TITLE:
Study on Torque Ripple of Wound-Field Doubly Salient Generator with No Load
AUTHORS:
Fan Yang, Jin Ma, Haoji Xu
KEYWORDS:
WFDSG, Torque Ripple, Nonlinear Formula
JOURNAL NAME:
World Journal of Engineering and Technology,
Vol.3 No.3C,
October
22,
2015
ABSTRACT: Wound-field Doubly Salient Generator (WFDSG)
has the outstanding advantages of simple structure, high reliability and
controllable excitation. However, there exists obvious torque ripple in
generator’s input torque, which has restricted its applications. Based on the
concept of electromagnetic torque of WFDSG, the nonlinear formula under no load
condition has been derived. Furthermore, it is proved to be reasonable
theoretically in comparison with linear and approximate nonlinear formulas.
Based on the 12/8 salient prototype, the correctness of nonlinear formula has
been verified by comparing the results of virtual displacement method with the
results of finite element analysis. At last, the simulation results have been
validated by experiments.