Electrical power generating system producing alternating and dir

Details Electrical power generating system producing alternating and dir Electrical power generating system producing alternating and dir

1996-08-12

1998-04-07

Nguyen, Matthew V.

Electric power conversion systems

Cascaded or combined, diverse conversions in which the...

Current and frequency

363 37, H02M 545

Patent

active

057371962

ABSTRACT:
The present invention is an electrical power generating system and method of operation. An inverter (18) is responsive to a DC potential for producing a fundamental frequency alternating current output such as 400 Hz. three-phase AC including harmonics. A first harmonic suppression filter (22), coupled to the alternating current output, produces an output having reduced harmonics compared to the harmonics in the input of the inverter. An isolation transformer (61) has a primary coupled to an output (24) of the first harmonic filter, a first secondary for outputting the alternating current at the fundamental frequency, and a second secondary for also outputting the alternating current at the fundamental frequency. A first rectifier (65) is coupled to the output (63) of the first secondary and produces direct current including harmonics produced by the rectification. A second harmonic suppression filter (69), coupled to the output (67) of the rectifier, outputs direct current having reduced harmonics compared to the harmonics in the output of the fullwave rectifier.

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patent: 5418708 (1995-05-01), Nairus

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