Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Sequence filters for determining the symmetrical components of multiphase AC power systems

Sequence filters for determining the symmetrical components of multiphase AC power systems

US Patent 4366521 · Granted Dec 28, 1982

Estimated economic value: $3,232,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Apparatus and method for A/C voltage sensing1995
Voltage and harmonic control of a multi-pole inverter1993
Harmonically modified twelve-pole inverter1992
Timing correction for square wave inverter power poles1990
Circuit and method for discharging DC filter capacitors1990
Power transistor drive circuit1988
Inverter firing control with error compensation1985
Inverter firing control with pulse averaging error compensation1985
Inverter firing control with compensation for variable switching delay1984
Method and apparatus for stabilized integral control of static power frequency c1981
Controlling the circulating current in naturally commutated static power convert1981