CN110190620A - A kind of high pressure of pitch-controlled system passes through circuit and method - Google Patents
A kind of high pressure of pitch-controlled system passes through circuit and method Download PDFInfo
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- CN110190620A CN110190620A CN201910172070.8A CN201910172070A CN110190620A CN 110190620 A CN110190620 A CN 110190620A CN 201910172070 A CN201910172070 A CN 201910172070A CN 110190620 A CN110190620 A CN 110190620A
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- pitch
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- controlled system
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- high pressure
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- 238000000034 method Methods 0.000 title claims abstract description 12
- 238000001514 detection method Methods 0.000 claims abstract description 23
- 238000011084 recovery Methods 0.000 claims description 3
- 238000010248 power generation Methods 0.000 description 3
- 239000005431 greenhouse gas Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000002427 irreversible effect Effects 0.000 description 1
Classifications
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- H02J3/386—
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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
- Y02E10/76—Power conversion electric or electronic aspects
Abstract
The invention discloses a kind of high pressures of pitch-controlled system to pass through circuit and method, the circuit includes the network voltage detection module for accessing external electrical network, the network voltage detection module is separately connected a relay and a switch K1, switch K1 connection contactor, pitch-controlled system accesses external electrical network by switch K2, relay coil obtain it is electric after switch K1 can be made to be attracted, to obtain contactor coil electric after switch K1 is attracted, contactor coil obtain it is electric after make switch K2 actuation.The high pressure of presently disclosed pitch-controlled system passes through circuit and method, and when external electrical network generation high pressure is passed through, under the premise of guaranteeing pitch-controlled system safety, making it, high pressure is not cut out immediately, to extend the generating dutation of wind-driven generator, improves generating efficiency.
Description
Technical field
The invention belongs to the high pressures in wind-driven generator field, in particular to one of field pitch-controlled system to pass through circuit
And method.
Background technique
Electric power is indispensable form of energy in daily production and life.Traditional thermal power generation will not only consume greatly
The fossil resource of amount, and a large amount of greenhouse gases can be discharged；Although nuclear energy power generation not emission greenhouse gas is very endangered
Danger, once there is accident, will cause irreversible destruction, so various countries are all greatly developing in recent years with wind-force to environment
Power generation is the clean energy resource of representative.
The wind turbines rotor of mainstream is all the form for adding blade using wheel hub at present, in order to guarantee that the constant speed of wind wheel turns
It is dynamic, it is necessary to be adjusted in real time by Windward angle of the pitch-controlled system to each blade of blower.And how to be sent out in external electrical network
The safety of each device in protection pitch-controlled system inside when raw high pressure is passed through, is that technical problems to be solved are badly in need of in this field.
Summary of the invention
The technical problem to be solved by the invention is to provide a kind of high pressures of pitch-controlled system to pass through circuit and method.
The present invention adopts the following technical scheme:
A kind of high pressure of pitch-controlled system passes through circuit, thes improvement is that: the circuit includes the electricity for accessing external electrical network
Net voltage detection module, the network voltage detection module are separately connected a relay and a switch K1, and switch K1 connection connects
Tentaculum, pitch-controlled system by switch K2 access external electrical network, relay coil obtain it is electric after can make switch K1 actuation, switch K1 suction
Obtain contactor coil after conjunction electric, contactor coil obtain it is electric after make switch K2 be attracted.
A kind of high pressure traversing method of pitch-controlled system, using above-mentioned circuit, it is improved in that including following step
It is rapid:
(1) network voltage detection module monitors external electrical network voltage in the normal range when, obtain relay coil electric, relay
Coil obtain it is electric after switch K1 can be made to be attracted, to obtain contactor coil electric after switch K1 actuation, contactor coil obtain it is electric after make out
It closes K2 to be attracted, pitch-controlled system works on power after switch K2 is attracted；
(2) when external electrical network voltage increases 1.1 times, network voltage detection module guard relay coil obtains electric, makes variable pitch system
System works normally；
It (3) is more than 10 seconds when external electrical network voltage increases 1.2 times and duration, network voltage detection module makes relay coil
Power-off can be such that switch K1 disconnects after relay coil power-off, and switch K1 powers off contactor coil after disconnecting, contactor coil
Disconnect switch K2 after power-off, switch K2 cuts out pitch-controlled system high pressure after disconnecting；
(4) when external electrical network voltage increases 1.2 times+specific setting voltage value, network voltage detection module makes relay coil
Power-off cuts out pitch-controlled system high pressure；
(5) pitch-controlled system is in 3 seconds after high pressure is cut out, and is powered by the backup power supply of pitch-controlled system, if external electrical network this 3
Restore normal in second, then network voltage detection module, which obtains relay coil, electric makes pitch-controlled system continue to work normally；
(6) if external electrical network is normal without recovery in 3 seconds after pitch-controlled system high pressure is cut out, pitch-controlled system feathering stops
Machine.
