基于余弦函数的无传感器永磁风机IF起动平滑切换方法
陈同有,杨家强,郑仕达,孟德智,康敏

IF starting smooth switching method of sensorless permanent magnet fan based on cosine function
Tong-you CHEN,Jia-qiang YANG,Shi-da ZHENG,De-zhi MENG,Min KANG
图 9 加减载过程的iq电流和转速变化波形
Fig.9 iq current and speed variation waveforms during loading and unloading