ClassID:

217760

H02M1/126 - CPC Classification

Classification description:

Details of apparatus for conversion; Arrangements for reducing harmonics from ac input or output using passive filters

Recent Application in this class:
#1
20260155761
2026-06-04

FOUR QUADRANT PARALLELING CONTROL FOR INVERTERS

#2
20260149392
2026-05-28

OPERATION OF SWITCHING ELEMENTS OF AN INVERTER

#3
20260149383
2026-05-28

Dual-Stage AC To AC Electric Power Converters

#4
20260149363
2026-05-28

IMPROVED SHORT-CIRCUIT-PROTECTED CONVERTER ASSEMBLY

#5
20260142554
2026-05-21

Operational Systems and Methods for Series Generative AC Devices

#6
20260112559
2026-04-23

SYSTEM AND METHOD FOR REGULATING A VOLTAGE SIGNAL

#7
20260100640
2026-04-09

INTERLEAVED VIENNA RECTIFYING DEVICE AND CONTROLLING METHOD THEREOF

#8
20260100638
2026-04-09

ACTIVE FILTER PRE-CHARGING FOR A CONVERTER WITH ACTIVE FILTER CELLS

#9
20260095106
2026-04-02

Dual Stage AC to AC Electrical Power Converters

#10
20260088706
2026-03-26

METHOD FOR OPERATING A POWER CONVERTER AND POWER CONVERTER

#11
20260074628
2026-03-12

MULTI-LEVEL SWITCHING POWER CONVERTER SYSTEMS

#12
20260074625
2026-03-12

SINGLE PHASE CONTROLLED 3-PHASE 4 WIRE POWER CONVERTER

#13
20260074624
2026-03-12

Synchronous quadrature current controlled resonant power converter

#14
20260051809
2026-02-19

VOLTAGE CONVERSION CIRCUIT AND VOLTAGE CONVERSION SYSTEM

#15
20260051807
2026-02-19

DIFFERENTIAL MODE FILTER WITH A VARIABLE IMPEDANCE

#16
20260051745
2026-02-19

ELECTRICAL FILTER CIRCUIT FOR AN ELECTRIC DRIVE

#17
20260025080
2026-01-22

POWER SUPPLY DEVICE

#18
20260012082
2026-01-08

POWER SUPPLY DEVICE AND ELECTRONIC DEVICE COMPRISING SAME

#19
20250364900
2025-11-27

RECTIFIER CIRCUIT

#20
20250344360
2025-11-06

POWER CONVERTER

#21
20250239940
2025-07-24

BUCK CONVERTER, METHOD OF OPERATING THE SAME AND ELECTRONIC DEVICE INCLUDING THE SAME

#22
20250233525
2025-07-17

HIGH-POWER-DENSITY MODULAR ENERGY STORAGE CONVERTER

#23
20250233412
2025-07-17

VOLTAGE SOURCE INVERTER CONTROL FOR UNBALANCED AND NONLINEAR LOADS

#24
20250226747
2025-07-10

BUCK CONVERTER AND ELECTRONIC DEVICE INCLUDING THE SAME

#25
20250226737
2025-07-10

Modular, Multicell, and Multilevel Inverter

#26
20250219441
2025-07-03

UNINTERRUPTIBLE POWER SUPPLY APPARATUS

#27
20250202377
2025-06-19

AC-TO-AC CONVERTER

#28
20250192696
2025-06-12

THREE-PHASE INVERTER

#29
20250192665
2025-06-12

POWER CONVERTER

#30
20250172147
2025-05-29

SUBMERSIBLE PUMP MOTOR DRIVE INCLUDING OUTPUT CLAMPING FILTER

#31
20250141346
2025-05-01

HOLD-UP TIME EXTENSION FOR TOTEM POLE BRIDGELESS POWER FACTOR CORRECTION

#32
20250141343
2025-05-01

RECTIFICATION CONTROL SYSTEM, CHARGER AND CONTROL METHOD FOR CHARGER

#33
20250132662
2025-04-24

VOLTAGE CONTROLLER USING VOLTAGE FEEDBACK AND POWER FEED-FORWARD

#34
20250125737
2025-04-17

SWITCHING POWER SUPPLY DEVICE

#35
20250119070
2025-04-10

