Effect of Damper Winding and Stator Slot Skewing Structure on No-Load Voltage Waveform Distortion and Damper Bar Heat in Large Tubular Hydro Generator. - Zhen-Nan Fan; Li Han; Yong Liao; Li-Dan Xie; Kun Wen; Jun Wang 013; Xiu-Cheng Dong; Bing Yao (IEEE Access, 2018)