Hybrid inverter
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United States of America Patent
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-
Nov 13, 1984
Grant Date -
N/A
app pub date -
Sep 27, 1982
filing date -
Sep 27, 1982
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The hybrid inverter consists of thyristor switches with their related commutation circuit, paralleled by transistor switches. When the current magnitude is below a predetermined level, it is conducted by the transistor switches and when above the predetermined level, it is conducted by the thyristor switches. The commutation circuit includes a capacitor which need not be precharged to initiate commutation. Thus, the commutation circuit works only when a thyristor is conducting current thereby substantially reducing the number of commutations in an output cycle.
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