Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Method and apparatus for control of inverter synchronous machine drive system

Method and apparatus for control of inverter synchronous machine drive system

US Patent 4255695 · Granted Mar 10, 1981

Estimated economic value: $3,458,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Downhole pumping system with variable speed pulse-width modulated inverter coupl1999
Downhole pumping system with variable speed pulse width modulated inverter coupl1998
Current control for superconducting magnetic energy storage system1997
Current chopping strategy for switched reluctance machines1990
Back EMF sampling circuit for phase locked loop motor control1990
Field orientation control of a permanent magnet motor1989
Overload relay having adjustably gapped current transformers1988
Regenerative unipolar converter for switched reluctance motors using one main sw1987
Synchronous disk motor with amorphous metal stator and permanent magnet rotor an1986
Control circuit for suppression of line resonances in current feedback pulse wid1984
Single phase regeneration with a polyphase rectification power circuit1984
Regenerative rectifier circuit1984