Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Variable phase-shifting transformer network

Variable phase-shifting transformer network

US Patent 4236108 · Granted Nov 25, 1980

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Method and apparatus for generating and injecting reactive power into an electri2000
Low-noise operation of a machine fed by a pulse inverter1997
Converter arrangement having a low-inductance commutation circuit1996
Process and device for eliminating or reducing harmonics and/or resonance oscill1993
Low inductance GTO switching circuit for an inverter1992
Method for controlling a three-phase inverter1990
Method for attenuating at least one electric harmonic of the system frequency in1987
Reactive-power compensator for compensating a reactive-current component in an a1987
Method and compensating device for compensating current oscillations1987
Converter with fast-acting overvoltage protection1985
Method and apparatus for amplifying an analog low-frequency signal by a switchin1984