公开(公告)号：US3555396A

公开(公告)日：1971-01-12

申请号：US3555396D

申请日：1969-05-02

Applicant: GARRETT CORP

Inventor： KALMAN GABOR P

IPC: G05F1/70 ,  H01L23/427 ,  H01L23/473 ,  H02M5/44 ,  H02M5/45 ,  H02M7/505 ,  H02M7/517 ,  H02P1/26 ,  H02P1/30 ,  H02P27/06 ,  H02M5/40

CPC classification number: H02P27/06 ,  H01L2924/0002 ,  H02M7/517 ,  H02P1/26 ,  H02P2201/03 ,  H01L2924/00

Abstract: A STARTING SYSTEM FOR A SYNCHRONOUSLY COMMUTATED POWER CONVERSION UNIT. DURING START-UP A BRIDGE RECTIFIER IS CONNECTED AND OPERATED AS AN AC REGULATOR TO PROVIDE A VARIABLE REDUCED VOLTAGE TO THE SYNCHRONOUS CONDENSER. AFTER START-UP THE BRIDGE RECRIFIER IS RECONNECTED AS A PHASE DELAY RECTIFIER.