217909 ⎘
Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into dc by static converters using discharge tubes or semiconductor devices to convert the intermediate dc into ac using devices of a thyratron or thyristor type requiring extinguishing means using semiconductor devices only with automatic control of output waveform
Power converter apparatus provided with low-pass filter circuit for reducing switching frequency components
#2Operating circuit for coupling a synchronous machine with a voltage network and method for operating it
#3VOLTAGE CONVERTER WITHOUT ELECTROLYTIC CAPACITOR
#4Voltage converter without electrolytic capacitor
#5Wind power converter device and converter device
#6Wind power converter device and converter device
#7Thyristor starting device and control method therefor
#8Switching power supply including a rectifier circuit having switching elements, and electric power converter
#9Method and apparatus for detecting AFE filter capacitor degradation
#10High yield AC-AC power converter and method therefor
#11State quantity detection method in power converting apparatus and power converting apparatus
#12Phase balancer including power conversion circuits