The wind turbine control unit (WPCU) is the control core of each wind turbine and is distributed in the tower and engine room of the wind turbine. Due to the harsh field operation environment of wind turbines, the reliability of the control system is required to be very high. The wind power control system is specially designed for the operation requirements of large-scale wind farms and should have extremely high environmental adaptability and anti-electromagnetic interference capabilities.

Its system structure is as follows: Field control stations of wind power control system include: tower base main controller cabinet, engine room control station cabinet, pitch control system, converter system, field touch screen station, Ethernet switch, field bus communication network, UPS power supply, emergency shutdown backup system, etc.

Its basic functions of our control system include:

(1) Data Acquisition (DA) function: including acquisition of power grid, meteorology and unit parameters, realization of control, alarm, recording and curve functions, etc.

(2) Unit control functions: including automatic unit startup, grid connection control, speed control, power control, reactive power compensation control, automatic wind control, cable release control, automatic disconnection, safe shutdown control, etc.

(3) Remote monitoring system functions: including monitoring of unit parameters and related equipment status, historical and real-time curve functions, cumulative monitoring of unit operation status, etc.

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