Power Transfer Devices, Methods, and Systems with Crowbar Switch Shunting Energy-Transfer Reactance
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United States of America Patent
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app pub date -
Mar 20, 2013
filing date -
Jun 29, 2009
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Abstract
The present application discloses methods, circuits and systems for power conversion, using a universal multiport architecture. When a transient appears on the power input (which can be, for example, polyphase AC), the input and output switches are opened, and a crowbar switch shunts the inductance which is used for energy transfer. This prevents this inductance from creating an overvoltage when it is disconnected from outside lines.
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