主控系统是现代风力发电机的神经中枢。风电主控系统可根据风速、风向对系统加以控制，在稳定的电压和频率下运行，自动地并网和脱网，并监视齿轮箱、发电机的运行温度，液压系统的油压，对出现的任何异常进行报警，必要时自动停机。保证风电机组安全可靠运行，实现自然风的大利用率和高的能量转化率，向电网提供良好的电能。
一般采用PAC、PLC作为此控制系统的主控制器，通过检测电网参数、风况、现场温度参数，对风电机组进行并、脱网控制，同时根据风况进行偏航、变桨等动作，以进行优化控制，从而提高风电机组的运行效率与发电质量。控制器主要有Bachmann、Beckhoff 、ABB、Mita等公司产品，主控系统多由风机厂设计成套，小规模风机厂则有国内专业公司集成，如：科诺伟业、成都阜特、天津瑞能、东方电气自动化、上海海得等。
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The main control system is the nerve center of modern wind turbine. The wind power master control system can control the system according to the wind speed and direction, operate under stable voltage and frequency, automatically connect to and disconnect from the grid, monitor the operating temperature of the gearbox and generator, the oil pressure of the hydraulic system, give an alarm for any abnormality, and automatically shut down if necessary. Ensure the safe and reliable operation of wind turbine, realize the maximum utilization rate of natural wind and the maximum energy conversion rate, and provide good power to the power grid.
Generally, PAC and PLC are used as the main controllers of this control system. By detecting power grid parameters, wind conditions and on-site temperature parameters, the wind turbine is controlled in parallel and off-line. At the same time, yaw, pitch and other actions are carried out according to the wind conditions to optimize the control, so as to improve the operation efficiency and power generation quality of the wind turbine. The controllers mainly include products of Bachmann, Beckhoff, abb, Mita and other companies. The main control system is mostly designed and completed by the fan factory, while the small-scale fan factory is integrated by domestic professional companies, such as Kono Weiye, Chengdu Fute, Tianjin Ruineng, Dongfang Electric Automation, Shanghai Haide, etc.
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