Control system for high-efficiency operation in parallel inverter installations
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United States of America Patent
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Apr 16, 2013
Grant Date -
Feb 2, 2012
app pub date -
Jul 30, 2010
filing date -
Jul 30, 2010
priority date (Note) -
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status (Latency Note)
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Abstract
A control system for parallel connected inverter legs energized by a power source and configured for servicing a load is disclosed. The invention facilitates the number of running inverter legs to adaptively react to changes in the load by dynamically switching various inverter legs “on†or “off†in response to variations in load demand, while continuing magnetization of an output transformer connected with an “off†inverter leg via a back-feed from another output transformer of an “on†inverter leg, greatly improving the dynamic response to load changes. This design enables a fast reaction to load changes with “off†inverter legs transitioning to on-line operation instantaneously.
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