CN102817776A - High-speed spindle braking safety system for wind turbine generator systems and safety control method - Google Patents
High-speed spindle braking safety system for wind turbine generator systems and safety control method Download PDFInfo
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- CN102817776A CN102817776A CN2012103071599A CN201210307159A CN102817776A CN 102817776 A CN102817776 A CN 102817776A CN 2012103071599 A CN2012103071599 A CN 2012103071599A CN 201210307159 A CN201210307159 A CN 201210307159A CN 102817776 A CN102817776 A CN 102817776A
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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 discloses a high-speed spindle braking safety system for wind turbine generator systems and a safety control method. The high-speed spindle braking safety system for wind turbine generator systems comprises a high-speed spindle rotational speed detection module, a high-speed spindle braking module and a safety module; the safety module comprises a safety module input unit and a relay output unit connected with the safety module input unit; the output end of the high-speed spindle rotational speed detection module is connected with the safety module input unit, and the relay output unit is connected with the high-speed spindle braking module; and when the safety module receives an instruction triggering a high-speed spindle to brake and then judges that the rotational speed of the high-speed spindle is lower than a certain rated value, the high-speed spindle braking module is directly triggered by the relay output unit. Since the high-speed spindle braking module is directly driven by the safety module, intermediate links are reduced, consequently, the safety level of the safety system is increased, and the reliable operation of a wind turbine generator system is guaranteed.
Description
Technical field
The present invention relates to the wind power generating set field of security systems, particularly, relate to a kind of wind power generating set high speed shaft brake safety system and method for controlling security.
Background technique
In recent years, Chinese wind-powered electricity generation industry high speed development, electric motor power is doubled year after year.Along with the extensive development of wind-powered electricity generation, the wind power generating set technology is ripe gradually, and is strict more to wind power generating set reliability of operation and security requirement.Aspect the safe operation of assurance wind power generating set, safety system plays great role.
As shown in Figure 1; Existing wind power generating set high speed shaft brake safety system; Comprise high speed shaft rotating speed testing module, security module, master control system, relay, high speed shaft brake module; When emergency stop button triggering wind power generating set high speed shaft brake safety system is carried out the high speed shaft brake, need through the master control system trigger relay, thereby reduced level of security.When master control system breaks down or relay all can not trigger the high speed shaft brake when breaking down reliably, can not accomplish the wind power generating set emergency shutdown.If high speed shaft brake misoperation will cause damage to the wind power generating set high speed shaft under the situation that does not need the high speed shaft brake, threaten the wind power generating set safe operation.
Summary of the invention
The purpose of this invention is to provide a kind of wind power generating set high speed shaft brake safety system and method for controlling security; Can't trigger the defective of high speed shaft brake in the time of can overcoming master control system fault of the prior art reliably; Simultaneously; Reduce the wearing and tearing risk of high speed shaft, avoid occurring the wind power generating set major accident, can improve the level of security of safety system.
To achieve these goals, the present invention adopts following technological scheme:
A kind of wind power generating set high speed shaft brake safety system; Comprise high speed shaft rotating speed testing module and high speed shaft brake module; Also comprise security module, the relay output unit that said security module includes the security module input unit and is connected with the security module input unit; The output terminal attachment security module input unit of said high speed shaft rotating speed testing module, the relay output unit connects the high speed shaft brake module.
Further, also comprise the relay output testing module that is connected with the relay output unit of said security module, said security module also comprises the alarm unit that is connected with said relay output testing module.
Further, said high speed shaft brake module function realizes through the wind power generating set hydraulic system.
Further, said security module and relay output testing module are installed in the wind generating set engine room control cabinet, and said high speed shaft rotating speed testing module and high speed shaft brake module are installed in the wind generating set engine room.
A kind of wind power generating set high speed shaft brake method of controlling security; After security module receives triggering high speed shaft brake instruction; The security module input unit of security module judges whether the high speed shaft rotating speed from high speed shaft rotating speed testing module is lower than certain rating value, as be lower than rating value then security module relay output unit directly control the high speed shaft brake module and carry out the high speed shaft brake.
Further, after the high speed shaft brake module carried out high speed shaft brake, security module relay output testing module detected the high speed shaft brake, if do not detect the high speed shaft brake then the alarm unit of security module is reported to the police.
The present invention is owing to take above technological scheme, and it has the following advantages:
1, the present invention has reduced medium tache owing to directly drive the high speed shaft brake module by security module, therefore improved safety system level of security, guaranteed the wind power generating set reliable operation.
