Lightning protection device of pitch control system accessories

A technology of control system and lightning protection, which is applied in the control of wind turbines, wind power generation, wind turbines, etc. It can solve the problems of easy damage and no reports of lightning protection devices, and achieve easy installation, simple structure, and protection safety Effect

Active Publication Date: 2015-01-07
STATE GRID CORP OF CHINA +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The disadvantage of this lightning protection device is that since the insulators and wires in the pitch control system also serve as grounding conductors, the insulators and wires in the pitch control system and their fan lines are more likely to be damaged when lightning stri

Method used

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  • Lightning protection device of pitch control system accessories
  • Lightning protection device of pitch control system accessories

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Embodiment Construction

[0012] refer to figure 1 , figure 2 Make the invention. The lightning protection device of the pitch control system accessories is characterized in that it is composed of a collector plate 1, a carbon fiber brush 2 and a gasket pressing plate 3, and the seat plate 4 of the carbon fiber brush 2 is superimposed and fixed on the collector plate by screws 5 In the middle of the front edge of 1, the collector plate 1 is installed at the position of a bolt hole to the left under the large ring gear of the pitch control system, and is directly connected to the metal shell of the wind turbine, which is beneficial to connect through the special lightning protection wire of the metal shell of the wind turbine Conductive, the carbon fiber brush 2 touches the large ring gear, so that the static electricity imbalance can be compensated by the carbon fiber brush 2, and the gasket pressure plate 3 is superimposed and fixed on the middle of the upper plate surface of the collector plate 1 t...

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PUM

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Abstract

The invention discloses a lightning protection device of pitch control system accessories. The lightning protection device is characterized by being formed by a power collector plate, a carbon fiber brush and a gasket pressing plate; a base plate of the carbon fiber brush plate is fixed in the middle of the front edge of the power collector plate through a screw in a stacked mode; the gasket pressing plate is fixed in the middle of the upper plate surface of the power collector plate through a bolt in a stacked mode. According to the lightning protection device of the pitch control system accessories, the lightning electric charge quantity can be effectively absorbed and released through a power collector claw, meanwhile the electric charge produced in the operation process of a pitch control system is released through a spark discharger, and accordingly the lightning stroke of an insulator, a lead and a fan circuit which are arranged in the pitch control system can be effectively prevented, the structure is simple, the maintenance is convenient, and the installation is easy.

Description

technical field [0001] The invention relates to an improvement of a lightning protection device for wind power generation, in particular to a lightning protection device for accessories of a pitch control system. It mainly prevents lightning strike damage to insulators and wires in the pitch control system of wind power generation blades and its fan lines. Background technique [0002] With the continuous improvement of wind power generation technology and China's continuous support for wind power generation, wind turbines are widely used in China. Wind turbines are often distributed in relatively high areas such as mountains, hills, plateaus, or open areas such as coastal areas, where the probability of lightning strikes is high. Since the height of the wind turbine itself is generally above 100 meters, and the pitch control system is located at the top of the wind turbine, it is easier to Lightning is induced and struck by lightning, which damages the wind turbine, causin...

Claims

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Application Information

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IPC IPC(8): F03D7/00
CPCY02E10/72
Inventor 杨啸帅许伟颖田纯赵信华李宗波杨啸君
Owner STATE GRID CORP OF CHINA
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