ClassID:

216876

H02H11/005 - CPC Classification

Classification description:

Emergency protective circuit arrangements for preventing the switching-on in case an undesired electric working condition might result in case of too low isolation resistance, too high load, short-circuit; earth fault

Recent Application in this class:
#1
20250283956
2025-09-11

POWER CONVERSION APPARATUS AND INSULATION IMPEDANCE DETECTION METHOD

#2
20240283242
2024-08-22

SWITCH CONTROL DEVICE AND BATTERY PACK INCLUDING THE SAME

#3
20210129675
2021-05-06

Method for detecting an isolation fault

#4
20200133319
2020-04-30

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

#5
20200086743
2020-03-19

Vehicle and method of delivering electrical current to an outlet on the vehicle

#6
20190288507
2019-09-19

ELECTRICAL LINE STATUS MONITORING SYSTEM

#7
20190237959
2019-08-01

Circuits to identify protection device failures

#8
20190058354
2019-02-21

Electronic status reporting circuit breaker

#9
20180278052
2018-09-27

Converter apparatus having function of detecting short circuit failure, and method for detecting short circuit failure of converter apparatus

#10
20180241230
2018-08-23

Power converting device and method of controlling power converting device

#11
20180241195
2018-08-23

Protection circuit and illumination driving circuit

#12
20180196490
2018-07-12

Power management apparatus for managing system power including plurality of electronic devices, and operating

#13
20180159324
2018-06-07

Electrical line status monitoring system

#14
20180019585
2018-01-18

Power receiving apparatus and control circuit thereof

#15
20170302073
2017-10-19

Relay protection system

#16
20170012425
2017-01-12

Combined device for electrical protection against transient overvoltages and monitoring of an electrical installation

#17
20170012422
2017-01-12

Fault detection system

#18
20160313385
2016-10-27

Devices for ground-resistance detection

#19
20160226235
2016-08-04

Transfer switch including management system and associated method

#20
20160156181
2016-06-02

Electronic device and motherboard and protecting circuit of electronic device

#21
20160149531
2016-05-26

Motor drive having function for preventing secondary damage

#22
20160141863
2016-05-19

Safety apparatus of fuel cell vehicle and method for controlling the safety apparatus

#23
20160134118
2016-05-12

High voltage direct current transmission and distribution system

#24
20160089998
2016-03-31

Precharging a motor vehicle high-voltage network

#25
20150293165
2015-10-15

Motor drive device including function to detect failure in insulation resistance deterioration detection unit of motor, and failure detection method

#26
20150285851
2015-10-08

Insulation detecting device

#27
20150236501
2015-08-20

Device and method for interrupting battery current

#28
20150077122
2015-03-19

Safety device and method for an electric installation

#29
20140362478
2014-12-11

Power system and short-circuit protection circuit thereof

#30
20140347897
2014-11-27

High voltage direct current transmission and distribution system

#31
20140312822
2014-10-23

Motor drive device having function of detecting abnormality of DC link unit

#32
20140285930
2014-09-25

Methods providing control for electro-permanent magnetic devices and related electro-permanent magnetic devices and controllers

#33
20140268430
2014-09-18

Breaker design for power system resiliency

#34
20140103990
2014-04-17

Fault tolerant fail-safe link

#35
20120320475
2012-12-20

Permanent magnet alternator margin detector

#36
20120212076
2012-08-23

PROTECTION CIRCUIT FOR ELECTRIC OUTLET

#37
20120188673
2012-07-26

Electrical line status monitoring system

#38
20110101793
2011-05-05

Voice Control Energy-Saving Power Socket

#39
20110085273
2011-04-14

Circuit breaker with improved re-closing functionality

#40
20100208396
2010-08-19

EARTH LEAKAGE CIRCUIT BREAKER WITH FUNCTION FOR DETECTING REVERSE LEAKAGE CURRENT

#41
20100102826
2010-04-29

Power supply monitoring system

#42
20100013323
2010-01-21

Apparatus, system, and method for safely connecting a device to a power source

#43
20090225480
2009-09-10

Electrical safety outlet

#44
20090179655
2009-07-16

System and method for fault isolation and leakage current detection

#45
20080024142
2008-01-31

High current capable circuit testing closer apparatus and method

#46
20080013225
2008-01-17

Circuit device of an override protection switch

#47
20070159180
2007-07-12

Arrangement for testing a power output stage

#48
20070086126
2007-04-19

Electrical safety outlet

#49
20070058312
2007-03-15

Abnormal connection detecting circuit and driving device including the same

#50
20060221519
2006-10-05

Ground fault circuit interrupter

#51
20060055419
2006-03-16

System and method for detecting motor coil-to-coil faults

#52
20050286193
2005-12-29

Integrated processor/motherboard short detect and safeguard mechanism