Power source apparatus
Power source device
Power source device
Power source device
Power supply apparatus and methods with power-factor...
Power supply apparatus having high power-factor and low distorti
Power supply circuit with power factor correction
Power supply controlled to supply load current formed as sine wa
Power supply for an electrostatic filter
Power supply for an electrostatic precipitator
Power supply system
Power supply system for a group of lamps
Power supply with multiple AC input voltages
Power supply with uninterruptible function
Power unit
Power unit having overcurrent/undervoltage-responsive protective
Power-line-operated high frequency power supply
Power-supply controller of computer
Procedure and device to operate an HVDC transmission short coupl
Process and device for eliminating or reducing harmonics and/or