ClassID:

188751

G05F1/70 - CPC Classification

Classification description:

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

Recent Application in this class:
#1
20260064148
2026-03-05

SYSTEM AND METHOD FOR A CHARGING STATION

#2
20250392238
2025-12-25

Method and Apparatus for Controlling Electric System

#3
20250264930
2025-08-21

SECURE CONTROLLERS FOR REPLACEABLE PRINT APPARATUS COMPONENTS

#4
20250199558
2025-06-19

SYSTEM AND METHOD FOR REGULATING POWER OUTPUT OF MULTIPLE SOLAR SUBSTRINGS

#5
20250199557
2025-06-19

METHODS AND SYSTEMS FOR SOLAR PHOTOVOLTAIC AUTOMATIC VOLTAGE REGULATION UNDER EXTREME WEATHER CONDITIONS

#6
20250015712
2025-01-09

Power factor correction circuit

#7
20240385638
2024-11-21

System and method for regulating power output of multiple solar substrings

#8
20240013734
2024-01-11

Power monitoring for correcting ambient temperature measurement by electronic devices

#9
20240004414
2024-01-04

Power factor adjustment method and apparatus in waveguide circuit or transmission line circuit, and power generating transmission line system using the same

#10
20230411963
2023-12-21

REACTIVE POWER COMPENSATION DEVICE

#11
20230350446
2023-11-02

System and method for regulating power output of multiple solar substrings

#12
20230344266
2023-10-26

Power converters and methods of controlling same

#13
20230336073
2023-10-19

Power factor correction circuit

#14
20230194627
2023-06-22

Electrical assembly

#15
20230163680
2023-05-25

Electronic apparatus and control method thereof

#16
20230129542
2023-04-27

Power supply apparatus

#17
20220320863
2022-10-06

Power conversion apparatus and power conversion system

#18
20220271651
2022-08-25

Totem-pole bridgeless power factor correction device and power supply

#19
20220181975
2022-06-09

Power converters and methods of controlling same

#20
20220163990
2022-05-26

SYSTEM AND METHOD FOR A CHARGING STATION

#21
20220113058
2022-04-14

Air conditioner

#22
20220069582
2022-03-03

Temporal balancing of electrical stress on FACTS devices in FACTS based distributed impedance injection units

#23
20220068227
2022-03-03

Power monitoring for correcting ambient temperature measurement by electronic devices

#24
20210391721
2021-12-16

Power conversion system and management apparatus for the same, and distributed power supply apparatus

#25
20210232194
2021-07-29

Utility power regulation system using local voltage estimation and method for the same

#26
20210218246
2021-07-15

Magnetically controllable throttle for reactive power compensation having capacitively connected auxiliary windings

#27
20210184566
2021-06-17

Power converter

#28
20210109558
2021-04-15

Bidirectional capacitor bank control

#29
20210064073
2021-03-04

Centralized voltage control apparatus and centralized voltage control system

#30
20210018948
2021-01-21

Power factor correction with active damping

#31
20200379496
2020-12-03

Power factor correction circuit, control method and controller

#32
20200379495
2020-12-03

Power factor correction circuit, control method and controller

#33
20200356128
2020-11-12

Load shedding system for both active and reactive power based on system perturbation

#34
20200313546
2020-10-01

Power factor correcting method

#35
20200274357
2020-08-27

Distributed power supply system

#36
20200227916
2020-07-16

Devices and methods for capacitor bank power switching circuits

#37
20200183437
2020-06-11

Dynamic Power Factor Correction On Cross-Referenced Network Identified Devices

#38
20200153330
2020-05-14

Power factor correction (PFC) device with switching analysis circuit

#39
20200142437
2020-05-07

Power-source power factor control system, phase modifying apparatus, and active filter apparatus

