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Wind generating set galloping emergency yaw control circuit

A wind turbine and yaw control technology, which is applied in the control of wind turbines, wind turbines, and engine control parameters, etc., can solve the problem of high unit proportion, achieve safety protection, improve availability, and avoid switch overcurrent tripping Effect

Pending Publication Date: 2022-03-04
HUANENG NEW ENERGY CO LTD SHANXI BRANCH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] 66 sets of Mingyang 1.5MW generating units are installed in the wind farm. Wind turbine manufacturers and equipment operation and maintenance units try to avoid the occurrence of speeding accidents by optimizing design concepts and strengthening equipment management. However, looking at the accident cases of wind turbines in recent years, flying Accidents still occur, especially the units installed in the early stage have a high proportion of flying accidents

Method used

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  • Wind generating set galloping emergency yaw control circuit
  • Wind generating set galloping emergency yaw control circuit

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] A speeding emergency yaw control circuit of a wind power generating set, which comprises a protection circuit 1 and a yaw circuit 2, and the protection circuit is connected to the yaw circuit;

[0025] The protection circuit includes a first circuit 7 composed of a coil of the third time relay 4;

[0026] A second loop 8 composed of the normally open contact of the third time relay, the normally closed contact of the speed relay 3 and the coil of the intermediate relay connected in series;

[0027] The normally open contact of the intermediate relay and the third loop 9 formed in series with the first time relay coil 5;

[0028] Another set of normally open contacts of the intermediate relay, the normally closed contacts of the first time relay and the second time relay coil form the fourth loop 10;

[0029] The first circuit is connected to the normally open contact of the speed relay.

Embodiment 2

[0031] According to the emergency yaw control circuit of the wind power generating set described in Embodiment 1, the second loop is connected to the third loop through wiring.

Embodiment 3

[0033] According to the emergency yaw control circuit of the wind turbine generator set described in embodiment 1 or 2, the fourth circuit is respectively connected to the clockwise yaw circuit and the yaw brake pressure full release circuit through lead wires.

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PUM

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Abstract

Provided is a galloping emergency yaw control circuit of a wind generating set. Galloping accidents of the wind-proof motor set occur occasionally. The method comprises a protection loop (1) and a yaw loop (2), wherein the protection loop is connected with the yaw loop; the protection loop comprises a first loop (7) formed by a coil of a third time relay (4); the second loop (8) is formed by connecting a normally open contact of the third time relay, a normally closed contact of the rotating speed relay (3) and a coil of the intermediate relay in series; a normally open contact of the intermediate relay is connected in series with a coil (5) of the first time relay to form a third loop (9); the other group of normally open contacts of the intermediate relay, the normally closed contact of the first time relay and the coil of the second time relay form a fourth loop (10); and the first loop is connected to a normally open contact of the rotating speed relay. The method is used for galloping emergency yaw control of the wind generating set.

Description

technical field [0001] The invention relates to a speeding emergency yaw control circuit of a wind power generating set. Background technique [0002] 66 Mingyang 1.5MW units are installed in the wind farm. Wind turbine manufacturers and equipment operation and maintenance units try to avoid speeding accidents by optimizing design concepts and strengthening equipment management. Accidents still occur, especially the units installed in the early stage have a high proportion of overrun accidents. [0003] According to statistics, there are not a few accidents in the wind power industry that cause fires and tower collapses every year due to overrunning wind turbines, and the losses caused by overrunning wind turbines are immeasurable. In line with the requirements of "safety first, prevention first", on the premise of strengthening operation and maintenance management, various optimization and transformation plans were tested and formulated. At the same time, considering facto...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F03D7/00F03D7/04
CPCF03D7/00F03D7/0204F03D7/043F05B2270/1011F05B2270/32Y02E10/72
Inventor 王海侠赵帅车坤涛曹志华刘宇杨潞凯
Owner HUANENG NEW ENERGY CO LTD SHANXI BRANCH