ClassID:

216819

H02H7/1225 - CPC Classification

Classification description:

Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for converters; for rectifiers for static converters or rectifiers for inverters, i.e. dc/ac converters responsive to internal faults, e.g. shoot-through

Recent Application in this class:
#1
20250327879
2025-10-23

MONITORING HEALTH OF CAPACITOR OF POWER CONVERTER

#2
20240213763
2024-06-27

METHOD AND CONTROL UNIT FOR OPERATING A SWITCH DEVICE HAVING A SWITCH UNIT, AND SWITCH DEVICE

#3
20230187926
2023-06-15

Ground fault minimization

#4
20230039217
2023-02-09

Shoot through current detection and protection circuit

#5
20230031711
2023-02-02

Installation including a stored energy source and an electric motor which can be fed by an inverter, and method for operating an installation

#6
20220037875
2022-02-03

System and method for compact motor control with redundant power structures

#7
20210288592
2021-09-16

Power conversion apparatus that judges system power failure based on system frequency and voltage

#8
20210257830
2021-08-19

Method, device and system for protecting parallel-connected topology units

#9
20210057907
2021-02-25

Overvoltage absorption circuit and single-phase heric topology

#10
20210050799
2021-02-18

Power conversion device with inverter circuit

#11
20210044223
2021-02-11

Motor driving apparatus and refrigeration cycle equipment

#12
20200343716
2020-10-29

Ground fault minimization

#13
20200185906
2020-06-11

Semiconductor device with surge current protection

#14
20200133319
2020-04-30

Control of an electrical power system responsive to sensing a ground fault

#15
20200021103
2020-01-16

Ground fault minimization

#16
20200006883
2020-01-02

Electrical Receptacle with Self Engaging Power Shut-Off Protection

#17
20190245339
2019-08-08

Half bridge circuit driver chip with protection circuit and protection method thereof

#18
20190199086
2019-06-27

System and method for compact motor control with redundant power structures

#19
20190199085
2019-06-27

Motor control system with integrated solid-state contactor and relays and method of operation thereof

#20
20190173391
2019-06-06

Modular isolated half-bridge based capacitor-tapped multi-module converter with inherent DC fault segregation capability

#21
20190157907
2019-05-23

Power reception device and wireless power transmission system including the same

#22
20190140573
2019-05-09

Half-bridge inverter modules with advanced protection through high-side to low-side control block communication

#23
20190058322
2019-02-21

Indicator using existing power supply controller terminals

#24
20190049507
2019-02-14

Electric ground fault detection system and method

#25
20190036444
2019-01-31

Load switch and method of switching same

#26
20190028020
2019-01-24

Converter module for HVDC power station

#27
20190027923
2019-01-24

Switching circuit

#28
20180366943
2018-12-20

CONTROL DEVICE OF POWER CONVERTER

#29
20180309283
2018-10-25

Switch-mode power supply and control having protection from a short-circuited current sensing resistor

#30
20180294634
2018-10-11

Method for limiting the current in devices of “H-bridge” type

#31
20180178833
2018-06-28

Control for electric power steering

#32
20180123495
2018-05-03

Half-bridge inverter modules with advanced protection through high-side to low-side control block communication

#33
20180045771
2018-02-15

Apparatus and method for predicting fault state of inverter

#34
20180045767
2018-02-15

Electric ground fault detection system and method

#35
20170373603
2017-12-28

Power conversion circuit with indicator coupled to input terminal to signal condition of the controller

#36
20170349207
2017-12-07

Motor drive device and electric power steering device

#37
20170288394
2017-10-05

System and switch assembly thereof with fault protection and associated method

#38
20170264229
2017-09-14

Motor drive device

#39
20170264221
2017-09-14

Motor drive circuitry

#40
20170207621
2017-07-20

Electrical bypass apparatus

#41
20170201189
2017-07-13

Three-level photovoltaic inverter pulse width modulation method and modulator

#42
20170054360
2017-02-23

Semiconductor device

#43
20170005463
2017-01-05

Electronic circuit device

#44
20160322893
2016-11-03

Method for monitoring a battery, evaluation device, and measuring system

#45
20160308478
2016-10-20

Motor control device and electric power steering system

#46
20160241174
2016-08-18

Motor control device

#47
20160211660
2016-07-21

Semiconductor device with surge current protection

#48
20160204597
2016-07-14

Current sensor, and power conversion apparatus

#49
20160190797
2016-06-30

Digital signal offset adjustment device and method and pulse pattern generation apparatus

