CN210599275U - Wind power pitch control system - Google Patents
Wind power pitch control system Download PDFInfo
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- CN210599275U CN210599275U CN201921013288.0U CN201921013288U CN210599275U CN 210599275 U CN210599275 U CN 210599275U CN 201921013288 U CN201921013288 U CN 201921013288U CN 210599275 U CN210599275 U CN 210599275U
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- pitch
- oar
- variable
- wind power
- cabinet
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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 utility model relates to a wind-powered electricity generation becomes oar system. The wind power pitch-variable system comprises a pitch-variable driving cabinet, a pitch-variable motor connected with the pitch-variable driving cabinet and a pitch-variable control cabinet connected with the pitch-variable driving cabinet, wherein a pitch-variable driver is arranged in the pitch-variable driving cabinet, a pitch-variable controller is arranged in the pitch-variable control cabinet, the wind power pitch-variable system further comprises a pitch-variable system fault recorder, and the pitch-variable system fault recorder is connected with a safety chain signal input end and an output end of the pitch-variable driving cabinet and a three-phase alternating-current input end of. The wind power pitch system comprises a pitch system fault recorder, so that the recording of key data of the wind power pitch system can be realized, and hardware support is provided for fault processing of the wind power pitch system.
Description
Technical Field
The utility model relates to a wind-powered electricity generation becomes oar system belongs to wind power generation fault monitoring field.
Background
The occurrence of the faults of the variable pitch system of the wind turbine generator is not only related to the reasons of the system, but also closely related to the real-time wind conditions of a wind field in many cases, and certain faults only occur under special wind conditions. The occurrence of the special wind conditions has certain randomness and unpredictability, technicians are often out of the site at the moment of fault occurrence, and even if the technicians are just in the site, various key data before and after the fault occurrence are difficult to capture timely and effectively, so that the difficulty is brought to the researches on the fault reason and the fault phenomenon of the variable pitch system for the technicians.
SUMMERY OF THE UTILITY MODEL
The utility model provides a wind-powered electricity generation becomes oar system for it provides hardware support to become oar system fault handling for wind-powered electricity generation.
The utility model provides a pair of wind-powered electricity generation becomes oar system, become the oar switch board including becoming the oar drive cabinet, with the change oar motor that becomes the oar drive cabinet and be connected with becoming the oar drive cabinet, become to be provided with in the oar drive cabinet and become the oar driver, become to be provided with in the oar switch board and become the oar controller, wind-powered electricity generation becomes oar system still including becoming the trouble oscillograph of oar system, become the three-phase AC input of oar system trouble oscillograph sampling connection change the safety chain signal input and the output of oar drive cabinet and become the oar motor.
The beneficial effects are that: the wind power pitch system comprises a pitch system fault recorder, so that the recording of key data of the wind power pitch system can be realized, and hardware support is provided for fault processing of the wind power pitch system.
Furthermore, the fault oscillograph of the variable pitch system is also connected with the rotary transformer and/or temperature signal output end of the variable pitch motor in a sampling mode.
The beneficial effects are that: the recording of the rotary change and/or temperature signals of the variable-pitch motor is realized.
Furthermore, the wind power pitch system further comprises a super capacitor cabinet connected with the pitch driving cabinet, a super capacitor module is arranged in the super capacitor cabinet, and the fault recorder of the pitch system is connected with voltage signals on two sides of the super capacitor module in a sampling mode.
The beneficial effects are that: the recording of voltage signals on two sides of the super capacitor module is realized.
Furthermore, the variable pitch motor driving cabinet is connected with an energy consumption brake resistor, and the fault recorder of the variable pitch system also samples and connects voltage signals on two sides of the energy consumption brake resistor.
The beneficial effects are that: the recording of voltage signals on two sides of the energy consumption brake resistor is realized.
Furthermore, the fault oscillograph of the variable pitch system also samples and connects a contracting brake power supply control signal of the variable pitch motor of the variable pitch drive cabinet.
Has the advantages that: the wave recording of the contracting brake power supply control signal of the variable pitch motor is realized.
