Patent · US Expired

Method and apparatus for reducing voltage stresses in electric machine

US5949170A · kind A · utility

5Cited by
16References
10Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJun 7, 1995
Grant dateSep 7, 1999
Priority date
Expiry dateJun 7, 2015

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T29/49071
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

A method and apparatus for reducing winding failures in reluctance machines wherein winding coils for the switched reluctance motor are formed and positioned such that the turn-to-ground capacitance of the portion of the winding coil coupled to an electronic motor controller is reduced. Alternate embodiments are disclosed wherein additional insulation, and capacitive voltage distributors are provided to enable a switched reluctance motor to better handle the voltage stresses produced when high frequency or high dV/dt voltage pulses are provided to the motor.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.