Further, in step (4), specific setting voltage value is 5V.
The beneficial effects of the present invention are:
The high pressure of presently disclosed pitch-controlled system passes through circuit and method, when external electrical network generation high pressure is passed through, is guaranteeing
Under the premise of pitch-controlled system safety, making it, high pressure is not cut out immediately, to extend the generating dutation of wind-driven generator, is improved
Generating efficiency.
Detailed description of the invention
Fig. 1 is the connection relationship diagram in circuit disclosed in the embodiment of the present invention 1 between each component.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, right below in conjunction with drawings and examples
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
Embodiment 1, as shown in Figure 1, present embodiment discloses a kind of high pressures of pitch-controlled system to pass through circuit, the circuit
Network voltage detection module 1 including accessing external electrical network, the network voltage detection module are separately connected a relay 2 and one
A switch K1, switch K1 connection contactor 3, pitch-controlled system by switch K2 access external electrical network, relay coil obtain it is electric after can
So that switch K1 is attracted, to obtain contactor coil electric after switch K1 is attracted, contactor coil obtain it is electric after make switch K2 actuation.
A kind of high pressure traversing method of pitch-controlled system is included the following steps: using above-mentioned circuit
(1) network voltage detection module monitors external electrical network voltage in the normal range when, obtain relay coil electric, relay
Coil obtain it is electric after switch K1 can be made to be attracted, to obtain contactor coil electric after switch K1 actuation, contactor coil obtain it is electric after make out
It closes K2 to be attracted, pitch-controlled system works on power after switch K2 is attracted；
(2) when external electrical network voltage increases 1.1 times, network voltage detection module guard relay coil obtains electric, makes variable pitch system
System works normally；
It (3) is more than 10 seconds when external electrical network voltage increases 1.2 times and duration, network voltage detection module makes relay coil
Power-off can be such that switch K1 disconnects after relay coil power-off, and switch K1 powers off contactor coil after disconnecting, contactor coil
Disconnect switch K2 after power-off, switch K2 cuts out pitch-controlled system high pressure after disconnecting；
(4) when external electrical network voltage increase 1.2 times+specific setting voltage value (such as 5V) when, network voltage detection module make after
Electric apparatus coil power-off cuts out pitch-controlled system high pressure；
(5) pitch-controlled system is in 3 seconds after high pressure is cut out, and is powered by the backup power supply of pitch-controlled system, if external electrical network this 3
Restore normal in second, then network voltage detection module, which obtains relay coil, electric makes pitch-controlled system continue to work normally；
(6) if external electrical network is normal without recovery in 3 seconds after pitch-controlled system high pressure is cut out, pitch-controlled system feathering stops
Machine.
In the present embodiment, the voltage rating of external electrical network is 400V.
Claims (3)
1. a kind of high pressure of pitch-controlled system passes through circuit, it is characterised in that: the circuit includes the power grid for accessing external electrical network
Voltage detection module, the network voltage detection module are separately connected a relay and a switch K1, switch K1 connection contact
Device, pitch-controlled system by switch K2 access external electrical network, relay coil obtain it is electric after can make switch K1 actuation, switch K1 actuation
After to obtain contactor coil electric, contactor coil obtain it is electric after be attracted switch K2.
2. a kind of high pressure traversing method of pitch-controlled system, uses circuit described in claim 1, which is characterized in that including as follows
Step:
(1) network voltage detection module monitors external electrical network voltage in the normal range when, obtain relay coil electric, relay
Coil obtain it is electric after switch K1 can be made to be attracted, to obtain contactor coil electric after switch K1 actuation, contactor coil obtain it is electric after make out
It closes K2 to be attracted, pitch-controlled system works on power after switch K2 is attracted；
(2) when external electrical network voltage increases 1.1 times, network voltage detection module guard relay coil obtains electric, makes variable pitch system
System works normally；
It (3) is more than 10 seconds when external electrical network voltage increases 1.2 times and duration, network voltage detection module makes relay coil
Power-off can be such that switch K1 disconnects after relay coil power-off, and switch K1 powers off contactor coil after disconnecting, contactor coil
Disconnect switch K2 after power-off, switch K2 cuts out pitch-controlled system high pressure after disconnecting；
(4) when external electrical network voltage increases 1.2 times+specific setting voltage value, network voltage detection module makes relay coil
Power-off cuts out pitch-controlled system high pressure；
(5) pitch-controlled system is in 3 seconds after high pressure is cut out, and is powered by the backup power supply of pitch-controlled system, if external electrical network this 3
Restore normal in second, then network voltage detection module, which obtains relay coil, electric makes pitch-controlled system continue to work normally；
(6) if external electrical network is normal without recovery in 3 seconds after pitch-controlled system high pressure is cut out, pitch-controlled system feathering stops
Machine.
