TRANSFORMERLESS DC/AC CONVERTER
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United States of America Patent
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Issued Date -
Oct 23, 2014
app pub date -
Apr 17, 2013
filing date -
Apr 17, 2013
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A method for generating an AC power signal using a transformerless DC/AC converter includes energizing a first inductor circuitry from a DC input source by controlling first, second and third switches to couple the first inductor circuitry to the DC input source; de-energizing the first inductor circuitry by controlling the first, second and third switches to decouple the first inductor circuitry from the DC input source and couple the first inductor circuitry to an output node to generate, at least in part, a first half cycle of an AC power signal at the output node; energizing a second inductor circuitry from a DC input source by controlling fourth, fifth and sixth switches to couple the second inductor circuitry to the DC input source; and de-energizing the second inductor circuitry by controlling the fourth, fifth and sixth switches to decouple the second inductor circuitry from the DC input source and couple the second inductor circuitry to the output node to generate, at least in part, a second half cycle of the AC power signal at the output node.
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