New modular motor - modular inverter (MM-MI) concept for medium voltage adjustable speed drive systems Conference Paper uri icon

abstract

  • In this paper a new modular motor - modular inverter (MM-MI) concept for medium voltage adjustable speed drive (MV-ASD) systems is introduced. It is shown that a standard medium voltage motor winding connections can be reconnected into several three-phase groups, each powered by a separate three-phase PWM inverter, resulting in a high performance MV-ASD system. The proposed approach is fault tolerant and can continue to operate at reduced power levels, under inverter and/or motor faults. An example 250Hp, 4 pole, 60Hz, 2300V/4160V motor winding connection diagram along with the associated inverter configuration is analyzed. Results from analysis are presented on the aspects of faults and motor operation under partial winding excitation. Experimental results on a low voltage (460V), 10hp ASD are demonstrated.

name of conference

  • Conference Record of the 1999 IEEE Industry Applications Conference. Thirty-Forth IAS Annual Meeting (Cat. No.99CH36370)

published proceedings

  • Conference Record - IAS Annual Meeting (IEEE Industry Applications Society)

author list (cited authors)

  • Cengelci, E., Enjeti, P., & Gray, W.

complete list of authors

  • Cengelci, E||Enjeti, P||Gray, W

publication date

  • December 1999