Mesh connected electrical rotating machine with span changing
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United States of America Patent
Stats
-
Jan 4, 2005
Grant Date -
Apr 24, 2003
app pub date -
Apr 26, 2002
filing date -
Nov 15, 2000
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An electrical rotating apparatus is provided that has variable impedance. This is achieved by connecting one of the polyphase components of the apparatus in a mesh connection. The spanning value, L, of such a mesh connection may be varied by changing the harmonic content supplied by an inverter component. Also provided is a method for connecting an inverter to a motor, wherein a switching arrangement permits the simple alteration between various mesh connections of different span value, changing thereby the Volts/Hertz ratio of the motor.
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