respectively in the other side's control loop and forms interlocking.
Also be connected with the clockwise and counterclockwise contactor of change on the output circuit of described high, low speed contactor to actuating motor power supply polarity.
Be equipped with three normally opened contacts and a normally closed auxiliary contact on the control loop of described clockwise and counterclockwise contactor, and normally closed auxiliary contact is concatenated into respectively in the other side's control loop and forms interlocking.
Described transformer also and be connected to the electric brake test loop, this loop mainly comprises the electric brake contactor and converts external ac power source into DC electrical source and to the rectifier of the electric brake module for power supply of pitch-controlled system.
What described clockwise and counterclockwise contactor also was provided with control electric brake contactor often drives auxiliary contact.
Described control cabinet is circumscribed with button box, and the contactor control knob in the control cabinet all is arranged on this button box.
Be provided with power switch between described transformer and the external ac power source.
Described power switch is arranged on the control cabinet.
After adopting such structure, the present invention has the following advantages at least:
1, can't provide under the situation of 400V primary power supply at wind field lifting scene, utilize the 230V external ac power source can realize manually becoming oar, help through the lifting work of unit;
2, provide fast and two kinds of mode of operations at a slow speed, realize pitch variable bearings zero point and blade zero point fast, accurate contraposition;
3, can before using, carry out the electric brake test to becoming the oar motor separately, thereby be more suitable for promoting the use of.
Description of drawings
Above-mentioned only is the general introduction of technological scheme of the present invention, understands technological means of the present invention in order can more to know, below in conjunction with accompanying drawing and embodiment the present invention is done further detailed description.
Fig. 1 is the connection schematic representation of the manual vane change device of wind power generating set of the present invention.
Fig. 2 is the manual vane change device embodiment's of wind power generating set of the present invention circuit theory diagrams.
Embodiment
See also Fig. 1, shown in Figure 2; The manual vane change device of wind power generating set of the present invention; Mainly comprise control cabinet and be installed in the transformer in the control cabinet that this transformer converts the outside ac power supply that connects of control cabinet into dc power supply and supplies power to the actuating motor of pitch-controlled system.
Specifically, outside interim ac power supply is connected with manual vane change device through the power supply and the control plug of feed cable and control cabinet right flank, and the inner transformer of utilized device converts dc power supply into.Dc power supply docks controlled change oar motor the corresponding interface through the motor power plug, connects and drive through power cable to become the oar DC servo motor, the pitch variable bearings action on the DC servo motor drive hub.
In addition, as shown in the figure, control cabinet right flank top can be provided with a power switch, control power connection and disconnection.Control cabinet also can and be controlled plug, the external button box of actuating cable through power supply, and each control knob all is arranged on this button box, makes it carry out remote operation to manual vane change device.Button box for example comprises that control respectively becomes four buttons that the oar motor turned clockwise, is rotated counterclockwise, selected velocity mode and electric brake test.
Preferable; As shown in Figure 2; Manually vane change device has fast and two kinds of patterns at a slow speed, so transformer has high and low two kinds of VDC grades output, is triggered in the control cabinet at a high speed or the low speed contactor by speed set button on the button box; Through the high, low speed contactor HV or low voltage are supplied with actuating motor respectively, realize the quick or slow running pattern of manual vane change device.When the zero point on the pitch variable bearings and the zero distance on the blade are far away, quick mode capable of using, the zero point on the control pitch variable bearings is fast near the zero point on the blade.When the zero point on the pitch variable bearings and the zero distance on the blade near the time, slow speed mode capable of using is carried out accurate contraposition.
On the output circuit of high, low speed contactor, can be connected with the clockwise and counterclockwise contactor of change, control through the clockwise and counterclockwise button on the button box respectively to actuating motor power supply polarity.The polarity of supplying with the DC electrical source of actuating motor through change realizes the clockwise of actuating motor and is rotated counterclockwise, and finally controls the clockwise of pitch variable bearings and is rotated counterclockwise.Change the pitch variable bearings dead-center position according to on-the-spot actual demand, with the accurate contraposition of blade dead-center position.
In addition; Also there is an independent change oar motor electronic brake diagnostic test loop in the manual vane change device of the present invention; This electric brake test loop and transformer also connect; Mainly comprise electric brake contactor and rectifier, rectifier converts external ac power source into DC electrical source, supplies with the electric brake module that becomes the oar motor.The electric brake contactor can be controlled through the change oar motor electronic brake diagnostic test button on the button box, and the DC electronic brake that becomes the oar motor is tested separately.
In the embodiment shown in Figure 2; External power supply through power supply on feed cable and the manual vane change device right flank and control interface receive-the X1 terminal on, receive on the input terminal of transformer-1T1 through power switch-1Q1 on the manual vane change device right flank and the manual inner circuit breaker-1F1 of vane change device.
Transformer-1T1 converts the 230V ac power supply of input to the DC electrical source output of high and low two electric pressures.High-voltage dc power supply output is through the normally opened contact 1,2 of rapid contactless-1K5; Low-voltage dc power supply output is through the normally opened contact 1,2 of contactor-1K4 at a slow speed, and wherein rapid contactless-1K5 is controlled by the selector button of the velocity mode on the button box-1S4 with the coil power supply of contactor-1K4 at a slow speed.Rapid contactless-1K5 and at a slow speed the normally closed auxiliary contact 13,14 of contactor-1K4 go here and there respectively and form interlocking in the other side's the control loop.
Through rapid contactless-1K5 and the DC electrical source behind the normally opened contact 1,2 of contactor-1K4 at a slow speed; Pass through the normally opened contact 1,2 of circuit breaker-1F2, clockwise contactor-1K1 and counterclockwise contactor-1K2 again; 3,4 and 5,6, finally be loaded on the armature and field coil that becomes the oar motor.The coil power supply of contactor-1K1 and counterclockwise contactor-1K2 is respectively by the clockwise button-1S2 on the button box and button-1S3 control counterclockwise clockwise.Clockwise contactor-1K1 and the normally closed auxiliary contact 21,22 of contactor-1K2 are counterclockwise gone here and there respectively and are formed interlocking in the other side's the control loop.
The 230V communication power supply is through behind circuit breaker-1F1, and rectifier-1A1 is supplied with through electric brake contactor-1K3 in another loop, and rectifier is rectified into DC electrical source with ac power supply and is loaded on the electric brake that becomes the oar motor.The coil power supply of electric brake contactor-1K3 is by the button of the electric brake on the button box-1S1 control; Can carry out independent electric brake test; Also can control, guarantee to become the electric brake release when doing clockwise and being rotated counterclockwise of oar motor through the auxiliary contact 13,14 of often opening of clockwise contactor-1K1 and counterclockwise contactor-1K2.
The above; It only is preferred embodiment of the present invention; Be not that the present invention is done any pro forma restriction, those skilled in the art utilize the technology contents of above-mentioned announcement to make a little simple modification, equivalent variations or modification, all drop in protection scope of the present invention.

