Wind generating set anti-galloping control system and control method

• Main Authors: ZHANG YUNNING, GONG ZHIPENG, WAN ANPING, LIU HAINAN, AO LIZHENG, YAO ZHEHE, JI YUNSONG, MA SHIDONG, YAO FARENG, CHEN XI
• Format: Patent
• Language: Chinese; English
• Published: 22.12.2023
• Subjects: BLASTING; HEATING; LIGHTING; MACHINES OR ENGINES FOR LIQUIDS; MECHANICAL ENGINEERING; OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR; PRODUCING MECHANICAL POWER; WEAPONS; WIND MOTORS; WIND, SPRING WEIGHT AND MISCELLANEOUS MOTORS

The anti-galloping control system comprises a power generator and a control system, the power generator is connected with a main bearing through a rotating shaft, and the main bearing is connected with a wind wheel through a rotating shaft; the control system comprises a variable pitch system, a yaw system and a main shaft brake system; the rotating shaft between the generator and the main bearing and the rotating shaft between the main bearing and the wind wheel are respectively provided with a speed sensor and an acceleration sensor, the speed sensors are connected with a speed judgment module, and the acceleration sensors are connected with an acceleration judgment module; the speed judgment module is connected with the acceleration judgment module in series and connected with an electromagnetic relay, and a reed switch used for controlling starting of the variable pitch system is arranged at the front end of the electromagnetic relay. According to the invention, galloping accidents can be effectively avoi