#40
20200076323
2020-03-05

Power conversion device and test method thereof

#41
20200044451
2020-02-06

Voltage reactive power control device and voltage reactive power control method

#42
20200036283
2020-01-30

Device for power factor correction

#43
20200029814
2020-01-30

Multi-sensor data collection and/or processing

#44
20200021104
2020-01-16

Adaptive protection method for impedance of parallel capacitors

#45
20200013546
2020-01-09

Hybrid transformer systems and methods

#46
20200012330
2020-01-09

MPS Generation System and Method

#47
20200007024
2020-01-02

Active power filter with adjustable neutral current limit

#48
20200003809
2020-01-02

NEUTRAL CONNECTION DETECTION METHOD FOR 3/4 -WIRE ACTIVE FILTERS

#49
20190379205
2019-12-12

SOGI-based PLL for grid connection and motor control

#50
20190348840
2019-11-14

CONTROL OF GRID CONNECTED CONVERTER

#51
20190317539
2019-10-17

System and method of power control for an energy storage charging station

#52
20190305771
2019-10-03

Switch assembly of reactive power compensation apparatus

#53
20190305557
2019-10-03

Reactive power compensator, discharging system, and operating method of the discharging system

#54
20190296551
2019-09-26

Reactive power control device and reactive power control method

#55
20190238046
2019-08-01

Active filter device, air conditioning device, and air conditioning system

#56
20190190428
2019-06-20

Power factor correction capacitor wear detection

#57
20190190370
2019-06-20

Interleaved boost converter with holdup time extension

#58
20190187736
2019-06-20

State change detection apparatus, method, and non-transitory medium

#59
20190129459
2019-05-02

Residential static VAR compensator apparatus and method

#60
20190103808
2019-04-04

AC-DC converter

#61
20190089242
2019-03-21

POWER SUPPLY DEVICE AND METHOD OF CONTROLLING POWER SUPPLY DEVICE

#62
20190081551
2019-03-14

Overload current limiting method for voltage source converter

#63
20190068212
2019-02-28

Method for improving feedback circuit performance

#64
20190064896
2019-02-28

Power analysis

#65
20190027934
2019-01-24

Apparatus and method for controlling circuit breaker for static synchronous compensator

#66
20190005810
2019-01-03

Information setting device and electronic appliance

#67
20180351492
2018-12-06

Control method for protecting generators

#68
20180316260
2018-11-01

Phase compensation method for power factor correction circuit

#69
20180309359
2018-10-25

Method for measuring power factor correcting (PFC) power supply input power using a single secondary side measurement with periodic usage metrics

#70
20180284829
2018-10-04

VOLTAGE REGULATORS WITH IMPROVED POWER SUPPLY REJECTION USING NEGATIVE IMPEDANCE

#71
20180278181
2018-09-27

Control architecture for ac-dc and dc-ac conversion capable of bidirectional active and reactive power processing

#72
20180248373
2018-08-30

Voltage-fluctuation suppression device and method

#73
20180241212
2018-08-23

Method for independent real and reactive power flow control using locally available parameters

#74
20180212492
2018-07-26

System and method for synchronous condensing

#75
20180181154
2018-06-28

FUEL CELL POWER PLANT WITH REAL AND REACTIVE POWER MODES

#76
20180176026
2018-06-21

Forced bulk capacitor discharge in powered device

#77
20180131308
2018-05-10

Synchronous motor control device, compressor drive system, and air conditioner

#78
20180131183
2018-05-10

System and method for controlling multi-frequencies of a microgrid

#79
20180102720
2018-04-12

Spillover of reactive current to line side converter

#80
20180097442
2018-04-05

Power supply device and control method thereof

#81
20180083447
2018-03-22

Power compensation apparatus and method of controlling the same

#82
20180074567
2018-03-15

MPS generation system and method

#83
20180062504
2018-03-01

Power factor correction device and controlling method thereof, and electronic device

#84
20180025444
2018-01-25

Correlating consumption and voltage data to identify line loss in an electric grid

