Active pitch control system of wind driven generator with special working condition processing logic
A control system and logic processing technology, which is applied in the control of wind turbines, wind power generation, wind turbines, etc., to achieve the effects of improving safety, solving reliability problems, and rigorous logic
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[0033] The technical solution of the present invention will be described in further detail below according to the accompanying drawings.
[0034] The typical structure of the pitch control system with special working condition processing logic applied in the present invention is shown in the attached figure 1 , the pitch-changing PLC is connected with the first to the third motor drivers through the CAN bus. The first to third motor drivers respectively drive the first to third motors. The first to third motors respectively drive the first to third blade bearings, and through the rotation of the three blade bearings, the angles of the three blades can be changed. Under normal working conditions, the pitch-changing PLC sends angle commands to the motor driver through the CAN bus, and the motor driver drives the motor to drive the blade bearing to rotate to realize the following and positioning control of the blade angle. The first to third blade angle feedbacks are respectivel...
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