Transformer-coupled and phase-shifted inverter

Details Transformer-coupled and phase-shifted inverter Transformer-coupled and phase-shifted inverter

1990-07-24

1991-11-12

Wong, Peter S.

Electric power conversion systems

Current conversion

With means to introduce or eliminate frequency components

363 71, H02M 748

Patent

active

050653032

ABSTRACT:
A power system in accordance with the present invention includes a first inverter and a second inverter, a first transformer having a primary coupled to an output of the first inverter and a secondary coupled only magnetically to the primary of the first transformer; a second transformer having a primary coupled to the output of the second inverter and a secondary coupled only magnetically to the primary of the second transformer; a controller and a number of series circuits equal to the number of phases, each series circuit comprising the secondary windings of a corresponding phase of each transformer with a first terminal of each series circuit being coupled to a reference potential and a second terminal being a phase output for the power system.

REFERENCES:
patent: 3876923 (1975-04-01), Humphrey et l.
patent: 3979662 (1976-09-01), Klein
patent: 4204264 (1980-05-01), Lipman
patent: 4225914 (1980-09-01), Hirata et al.
patent: 4268900 (1981-05-01), Hirata
patent: 4366532 (1982-12-01), Rosa et al.
patent: 4698739 (1987-10-01), Paice

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