ClassID:

216842

H02H7/267 - 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; Sectionalised protection of cable or line systems, e.g. for disconnecting a section on which a short-circuit, earth fault, or arc discharge has occured for parallel lines and wires

Recent Application in this class:
#1
20200313423
2020-10-01

Transformer isolation response using direct current link

#2
20200287378
2020-09-10

ARRAY OF ELECTRICAL GENERATOR UNITS

#3
20190101581
2019-04-04

Method and monitoring device for selectively determining a partial system leakage capacitance in an ungrounded power supply system

#4
20180159324
2018-06-07

Electrical line status monitoring system

#5
20180034260
2018-02-01

Power distribution system for connection to an AC voltage network

#6
20170346275
2017-11-30

Selective protection circuit and method, and power supply system

#7
20170192060
2017-07-06

Enhanced protection, diagnosis, and control of power distribution and control units

#8
20170133834
2017-05-11

Transient protection for multi-terminal HVDC grid

#9
20170047729
2017-02-16

Relay protection method and apparatus against LC parallel circuit detuning faults

#10
20160365722
2016-12-15

Fault identification and isolation in an electric propulsion system

#11
20160026159
2016-01-28

Method of transmitting electrical energy

#12
20150280427
2015-10-01

System and method of controlling current-limiters in ring systems

#13
20140200726
2014-07-17

Method of distance protection of parallel transmission line

#14
20140062196
2014-03-06

Systems and methods for power transmission with cable segment failover support

#15
20120212862
2012-08-23

METHOD AND DEVICE FOR LIMITING SECONDARY ARC CURRENT OF EXTRA-HIGH VOLTAGE/ULTRA-HIGH VOLTAGE DOUBLE CIRCUIT LINES ON THE SAME TOWER

#16
20120188673
2012-07-26

Electrical line status monitoring system

#17
20120095707
2012-04-19

Method for identifying type of fault on power line

#18
20120065907
2012-03-15

Measuring device, protection relay, and program product

#19
20110163614
2011-07-07

METHOD AND SYSTEM FOR REARRANGING SOUND CONDUCTORS IN PARALLEL LINES IN POWER TRANSMISSION

#20
20060009931
2006-01-12

Automated calibration of I/O over a multi-variable eye window

#21
13555372
2017-02-28

Limiting the effects of faults in a data center