3. the high pressure traversing method of pitch-controlled system according to claim 2, it is characterised in that: in step (4), specific setting
Voltage value is 5V.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910172070.8A CN110190620A (en) | 2019-03-07 | 2019-03-07 | A kind of high pressure of pitch-controlled system passes through circuit and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910172070.8A CN110190620A (en) | 2019-03-07 | 2019-03-07 | A kind of high pressure of pitch-controlled system passes through circuit and method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110190620A true CN110190620A (en) | 2019-08-30 |
Family
ID=67713673
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910172070.8A Pending CN110190620A (en) | 2019-03-07 | 2019-03-07 | A kind of high pressure of pitch-controlled system passes through circuit and method |
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|---|---|
| CN (1) | CN110190620A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111446736A (en) * | 2020-04-09 | 2020-07-24 | 成都思特电气科技有限公司 | Inversion emergency power supply device of wind turbine generator control system |
| CN114156944A (en) * | 2021-12-03 | 2022-03-08 | 重庆海装风电工程技术有限公司 | High voltage ride through control method, device and medium |
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| CN105610184A (en) * | 2015-12-02 | 2016-05-25 | 成都阜特科技股份有限公司 | Wind power generating set high voltage ride-through control method |
| CN205429756U (en) * | 2015-12-02 | 2016-08-03 | 成都阜特科技股份有限公司 | Wind generating set high voltage passes through controlling means |
| CN106549614A (en) * | 2016-12-12 | 2017-03-29 | 科诺伟业风能设备（北京）有限公司 | A kind of wind generating set pitch control is away from system power network fluctuation guard method |
| CN207752399U (en) * | 2018-02-02 | 2018-08-21 | 淮南矿业(集团)有限责任公司 | A kind of cleaning coal car automatic control system |
| CN207908945U (en) * | 2018-01-24 | 2018-09-25 | 固安华电天仁控制设备有限公司 | A kind of wind power pitch-controlled system supply voltage monitoring relay test-device |
| CN208401530U (en) * | 2018-04-26 | 2019-01-18 | 浙江运达风电股份有限公司 | A kind of protective device exchanging the over-voltage of pitch-controlled system main power source |
| CN209497276U (en) * | 2019-03-07 | 2019-10-15 | 埃斯倍风电科技(青岛)有限公司 | A kind of high pressure of pitch-controlled system passes through circuit |
-
2019
- 2019-03-07 CN CN201910172070.8A patent/CN110190620A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101309003A (en) * | 2008-06-27 | 2008-11-19 | 东南大学 | Synthetic apparatus of anti-flashover and protection for low-voltage three phase asynchronous motor |
| CN203103904U (en) * | 2012-12-31 | 2013-07-31 | 北京天源科创风电技术有限责任公司 | A voltage protecting device of a power supply at a wind turbine generator set grid side |
| CN203301124U (en) * | 2013-06-23 | 2013-11-20 | 埃斯倍风电科技(青岛)有限公司 | Pitch-regulated system protective circuit |
| CN105610184A (en) * | 2015-12-02 | 2016-05-25 | 成都阜特科技股份有限公司 | Wind power generating set high voltage ride-through control method |
| CN205429756U (en) * | 2015-12-02 | 2016-08-03 | 成都阜特科技股份有限公司 | Wind generating set high voltage passes through controlling means |
| CN106549614A (en) * | 2016-12-12 | 2017-03-29 | 科诺伟业风能设备（北京）有限公司 | A kind of wind generating set pitch control is away from system power network fluctuation guard method |
| CN207908945U (en) * | 2018-01-24 | 2018-09-25 | 固安华电天仁控制设备有限公司 | A kind of wind power pitch-controlled system supply voltage monitoring relay test-device |
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| CN208401530U (en) * | 2018-04-26 | 2019-01-18 | 浙江运达风电股份有限公司 | A kind of protective device exchanging the over-voltage of pitch-controlled system main power source |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111446736A (en) * | 2020-04-09 | 2020-07-24 | 成都思特电气科技有限公司 | Inversion emergency power supply device of wind turbine generator control system |
| CN111446736B (en) * | 2020-04-09 | 2023-03-28 | 成都思特电气科技有限公司 | Inversion emergency power supply device of wind turbine generator control system |
| CN114156944A (en) * | 2021-12-03 | 2022-03-08 | 重庆海装风电工程技术有限公司 | High voltage ride through control method, device and medium |
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