2, the present invention is owing to be provided with high speed shaft rotating speed testing module, and security module has reduced the risk of the wearing and tearing of high speed shaft judging that the high speed shaft rotating speed then triggers the high speed shaft brake module when being lower than certain rating value, avoids occurring the wind power generating set major accident.
3, the present invention is owing to be provided with security module relay output testing module; Can monitor the high speed shaft action message that whether brakes; If action can not trigger warning immediately, strengthened monitoring function, thereby improved the reliability of wind power generating set safety system.
4, the present invention is owing to be on the basis of the original electrical system of wind-powered electricity generation unit, to design, therefore have be widely used, practical characteristics.
Through accompanying drawing and embodiment, technological scheme of the present invention is done further detailed description below.
Description of drawings
Fig. 1 is a wind power generating set high speed shaft brake safety system structured flowchart of the prior art;
Fig. 2 is a wind power generating set high speed shaft brake safety system structured flowchart of the present invention;
Fig. 3 is the flow chart of wind power generating set high speed shaft brake method of controlling security of the present invention.
Embodiment
Below in conjunction with accompanying drawing the preferred embodiments of the present invention are described, should be appreciated that preferred embodiment described herein only is used for explanation and explains the present invention, and be not used in qualification the present invention.
As shown in Figure 2; A kind of wind power generating set high speed shaft brake safety system of the present invention; Comprise high speed shaft rotating speed testing module and high speed shaft brake module, also comprise security module, the relay output unit that security module includes the security module input unit and is connected with the security module input unit; The output terminal attachment security module input unit of high speed shaft rotating speed testing module, the relay output unit connects the high speed shaft brake module, and among the figure, emergency stop button is used to trigger high speed shaft brake safety system and carries out the high speed shaft brake.Compared with prior art; The security module of every typhoon power generator group is not carried out the high speed shaft brake through master control system, relay control high speed shaft brake module among the present invention; Carry out the high speed shaft brake and directly control the high speed shaft brake module through the relay output unit of security module; Thereby reduced medium tache and reduced likelihood of failure, strengthened the safety system level of security.
In the foregoing description, safety system also can comprise the relay output testing module that is connected with the relay output unit of security module, and security module also comprises the alarm unit that is connected with said relay output testing module.Wherein, relay output testing module can detect high speed shaft brake situation, if fault is reported to the police through alarm unit, the attendant can in time be apprised of, and guarantees the wind power generating set safe and stable operation.
In the above-described embodiments, high speed shaft brake module function realizes through the wind power generating set hydraulic system.
In the above-described embodiments, security module and relay output testing module are installed in the wind generating set engine room control cabinet, and said high speed shaft rotating speed testing module and high speed shaft brake module are installed in the wind generating set engine room.
As shown in Figure 3, a kind of wind power generating set high speed shaft brake method of controlling security of the present invention is:
When receiving the wind power generating set emergency shutdown, security module need trigger theft-resistant link chain (promptly triggering the high speed shaft brake) when instructing; The security module input unit of security module judges whether the high speed shaft rotating speed from high speed shaft rotating speed testing module is lower than certain rating value, as be lower than rating value then security module relay output unit directly export control high speed shaft brake module and carry out the high speed shaft brake.After the high speed shaft brake module carries out the high speed shaft brake; The security module relay output testing module situation that brake feeds back to the relay output unit according to high speed shaft detects high speed shaft brake situation (whether fault is arranged), if do not detect the high speed shaft brake then the alarm unit of security module is reported to the police.
In the above-described embodiments, security module input and output signal adopt digital quantity signal.
In sum; The present invention is under simple as far as possible electrical structure; The reliability of safety system, the effective risk of the wind power generating set safety system having been monitored, reduced the wearing and tearing of high speed shaft have been strengthened; Avoid occurring the wind power generating set major accident, thereby strengthened wind power generating set reliability of operation and Security basis.Invention have be widely used, practical characteristics, can be applicable in the wind-power electricity generation industry.
What should explain at last is: the above is merely the preferred embodiments of the present invention; Be not limited to the present invention; Although the present invention has been carried out detailed explanation with reference to previous embodiment; For a person skilled in the art, it still can be made amendment to the technological scheme that previous embodiment is put down in writing, and perhaps part technical characteristics wherein is equal to replacement.All within spirit of the present invention and principle, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (6)
1. wind power generating set high speed shaft brake safety system; Comprise high speed shaft rotating speed testing module and high speed shaft brake module; It is characterized in that, also comprise security module, the relay output unit that said security module includes the security module input unit and is connected with the security module input unit;
The output terminal attachment security module input unit of said high speed shaft rotating speed testing module, the relay output unit connects the high speed shaft brake module.