#85
20180017602
2018-01-18

Sensors for power distribution network and electrical grid monitoring system associated therewith

#86
20180013385
2018-01-11

Microwave generator with power factor correction function and control method thereof

#87
20180011508
2018-01-11

Method and system of controlling power factor correction circuit

#88
20180006580
2018-01-04

Grid connection power conversion device and output current control method thereof

#89
20170344047
2017-11-30

Wireless communication systems and methods for intelligent electronic devices

#90
20170344046
2017-11-30

Reactive power compensation system and method thereof

#91
20170322580
2017-11-09

Power transfer management for local power sources of a grid-tied load

#92
20170273153
2017-09-21

System and method for active power factor correction and current regulation in LED circuit

#93
20170257928
2017-09-07

Solid-state lighting operable with ballasts and line voltages without ambiguity

#94
20170255217
2017-09-07

Fuel cell power plant with real and reactive power modes

#95
20170235323
2017-08-17

Methods and systems of network voltage regulating transformers

#96
20170212544
2017-07-27

POWER CONSUMPTION REDUCTION DEVICE

#97
20170155253
2017-06-01

System and method of power control for an energy storage charging station

#98
20170133849
2017-05-11

Hierarchical robust model predictive voltage and VAR control with coordination and optimization of autonomous DER voltage control

#99
20170126007
2017-05-04

Power control device

#100
20170110983
2017-04-20

Method for controlling output energy of a power system

#101
20170108888
2017-04-20

Converter for symmetrical reactive power compensation, and a method for controlling same

#102
20160299523
2016-10-13

POWER MODULE AND AIR CONDITIONER

#103
20160156226
2016-06-02

Voltage monitoring control device and voltage monitoring control method

#104
20160117326
2016-04-28

Correlating consumption and voltage data to identify line loss in an electric grid

#105
20160094033
2016-03-31

SVC COMPENSATION STRATEGY OPTIMIZATION METHOD

#106
20160065082
2016-03-03

DC power supply device and power conversion method for converting an AC power supply into a DC power supply

#107
20160036231
2016-02-04

Power line reactance module and applications

#108
20160028233
2016-01-28

Maintain power signature (MPS) powered device (PD)

#109
20150365014
2015-12-17

Photovoltaic power generation system

#110
20150357819
2015-12-10

Methods and arrangements for controlling power generators

#111
20150323949
2015-11-12

Method and apparatus to increase efficiency in a power factor correction circuit

#112
20150303791
2015-10-22

Control circuit, control method used in PFC circuit and power source system thereof

#113
20150303694
2015-10-22

Dynamic high energy switch

#114
20150214834
2015-07-30

Converter for HVDC transmission and reactive power compensation

#115
20150168981
2015-06-18

HYBRID HIGH-INERTIA SYNCHRONOUS CONDENSER FACILITY

#116
20150162749
2015-06-11

Method and apparatus for power plant dynamic var regulation and transient stability improvement

#117
20150081126
2015-03-19

Method and system for distributed generation trip protection using power line carrier signaling

#118
20150069978
2015-03-12

Voltage control apparatus, voltage control method, and power adjustment apparatus

#119
20150054473
2015-02-26

Reactive power compensation device having function of detecting system impedance

#120
20150015216
2015-01-15

Three-phase power conversion with power factor correction operational day and night

#121
20140379152
2014-12-25

Coordinated control method of generator and SVC for improving power throughput and controller thereof

#122
20140362614
2014-12-11

Switching power supply device, switching power supply control method and electronic apparatus

#123
20140350742
2014-11-27

Power transfer management for local power sources of a grid-tied load

#124
20140350739
2014-11-27

Sensors for power distribution network and electrical grid monitoring system associated therewith

