Fault-tolerant three-level inverter
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United States of America Patent
Stats
-
Dec 5, 2006
Grant Date -
Jul 1, 2004
app pub date -
Dec 31, 2002
filing date -
Dec 31, 2002
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A method for driving a neutral point clamped three-level inverter is provided. In one exemplary embodiment, DC current is received at a neutral point-clamped three-level inverter. The inverter has a plurality of nodes including first, second and third output nodes. The inverter also has a plurality of switches. Faults are checked for in the inverter and predetermined switches are automatically activated responsive to a detected fault such that three-phase electrical power is provided at the output nodes.
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