Claims (10)

1. manual vane change device of wind power generating set; It is characterized in that mainly comprising control cabinet and be installed in the transformer in the control cabinet that transformer converts the outside ac power supply that connects of control cabinet into dc power supply and supplies power to the actuating motor of pitch-controlled system.
2. the manual vane change device of wind power generating set according to claim 1 is characterized in that described transformer has high and low two kinds of VDC grades output, supplies power to actuating motor through the high, low speed contactor respectively.
3. the manual vane change device of wind power generating set according to claim 2; It is characterized in that being equipped with normally opened contact and normally closed auxiliary contact on the control loop of described high, low speed contactor, and normally closed auxiliary contact is concatenated into respectively in the other side's control loop and forms interlocking.
4. the manual vane change device of wind power generating set according to claim 2 is characterized in that also being connected with on the output circuit of described high, low speed contactor the clockwise and counterclockwise contactor of change to actuating motor power supply polarity.
5. the manual vane change device of wind power generating set according to claim 4; It is characterized in that being equipped with three normally opened contacts and a normally closed auxiliary contact on the control loop of described clockwise and counterclockwise contactor, and normally closed auxiliary contact is concatenated into respectively in the other side's control loop and forms interlocking.
6. the manual vane change device of wind power generating set according to claim 4; It is characterized in that described transformer also and be connected to the electric brake test loop, this loop mainly comprises the electric brake contactor and converts external ac power source into DC electrical source and to the rectifier of the electric brake module for power supply of pitch-controlled system.
7. the manual vane change device of wind power generating set according to claim 6, what it is characterized in that described clockwise and counterclockwise contactor also is provided with control electric brake contactor often drives auxiliary contact.
8. according to the manual vane change device of each described wind power generating set among the claim 2-7, it is characterized in that described control cabinet is circumscribed with button box, the contactor control knob in the control cabinet all is arranged on this button box.
9. according to the manual vane change device of each described wind power generating set among the claim 1-7, it is characterized in that being provided with power switch between described transformer and the external ac power source.
10. the manual vane change device of wind power generating set according to claim 9 is characterized in that described power switch is arranged on the control cabinet.
CN2012100774198A 2012-03-22 2012-03-22 Manual variable-propeller device for wind generating set Pending CN102588212A (en)

