POWER CONVERSION SYSTEM AND ASSOCIATED METHOD
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United States of America Patent
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Issued Date -
Aug 29, 2013
app pub date -
Sep 6, 2010
filing date -
Sep 6, 2010
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Abandoned
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Abstract
It allows connecting or disconnecting polyphase conversion stages (2a, 2b), comprising at least two polyphase back-to-back conversion stages (2a, 2b) connected between a rotary electric machine (3) and the power grid (4), each of these stages having two converters and one DC bus (6a, 6b); at least as many switching cells in each phase as there are conversion stages (2a, 2b), wherein at least one of the cells is associated to each of the conversion stages (2a, 2b); cut-off means (7) between the DC buses (6a, 6b) of the at least two polyphase conversion stages (2a, 2b); cut-off means (8a, 8b) between the at least two conversion stages (2a, 2b) and the rotary electric machine; and cut-off means (9a, 9b) between the at least two polyphase conversion stages (2a, 2b) and the power grid (4).
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