#125
20140337568
2014-11-13

Electronic device and method for operating the same

#126
20140327412
2014-11-06

Inductive load power switching circuits

#127
20140319910
2014-10-30

Dynamic power flow controllers

#128
20140292287
2014-10-02

Cascode semiconductor device for power factor correction

#129
20140277801
2014-09-18

Wireless communication systems and methods for intelligent electronic devices

#130
20140268957
2014-09-18

Single phase power system controller and method therefor

#131
20140266081
2014-09-18

ADAPTIVE ADJUSTMENT TO OUTPUT RIPPLE IN A DEAD ZONE

#132
20140257585
2014-09-11

ENERGY MANAGEMENT SYSTEM, ENERGY MANAGEMENT METHOD, AND MEDIUM

#133
20140257584
2014-09-11

ENERGY MANAGEMENT SYSTEM, ENERGY MANAGEMENT METHOD, MEDIUM, AND SERVER

#134
20140211529
2014-07-31

METHODS AND SYSTEMS FOR OPERATING A BI-DIRECTIONAL MICRO INVERTER

#135
20140211526
2014-07-31

Active power factor corrector circuit

#136
20140210428
2014-07-31

Controlled power factor correction circuit

#137
20140210427
2014-07-31

Dynamic high energy switch

#138
20140204640
2014-07-24

Method and apparatus for changing a frequency of a switch prior to a level of current received from an inductor decreasing to a predetermined level

#139
20140204633
2014-07-24

Distributed power generation interface

#140
20140176090
2014-06-26

Voltage regulation system and method

#141
20140176088
2014-06-26

DISTRIBUTION TRANSFORMER POWER FLOW CONTROLLER

#142
20140167872
2014-06-19

Modulation method and control device having the same

#143
20140160817
2014-06-12

Power factor correction circuit with active snubber and power supply including the same

#144
20140160816
2014-06-12

Power factor correction circuit with active snubber and power supply including the same

#145
20140160815
2014-06-12

Power factor correction circuit

#146
20140153306
2014-06-05

AC/DC converter and method of correcting power factor

#147
20140119079
2014-05-01

POWER FACTOR CORRECTION CIRCUIT AND POWER SUPPLY DEVICE INCLUDING THE SAME

#148
20140116133
2014-05-01

Multi-sensor data collection and/or processing

#149
20140103888
2014-04-17

Methods and systems of network voltage regulating transformers

#150
20140097809
2014-04-10

Reactive power compensator

#151
20140097808
2014-04-10

Digital controller based detection methods for adaptive mixed conduction mode power factor correction circuit

#152
20140097807
2014-04-10

Methods and systems for mitigation of intermittent generation impact on electrical power systems

#153
20140063860
2014-03-06

DC power source device and power conversion method using a single drive power supply

#154
20140055104
2014-02-27

Adaptive DC-link voltage controlled LC coupling hybrid active power filters for reactive power compensation

#155
20140035541
2014-02-06

Control circuit, control method used in PFC circuit and power source system thereof

#156
20140021804
2014-01-23

Method and device for feeding electrical power into an electrical power supply network

#157
20140009127
2014-01-09

Static var compensator including series circuits of three phases that are delta-connected to three-phase AC buses

#158
20140002035
2014-01-02

Common-core power factor correction resonant converter

#159
20140002034
2014-01-02

Power quality device and its control apparatus

#160
20130328569
2013-12-12

Method and arrangement for an internal failure detection in a Y-Y connected capacitor bank

#161
20130320939
2013-12-05

Inductive load power switching circuits

#162
20130320901
2013-12-05

Circuit arrangement for operating a load having a reactive characteristic

#163
20130320770
2013-12-05

System and method for reactive power compensation

#164
20130320762
2013-12-05

POWER CONTROL DEVICE

#165
20130314056
2013-11-28

Power factor correction apparatus

#166
20130307495
2013-11-21

Method and apparatus to increase efficiency in a power factor correction circuit

#167
20130307494
2013-11-21

On-load tap-changer control method, excitation control system carrying out said control method and power excitation chain

