IN171549B - - Google Patents

Info

Publication number
IN171549B
IN171549B IN392/CAL/89A IN392CA1989A IN171549B IN 171549 B IN171549 B IN 171549B IN 392CA1989 A IN392CA1989 A IN 392CA1989A IN 171549 B IN171549 B IN 171549B
Authority
IN
India
Application number
IN392/CAL/89A
Other languages
English (en)
Inventor
Thomas Andrew Lemak
Robert Lee Osborne
Michael Twerdochlib
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
Publication of IN171549B publication Critical patent/IN171549B/en

Links

Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02HEMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H3/00Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
    • H02H3/14Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to occurrence of voltage on parts normally at earth potential
IN392/CAL/89A 1988-06-13 1989-05-22 IN171549B (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/205,695 US4851949A (en) 1988-06-13 1988-06-13 Brush bounce detection in active shaft ground system

Publications (1)

Publication Number Publication Date
IN171549B true IN171549B (de) 1992-11-14

Family

ID=22763265

Family Applications (1)

Application Number Title Priority Date Filing Date
IN392/CAL/89A IN171549B (de) 1988-06-13 1989-05-22

Country Status (5)

Country Link
US (1) US4851949A (de)
JP (1) JP2632215B2 (de)
ES (1) ES2013550A6 (de)
IN (1) IN171549B (de)
IT (1) IT1232808B (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5134378A (en) * 1991-03-08 1992-07-28 Michael Twerdochlib System and method for detecting faults in generator bearing pedestals and seal insulation
DE102005027670A1 (de) * 2005-06-15 2007-01-11 Siemens Ag Anordnung und Verfahren zur Lagerstromüberwachung eines Elektromotors
US10539602B2 (en) * 2016-04-05 2020-01-21 Siemens Energy, Inc. Active shaft grounding system with diagnostic waveform analysis
FR3049713B1 (fr) * 2016-04-05 2021-02-19 Siemens Energy Inc Systeme actif de mise a la terre d'un arbre avec analyse diagnostic d'une forme d'onde
US11569712B2 (en) 2021-04-05 2023-01-31 General Electric Renovables Espana, S.L. System and method for detecting bearing insulation and ground brush health in a generator

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH594891A5 (de) * 1976-04-22 1978-01-31 Bbc Brown Boveri & Cie
DE3462073D1 (en) * 1983-06-22 1987-02-19 Bbc Brown Boveri & Cie Device for detecting a short circuit in the winding of the rotor of an electric machine
US4743998A (en) * 1986-09-16 1988-05-10 Wu Cheng Hsun Grounding system

Also Published As

Publication number Publication date
IT8941630A0 (it) 1989-06-12
US4851949A (en) 1989-07-25
JP2632215B2 (ja) 1997-07-23
JPH02106149A (ja) 1990-04-18
IT1232808B (it) 1992-03-05
ES2013550A6 (es) 1990-05-01

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