VSCF power conversion system using an output autotransformer

Details VSCF power conversion system using an output autotransformer VSCF power conversion system using an output autotransformer

1989-12-11

1991-04-16

Stephan, Steven L.

Electric power conversion systems

Current conversion

Using semiconductor-type converter

363 98, 323361, 336 5, 336148, H02M 7521

Patent

active

050088017

ABSTRACT:
Prior VSCF inverters have utilized relatively expensive bipolar transistors and associated base drive circuits together with an input autotransformer which unduly add to the cost and weight of the system. In order ot overcome these problems, a VSCF power converter includes an inverter which utilizes less expensive power switches such as insulated gate bipolar transistors, MOS controlled thyristors or power FET's, together with an output autotransformer coupled between the inverter output and a filter input which eliminates the need for the input autotransformer. The present system is less expensive and lighter than prior VSCF power converters.

REFERENCES:
patent: 3657633 (1972-04-01), Urish
patent: 3838331 (1974-09-01), Jensen
patent: 3943429 (1976-03-01), Heintze
patent: 4334265 (1982-06-01), Thorborg
patent: 4841216 (1989-06-01), Okada et al.
patent: 4862341 (1989-08-01), Cook

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