Frequency converter, procedure for controlling it and motor cont
Frequency converting device and control method therefor
Gas tube sign power supply
Generator having automatic parallel operation function
Ground fault detector for an inverter and a method therefor
High frequency AC voltage control
High frequency AC/AC converter with PF correction
High frequency electronic ballast with reactive power...
High frequency power supply generator
High frequency quasi-resonant DC voltage notching scheme of a PW
High power factor electronic transformer system for gaseous disc
High power factor, voltage-doubler rectifier
High voltage D-C transmission power station with a generator tra
High voltage direct current transmission
High-frequency high-voltage power supply
High-voltage direct current transmission installation having a h
HVDC transmission
HVDC transmission system with bidirectionally controlled thyrist
HVDC transmission system with multiple converter stations
HVDC transmission with a converter connected between an AC volta