Alternating current power dividing or combining system

Details Alternating current power dividing or combining system Alternating current power dividing or combining system

1976-09-10

1978-08-08

Shoop, William M.

Electric power conversion systems

Phase conversion without intermediate conversion to d.c.

By induction-type converter

336 12, H02M 514

Patent

active

041060890

ABSTRACT:
Current transformers are utilized to combine the outputs of two 30.degree. phase shifted inverters to produce a three phase output which is low in fifth and seventh harmonics. The arrangement utilizes transformers having volt-ampere ratings which are very low compared to the power output of the inverters. The circuit may also be used to convert a three phase input to a multi-phase full wave rectified output without reflecting high fifth and seventh harmonics back into the line.

REFERENCES:
patent: 3657633 (1972-04-01), Urish
patent: 3671901 (1972-06-01), Lys
patent: 3792286 (1974-02-01), Meier
patent: 3838331 (1974-09-01), Jensen
patent: 3876923 (1975-04-01), Humphrey et al.

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