2. wind power generating set high speed shaft brake safety system according to claim 1; It is characterized in that; Also comprise the relay output testing module that is connected with the relay output unit of said security module, said security module also comprises the alarm unit that is connected with said relay output testing module.
3. wind power generating set high speed shaft brake safety system according to claim 1 and 2 is characterized in that said high speed shaft brake module function realizes through the wind power generating set hydraulic system.
4. wind power generating set high speed shaft brake safety system according to claim 2; It is characterized in that; Said security module and relay output testing module are installed in the wind generating set engine room control cabinet, and said high speed shaft rotating speed testing module and high speed shaft brake module are installed in the wind generating set engine room.
5. wind power generating set high speed shaft brake method of controlling security; It is characterized in that; After security module receives triggering high speed shaft brake instruction; The security module input unit of security module judges whether the high speed shaft rotating speed from high speed shaft rotating speed testing module is lower than certain rating value, as be lower than rating value then security module relay output unit directly control the high speed shaft brake module and carry out the high speed shaft brake.
6. wind power generating set high speed shaft brake method of controlling security according to claim 5; It is characterized in that; After the high speed shaft brake module carries out the high speed shaft brake; Security module relay output testing module detects the high speed shaft brake, if do not detect the high speed shaft brake then the alarm unit of security module is reported to the police.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012103071599A CN102817776A (en) | 2012-08-24 | 2012-08-24 | High-speed spindle braking safety system for wind turbine generator systems and safety control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012103071599A CN102817776A (en) | 2012-08-24 | 2012-08-24 | High-speed spindle braking safety system for wind turbine generator systems and safety control method |
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| CN102817776A true CN102817776A (en) | 2012-12-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2012103071599A Pending CN102817776A (en) | 2012-08-24 | 2012-08-24 | High-speed spindle braking safety system for wind turbine generator systems and safety control method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3643915A1 (en) | 2018-10-25 | 2020-04-29 | General Electric Company | System and method for application of a brake for a wind turbine |
| CN115750208A (en) * | 2022-12-02 | 2023-03-07 | 华能新能源上海发电有限公司 | Logic control system for braking of high-speed shaft of wind generating set |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1934780A (en) * | 2004-03-16 | 2007-03-21 | 神钢电机株式会社 | Power generation system |
| CN101033733A (en) * | 2007-04-11 | 2007-09-12 | 浙江大学 | Digital intelligent hydraulic brake system for large and medium-sized wind turbines |
| CN201747522U (en) * | 2010-08-09 | 2011-02-16 | 重庆科凯前卫风电设备有限责任公司 | Aerogenerator unit safe control device |
| CN102022261A (en) * | 2010-11-29 | 2011-04-20 | 浙江大学 | Wind turbine brake system |
| CN202789322U (en) * | 2012-08-24 | 2013-03-13 | 国电联合动力技术有限公司 | High-speed shaft brake safety system of wind power generator set |
-
2012
- 2012-08-24 CN CN2012103071599A patent/CN102817776A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1934780A (en) * | 2004-03-16 | 2007-03-21 | 神钢电机株式会社 | Power generation system |
| CN101033733A (en) * | 2007-04-11 | 2007-09-12 | 浙江大学 | Digital intelligent hydraulic brake system for large and medium-sized wind turbines |
| CN201747522U (en) * | 2010-08-09 | 2011-02-16 | 重庆科凯前卫风电设备有限责任公司 | Aerogenerator unit safe control device |
| CN102022261A (en) * | 2010-11-29 | 2011-04-20 | 浙江大学 | Wind turbine brake system |
| CN202789322U (en) * | 2012-08-24 | 2013-03-13 | 国电联合动力技术有限公司 | High-speed shaft brake safety system of wind power generator set |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3643915A1 (en) | 2018-10-25 | 2020-04-29 | General Electric Company | System and method for application of a brake for a wind turbine |
| US11274654B2 (en) | 2018-10-25 | 2022-03-15 | General Electric Company | System and method for application of a brake for a wind turbine |
| CN115750208A (en) * | 2022-12-02 | 2023-03-07 | 华能新能源上海发电有限公司 | Logic control system for braking of high-speed shaft of wind generating set |
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Application publication date: 20121212 |