ClassID:

171698

G01R31/1272 - page 2 - CPC Classification

Classification description:

Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere; Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing of components, parts or materials of solid or fluid materials, e.g. insulation films, bulk material; of semiconductors or LV electronic components or parts; of cable, line or wire insulation of cable, line or wire insulation, e.g. using partial discharge measurements

Recent Application in this class:
#301
20150260777
2015-09-17

Partial discharge detection system and method with synchronization

#302
20150253370
2015-09-10

Method and system for monitoring a condition of electrical cables

#303
20150247901
2015-09-03

Insulation inspection device for motors and insulation inspection method for motors

#304
20150241489
2015-08-27

Electrical test device and method

#305
20150204937
2015-07-23

Insulation monitoring device for simultaneously monitoring network sections of an ungrounded power supply system

#306
20150204936
2015-07-23

Partial discharge sensor

#307
20150185270
2015-07-02

Method for recognizing transformer partial discharge pattern based on singular value decomposition algorithm

#308
20150177279
2015-06-25

Electromagnetic wave identification method and identification device

#309
20150168481
2015-06-18

Device and method for insulation monitoring in a power supply system including a high-resistance grounded neutral point

#310
20150168480
2015-06-18

DEVICE FOR CONTINUOUS DETECTION OF A BREAK IN ELECTRIC INSULATION OF A HIGH-VOLTAGE CABLE AND ASSOCIATED DETECTION METHOD

#311
20150160284
2015-06-11

Analyzing partial discharge in an electric power distribution system

#312
20150160282
2015-06-11

Partial discharge detection apparatus and method

#313
20150137827
2015-05-21

Systems and methods for detecting partial discharge in electrical components

#314
20150091597
2015-04-02

Systems and methods for detecting partial discharge in electrical components

#315
20150066399
2015-03-05

Testing apparatus

#316
20150028885
2015-01-29

Method for evaluation of cable aging degradation based on slice sampling

#317
20150015303
2015-01-15

Partial discharge measurement system and partial discharge measurement method by repeated impulse voltage

#318
20150015273
2015-01-15

Method for determining an electrical property of cable insulation

#319
20140379283
2014-12-25

Electric arc detection method and device

#320
20140368215
2014-12-18

Method and apparatus for monitoring high voltage bushings safely

#321
20140347091
2014-11-27

Device for detecting partial discharge for power transformer

#322
20140347066
2014-11-27

Arc fault detection system and method

#323
20140340096
2014-11-20

Method for identifying one or more simultaneously occurring partial discharge sources

#324
20140285214
2014-09-25

ELECTRICAL INSULATING PROPERTY TESTER, ELECTRICAL INSULATING PROPERTY TESTING METHOD AND ELECTRICALLY INSULATED WIRE PRODUCING METHOD

#325
20140277321
2014-09-18

Alarm for lead insulation abnormality

#326
20140266271
2014-09-18

Injection protocol

#327
20140247066
2014-09-04

Detection of electrical arcs in photovoltaic equipment

#328
20140240184
2014-08-28

Antenna for coupling ESD sensitive measurement devices located in high voltage electric fields

#329
20140233686
2014-08-21

Device for removing partial discharge noise and method of diagnosing the same

#330
20140180617
2014-06-26

Inverter-driven rotary electric machine, phase-to-phase insulation partial discharge inspection method and phase-to-phase insulation partial discharge inspection apparatus

#331
20140176151
2014-06-26

Methods for locating ground faults and insulation degradation condition in energy conversion systems

#332
20140159755
2014-06-12

Partial discharge charge amount measuring method and device

#333
20140125353
2014-05-08

High performance sensor for partial discharge signal-analyzing systems

#334
20140114591
2014-04-24

Method for monitoring and measuring an insulation resistance with interference-resistant measuring signal

#335
20140104731
2014-04-17

Arc fault detector with circuit interrupter

#336
20140103939
2014-04-17

Detection of an insulation defect

#337
20140095086
2014-04-03

Direct current arc fault detector and circuit interrupter, and method of detecting an arc in a direct current power circuit

#338
20140084937
2014-03-27

On-line monitoring of stator insulation in motors and generators

#339
20140071564
2014-03-13

Arc fault detector, electrical device having the arc fault detector, and method of controlling the electrical device

