Electricity: motive power systems – Induction motor systems – Primary circuit control
Reexamination Certificate
2007-12-11
2007-12-11
Ip, Paul (Department: 2837)
Electricity: motive power systems
Induction motor systems
Primary circuit control
C318S807000, C363S043000
Reexamination Certificate
active
11420578
ABSTRACT:
A variable frequency drive including a plurality of power cells that are configured as three phases of series-connected cells to deliver power to a load. The drive is operated to increase the output voltage of each power cell using overmodulation.
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Aiello Marc F.
Osman Richard H.
Rastogi Mukul
Ip Paul
Siemens Energy & Automation Inc.
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