#50
20160181791
2016-06-23

Inductive rotary joint with secondary safety circuit

#51
20160181789
2016-06-23

Protection circuit for an inverter as well as inverter system

#52
20160173020
2016-06-16

Power conversion device, electric power steering system, electric vehicle, electronic control throttle, and electric brake

#53
20160161559
2016-06-09

MV switching device of the electromagnetic type having an improved power drive circuit

#54
20160146890
2016-05-26

Diagnosis apparatus for field winding type rotating electric machine and diagnosis method for field winding type rotating electric machine

#55
20160134212
2016-05-12

Motor control apparatus, electric power steering apparatus and vehicle using the same

#56
20160072401
2016-03-10

Power conversion device

#57
20160036342
2016-02-04

Power conversion device

#58
20160031391
2016-02-04

DC power system for marine applications

#59
20160020688
2016-01-21

Electronic device for acquiring specific information of respective switching elements

#60
20150349521
2015-12-03

Short-circuit detection device and method used in inverter circuit

#61
20150331032
2015-11-19

Method for monitoring a half bridge branch in a half bridge

#62
20150311780
2015-10-29

Fault tolerant power supply incorporating intelligent gate driver-switch circuit to provide uninterrupted power

#63
20150311695
2015-10-29

Variable frequency drive overvoltage protection

#64
20150291088
2015-10-15

Power supply device and illumination device for vehicle using same

#65
20150214727
2015-07-30

Bypass control structure of link unit of chain circuit active power filter and method

#66
20150207427
2015-07-23

Power conversion device

#67
20150188410
2015-07-02

Power conversion device with overcurrent protection

#68
20150130393
2015-05-14

Solid-state relay for running direction control of three-phase alternating current motor and method thereof

#69
20150115852
2015-04-30

OVER-CURRENT PROTECTION CIRCUIT AND MOTOR DRIVING DEVICE

#70
20150107934
2015-04-23

Power supply current monitoring device

#71
20150098258
2015-04-09

Converter circuit

#72
20140361722
2014-12-11

Diagnosis of over-current conditions in bipolar motor controllers

#73
20140346861
2014-11-27

Vehicle auxiliary power supply device and overcurrent protection method thereof

#74
20140339890
2014-11-20

Inverter and power system with fuse protection

#75
20140268940
2014-09-18

Method for controlling switching branch of three-level converter and switching branch for three-level converter

#76
20140268939
2014-09-18

Fault tolerant power supply incorporating intelligent gate driver-switch circuit to provide uninterrupted power

#77
20140198544
2014-07-17

Contactless power supply device

#78
20140184117
2014-07-03

Method and device for operating a brushless motor

#79
20140159697
2014-06-12

Protection circuit for protecting a half-bridge circuit

#80
20140103990
2014-04-17

Fault tolerant fail-safe link

#81
20140077736
2014-03-20

Method and device for operating a brushless motor

#82
20130320903
2013-12-05

Method and controller for an electric motor with switch testing

#83
20130169288
2013-07-04

Apparatus and method for detecting failure of switching device in inverter

#84
20130140104
2013-06-06

Safety circuit for an electric motor of an electromechanical steering system

#85
20130106423
2013-05-02

MAIN RELAY MONITORING DEVICE AND METHOD FOR GREEN VEHICLE

#86
20130083434
2013-04-04

Diagnosis of over-current conditions in bipolar motor controllers

#87
20120181961
2012-07-19

Power converting apparatus for electric vehicle

#88
20120153918
2012-06-21

Protection circuit for protecting a half-bridge circuit

#89
20120020124
2012-01-26

Apparatus for detecting short-circuit of output diode in converter

#90
20110074333
2011-03-31

Control apparatus for multi-phase rotary machine and electric power steering system

#91
20110043152
2011-02-24

DRIVE CONTROL DEVICE

#92
20090218967
2009-09-03

Motor drive circuit

#93
20090160476
2009-06-25

Failure detection device for power circuit including switching element

#94
20090073729
2009-03-19

Protection circuit for protecting a half-bridge circuit

#95
20080232145
2008-09-25

Inverter Circuit with Distributed Energy Stores

#96
20080204959
2008-08-28

Method for fault handling in a converter circuit for wiring of three voltage levels

#97
20070291522
2007-12-20

Interconnection inverter device

#98
20070223154
2007-09-27

HIGH SIDE RESET LOGIC FOR GATE DRIVER

#99
20070047274
2007-03-01

Power supplying apparatus and power supplying method

#100
20070046274
2007-03-01

Failure detecting device for a load driving system

#101
16007721
2019-03-26

Automatic modularity control for multi power stack air cooled inverter