#340
20140070818
2014-03-13

Device for measuring electrical treeing of medium voltage cables

#341
20140062498
2014-03-06

Device for monitoring internal arc in gas insulated switchgear

#342
20140062492
2014-03-06

Testing a fuse

#343
20140043035
2014-02-13

Method of locating faults on a cable

#344
20140002099
2014-01-02

Partial discharge sensor

#345
20140002098
2014-01-02

Locating of partial-discharge-generating faults

#346
20130328571
2013-12-12

Method And Device For Insulation Monitoring Comprising A Signal Quality Display

#347
20130307338
2013-11-21

Pulse generator circuit arrangement and method for generating pulsed signals for insulation fault location in IT networks

#348
20130221973
2013-08-29

Electrical test device and method

#349
20130211750
2013-08-15

Method for the continuous monitoring and diagnosis of sources of partial discharges (PDs) in high voltage cables during connection to, and operation in the power grid, and physical system for carrying out same

#350
20130191050
2013-07-25

Method of locating internal arcing in a gas-insulated line and an associated device

#351
20130191049
2013-07-25

Apparatus and method for monitoring an electric power transmission system through partial discharges analysis

#352
20130006560
2013-01-03

Evaluating noise and excess current on a power line

#353
20120306510
2012-12-06

Method and system for assessing insulation deterioration in live underground power cables

#354
20120299603
2012-11-29

ON-LINE MONITORING SYSTEM OF INSULATION LOSSES FOR UNDERGROUND POWER CABLES

#355
20120280699
2012-11-08

Partial discharge analysis coupling device that generates a pulse signal and a reference signal

#356
20120278013
2012-11-01

System and device for detecting defects in underground cables

#357
20120278012
2012-11-01

Device and method for detecting and locating defects in underground cables

#358
20120259562
2012-10-11

Processing system for detecting in-situ arcing events during substrate processing

#359
20120200301
2012-08-09

Sensing system and method for manufacturing the same

#360
20120182040
2012-07-19

Method of testing partial discharge of rotating electrical machine driven by inverter

#361
20120143533
2012-06-07

Partial discharge detection apparatus suitable for determining whether a partial discharge is of external or of internal origin, and a corresponding method

#362
20120133373
2012-05-31

Non-intrusive cable fault detection and methods

#363
20120109547
2012-05-03

Comprehensive method of electrical fluid heating system fault detection and handling

#364
20120105073
2012-05-03

Arrangement for eliminating interference from acoustic signals in a ground-borne sound locating process

#365
20120095706
2012-04-19

Acoustic apparatus and acoustic sensor apparatus including a fastener

#366
20120092965
2012-04-19

Acoustic sensor system for detecting electrical conductivity faults in an electrical distribution system

#367
20120092020
2012-04-19

ACOUSTIC APPARATUS AND ACOUSTIC SENSOR APPARATUS INCLUDING A CLAMP

#368
20120090396
2012-04-19

Acoustic sensor system, acoustic signature simulator, and electrical distribution system

#369
20120086435
2012-04-12

Manipulation assembly for online electrical system test probe installation

#370
20120081135
2012-04-05

Insulation measurement apparatus

#371
20120077444
2012-03-29

Method and device for improved detection and analysis of partial discharge activity in and around high voltage electrical equipment

#372
20120074955
2012-03-29

Methods and systems for quantifying degradation of wiring insulation

#373
20120022810
2012-01-26

Device and method for locating partial discharges

#374
20120022809
2012-01-26

Device and method for locating partial discharges

#375
20120013344
2012-01-19

DEVICE FOR DIAGNOSING MEASUREMENT OBJECTS USING A MEASUREMENT VOLTAGE

#376
20110291666
2011-12-01

Device and method for determining partial discharges at an electrical component

#377
20110254534
2011-10-20

Non-contact arc detection apparatus and method

#378
20110248721
2011-10-13

Partial discharge monitoring method and system

#379
20110241696
2011-10-06

Method for the simulation of defects with spark testers and spark testers

#380
20110204899
2011-08-25

Method of calibrating a partial discharge measuring device

#381
20110193563
2011-08-11

Monitoring partial discharge in high voltage systems

#382
20110184672
2011-07-28

INSULATION DIAGNOSTIC UNIT AND ALGORITHM FOR ELECTRIC MACHINE, AND EQUIPMENT INCLUDING THE DIAGNOSTIC UNIT

#383
20110181296
2011-07-28

Arc fault detector with circuit interrupter

#384
20110181295
2011-07-28

FAULT DETECTION USING COMBINED REFLECTOMETRY AND ELECTRONIC PARAMETER MEASUREMENT

#385
20110172970
2011-07-14

Apparatus for removing the partial discharge noise of an electrical power facility and apparatus for detecting a partial discharge generated section