ELECTRICAL CONVERTER SYSTEMS

#36
20250119066
2025-04-10

Multi-level Inverter

#37
20250119057
2025-04-10

ENERGY-SAVING AND PARALLEL SUPERPOSITION WIRING METHOD FOR THREE-PHASE CURRENT-SOURCE-RECTIFIER RECTIFICATION CIRCUIT

#38
20250119051
2025-04-10

SINGLE-PHASE VOLTAGE SOURCE INVERTER CIRCUIT WITH POWER FILTER REDUCTION

#39
20250079972
2025-03-06

Compact Multifunctional Filter

#40
20250052401
2025-02-13

HYBRID LED / PHOTOLUMINESCENT SIGNS

#41
20240421704
2024-12-19

INVERTER DESIGN WITH HIGH SHORT-CIRCUIT FAULT CURRENT CONTRIBUTION

#42
20240421695
2024-12-19

Single stage synchronous solid state transformer system

#43
20240413739
2024-12-12

ELECTROMAGNETIC RECTIFICATION APPARATUS AND METHOD FOR ATTENUATING HARMONICS FROM A NEUTRAL IN AN AC CIRCUIT

#44
20240396430
2024-11-28

COMMON-MODE VOLTAGE CANCELLER

#45
20240380304
2024-11-14

RECOVERY CIRCUIT

#46
20240356432
2024-10-24

POWER CONVERSION DEVICE AND REFRIGERATION APPARATUS

#47
20240356334
2024-10-24

SYSTEMS AND METHODS FOR CONTROL OF ZERO-SEQUENCE STABILIZED POWER CONVERTERS

#48
20240348172
2024-10-17

SYSTEMS AND METHODS FOR POWER CONVERSION WITH LC FILTER HAVING ADDITIONAL CAPACITOR

#49
20240348153
2024-10-17

STATE FEED-BACK CONTROLLER FOR CONTROLLING A POWER CONVERTER

#50
20240333135
2024-10-03

INVERTER APPARATUS AND CONTROL METHOD THEREOF

#51
20240333134
2024-10-03

POWER CONVERTER AND AIR CONDITIONER

#52
20240333109
2024-10-03

MOTOR-DRIVEN COMPRESSOR

#53
20240317085
2024-09-26

SYSTEM AND METHOD FOR CONTROLLING ELECTRIC POWER OF VEHICLE BATTERY

#54
20240313628
2024-09-19

SOFT SWITCHING SOLID STATE TRANSFORMERS IMPLEMENTING VOLTAGE STRESS MITIGATION TECHNIQUES

#55
20240313627
2024-09-19

Power Converter

#56
20240305218
2024-09-12

INVERTER AND INVERTER CONTROL METHOD

#57
20240283374
2024-08-22

LOAD DRIVER

#58
20240275306
2024-08-15

MICRO-INVERTER AND GRID-TIED OUTPUT CONTROL METHOD AND DEVICE THEREFOR

#59
20240266945
2024-08-08

APPARATUS FOR SUPPLYING POWER AND MEDICAL DEVICE

#60
20240235424
2024-07-11

POWER CONVERSION APPARATUS, AIR CONDITIONER AND REFRIGERATION APPARATUS

#61
20240235206
2024-07-11

SYSTEMS AND METHODS FOR CONTROL OF NONISOLATED BIDIRECTIONAL POWER CONVERTERS

#62
20240204692
2024-06-20

BI-DIRECTIONAL SPLIT-PHASE INVERTER CIRCUIT AND BI-DIRECTIONAL SPLIT-PHASE INVERTER

#63
20240204691
2024-06-20

BIDIRECTIONAL INVERTER CIRCUIT AND BIDIRECTIONAL INVERTER

#64
20240204651
2024-06-20

NOISE REDUCTION CIRCUITRY, LOAD SYSTEM AND POWER CONVERSION DEVICE

#65
20240195320
2024-06-13

Multi-level inverter

#66
20240195292
2024-06-13

APFC CONTROL CIRCUIT, METHOD, AND SYSTEM

#67
20240171109
2024-05-23

Power conversion apparatus

#68
20240171089
2024-05-23

ULTRA-DENSE MODULAR MULTILEVEL POWER CONVERTER

#69
20240171076
2024-05-23

ULTRACAPACITOR MODULE WITH ADAPTIVE BUS VOLTAGE CONTROL SYSTEM

#70
20240171065
2024-05-23

Devices, systems, and methods for reducing leakage current in power converters