#168
20130300381
2013-11-14

Power converter apparatus

#169
20130297841
2013-11-07

Protocols for reporting power status over multiple buses

#170
20130265810
2013-10-10

High-frequency power supply apparatus for supplying high-frequency power

#171
20130265014
2013-10-10

Reactive power compensator having a booster transformer

#172
20130229126
2013-09-05

Electronic ballast with power factor correction

#173
20130214746
2013-08-22

Power module and air conditioner

#174
20130208514
2013-08-15

Converter for HVDC transmission and reactive power compensation

#175
20130207623
2013-08-15

Power supply device for a nonlinear, time-varying load

#176
20130207622
2013-08-15

System and method for reactive power regulation

#177
20130207621
2013-08-15

Power factor correction circuit

#178
20130163297
2013-06-27

Single phase redundant power supply systems for reducing phase current imbalances

#179
20130162042
2013-06-27

Single phase redundant power supplies for reducing phase current imbalances

#180
20130147443
2013-06-13

Power distribution system control and monitoring

#181
20130134779
2013-05-30

Voltage control apparatus, voltage control method, and power regulating apparatus

#182
20130119949
2013-05-16

Power conditioning and saving device

#183
20130009692
2013-01-10

Inductive load power switching circuits

#184
20130009615
2013-01-10

Arrangement and method for reactive power compensation

#185
20130009613
2013-01-10

Inductive load power switching circuits

#186
20130002211
2013-01-03

Controller, wind park and control method

#187
20120262132
2012-10-18

Overvoltage repetition prevention circuit, method thereof, and power factor compensation circuit using the same

#188
20120246493
2012-09-27

Protocols for reporting power status over multiple buses

#189
20120236442
2012-09-20

INTELLIGENT CONTROLLER

#190
20120175970
2012-07-12

Power distribution system control and monitoring

#191
20120134187
2012-05-31

Power factor control systems and methods

#192
20120044725
2012-02-23

Boost-buck power factor correction

#193
20120044079
2012-02-23

MEASURMENT BASED VOLTAGE STABILITY MONITORING AND CONTROL

#194
20120041611
2012-02-16

MEASURMENT BASED VOLTAGE STABILITY MONITORING AND CONTROL

#195
20120008355
2012-01-12

Passive three phase input current harmonic reduction and power factor correction circuit for power supplies

#196
20110316491
2011-12-29

Method and apparatus to increase efficiency in a power factor correction circuit

#197
20110279097
2011-11-17

SYSTEM AND METHOD FOR USING CONDITION SENSORS/SWITCHES TO CHANGE CAPACITANCE VALUE

#198
20110254517
2011-10-20

Self-excited reactive power compensation apparatus

#199
20110241695
2011-10-06

Methods and systems for monitoring capacitor banks

#200
20110221402
2011-09-15

Power factor correction circuit and driving method thereof

#201
20110215776
2011-09-08

Power supply transient response improving

#202
20110215774
2011-09-08

AC POWER CONTROL WITH INTEGRAL POWER FACTOR CORRECTION

#203
20110170324
2011-07-14

Power factor correction device simultaneously applying two trigger schemes

#204
20110169461
2011-07-14

System, device and method for regulating volt-ampere reactance in a power distribution system

#205
20110148202
2011-06-23

Methods and apparatus for power factor correction and reduction of distortion in and noise in a power supply delivery network