Further, the fault oscillograph of the pitch control system comprises a clock chip.
The beneficial effects are that: the fault recorder of the variable pitch system can provide time information of signal recording.
Further, the fault recorder of the variable pitch system comprises a data communication module.
The beneficial effects are that: the fault recorder of the variable pitch system can realize data transmission.
Further, the fault oscillograph of the variable pitch system comprises a human-computer interaction module.
The beneficial effects are that: the fault recorder of the variable pitch system can realize information interaction with related personnel.
Drawings
Fig. 1 is the utility model discloses wind-powered electricity generation becomes oar electrical wiring schematic diagram of system embodiment of the wind-powered electricity generation.
Detailed Description
Wind-powered electricity generation becomes oar system embodiment:
as shown in fig. 1, the wind power pitch system in this embodiment includes a pitch control cabinet (not shown), a pitch drive cabinet, a pitch motor, a pitch super capacitor cabinet, and a pitch system fault recorder. The pitch control cabinet is internally provided with a pitch controller, the pitch drive cabinet is internally provided with a pitch driver, the pitch super capacitor cabinet is internally provided with a charging electric group and a super capacitor module, the super capacitor module is used as a backup power supply of the pitch drive cabinet and is mutually independent from a conventional power supply system of the pitch drive cabinet, and the conventional power supply of the pitch drive cabinet is derived from a three-phase four-wire system alternating current input cable L1\ L2\ L3\ N.
The variable-pitch drive cabinet is connected with the variable-pitch control cabinet through CAN communication lines (CANH and CANL), a three-phase alternating current output cable U \ V \ W of the variable-pitch drive cabinet is connected with the input end of the variable-pitch motor, and a fault recorder of the variable-pitch system is connected with the three-phase alternating current input end of the variable-pitch motor in a sampling manner and used for sampling three-phase alternating current input current and voltage information of the variable-pitch motor (a small black block in figure 1 represents a current sensor, I represents a current sensoru(+ -) is a U-phase current detection signal cable, Iv(+ -) is a V-phase current detection signal cable, IW(+ -) is a W-phase current detection signal cable, UuFor U-phase voltage detection cables, UVFor V-phase voltage detection cables, UWIs a W-phase voltage detection cable).
The variable pitch motor is also connected with the variable pitch drive cabinet through a variable pitch motor signal cable and used for feeding back motor rotation signals (sine signals SIN, cosine signals COS and sine excitation signals REF) and motor temperature signals to the variable pitch drive cabinet, and the variable pitch system fault recorder is connected with the variable pitch motor signal cable in a sampling mode and used for sampling the motor rotation signals and the motor temperature signals (Resolver in figure 1 is the variable pitch motor signal cable).
In this embodiment, the pitch system fault oscillograph further samples and connects the safety chain signal input and output ends of the pitch drive cabinet (in fig. 1, AOK + is the safety chain signal input side, and AOK-is the safety chain signal output side), and according to the collected safety chain signal, the pitch system fault oscillograph can judge whether the pitch system is faulty or not.
And a charging switch KA is further arranged between the variable-pitch drive cabinet and the variable-pitch super capacitor cabinet and used for charging the super capacitor module by the variable-pitch drive cabinet in a conventional power supply mode.
In the embodiment, the pitch control drive cabinet is connected with an energy consumption brake resistor, and the fault recorder of the pitch control system samples and connects voltage signals at two sides of the energy consumption brake resistor (in fig. 1, RB-is negative at the access side of the energy consumption brake resistor, and RB + is positive at the access side of the energy consumption brake resistor).
In the embodiment, the fault recorder of the pitch control system is connected with voltage signals at two sides of the super capacitor module, the temperature of the pitch control driving cabinet and a power control signal of a pitch control motor brake of the pitch control driving cabinet in a sampling manner (in fig. 1, BA +/-is positive/negative of a power supply side of the super capacitor, PT100 +/-is a temperature signal cable of the pitch control driving cabinet, and BR is a power control signal of the pitch control motor brake).