#71
20240154539
2024-05-09

INVERTER WITH CAPACITOR DISCHARGE AND DC BUS FILTERING

#72
20240136949
2024-04-25

POWER CONVERSION APPARATUS, AIR CONDITIONER AND REFRIGERATION APPARATUS

#73
20240128863
2024-04-18

FILTER CAPACITANCE ESTIMATION BY RESONANCE FREQUENCY DETERMINATION

#74
20240128011
2024-04-18

INDUCTOR ASSEMBLY APPARATUS AND METHOD OF USE THEREOF

#75
20240106355
2024-03-28

METHOD FOR CONTROLLING CONVERTER AND CONVERTER SYSTEM

#76
20240079951
2024-03-07

SYSTEMS AND METHODS FOR IMPROVING RADIATED EMI IN SWITCHING POWER SUPPLIES

#77
20240069085
2024-02-29

DETERMINING PARAMETERS OF A FILTER CIRCUIT

#78
20240048059
2024-02-08

Resonant converter with synchronous average harmonic current control

#79
20240014749
2024-01-11

Soft-switching current source inverters

#80
20240007010
2024-01-04

Power conversion device

#81
20240007003
2024-01-04

POWER SUPPLY CIRCUITS AND ELECTRONIC DEVICES

#82
20230396152
2023-12-07

NOISE FILTER CIRCUIT WITH CONTROLLABLE TRANSISTOR OFF-RESISTANCE AND ASSOCIATED NOISE FILTERING METHOD

#83
20230369964
2023-11-16

ELECTRIC POWER CONVERTER

#84
20230361566
2023-11-09

Active harmonics cancellation

#85
20230353064
2023-11-02

Soft switched voltage source inverter

#86
20230344366
2023-10-26

Method and apparatus for auto-tuning a controller for a DC-AC converter

#87
20230344362
2023-10-26

THREE-PHASE INVERTER AND CONTROL METHOD FOR SAME

#88
20230335330
2023-10-19

Inductor winding shape controlled apparatus and method of use thereof

#89
20230327539
2023-10-12

SWITCHING POWER SUPPLY DEVICE

#90
20230326646
2023-10-12

COMMON MODE CHOKE FOR CONNECTING TO DC SIDE OF POWER CONVERTER, FILTER ARRANGEMENT, AND POWER CONVERTER

#91
20230318482
2023-10-05

Multi-level inverter

#92
20230317357
2023-10-05

AC DRIVE COUPLED TO ZIGZAG TRANSFORMER POWER PROCESSING APPARATUS AND METHOD OF USE THEREOF

#93
20230299734
2023-09-21

FILTER DEVICE AND POWER CONVERSION DEVICE

#94
20230299656
2023-09-21

Power conversion device

#95
20230291327
2023-09-14

Power conversion system

#96
20230291324
2023-09-14

Switching device, switching power supply apparatus, and vehicle

#97
20230275528
2023-08-31

Control device and power conversion device

#98
20230268840
2023-08-24

Power supply circuit

#99
20230261601
2023-08-17

POWER CONVERSION SYSTEM

#100
20230261492
2023-08-17

CHARGING DEVICE, METHOD FOR CONTROLLING CHARGING OF CHARGING DEVICE, AND VEHICLE

#101
20230261470
2023-08-17

Filter apparatus with reconfigurable choke unit changeover switch and capacitor unit for different AC voltage networks

#102
20230261220
2023-08-17

Apparatus for Converting Power of Fuel Cell for Power Generation and Method Thereof

#103
20230246560
2023-08-03

CONVERTER MODULATION FOR REDUCTION OF COMMON-MODE LEAKAGE CURRENT

#104
20230238878
2023-07-27

DC-DC converter having two resonant circuits and method for control and operation of a DC-DC converter

