188751 ⎘
Automatic systems in which deviations of an electric quantity from one or more predetermined values are detected at the output of the system and fed back to a device within the system to restore the detected quantity to its predetermined value or values, i.e. retroactive systems Regulating power factor; Regulating reactive current or power
Bidirectional power conversion with multiple control loops
#302Power factor correction circuit
#303Power supply circuit and electronic apparatus
#304Step-up converter having power factor correction
#305Power flow controller responsive to power circulation demand for optimizing power transfer
#306Non-contact power supply system
#307Circuit arrangement for supplying voltage to a load
#308Solar panel having visual indicator
#309Series interleaved boost converter power factor correcting power supply
#310Frequency measurement for load shedding and accurate magnitude calculation
#311Correction control module for power factor correction circuit
#312Power converters and methods of controlling same
#313Voltage stabilizing method and apparatus for power supply driving
#314Power factor correction circuit
#315Providing phase synchronization and harmonic harvesting
#316PFC controller add-on circuit to stabilize THDi performance
#317Input voltage sense circuit for boost power factor correction in isolated power supplies
#318Intermittent power line communication for inverters
#319Circuit and method for indirectly sensing current and voltage in a floating output power supply