摘要
针对一台5 MW高速永磁风力发电机,选取永磁体容易发生失磁的高温及短路工况,对永磁发电机的负载和三相突然短路进行数字仿真。根据仿真结果研究了永磁风力发电机的工作温度对风力发电机负载输出参数,以及三相突然短路时永磁体抗去磁能力的影响。在分析过程中结合了钕铁硼(NdFeB)磁钢的测试参数,使计算结果更加准确。所得结论对大功率高速永磁风力发电机的设计和运用具有参考意义。
Based on a 5 MW high-speed permanent magnet wind power generator, at the conditions of high- temperatures and short-circuit, the digital simulations of the working conditions that load and three-phase sudden short-circuit were completed. The load output parameters, and the abifity of anti-demagnetization when three-phase sudden short-circuit of the permanent magnet wind power generator were analyzed when at different operating temperatures. During the analysis process, the test parameters of some kinds of NdFeB magnet were combined with so that the results provide a basis for calculation accuracy. The conclusions had reference value on the designation and application of 5 MW high-speed permanent magnet wind power generator.
出处
《电机与控制应用》
北大核心
2013年第4期22-27,共6页
Electric machines & control application
关键词
高速永磁
风力发电机
高温短路
失磁
high-speed permanent magnet
wind power generator
high-temperature short- circuited
demagnetization