#105
20230231490
2023-07-20

POWER CONVERTER AND AIR CONDITIONER

#106
20230216426
2023-07-06

THREE-LEVEL INVERTER, CONTROL METHOD, AND SYSTEM

#107
20230199924
2023-06-22

POWER SUPPLY SYSTEM FOR AN ELECTRIC ARC FURNACE

#108
20230179085
2023-06-08

Noise filter

#109
20230174142
2023-06-08

STEERING SYSTEM

#110
20230163693
2023-05-25

Power conversion device

#111
20230151954
2023-05-18

Power Adapter of LED Light String Having Valley-fill Circuit

#112
20230147308
2023-05-11

POWER QUALITY COMPENSATION SYSTEM, A POWER ELECTRONIC CONTROLLER AND CONTROL METHOD OF THE SAME

#113
20230116269
2023-04-13

Determination of filter parameters in an inverter

#114
20230106145
2023-04-06

Converter assembly

#115
20230101152
2023-03-30

Wireless power transmitting device including impedance matching circuit and wireless power transmission method

#116
20230096893
2023-03-30

Power conversion device for suppressing flow of short-circuit current to discharging resistor

#117
20230068564
2023-03-02

CONVERSION SYSTEM AND CONVERSION DEVICE

#118
20230065991
2023-03-02

ELECTROMAGNETIC COMPATIBILITY FILTER OF A WIND POWER INSTALLATION

#119
20230058430
2023-02-23

Power Converter, Charging Post and Vehicle

#120
20230051498
2023-02-16

Method for identifying the filter inductor of a grid inverter

#121
20230049615
2023-02-16

Bi-directional line-interphase transformer-based converter

#122
20230045735
2023-02-09

High Power Charging Station

#123
20230031068
2023-02-02

System, method, and circuit for alternating current (AC) and direct current (DC) stabilizing path for a power supply

#124
20230018831
2023-01-19

Cast winding inductor apparatus and method of use thereof

#125
20230011426
2023-01-12

Filter for an electric machine

#126
20230010790
2023-01-12

Active Harmonics Cancellation

#127
20230009200
2023-01-12

ANTI-POWER ENVIRONMENT SUPPRESSION CIRCUIT, TOUCH SCREEN, AND TOUCH DISPLAY DEVICE

#128
20220416713
2022-12-29

Motor controller including resonant controllers

#129
20220415563
2022-12-29

METHOD OF FORMING A CAST INDUCTOR APPARATUS

#130
20220412651
2022-12-29

Converter Device and Electric Power Supply Apparatus

#131
20220406518
2022-12-22

METHOD OF FORMING A WOUND ELECTRICAL INDUCTOR APPARATUS

#132
20220399807
2022-12-15

Power converter power factor control

#133
20220399806
2022-12-15

Power converter power factor control

#134
20220399155
2022-12-15

WOUND INDUCTOR APPARATUS AND METHOD OF USE THEREOF

#135
20220393604
2022-12-08

Resonant converter with synchronous average harmonic current control

#136
20220385210
2022-12-01

Control device for power conversion apparatus

#137
20220385191
2022-12-01

Method of control of a system comprising a single-phase three-level T type quasi-Z source inverter connected to an LC filter which is in turn connected to a load

#138
20220384096
2022-12-01

Inductor winding guide apparatus and method of use thereof

#139
20220367106
2022-11-17

WELDED INDUCTOR WINDING APPARATUS AND METHOD OF USE THEREOF

#140
20220337147
2022-10-20

Synchronizing grid side harmonic filter and pre-charging cell capacitors in modular multilevel converters

#141
20220302769
2022-09-22

WIRELESS POWER TRANSMISSION SYSTEM AND WIRELESS POWER RECEPTION DEVICE

#142
20220278607
2022-09-01

ELECTRICAL CONVERTER

#143
20220271681
2022-08-25

ARC FURNACE POWER SUPPLY WITH CONVERTER CIRCUIT

#144
20220263452
2022-08-18

Ac drive dv/dt filter using reverse recovery charge of diodes

#145
20220263335
2022-08-18

POWER CONVERSION DEVICE

#146
20220255459
2022-08-11

Control method and system for three-phase grid-connected inverter, and three-phase grid-connected inverter

#147
20220255420
2022-08-11

Control method and system for three-phase grid-connected inverter, and three-phase grid-connected inverter

