LandOfFree - US Patents - Listing for Electric power conversion systems,Current conversion,Including an a.c.-d.c.-a.c. converter

Electric power conversion systems – Current conversion – Including an a.c.-d.c.-a.c. converter

Protection system for immunizing an inverter system against A-C

Electric power conversion systems – Current conversion – Including an a.c.-d.c.-a.c. converter

Pulse width modulated voltage regulator-converter/power converte

Electric power conversion systems – Current conversion – Including an a.c.-d.c.-a.c. converter

Pulse width modulation frequency converter

Electric power conversion systems – Current conversion – Including an a.c.-d.c.-a.c. converter

PWM cycloconverter

Electric power conversion systems – Current conversion – Including an a.c.-d.c.-a.c. converter

PWM inverter apparatus with digital control

Electric power conversion systems – Current conversion – Including an a.c.-d.c.-a.c. converter

PWM power supply eliminating modulation-frequency components fro

Electric power conversion systems – Current conversion – Including an a.c.-d.c.-a.c. converter

PWM-controlled power supply capable of eliminating modulation-fr

Electric power conversion systems – Current conversion – Including an a.c.-d.c.-a.c. converter

PWM-controlled power supply including choke coil with 3-windings

Electric power conversion systems – Current conversion – Including an a.c.-d.c.-a.c. converter

Quasi-resonant current mode static power conversion method and a

Electric power conversion systems – Current conversion – Including an a.c.-d.c.-a.c. converter

Reactive power controller

Electric power conversion systems – Current conversion – Including an a.c.-d.c.-a.c. converter

Recovery of transmitted power in an installation for transmissio

Electric power conversion systems – Current conversion – Including an a.c.-d.c.-a.c. converter

Rectifying circuit and control method therefor

Electric power conversion systems – Current conversion – Including an a.c.-d.c.-a.c. converter

Reduced capacitance AC/DC/AC power converter

Electric power conversion systems – Current conversion – Including an a.c.-d.c.-a.c. converter

Regenerative AC/DC/AC power converter for a plurality of motors

Electric power conversion systems – Current conversion – Including an a.c.-d.c.-a.c. converter

Regulated AC power system energized by variable speed prime move

Electric power conversion systems – Current conversion – Including an a.c.-d.c.-a.c. converter

Regulated chopper and inverter with shared switches

Electric power conversion systems – Current conversion – Including an a.c.-d.c.-a.c. converter

Regulated power supply apparatus and method using reverse phase

Electric power conversion systems – Current conversion – Including an a.c.-d.c.-a.c. converter

Regulated power supply unit with an electronic transformer

Electric power conversion systems – Current conversion – Including an a.c.-d.c.-a.c. converter

Regulator for stepped-waveform inverter