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Application Number Priority Date Filing Date Title
CN2012100774198A CN102588212A (en) 2012-03-22 2012-03-22 Manual variable-propeller device for wind generating set

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Application Number Priority Date Filing Date Title
CN2012100774198A CN102588212A (en) 2012-03-22 2012-03-22 Manual variable-propeller device for wind generating set

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105240212A (en) * 2015-11-10 2016-01-13 四川东方电气自动控制工程有限公司 Manual pitch change control system based on PLC
CN105257474A (en) * 2015-11-10 2016-01-20 四川东方电气自动控制工程有限公司 Manual paddle varying control system
CN103670920B (en) * 2012-09-06 2016-06-01 台达电子工业股份有限公司 The blade zero point backup of wind-driven variable pitch system and wind-driven variable pitch system and restoration methods
CN109989881A (en) * 2019-05-21 2019-07-09 国电联合动力技术有限公司 Control device and its control method and unit for single blade of wind turbine lifting
CN110017245A (en) * 2019-03-30 2019-07-16 埃斯倍风电科技(青岛)有限公司 A kind of double redundancy control circuits and method for driving motor internal contracting brake in pitch-controlled system

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CN201433850Y (en) * 2009-05-22 2010-03-31 北京工业大学 DC variable pitch system having super-capacitor energy accumulation
CN202645854U (en) * 2012-03-22 2013-01-02 国电联合动力技术有限公司 Wind driven generator set manual propeller adjusting device

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CN202645854U (en) * 2012-03-22 2013-01-02 国电联合动力技术有限公司 Wind driven generator set manual propeller adjusting device

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Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103670920B (en) * 2012-09-06 2016-06-01 台达电子工业股份有限公司 The blade zero point backup of wind-driven variable pitch system and wind-driven variable pitch system and restoration methods
US9453498B2 (en) 2012-09-06 2016-09-27 Delta Electronics, Inc. Method for backing up and recovering blade zero point of pitch drive system for wind turbine and pitch drive system for wind turbine
CN105240212A (en) * 2015-11-10 2016-01-13 四川东方电气自动控制工程有限公司 Manual pitch change control system based on PLC
CN105257474A (en) * 2015-11-10 2016-01-20 四川东方电气自动控制工程有限公司 Manual paddle varying control system
CN105240212B (en) * 2015-11-10 2018-05-04 四川东方电气自动控制工程有限公司 A kind of manual variable blade control system based on PLC
CN105257474B (en) * 2015-11-10 2018-06-29 四川东方电气自动控制工程有限公司 A kind of manual variable blade control system
CN110017245A (en) * 2019-03-30 2019-07-16 埃斯倍风电科技(青岛)有限公司 A kind of double redundancy control circuits and method for driving motor internal contracting brake in pitch-controlled system
CN110017245B (en) * 2019-03-30 2024-01-26 埃斯倍风电科技(青岛)有限公司 Redundant control circuit and method for motor band-type brake in double-drive variable-pitch system
CN109989881A (en) * 2019-05-21 2019-07-09 国电联合动力技术有限公司 Control device and its control method and unit for single blade of wind turbine lifting

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Application publication date: 20120718