TW197540B - - Google Patents

Info

Publication number
TW197540B
TW197540B TW081101116A TW81101116A TW197540B TW 197540 B TW197540 B TW 197540B TW 081101116 A TW081101116 A TW 081101116A TW 81101116 A TW81101116 A TW 81101116A TW 197540 B TW197540 B TW 197540B
Authority
TW
Taiwan
Prior art keywords
shaft
transformer
voltage
detecting
induced
Prior art date
Application number
TW081101116A
Other languages
English (en)
Inventor
Twerdochlib Nichael
Original Assignee
Westinghouse Electric Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Westinghouse Electric Corp filed Critical Westinghouse Electric Corp
Application granted granted Critical
Publication of TW197540B publication Critical patent/TW197540B/zh

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K5/00—Casings; Enclosures; Supports
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/34—Testing dynamo-electric machines

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Motor Or Generator Frames (AREA)
  • Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
  • Tests Of Circuit Breakers, Generators, And Electric Motors (AREA)
TW081101116A 1991-03-08 1992-02-17 TW197540B (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/666,316 US5134378A (en) 1991-03-08 1991-03-08 System and method for detecting faults in generator bearing pedestals and seal insulation

Publications (1)

Publication Number Publication Date
TW197540B true TW197540B (zh) 1993-01-01

Family

ID=24673695

Family Applications (1)

Application Number Title Priority Date Filing Date
TW081101116A TW197540B (zh) 1991-03-08 1992-02-17

Country Status (8)

Country Link
US (1) US5134378A (zh)
EP (1) EP0503846A3 (zh)
JP (1) JPH07191103A (zh)
KR (1) KR920019044A (zh)
CA (1) CA2062445A1 (zh)
CS (1) CS67592A3 (zh)
MX (1) MX9200958A (zh)
TW (1) TW197540B (zh)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5796262A (en) * 1996-02-14 1998-08-18 Westinghouse Electric Corporation Method and apparatus for diagnosing bearing insulation impedance of a rotating electrical apparatus
MY116924A (en) * 1996-07-10 2004-04-30 Matsushita Electric Ind Co Ltd High speed dynamic run-out testing apparatus and method
US6163157A (en) * 1999-02-17 2000-12-19 General Electric Co. Insulation tester for squirrel cage rotors
US7034706B1 (en) 1999-05-06 2006-04-25 Nippes Paul I Early warning and problem detection in rotating machinery by monitoring shaft voltage and/or grounding current
US6460013B1 (en) 1999-05-06 2002-10-01 Paul I. Nippes Shaft voltage current monitoring system for early warning and problem detection
US6798112B1 (en) * 2003-04-25 2004-09-28 General Motors Corporation Armature ground locating test process and equipment
CH697269B1 (de) 2004-08-12 2008-07-31 Alstom Technology Ltd Verfahren und Vorrichtung zur Detektion von Streifstellen an rotierenden Maschinen.
JP4665689B2 (ja) * 2005-09-28 2011-04-06 株式会社日立製作所 発電機用軸封装置
DE102015223211A1 (de) * 2015-11-24 2017-05-24 Robert Bosch Gmbh Verfahren zum Erkennen eines Fehlers in einer Generatoreinheit
CN108828419B (zh) * 2018-08-01 2020-11-03 广东电网有限责任公司广州供电局 基于似然估计的开关房局部放电定向方法
CN113933668B (zh) * 2021-11-12 2024-05-10 中广核核电运营有限公司 发电机转子绝缘检测方法及发电机定子故障测试方法
CN115308599B (zh) * 2022-10-09 2023-03-28 深圳市兴丰元机电有限公司 一种电机用防水测试装置

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3746979A (en) * 1971-07-08 1973-07-17 V Kildishev Apparatus for measuring the insulation resistance of the rotor of a brushless synchronous machine
US3831160A (en) * 1973-10-01 1974-08-20 Gen Electric Voltage and current monitoring system
CH594891A5 (zh) * 1976-04-22 1978-01-31 Bbc Brown Boveri & Cie
US4097794A (en) * 1976-11-15 1978-06-27 Allis-Chalmers Corporation Static means for detecting ground insulation failure for rotary electric machines
EP0078852A4 (en) * 1981-05-09 1984-07-11 Mitsubishi Electric Corp MONITORING DEVICE FOR THE SHAFT VOLTAGE OF A ROTATING ELECTRICAL MACHINE.
US4517839A (en) * 1983-07-05 1985-05-21 Unit Rig & Equipment Co. Off-highway vehicle systems simulator and control panel testing
SE456376B (sv) * 1983-12-08 1988-09-26 Helmersson Rune Larmanordning vid isolerat rorsystem
JPS63169534A (ja) * 1987-01-08 1988-07-13 Kokusai Denshin Denwa Co Ltd <Kdd> 光ケ−ブルの障害点検出方式
US4808911A (en) * 1987-07-22 1989-02-28 Hughes Aircraft Company Loop resistance test apparatus
US4851949A (en) * 1988-06-13 1989-07-25 Westinghouse Electric Corp. Brush bounce detection in active shaft ground system

Also Published As

Publication number Publication date
EP0503846A2 (en) 1992-09-16
MX9200958A (es) 1992-09-01
US5134378A (en) 1992-07-28
CS67592A3 (en) 1992-10-14
JPH07191103A (ja) 1995-07-28
EP0503846A3 (en) 1994-05-18
CA2062445A1 (en) 1992-09-09
KR920019044A (ko) 1992-10-22

Similar Documents

Publication Publication Date Title
US3593123A (en) Dynamo electric machines including rotor winding earth fault detector
TW197540B (zh)
Nandi et al. Novel frequency-domain-based technique to detect stator interturn faults in induction machines using stator-induced voltages after switch-off
US4356443A (en) Detection of arcing faults in polyphase electric machines
ES8402429A1 (es) Un metodo para detectar un fallo de una fase a tierra en un sistema de energia electrica trifasica, y un aparato correspondiente.
EP1012611A4 (en) ARC FAULT DETECTION SYSTEM
Stone et al. Impact of slot discharges and vibration sparking on stator winding life in large generators
GB1509931A (en) Testing circuit for detecting earth-leakage faults in the rotor circuit of a brushless synchronous machine
FI960732A0 (fi) Laite staattorin maasulkujen havaitsemiseksi kolmivaihevirtakoneissa
CN104833839B (zh) 电机转子轴非接地端是否存在接地故障的检测装置
Timperley et al. Estimating the remaining service life of asphalt-mica stator insulation
CN104849608B (zh) 电机转子轴非接地端是否存在接地故障的检测方法
DE3366747D1 (en) Methods of investigating ground faults particularly on induction furnaces
Kogan et al. Surface corona suppression in high voltage stator winding end turns
JP2590232B2 (ja) 電気機器の絶縁診断方法
Boyd et al. Insulation Monitoring on Common Grounding Methods: Its Use in the Pulp and Paper Industry
JPS55164378A (en) Detecting unit for ground-fault trouble of brushless rotary generator
KR0140541Y1 (ko) 유도전동기의 고정자 권선의 형상 검사용 지그
JPH01190234A (ja) 非接触式界磁地絡検出装置
TR199900966T2 (xx) Bir elektrikli d�nen makinede hatal� ak�mlar�n kontrol edilmesi i�in bir cihaz.
Bethel Identifying motor defects through fault zone analysis
Paice¹ et al. Discriminating protection for trolley wires
Barkle et al. Detection of grounds in generator field windings
JPS57156572A (en) Detecting method for fault of secondary circuit of induction motor
Weddendorf The use of dc overpotential testing as a maintenance tool in the industrial plant