#206
20110130889
2011-06-02

Distributed power generation interface

#207
20110110127
2011-05-12

Power factor correction circuit for reducing distortion of input current

#208
20110109281
2011-05-12

Power factor correction type switching power supply unit

#209
20110109280
2011-05-12

Automatic self-adjusting voltage controller

#210
20110096242
2011-04-28

Display apparatus and power supplying method thereof

#211
20110095732
2011-04-28

Power factor correction circuit and driving method thereof

#212
20110026284
2011-02-03

Power factor control systems and methods

#213
20100283435
2010-11-11

Distributed capacitor bank controllers and methods thereof

#214
20100259230
2010-10-14

POWER FACTOR CORRECTION DEVICE WITH ADJUSTABLE CAPACITANCE

#215
20100237835
2010-09-23

Reactive power compensator

#216
20100237834
2010-09-23

Power generation plant voltage control

#217
20100208501
2010-08-19

Power transfer management for local power sources of a grid-tied load

#218
20100191487
2010-07-29

Energy usage monitoring with remote display and automatic detection of appliance including graphical user interface

#219
20100187914
2010-07-29

Methods and apparatus for power factor correction and reduction of distortion in and noise in a power supply delivery network

#220
20100171480
2010-07-08

METHOD AND APPARATUS OF A UNIFIED CONTROL SOLUTION FOR BRIDGELESS POWER FACTOR CONTROLLERS AND GRID CONNECTED INVERTERS

#221
20100148508
2010-06-17

Method and apparatus for controlling the feed of reactive power in a wind power generation system

#222
20100134076
2010-06-03

Reactive power regulation and voltage support for renewable energy plants

#223
20100123448
2010-05-20

Controlled on-time buck PFC

#224
20100118573
2010-05-13

Method and apparatus to increase efficiency in a power factor correction circuit

#225
20100109616
2010-05-06

System and method for reactive power compensation and flicker management

#226
20100109615
2010-05-06

Power factor correction circuit and method of driving the same

#227
20100079125
2010-04-01

Current sensing in a switching power converter

#228
20100073067
2010-03-25

Inductive load power switching circuits

#229
20100052601
2010-03-04

Voltage control and power factor correction in AC induction motors

#230
20100037189
2010-02-11

Power factor correction using hierarchical context of a power monitoring system

#231
20100013444
2010-01-21

Power converter

#232
20100010924
2010-01-14

ENERGY CREDIT HARVESTING

#233
20100007314
2010-01-14

REACTANCE COMPENSATION OF ELECTRICAL SYSTEM

#234
20090306914
2009-12-10

SYSTEM AND METHOD FOR MEASURING INPUT POWER OF POWER SUPPLIES

#235
20090299664
2009-12-03

Measurement based voltage stability monitoring and control

#236
20090284234
2009-11-19

Power distribution system control and monitoring

#237
20090284233
2009-11-19

Quantized voltage feed-forward a power factor correction controller

#238
20090273330
2009-11-05

Merged ramp/oscillator for precise ramp control in one cycle PFC converter

#239
20090230937
2009-09-17

Power factor correction circuit and power supply apparatus thereof

#240
20090230929
2009-09-17

Bridgeless PFC circuit for CRM and controlling method thereof

#241
20090146618
2009-06-11

Fixed-off-time power factor correction controller

#242
20090141524
2009-06-04

Control device for power factor correction device in forced switching power supplies

#243
20090128100
2009-05-21

Power system control apparatus and power system control method

#244
20090085407
2009-04-02

Method and device for assessing and monitoring voltage security in a power system

#245
20090015214
2009-01-15

Power factor correction method and device

#246
20090001942
2009-01-01

Reactive power compensator and control device therefor

#247
20080278982
2008-11-13

Power factor correction boost circuit

#248
20080253154
2008-10-16

Inrush current limiter device and power factor control (PFC) circuit having an improved inrush current limiter device

#249
20080252269
2008-10-16

Actuating circuit

#250
20080252268
2008-10-16

Method for actuation, and actuating circuit for a switch in a power factor correction circuit

#251
20080246751
2008-10-09

POWER FACTOR CORRECTOR

#252
20080246445
2008-10-09

Power factor correction by measurement and removal of overtones

#253
20080234935
2008-09-25

Multi-sensor data collection and/or processing

#254
20080211463
2008-09-04

Method and apparatus for active power factor correction without sensing the line voltage

