ClassID:

216847

H02H9/001 - page 2 - CPC Classification

Classification description:

Emergency protective circuit arrangements for limiting excess current or voltage without disconnection limiting speed of change of electric quantities, e.g. soft switching on or off

Recent Application in this class:
#301
20070257705
2007-11-08

Device for managing the consumption peak of a domain on each powering-up

#302
20070236848
2007-10-11

Method and apparatus for an in-rush current limiting circuit

#303
20070230229
2007-10-04

Solid state pre-charge module

#304
20070223164
2007-09-27

Overcurrent detection circuit and power supply apparatus provided therewith

#305
20070188959
2007-08-16

Electronic element adapted to an electric circuit arrangement

#306
20070188950
2007-08-16

Protection device for non-common ground buses

#307
20070153440
2007-07-05

Circuit for protecting motherboard

#308
20070108959
2007-05-17

Power supply control device and precharge processing method

#309
20070064366
2007-03-22

System and method for limiting AC inrush current

#310
20070053215
2007-03-08

AC/DC converter capable of actively restraining an inrush current

#311
20070053131
2007-03-08

Method for operating an electrical device

#312
20070047171
2007-03-01

Capacitor circuit with surge protection

#313
20070035909
2007-02-15

Switching device combination for capacitive loads connected to direct voltage

#314
20070014134
2007-01-18

Inrush current control circuit

#315
20060292924
2006-12-28

Power control circuit

#316
20060274468
2006-12-07

Active inrush current control using a relay for AC to DC converters

#317
20060250738
2006-11-09

Active current limiting circuit

#318
20060238945
2006-10-26

Current limiting circuit

#319
20060224360
2006-10-05

Fault diagnosing apparatus for vehicle and fault diagnosing method for vehicle

#320
20060208685
2006-09-21

System for precharging a DC link in a variable speed drive

#321
20060164778
2006-07-27

Inrush current limiting circuit

#322
20060164776
2006-07-27

Current-limiting circuit and method for operating the circuit

#323
20060132999
2006-06-22

Surge current prevention circuit and DC power supply

#324
20060132105
2006-06-22

Controlling inrush current

#325
20060131962
2006-06-22

Interconnected generator system

#326
20060126234
2006-06-15

Energizing capacitor loads

#327
20060082222
2006-04-20

Rack level power management

#328
20060072274
2006-04-06

Method of controlling surge current in fan modules and apparatus thereof

#329
20060050541
2006-03-09

Controlled inrush current limiter

#330
20060023475
2006-02-02

In-rush current limiter

#331
20060021098
2006-01-26

Method and apparatus for detecting welding of a relay contact

#332
20050237679
2005-10-27

Protective circuit for a frequency converter

#333
20050231874
2005-10-20

Inrush current controller

#334
20050212492
2005-09-29

Method and circuit for energizing and de-energizing an electric energy storage device

#335
20050201032
2005-09-15

Protection against surges of electric current

#336
20050190515
2005-09-01

Power supply with disconnect fuse

#337
20050088157
2005-04-28

Electrical circuit for limiting switching-on current

#338
20050007709
2005-01-13

Transient protection and current control of devices

#339
20050007167
2005-01-13

PWM switching regulator control circuit

#340
20050007117
2005-01-13

Transient protection of sensors

#341
17412017
2024-01-30

Methods and apparatus for precharge monitoring of high voltage circuits

#342
16815279
2021-11-30

Capacitance pre-charging

#343
15810153
2018-10-23

Arc suppression device and arc suppression method

#344
14262267
2018-11-20

Device and method for open phase detection

#345
13793065
2016-09-06

Radiation hardened chip level integrated recovery apparatus, methods, and integrated circuits