Converter

Details Converter Converter

1979-03-05

1981-10-06

Shoop, William M.

Electric power conversion systems

Current conversion

Using semiconductor-type converter

H02M 7515

Patent

active

042939062

ABSTRACT:
A power converting apparatus and method comprising a transformer and converting circuit mounted with the transformer for converting direct current to a series of pulses in the primary winding which includes a pulse train forming an effective current with reciprocal positive and negative sine wave components for each half cycle of chosen frequency. A gating circuit is mounted with the transformer for sequentially passing the pulses in the positive sine wave components followed by the pulses in the negative sine wave component, the gating circuit passes the pulses received in the secondary winding synchronously with the pulses in each half cycle of the pulse train to form a chosen frequency alternating current component. A filter is mounted with the gating circuit for removing selected components of the received signal while providing an output of the chosen frequency alternating current.

REFERENCES:
patent: Re27193 (1971-10-01), Risberg
patent: 3089076 (1963-05-01), Lee
patent: 3246231 (1966-04-01), Clarke
patent: 3414797 (1968-12-01), Morgan
patent: 3434030 (1969-03-01), Bedford
patent: 3530357 (1970-09-01), Leowald
patent: 3621362 (1971-11-01), Schwarz
patent: 3794906 (1974-02-01), Hoffman, Jr. et al.
patent: 4027169 (1977-05-01), Lowther
patent: 4030019 (1977-06-01), Bailey
patent: 4060757 (1977-11-01), McMurray

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