#255
20080211462
2008-09-04

Method and apparatus for active power factor correction

#256
20080205103
2008-08-28

Power factor control systems and methods

#257
20080164853
2008-07-10

Bidirectional power conversion with multiple control loops

#258
20080157727
2008-07-03

Power factor correction apparatus

#259
20080150496
2008-06-26

Reactive power control apparatus for AC power system

#260
20080094040
2008-04-24

One cycle control PFC circuit with dynamic gain modulation

#261
20080001581
2008-01-03

Control system for static VAR compensator

#262
20070279016
2007-12-06

System stabilization control system

#263
20070279015
2007-12-06

Integrated power factor correction capacitance unit

#264
20070262752
2007-11-15

Power converters having balanced power rail currents

#265
20070247122
2007-10-25

Bridgeless power factor corrector circuit and control method thereof

#266
20070247121
2007-10-25

Power factor correction controller

#267
20070195560
2007-08-23

Switching power supply circuit

#268
20070159141
2007-07-12

Apparatus and method for a power converter with feed-forward voltage compensation to enable a PFC circuit

#269
20070133233
2007-06-14

Power factor correction using current sensing on an output

#270
20070103123
2007-05-10

Method for determining the source equivalent inductance of an energized AC circuit

#271
20070090811
2007-04-26

Apparatus and methods for providing a voltage adjustment for single-phase voltage regulator operation in a three-phase power system

#272
20070085517
2007-04-19

Power factor correction integrated circuit with critical conduction mode

#273
20070052401
2007-03-08

Switch for power factor correction circuits

#274
20070040533
2007-02-22

Methods and devices for input waveform control in switching power supplies

#275
20070024251
2007-02-01

Apparatus and method for continuous conduction mode boost voltage power factor correction with an average current control mode

#276
20060290326
2006-12-28

Protocols for reporting power status over multiple buses

#277
20060285373
2006-12-21

Power factor correction circuit

#278
20060267561
2006-11-30

Power factor correction circuit for DC-DC converters with low resonance current

#279
20060267560
2006-11-30

Device, system, and method for providing a low-voltage fault ride-through for a wind generator farm

#280
20060256588
2006-11-16

Current overloading proof switch power supply and its IC

#281
20060255772
2006-11-16

High-Q digital active power factor correction device and its IC

#282
20060250117
2006-11-09

Power Factor Correction Analysis System and Method

#283
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2006-11-02

Apparatus and method for discharging electrical energy storage cells

#284
20060192537
2006-08-31

Power line communication using power factor correction circuits

#285
20060170399
2006-08-03

Power factor controller utilizing duel-switch configuration

#286
20060139020
2006-06-29

Simple partial switching power factor correction circuit

#287
20060132104
2006-06-22

Digital control of bridgeless power factor correction circuit

#288
20060119337
2006-06-08

High frequency partial boost power factor correction control circuit and method

#289
20060087298
2006-04-27

Power factor correction circuit and method of varying switching frequency

#290
20060087261
2006-04-27

Method and cell for controlling the power factor of a power supply line

#291
20060076936
2006-04-13

Circuits and methods for flexible current partitioning in monolithic switching regulators

#292
20060062031
2006-03-23

Power factor correction circuit and output voltage control method thereof

#293
20060061337
2006-03-23

Power factor correction circuit

#294
20060055386
2006-03-16

Power factor improving circuit and control circuit for power factor improving circuit

#295
20060033479
2006-02-16

Three-phase three-wire active power filter

#296
20050248323
2005-11-10

Power factor controller that computes currents without measuring them

#297
20050237035
2005-10-27

Control system for a power supply

#298
20050212501
2005-09-29

Method and system for power factor correction using constant pulse proportional current

#299
20050207193
2005-09-22

Transition mode operating device for the correction of the power factor in switching power supply units

#300
20050207187
2005-09-22

Transition mode operating device for the correction of the power factor in switching power supply units