公开(公告)号：WO2018187346A1

公开(公告)日：2018-10-11

申请号：PCT/US2018/025916

申请日：2018-04-03

Applicant: REGAL BELOIT AMERICA, INC.

Inventor： CHRETIEN, Ludovic Andre ,  RICHARDSON, Howard R. ,  GROSS, Gregory Lewis ,  REYNOLDS, Jevon D. ,  CARNES, Joseph Stephen ,  STAUFFER, Zachary Joseph ,  MAGYAR, Justin Michael ,  THOMPSON, Gregory Alan ,  OSBORN, Kenneth L. ,  SNELL, Nathan E.

IPC: H02P27/04 ,  F04D13/06 ,  H02P1/44 ,  H02P25/16 ,  H02P27/05 ,  H02P27/06

Abstract: A drive circuit for an electric pump motor is provided. The drive circuit includes an inverter and a contactor. The inverter is configured to supply variable frequency current to the electric motor. The contactor is configured to supply the line frequency current to the electric motor.