#148
20220247307
2022-08-04

DISTORSION FILTER ARRANGEMENT

#149
20220239219
2022-07-28

Electrical component and method for manufacturing an electronic component

#150
20220231593
2022-07-21

Multi-level inverter

#151
20220224218
2022-07-14

Integrated circuit and power supply circuit

#152
20220216802
2022-07-07

Three-phase converter and control method thereof

#153
20220209679
2022-06-30

High-performance power supply of wide output voltage range, and control method therefor

#154
20220200481
2022-06-23

Power conversion device

#155
20220200479
2022-06-23

Filter and AFE power cell phase control

#156
20220189686
2022-06-16

FLAT WINDING / EQUAL COUPLING COMMON MODE INDUCTOR APPARATUS AND METHOD OF USE THEREOF

#157
20220181991
2022-06-09

Three-level power conversion device

#158
20220166399
2022-05-26

Filter circuit for preventing reverse inflow of electromagnetic waves

#159
20220149749
2022-05-12

Method for controlling a power converter

#160
20220149734
2022-05-12

Control circuit of power converter

#161
20220140750
2022-05-05

Systems and methods for increasing efficiency of a power converter

#162
20220115173
2022-04-14

Common mode choke

#163
20220069734
2022-03-03

Power conversion system having a plurality of power conversion devices connected in parallel

#164
20220069726
2022-03-03

Hybrid capacitor bank for a power conversion assembly

#165
20220060112
2022-02-24

Switch-mode AC-DC power converter for reducing common mode noise

#166
20220053621
2022-02-17

External zero-crossing detection circuit for LED drivers

#167
20220052599
2022-02-17

Circuit device for reducing common-mode interference of a power converter

#168
20220038029
2022-02-03

Soft switched voltage source inverter

#169
20220037987
2022-02-03

Method and device for damping of LCL filter during start-up of an electronic appliance

#170
20220021310
2022-01-20

DC to DC boost converter

#171
20210408923
2021-12-30

Series/series resonant topology for wireless power transfer

#172
20210408893
2021-12-30

Powered system with passive filter for an energy storage device

#173
20210399570
2021-12-23

Electric vehicle DC charging system using a voltage of 1250 volts output by a transformer

#174
20210391785
2021-12-16

Electromagnetic emission rejection filter in hybrid/electric vehicles

#175
20210391771
2021-12-16

Electrical control assembly and electrical device

#176
20210376761
2021-12-02

Dead-time control method for power electronics converters and a circuit for the application of this method

#177
20210376753
2021-12-02

Conversion device having reduced common-mode current

#178
20210376739
2021-12-02

Conversion device having reduced size and cost

#179
20210367509
2021-11-25

Power semiconductor module

#180
20210359619
2021-11-18

Interleaved parallel inverters with integrated filter inductor and interphase transformer

#181
20210344297
2021-11-04

AC drive DV/DT filter using reverse recovery charge of diodes

#182
20210344269
2021-11-04

Isolating electrical components

#183
20210313873
2021-10-07

Power conversion device

#184
20210297010
2021-09-23

Power converter PWM

#185
20210288589
2021-09-16

Switching device, switching power supply apparatus, and vehicle

#186
20210288575
2021-09-16

Single-phase and three-phase compatible conversion circuit and vehicle-mounted charger

#187
20210282244
2021-09-09

Hybrid LED / photoluminescent signs

#188
20210273577
2021-09-02

POWER CONVERSION DEVICE

#189
20210273553
2021-09-02

Power converter apparatus provided with low-pass filter circuit for reducing switching frequency components

#190
20210257928
2021-08-19

Controlling method for single-phase bidirectional inverter and device thereof

#191
20210257152
2021-08-19

MULTI-INDUCTOR MOUNTING / COOLING APPARATUS AND METHOD OF USE THEREOF

#192
20210257151
2021-08-19

DELTA CIRCUIT EMBEDDED PARALLEL CAPACITORS OF A HARMONIC FILTER APPARATUS AND METHOD OF USE THEREOF

#193
20210257150
2021-08-19

FABRICATED INDUCTOR WINDING APPARATUS AND METHOD OF USE THEREOF

#194
20210249970
2021-08-12

Multiphase multilevel power converter having a drive and a passive frequency filter, and method for driving the multiphase multilevel power converter

