Wind power pitch control system and wind power pitch system
A technology of control system and pitch control system, which is applied in the control of wind turbines, wind power generation, wind turbines, etc., can solve the problems of high cost and large volume, and achieve the goals of saving occupied space, improving competitiveness, and simplifying work tasks Effect
Inactive Publication Date: 2017-05-17
STATE GRID CORP OF CHINA +3
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Problems solved by technology
[0006] The purpose of the present invention is to provide a wind power pitch control system and a wind power pitch control system to solve the problems of high cost and large volume of the existing seven-cabinet pitch control system
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Embodiment Construction
[0023] The present invention will be described in further detail below in conjunction with the accompanying drawings.
[0024] Such as figure 1 Shown is a schematic diagram of the relationship between the cabinets of the present invention. There are six core cabinets, which are respectively three pitch drive cabinets and three corresponding backup power supply cabinets. Temperature detection devices and heating, Cooling device, in addition to the peripheral equipment, the pitch drive cabinet is mainly equipped with a pitch drive, which is used to control the pitch motor, and the power lines, communication lines, and signal lines of the pitch drives in the three pitch drive cabinets are collected to After the overvoltage protection cabinet is transmitted to the main control system of the fan through the lightning protection module, the collected signals are uploaded to the main control system of the fan. The main control system of the fan is a control system with PLC as the con...
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The invention relates to a wind power variable pitch control system and a wind power variable pitch system. The variable pitch system comprises three variable pitch motors and also comprises three variable pitch driving cabinets and three standby power supply cabinets corresponding to the three variable pitch driving cabinets; a variable pitch driving device of a corresponding blade is arranged in each variable pitch driving cabinet; the variable pitch driving devices are connected by communication lines, signal lines and power supply lines for adapting the communication lines, signal lines and power supply lines to a slide ring of a wind power unit main control system; each variable pitch driving device is in driving connection with the respective corresponding variable motor. The wind power variable pitch control system and the wind power variable pitch system have the beneficial effects that most functions of a center control cabinet of a traditional seven-cabinet variable pitch system is realized by the wind power unit main control system, so the space occupied by a center control cabinet is saved, the cost of the variable pitch system is reduced and the competitiveness of manufactures is improved.
Description
technical field [0001] The invention relates to a wind power pitch control system and a wind power pitch system. Background technique [0002] In recent years, worldwide, especially in China, the installed capacity of wind turbines has continued to increase rapidly. As a result, the competition in the wind power industry has intensified, and the cost per kilowatt of wind turbines has also continued to decrease. Therefore, reducing costs without affecting system functions and reliability has become a common goal pursued by wind power companies. The pitch system is one of the core components of wind turbines, how to simplify its structure, reduce its cost, improve its reliability and maintainability has also become a very meaningful topic. [0003] The current pitch system generally includes a central control cabinet, three shaft control cabinets and three backup power supply cabinets. The central control cabinet is a control cabinet, which has a pitch control PLC; the axis ...
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IPC IPC(8): F03D7/00
CPCY02E10/72Y02P70/50
Inventor 袁金库卢仁宝武愈振王建伟谢金娟王朝东李松博张朋朋石磊
Owner STATE GRID CORP OF CHINA