217871 ⎘
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 without intermediate conversion into dc by static converters using impedances
Sub-classes:Arc furnace power supply with resonant circuit
#2Electronic system sharing power with doorbell and power-supply method thereof
#3Solid-state power-conversion system
#4Filter for a power network
#5Electrical insulation device
#6DC current controller for continuously variable series reactor
#7Controlling a multi-channel power supply
#8Transformer
#9Transformer
#10Resistive voltage divider with high voltage ratio
#11Electric motor controller and methods of determining input power line energization
#12Power generating device, control device, controlling method and power generation system
#13Method and system for transmitting voltage and current between a source and a load
#14Circuit adapted to supply a voltage to an electronic device and uses thereof
#15Method of reducing common mode current
#16Electric power supply apparatus attached to overhead line to supply electric power to load
#17AC electrical power dividing circuit