H02H9/021 - CPC Classification Index

ClassID:

216854 ⎘

H02H9/021 - CPC Classification

Classification description:

Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess current Current limitation using saturable reactors

Recent Application in this class:

20250246899

2025-07-31

SYSTEMS, METHODS, APPARATUSES, AND DEVICES FOR CONTROLLING CHANGE IN AN IMPEDANCE OF A POWER SUPPLY CIRCUIT DURING A FAULT

20250105621

2025-03-27

SHORT-CIRCUIT CURRENT CONTROL IN POWER SYSTEMS

20210257832

2021-08-19

Solid-state circuit breaker and breaking method for solid-state circuit breaker

20200403401

2020-12-24

Limiter circuit

20200052483

2020-02-13

Short circuit fault current limiter

20200014199

2020-01-09

Current controlling device

20200006937

2020-01-02

Fault current limiter with modular mutual reactor

20190304675

2019-10-03

Fault Current Limiter

20190304674

2019-10-03

Fault Current Limiter

#10

20180197684

2018-07-12

Capacitor system

#11

20180175614

2018-06-21

Fault current limiter

#12

20180123338

2018-05-03

Fault current limiter with modular mutual reactor

#13

20180019589

2018-01-18

FAULT CURRENT LIMITER

#14

20170229858

2017-08-10

Fault current limiter

#15

20170162320

2017-06-08

Current harvesting transformer with protection from high currents

#16

20170133838

2017-05-11

Method for reducing the inrush current of an inductive load

#17

20170092418

2017-03-30

Fault current limiter

#18

20170047732

2017-02-16

Fault Current Limiter

#19

20160181864

2016-06-23

Systems and methods for implementing series compensators in static UPS

#20

20160020604

2016-01-21

Current-limiting and power-flow control device

#21

20150357814

2015-12-10

Fault Current Limiter

#22

20150318688

2015-11-05

Current limiting device, current limiter and current limiting system for power grid

#23

20150162742

2015-06-11

Fault current limiter with interleaved windings

#24

20150061692

2015-03-05

Devices and methods for providing an impulse circuit

#25

20150055263

2015-02-26

Solid state fault current limiter

#26

20150055260

2015-02-26

Fast switch fault current limiter

#27

20140357490

2014-12-04

Fault current limiter system with current splitting device

#28

20140347153

2014-11-27

Power-electronic-type fault current limiter using magnetic turn-off principle

#29

20140301007

2014-10-09

Fault current limiter

#30

20140254056

2014-09-11

Fault current limiter

#31

20140233143

2014-08-21

Protection and control system, protection and control device, and merging unit

#32

20140192450

2014-07-10

Fault current limiter

#33

20140177120

2014-06-26

System and method for fault protection

#34

20130141202

2013-06-06

Core

#35

20120264613

2012-10-18

Fault current limited system with current splitting device

#36

20120256614

2012-10-11

TECHNIQUE FOR LIMITING FAULT CURRENT TRANSMISSION

#37

20120200971

2012-08-09

Fault current limiter with shield and adjacent cores

#38

20120154966

2012-06-21

FAULT CURRENT LIMITERS (FCL) WITH THE CORES SATURATED BY NON-SUPERCONDUCTING COILS

#39

20120153927

2012-06-21

Fault current limiter with saturated core

#40

20100165532

2010-07-01

Fault current limiter

#41

20100046125

2010-02-25

Fault current limiting

#42

20090201118

2009-08-13

Electromagnetic current limiter device

#43

20090160417

2009-06-25

Current limiting device for plasma power supply

#44

20090021875

2009-01-22

Fault current limiters (FCL) with the cores saturated by superconducting coils

#45

20070230076

2007-10-04

Fault current limiting

#46

20060158803

2006-07-20

Fault current limiters (fcl) with the cores staurated by superconducting coils

#47

20050259376

2005-11-24

Circuit for diverting surges and transient impulses

#48

20050174127

2005-08-11

Circuit component and transformer device with controllable impedance and with systems equipped with such devices

#49

17356790

2021-10-12

Leakage current protection system for marinas