The internal structure of the pitch system fault recorder in the embodiment comprises a memory and a processor, and further comprises a clock chip capable of providing time information of year, month, day, hour, minute and second, a data communication module capable of uploading fault recording data to remote equipment, and a human-computer interaction module capable of directly displaying the fault recording data locally. Specifically, the data communication module and the family interaction module CAN be respectively realized through an RS-485 communication interface circuit (485A, 485B), a CAN communication interface circuit (CANH, CANL) and a touch screen display interface.
In this embodiment, the backup power source is a super capacitor module, and as another embodiment, the backup power source may also be a battery pack.
In this embodiment, the fault recorder of the pitch system is connected with a plurality of signals in a sampling manner, and as other embodiments, one or at least two of the signals may be connected in a sampling manner.
The utility model discloses technical scheme's core has add the trouble oscillograph of oar system of becoming on former basis of becoming the oar system, and former becomes the oar system including becoming the oar switch board, becoming oar drive cabinet, motor and stand-by power supply, becomes oar switch board, becomes oar drive cabinet, motor and stand-by power supply inner structure and be prior art, and the relation of connection between them also is prior art, the utility model discloses just no longer carry out the detailed description to becoming oar switch board, becoming oar drive cabinet, motor and stand-by power supply.
Claims (8)
1. The utility model provides a wind-powered electricity generation becomes oar system, includes to become oar drive cabinet, the change oar motor of being connected with the change oar drive cabinet and the change oar switch board of being connected with the change oar drive cabinet, is provided with in the change oar drive cabinet and becomes the oar controller, its characterized in that, wind-powered electricity generation becomes oar system still including becoming the oar system trouble oscillograph ware, become the oar system trouble oscillograph ware sampling connection and become the safety chain signal input and the output of oar drive cabinet and become the three-phase AC input end of oar motor.
2. The wind power pitch system according to claim 1, wherein the pitch system fault recorder further samples and connects the rotary transformer and/or temperature signal output end of the pitch motor.
3. The wind power pitch system according to claim 1, wherein the wind power pitch system further comprises a super capacitor cabinet connected with the pitch drive cabinet, a super capacitor module is arranged in the super capacitor cabinet, and the pitch system fault recorder further samples voltage signals on two sides of the super capacitor module.
4. The wind power pitch system according to claim 1, wherein the pitch motor driving cabinet is connected with a dynamic braking resistor, and the pitch system fault recorder further samples voltage signals on two sides of the dynamic braking resistor.
5. The wind power pitch system according to claim 1, wherein the fault recorder of the pitch system further samples a contracting brake power supply control signal of a pitch motor connected with the pitch drive cabinet.
6. The wind power pitch system according to claim 1, wherein the pitch system fault recorder comprises a clock chip.
7. The wind power pitch system according to claim 1, wherein the fault recorder of the pitch system comprises a data communication module.
8. The wind power pitch system according to claim 1, wherein the pitch system fault recorder comprises a human-computer interaction module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921013288.0U CN210599275U (en) | 2019-07-01 | 2019-07-01 | Wind power pitch control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921013288.0U CN210599275U (en) | 2019-07-01 | 2019-07-01 | Wind power pitch control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210599275U true CN210599275U (en) | 2020-05-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921013288.0U Active CN210599275U (en) | 2019-07-01 | 2019-07-01 | Wind power pitch control system |
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| CN (1) | CN210599275U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112177846A (en) * | 2020-09-29 | 2021-01-05 | 新疆金风科技股份有限公司 | Wind generating set safety chain system, monitoring method and variable pitch controller |
-
2019
- 2019-07-01 CN CN201921013288.0U patent/CN210599275U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112177846A (en) * | 2020-09-29 | 2021-01-05 | 新疆金风科技股份有限公司 | Wind generating set safety chain system, monitoring method and variable pitch controller |
| CN112177846B (en) * | 2020-09-29 | 2021-12-14 | 新疆金风科技股份有限公司 | Wind generating set safety chain system, monitoring method and variable pitch controller |
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