#195
20210241967
2021-08-05

INDUCTOR MOUNTING APPARATUS AND METHOD OF USE THEREOF

#196
20210241966
2021-08-05

MAGNETIC PHASE ISOLATING HARMONIC FILTER FOR MULTI-PHASE POWER APPARATUS AND METHOD OF USE THEREOF

#197
20210241965
2021-08-05

Magnetic phase isolating harmonic filter for multi-phase power apparatus and method of use thereof

#198
20210241964
2021-08-05

DELTA CIRCUIT EMBEDDED CONTACTORS OF A HARMONIC FILTER APPARATUS AND METHOD OF USE THEREOF

#199
20210234459
2021-07-29

Switched-mode power supply with voltage limitation

#200
20210218327
2021-07-15

Differential mode electromagnetic noise injection network and active electromagnetic interference filter

#201
20210211552
2021-07-08

Voltage conversion circuit and image forming apparatus

#202
20210211049
2021-07-08

Switch-mode AC-DC power converter for reducing common mode noise

#203
20210211037
2021-07-08

Apparatus for conversion between AC power and DC power

#204
20210210278
2021-07-08

Fully integrated inversely weakly coupled power inductor

#205
20210203249
2021-07-01

Open phase detection system for power conversion system

#206
20210203161
2021-07-01

High-frequency current compensator and air-conditioning system

#207
20210194348
2021-06-24

Common mode (CM) electromagnetic interference (EMI) filters for reducing radiated EMI in power converters

#208
20210184589
2021-06-17

AC-AC converter comprising a matrix array of bidirectional switches of programmable configuration

#209
20210175820
2021-06-10

INTERLEAVED PARALLEL INVERTERS WITH INTEGRATED FILTER INDUCTOR AND INTERPHASE TRANSFORMER

#210
20210167692
2021-06-03

Power converter apparatus provided with low-pass filter circuit for reducing switching frequency components

#211
20210143726
2021-05-13

LCL filter

#212
20210135086
2021-05-06

OUTPUT FILTER FOR POWER TRAIN

#213
20210111628
2021-04-15

Converter assembly

#214
20210099072
2021-04-01

Filter module for power conversion device

#215
20210088038
2021-03-25

In-vehicle motor-driven compressor

#216
20210083613
2021-03-18

FILTER FOR POWER TRAIN

#217
20210083598
2021-03-18

Method for pulse-width modulation of a power converter and a power converter

#218
20210083568
2021-03-18

Filter for power train

#219
20210083564
2021-03-18

Multi-level inverter

#220
20210082609
2021-03-18

COMMON-MODE/DIFFERENTIAL-MODE THROTTLE FOR AN ELECTRICALLY DRIVEABLE MOTOR VEHICLE

#221
20210075311
2021-03-11

Grid-connected power converter control

#222
20210075310
2021-03-11

Compensation filter and method for activating a compensation filter

#223
20210067029
2021-03-04

Filter unit and frequency inverter

#224
20210061125
2021-03-04

Electric vehicle power-hub and operating modes thereof

#225
20210044110
2021-02-11

Inverter, power generating system, and method for suppressing harmonic distortion of alternating current system

#226
20210028720
2021-01-28

Power conversion apparatus and control method of the same

#227
20210006149
2021-01-07

Power converter

#228
20200412271
2020-12-31

Adaptive Control Method for Three-Phase Power Rectifier and Device Thereof

#229
20200403529
2020-12-24

Non-isolated inverting apparatus, control method thereof and photovoltaic system having the same

#230
20200403507
2020-12-24

Power supply device

#231
20200373849
2020-11-26

POWER CONVERTER

#232
20200373838
2020-11-26

INTEGRATED SWITCH MODE POWER SUPPLY DEVICE

#233
20200373828
2020-11-26

Device and method for suppressing harmonic distortions at the output of variable frequency drive

#234
20200366185
2020-11-19

High-frequency line filter

#235
20200350816
2020-11-05

Active harmonics cancellation

#236
20200350769
2020-11-05

Method for generating an alternating current by means of an inverter of a wind turbine

#237
20200321856
2020-10-08

Power supply device

#238
20200287477
2020-09-10

Power conditioner

#239
20200266705
2020-08-20

High power voltage regulator module with different plane orientations

#240
20200266698
2020-08-20

Multi-level inverter

#241
20200266697
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