#386
20110156720
2011-06-30

Portable partial discharge detection device

#387
20110101989
2011-05-05

Systems and methods for testing the standoff capability of an overhead power transmission line

#388
20110074397
2011-03-31

Monitoring system and current transformers for partial discharge detection

#389
20110068806
2011-03-24

VLF test generator

#390
20110068773
2011-03-24

Manipulation assembly for online electrical system test probe installation

#391
20110062967
2011-03-17

VLF test generator

#392
20110043219
2011-02-24

System for detecting faults in electrical wiring, and manufacturing method thereof

#393
20110025298
2011-02-03

Determining degraded insulating ability in insulation provided between two objects of an inductively operating element

#394
20110022338
2011-01-27

DETERMINING DEGRADED INSULATING ABILITY IN AN INDUCTIVELY OPERATING ELEMENT

#395
20110012586
2011-01-20

Method for detecting, identifying and locating partial discharges occurring in a discharge site along an electric apparatus

#396
20100332161
2010-12-30

MONITORING SYSTEM AND METHOD FOR WIRING SYSTEMS

#397
20100324747
2010-12-23

Composite type electric circuit breaker and method thereof

#398
20100308841
2010-12-09

Circuit arrangement for monitoring an electrical insulation

#399
20100271044
2010-10-28

REMOTE DETECTION OF DISCHARGE ON A POWER LINE NETWORK

#400
20100271002
2010-10-28

Discharge amount measuring device and method for rotational electric machine

#401
20100253364
2010-10-07

Method and system for passively detecting and locating wire harness defects

#402
20100250159
2010-09-30

Synchronizer for a data acquisition system

#403
20100219838
2010-09-02

Method of detecting the wet arc fault in the AC power distribution applications

#404
20100191486
2010-07-29

Method and an apparatus for monitoring an activity of partial electrical discharges in an electrical apparatus powered with direct voltage

#405
20100115750
2010-05-13

Medical boom with articulated arms and a base with preconfigured removable modular racks used for storing electronic and utility equipment

#406
20100114509
2010-05-06

Method for processing data pertaining to an activity of partial electrical discharges

#407
20100085669
2010-04-08

Arc fault detection using fuzzy logic

#408
20100073008
2010-03-25

Partial discharge coupler for application on high voltage generator bus works

#409
20100060290
2010-03-11

Identification of power system primary arcs based on pulse density

#410
20100045305
2010-02-25

Method and system for partial discharge testing of an insulation component

#411
20100013494
2010-01-21

Electrical partial discharge pulse marker discrimination

#412
20100007359
2010-01-14

Passive capacitively-coupled electrostatic (CCE) probe arrangement for detecting in-situ arcing events in a plasma processing chamber

#413
20090322345
2009-12-31

Insulation coated conductor inspection method and inspection apparatus

#414
20090302862
2009-12-10

METHOD AND SYSTEM FOR MONITORING PARTIAL DISCHARGE WITHIN AN ELECTRIC GENERATOR

#415
20090289640
2009-11-26

Insulation measurement apparatus

#416
20090289639
2009-11-26

Insulation measurement method and insulation measurement apparatus

#417
20090281746
2009-11-12

Method of prioritizing anomalies in a buried linear conductor

#418
20090248329
2009-10-01

ARC FAULT ROOT-CAUSE FINDER SYSTEM AND METHOD

#419
20090212786
2009-08-27

Impedance-based arc detector for computed tomography scanner and method of use thereof

