Patents-Review.com
ClassID:

216824 ⎘

H02H7/1257 - 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 rectifiers responsive to short circuit or wrong polarity in output circuit

Recent Application in this class:
#1
20250266775
2025-08-21

TECHNIQUE TO ALTER A HIGH VOLTAGE FOR A LOWER VOLTAGE LOAD

 #2
20240006875
2024-01-04

Electronic delay with stabilized output voltage and over current/short circuit protection

 #3
20230352942
2023-11-02

Power Conversion System

 #4
20230238795
2023-07-27

BRCT clamping absorption circuit with short circuit protection

 #5
20230123533
2023-04-20

ELECTRICAL POWER SYSTEM CONVERTER CONTROL

 #6
20220352810
2022-11-03

Control device and control method for modular multilevel converter

 #7
20220209526
2022-06-30

System and a method for protecting a regulator rectifier device and a respective protection device

 #8
20220200275
2022-06-23

Electrical network having fault protection control

 #9
20220200274
2022-06-23

Electrical network

 #10
20220190591
2022-06-16

Power converter protection circuit

 #11
20220181869
2022-06-09

Power conversion device

 #12
20220172914
2022-06-02

Method for coordinating protective devices in a distribution grid

 #13
20220166214
2022-05-26

Electric grid and method for operating an electric grid

 #14
20220149613
2022-05-12

Switching device for opening a current path

 #15
20220020544
2022-01-20

Apparatus for opening or closing a DC circuit, and method for automatically closing a DC circuit

 #16
20220006375
2022-01-06

Electrical AC/DC converter arrangement with an AC circuit breaker, and a method for disconnecting an AC/DC converter arrangement

 #17
20210175704
2021-06-10

Electrical AC/DC conversion arrangement

 #18
20200412128
2020-12-31

Communication less control technique for hybrid HVDC

 #19
20200266621
2020-08-20

Output device and power source system

 #20
20190386483
2019-12-19

IGBT SHORT-CIRCUIT DETECTION AND PROTECTION CIRCUIT AND IGBT-BASED CONTROLLABLE RECTIFIER CIRCUIT

 #21
20190312504
2019-10-10

Modular multi-level converter and DC failure blocking method therefor

 #22
20190068187
2019-02-28

Electric circuit arrangement and a method for generating electric current pulses to a load

 #23
20190068076
2019-02-28

Power conversion device having bypass circuit protection

 #24
20190044321
2019-02-07

Wireless power receiving device

 #25
20180316275
2018-11-01

Convertor apparatus configured to optimize initial charging time of DC link capacitor

 #26
20180287372
2018-10-04

IGBT SHORT-CIRCUIT DETECTION AND PROTECTION CIRCUIT AND IGBT-BASED CONTROLLABLE RECTIFIER CIRCUIT

 #27
20180278052
2018-09-27

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

 #28
20180191156
2018-07-05

Power distribution systems

 #29
20180109123
2018-04-19

Redox flow battery system

 #30
20180041027
2018-02-08

Semiconductor device for power supply control

 #31
20170310237
2017-10-26

Power converter

 #32
20170133834
2017-05-11

Transient protection for multi-terminal HVDC grid

 #33
20170047837
2017-02-16

Method for detecting a voltage collapse

 #34
20160211669
2016-07-21

Electric protection on AC side of HVDC

 #35
20160156171
2016-06-02

High voltage current source with short circuit protection

 #36
20130106184
2013-05-02

HVDC switchyard and an HVDC switchyard system

 #37
20110235375
2011-09-29

Apparatus having a converter

 #38
20090262469
2009-10-22

Circuit for protecting a DC network with DC loads against overvoltage

 #39
20070258179
2007-11-08

Power supply device having surge protection function