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
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
- H02H3/14—Emergency 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
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 (is) | 1992-11-14 |
Family
ID=22763265
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IN392/CAL/89A IN171549B (is) | 1988-06-13 | 1989-05-22 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US4851949A (is) |
| JP (1) | JP2632215B2 (is) |
| ES (1) | ES2013550A6 (is) |
| IN (1) | IN171549B (is) |
| IT (1) | IT1232808B (is) |
Families Citing this family (5)
| 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)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH594891A5 (is) * | 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 |
-
1988
- 1988-06-13 US US07/205,695 patent/US4851949A/en not_active Expired - Fee Related
-
1989
- 1989-05-22 IN IN392/CAL/89A patent/IN171549B/en unknown
- 1989-06-12 IT IT8941630A patent/IT1232808B/it active
- 1989-06-12 ES ES8902045A patent/ES2013550A6/es not_active Expired - Lifetime
- 1989-06-12 JP JP1149296A patent/JP2632215B2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JP2632215B2 (ja) | 1997-07-23 |
| US4851949A (en) | 1989-07-25 |
| ES2013550A6 (es) | 1990-05-01 |
| JPH02106149A (ja) | 1990-04-18 |
| IT8941630A0 (it) | 1989-06-12 |
| IT1232808B (it) | 1992-03-05 |