#420
20090207535
2009-08-20

Arc fault detector

#421
20090189594
2009-07-30

Detection and monitoring of partial discharge of a power line

#422
20090177420
2009-07-09

Detection, localization and interpretation of partial discharge

#423
20090146666
2009-06-11

Partial discharge charge quantity measuring method and device

#424
20090108850
2009-04-30

Insulation resistance decrease detector for industrial vehicle

#425
20090102489
2009-04-23

Systems and methods for detecting electric discharge

#426
20090012727
2009-01-08

Detecting Partial Discharge in High Voltage Cables

#427
20080309351
2008-12-18

High voltage insulation monitoring sensor

#428
20080231289
2008-09-25

CLAMPING APPARATUS AND A SYSTEM AND METHOD FOR DETECTING DEFECTS IN ELECTRICAL WIRING

#429
20080224713
2008-09-18

Device for measuring the loss factor

#430
20080204042
2008-08-28

Networked power line parameter analysis method and system

#431
20080157988
2008-07-03

Portable partial discharge detection apparatus and method thereof

#432
20080140354
2008-06-12

Arc fault detector with circuit interrupter

#433
20080048710
2008-02-28

Detection and monitoring of partial discharge of a power line

#434
20080048668
2008-02-28

Diagnostic methods for electrical cables utilizing axial tomography

#435
20070279071
2007-12-06

Method and System for Diagnosing Degradation in Vehicle Wiring

#436
20070263329
2007-11-15

Electrical switching apparatus and method employing acoustic and current signals to distinguish between parallel and series arc faults

#437
20070262780
2007-11-15

ARC fault detector

#438
20070153436
2007-07-05

Low cost arc fault detection technique

#439
20070085548
2007-04-19

Insulation degradation diagnostic device

#440
20070081291
2007-04-12

Dissipator

#441
20070063709
2007-03-22

Systems and methods for triggering a partial discharge acquisition

#442
20070046296
2007-03-01

Partial discharge sensor

#443
20070046295
2007-03-01

System and method for performing online partial discharge testing

#444
20060279292
2006-12-14

Method and apparatus for measuring a dielectric response of an electrical insulating system

#445
20060259281
2006-11-16

Method of detecting the position of a wave front in a signal received by a detector

#446
20060241881
2006-10-26

Networked power line parameter analysis method and system

#447
20060226852
2006-10-12

Arc fault detector

#448
20060215335
2006-09-28

Arc fault detection and confirmation using voltage and current analysis

#449
20060214668
2006-09-28

Arc fault detector

#450
20060212235
2006-09-21

Arc fault detector with circuit interrupter

#451
20060164100
2006-07-27

Method and system for measuring partial discharge

#452
20060145705
2006-07-06

Antenna for detection of partial discharges in a chamber of an electrical instrument

#453
20060085146
2006-04-20

Dynamic energy threshold calculation for high impedance fault detection

#454
20060071667
2006-04-06

Method and system for measuring partial discharge

#455
20060038573
2006-02-23

Low current AC partial discharge diagnostic system for wiring diagnostics

#456
20060022679
2006-02-02

Apparatus and method for detecting partial discharge at turn-to-turn insulation in motor

#457
20050264298
2005-12-01

Partial discharge detection test link, partial discharge detection system and methods for detecting partial discharge on a power cable

#458
20050218905
2005-10-06

Device for detecting interferences or interruptions of the inner fields smoothing layer of medium or high voltage cables

#459
20050206393
2005-09-22

System and method for high voltage testing of twisted insulated conductors

#460
20050194979
2005-09-08

Online fiber optic sensor for detecting partial discharge and similar events in large utility station transformers and the like

#461
20050184737
2005-08-25

Method and system for measuring partial discharge

#462
20050134290
2005-06-23

Current transformers for partial discharge detection on aircraft cables and wires

#463
20050134285
2005-06-23

Arc fault detector

#464
20050099170
2005-05-12

Method of an apparatus for testing wiring

#465
17320860
2021-10-19

Functional reliability assessment for insulated power cable systems

#466
17132214
2022-04-12

Method for determining the condition of one or more rotating machine assets and profiling their maintenance needs using partial discharge measurements

#467
16502353
2023-02-21

Electrical substation yard wiring

#468
16208568
2020-04-21

Method of cable sensing data collection, and electronic apparatus and chip using the same

#469
15233533
2019-07-09

Method for installation of electrical substation yard wiring

#470
14673408
2017-09-19

Pulse modulated passive intermodulation (PIM) measuring instrument with reduced noise floor