JPS53107640A - Grounding fault detector - Google Patents
Grounding fault detectorInfo
- Publication number
- JPS53107640A JPS53107640A JP2242277A JP2242277A JPS53107640A JP S53107640 A JPS53107640 A JP S53107640A JP 2242277 A JP2242277 A JP 2242277A JP 2242277 A JP2242277 A JP 2242277A JP S53107640 A JPS53107640 A JP S53107640A
- Authority
- JP
- Japan
- Prior art keywords
- fault detector
- grounding fault
- thyristor
- gate
- measuring
- Prior art date
- Legal status (The legal status 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 status listed.)
- Granted
Links
Landscapes
- Emergency Protection Circuit Devices (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2242277A JPS53107640A (en) | 1977-03-01 | 1977-03-01 | Grounding fault detector |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2242277A JPS53107640A (en) | 1977-03-01 | 1977-03-01 | Grounding fault detector |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS53107640A true JPS53107640A (en) | 1978-09-19 |
JPS623653B2 JPS623653B2 (ja) | 1987-01-26 |
Family
ID=12082231
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2242277A Granted JPS53107640A (en) | 1977-03-01 | 1977-03-01 | Grounding fault detector |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS53107640A (ja) |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2014155957A1 (ja) * | 2013-03-29 | 2014-10-02 | パナソニック株式会社 | 漏電検出装置 |
US10333291B2 (en) | 2017-09-25 | 2019-06-25 | Schweitzer Engineering Laboratories, Inc. | Multiple generator ground fault detection |
US10797632B2 (en) | 2018-08-21 | 2020-10-06 | Schweitzer Engineering Laboratories, Inc. | Sensitive directional element for generator protection |
US10819261B1 (en) | 2019-10-25 | 2020-10-27 | Schweitzer Engineering Laboratories, Inc. | Security improvements for electric power generator protection |
US10931097B2 (en) | 2017-09-25 | 2021-02-23 | Schweitzer Engineering Laboratories, Inc. | Generator stator ground protection using third harmonic |
US11316455B2 (en) | 2019-08-28 | 2022-04-26 | Schweitzer Engineering Laboratories, Inc. | Generator rotor turn-to-turn fault detection using fractional harmonics |
US11946966B1 (en) | 2023-02-20 | 2024-04-02 | Schweitzer Engineering Laboratories, Inc. | Selective stator ground fault protection using positive-sequence voltage reference |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4725251U (ja) * | 1971-04-06 | 1972-11-21 | ||
JPS4864729U (ja) * | 1971-11-22 | 1973-08-16 |
-
1977
- 1977-03-01 JP JP2242277A patent/JPS53107640A/ja active Granted
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4725251U (ja) * | 1971-04-06 | 1972-11-21 | ||
JPS4864729U (ja) * | 1971-11-22 | 1973-08-16 |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2014155957A1 (ja) * | 2013-03-29 | 2014-10-02 | パナソニック株式会社 | 漏電検出装置 |
JP2014199718A (ja) * | 2013-03-29 | 2014-10-23 | パナソニック株式会社 | 漏電検出装置 |
US10333291B2 (en) | 2017-09-25 | 2019-06-25 | Schweitzer Engineering Laboratories, Inc. | Multiple generator ground fault detection |
US10931097B2 (en) | 2017-09-25 | 2021-02-23 | Schweitzer Engineering Laboratories, Inc. | Generator stator ground protection using third harmonic |
US10797632B2 (en) | 2018-08-21 | 2020-10-06 | Schweitzer Engineering Laboratories, Inc. | Sensitive directional element for generator protection |
US11316455B2 (en) | 2019-08-28 | 2022-04-26 | Schweitzer Engineering Laboratories, Inc. | Generator rotor turn-to-turn fault detection using fractional harmonics |
US10819261B1 (en) | 2019-10-25 | 2020-10-27 | Schweitzer Engineering Laboratories, Inc. | Security improvements for electric power generator protection |
US11946966B1 (en) | 2023-02-20 | 2024-04-02 | Schweitzer Engineering Laboratories, Inc. | Selective stator ground fault protection using positive-sequence voltage reference |
Also Published As
Publication number | Publication date |
---|---|
JPS623653B2 (ja) | 1987-01-26 |
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