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Class Information
Number: 323/207
Name: Electricity: power supply or regulation systems > For reactive power control > Using converter
Description: Subject matter including an A.C. to D.C. to A.C. converter.










Patents under this class:
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Patent Number Title Of Patent Date Issued
8704498 Converter Apr. 22, 2014
8705254 Single-phase and three-phase dual buck-boost/buck power factor correction circuits and controlling method thereof Apr. 22, 2014
8693228 Power transfer management for local power sources of a grid-tied load Apr. 8, 2014
8680820 PFC booster circuit Mar. 25, 2014
RE44806 Electrical adapter for medical diagnostic instruments using LEDs as illumination sources Mar. 18, 2014
8674666 Device for balancing a transmission network Mar. 18, 2014
8659924 Power conversion apparatus Feb. 25, 2014
8659271 Fixed-on-time controller utilizing an adaptive saw signal for discontinuous mode PFC power conversion Feb. 25, 2014
8653685 Method and control arrangement for controlling central capacitors in wind power plants Feb. 18, 2014
8653799 Multilevel converter as reactive power compensator having active Feb. 18, 2014
8654553 Adaptive digital control of power factor correction front end Feb. 18, 2014
8644962 Adaptive control system Feb. 4, 2014
8643345 Combined semiconductor rectifying device and the electric power converter using the same Feb. 4, 2014
8638074 Controllable universal supply with reactive power management Jan. 28, 2014
8638581 Inverter capable of providing reactive power Jan. 28, 2014
8618747 Power factor correction circuit and driving method thereof Dec. 31, 2013
8615331 Method and apparatus for controlling the feed of reactive power in a wind power generation system Dec. 24, 2013
8610409 Controller with punctuated switching control circuit Dec. 17, 2013
8599591 Converter Dec. 3, 2013
8593127 Method and apparatus to reduce line current harmonics from a power supply Nov. 26, 2013
8582319 Control arrangement for a resonant mode power converter Nov. 12, 2013
8582336 Power supply circuit capable of handling direct current and alternating current and power supply control method Nov. 12, 2013
8576589 Switch state controller with a sense current generated operating voltage Nov. 5, 2013
8569994 Charging device, system, and method of supplying power to at least one load Oct. 29, 2013
8564989 Cold swap load adaptive power supply Oct. 22, 2013
8564257 Power factor correction circuit with over-voltage detection and driving method thereof Oct. 22, 2013
8558405 Method and system for operating and controlling a wind turbine to prevent excitation of subsynchronous oscillations within the wind turbine Oct. 15, 2013
8559199 Power factor correction circuit for three-phase power supply Oct. 15, 2013
8552695 Dual mode flyback converter and method of operating it Oct. 8, 2013
8552696 Self-excited reactive power compensation apparatus Oct. 8, 2013
8541990 Power conversion controller having a novel power factor correction mechanism using line voltage normalization Sep. 24, 2013
8536499 Power supply for radio frequency heating apparatus Sep. 17, 2013
8536843 Power supply circuit Sep. 17, 2013
8531852 System and a method for controlling at least one voltage converter having a plurality of cells in series Sep. 10, 2013
8519664 Method for controlling a machine or an electrical load supplied with electric power over a long line Aug. 27, 2013
8513926 Power factor correction circuit and driving method thereof Aug. 20, 2013
8513911 Power converters Aug. 20, 2013
8488352 Method for varying power factor Jul. 16, 2013
8476873 System and method for current balancing Jul. 2, 2013
8476879 Saving energy mode (SEM) for an interleaved power factor correction (PFC) converter Jul. 2, 2013
8471511 Brushless motor control device and brushless motor Jun. 25, 2013
8466662 Power transfer between independent power ports utilizing a single transformer Jun. 18, 2013
8467208 Input voltage-independent active power control of DC to AC power converters Jun. 18, 2013
8461809 Power conditioning unit Jun. 11, 2013
8441822 Method of controlling a multiphase power factor correction stage, a power factor correction stage and a controller therefor May. 14, 2013
8432138 Power factor correction converter and control method thereof Apr. 30, 2013
8427848 Variable time clamp for a power supply controller Apr. 23, 2013
8427118 Systems and methods for regulating power in renewable energy sources Apr. 23, 2013
8421424 Current driver circuit Apr. 16, 2013
8406021 System and method for reducing line current distortion Mar. 26, 2013

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