2Wang Y N,Gu J C, Chen C M. Real-time tracking of the tor-sional vibration of an induction motor supplied by distortedvoltage sources [J]. Electric Power Systems Research, 2001,57(3) :205 -215.
3Lockley W E, Driscoll T S, Wharran W H, et al. Harmonic-torque considerations applying a 6000-HP induction motor anddrive to a high-speed compressor [ J ]. IEEE Transactions onIndustry Applications, 1995,31(6) : 1412 -1418.
4Joseph Song-Manguelle, Jean-Maurice Nyobe-Yome, GabrielEkemb. Pulsating torques in PWM multi-megawatt drives fortorsional analysis of large shafts [ J]. IEEE Transactions onIndustry Applications,2010,46 (1): 130 - 138.