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1. (WO2018140757) METHOD OF CONTROLLING PARALLELED PASSIVE FRONT-END RECTIFIERS WITH AND WITHOUT INTERLEAVING

Pub. No.:    WO/2018/140757    International Application No.:    PCT/US2018/015492
Publication Date: Fri Aug 03 01:59:59 CEST 2018 International Filing Date: Sat Jan 27 00:59:59 CET 2018
IPC: H02P 27/08
H02M 7/493
Applicants: CARRIER CORPORATION
Inventors: AGIRMAN, Ismail
Title: METHOD OF CONTROLLING PARALLELED PASSIVE FRONT-END RECTIFIERS WITH AND WITHOUT INTERLEAVING
Abstract:
Embodiments herein relate to a method of controlling a three-phase paralleled passive front-end drive connectable to a three phase alternating current power source. The method includes connecting a coupling reactance to the rectifier bridge, the coupling reactance configured to transfer power from the rectifier to a first direct current (DC) bus, coupling the first DC bus to a second DC bus, and connecting a first inverter to the first DC bus and connecting a second inverter to the second DC bus. The method also includes connecting a first controller to the first inverter and the second inverter, the first controller configured to generate control signals to cause the first inverter and the second inverter to generate a plurality of motor excitation signals respectively, and combining the plurality of motor excitation signals from the first inverter with the plurality of motor excitation signals from the second inverter.