CONSTITUTION:In a power conversion system where a primary winding of a transformer is connected to an AC power source and thee are at lest two sets of secondary windings which are respectively connected to voltage-type PWM converters and these two PWM power converters are simultaneously operated, ...
CONSTITUTION:In a power conversion system where a primary winding of a transformer is connected to an AC power source and thee are at lest two sets of secondary windings which are respectively connected to voltage-type PWM converters and these two PWM power converters are simultaneously operated, ...
CONSTITUTION:In a power conversion system where a primary winding of a transformer is connected to an AC power source and thee are at lest two sets of secondary windings which are respectively connected to voltage-type PWM converters and these two PWM power converters are simultaneously operated, ...
PURPOSE: To miniaturize a power converter by approximating the current waveform of a three-phase AC power supply line to a sine wave on the basis of a value arithmetically operated by specified formula and preparing PWM pulses turning on/off the switching element of a bridge circuit so that ...