CH462955A - Indicateur de défauts dans un réseau de distribution de courant alternatif - Google Patents
Indicateur de défauts dans un réseau de distribution de courant alternatifInfo
- Publication number
- CH462955A CH462955A CH693268A CH693268A CH462955A CH 462955 A CH462955 A CH 462955A CH 693268 A CH693268 A CH 693268A CH 693268 A CH693268 A CH 693268A CH 462955 A CH462955 A CH 462955A
- Authority
- CH
- Switzerland
- Prior art keywords
- alternating current
- distribution network
- current distribution
- fault indicator
- fault
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H83/00—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current
- H01H83/14—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by imbalance of two or more currents or voltages, e.g. for differential protection
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H1/00—Details of emergency protective circuit arrangements
- H02H1/06—Arrangements for supplying operative power
-
- 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
- H02H3/08—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 excess current
- H02H3/083—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 excess current for three-phase systems
-
- 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
- H02H3/26—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 difference between voltages or between currents; responsive to phase angle between voltages or between currents
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB23842/67A GB1207323A (en) | 1967-05-23 | 1967-05-23 | A.c. system fault indicator |
Publications (1)
Publication Number | Publication Date |
---|---|
CH462955A true CH462955A (fr) | 1968-09-30 |
Family
ID=10202196
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH693268A CH462955A (fr) | 1967-05-23 | 1968-05-09 | Indicateur de défauts dans un réseau de distribution de courant alternatif |
Country Status (6)
Country | Link |
---|---|
US (1) | US3558984A (fr) |
CH (1) | CH462955A (fr) |
DE (1) | DE1763409A1 (fr) |
FR (1) | FR1565834A (fr) |
GB (1) | GB1207323A (fr) |
SE (1) | SE343991B (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0020047A2 (fr) * | 1979-05-16 | 1980-12-10 | THE GENERAL ELECTRIC COMPANY, p.l.c. | Procédé et appareil pour l'identification de défauts dans des systèmes de transmission de puissance électrique |
Families Citing this family (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5111189A (en) * | 1989-11-27 | 1992-05-05 | Sigma Instruments, Inc. | Fault indicator with timing control |
US8649142B2 (en) * | 2009-09-17 | 2014-02-11 | Schweitzer Engineering Laboratories Inc | Equivalent alpha plane fault determination for a multi-terminal power apparatus |
US8289668B2 (en) | 2009-09-17 | 2012-10-16 | Schweitzer Engineering Laboratories, Inc. | Charging current compensation for line current differential protection |
US9229036B2 (en) | 2012-01-03 | 2016-01-05 | Sentient Energy, Inc. | Energy harvest split core design elements for ease of installation, high performance, and long term reliability |
US9182429B2 (en) | 2012-01-04 | 2015-11-10 | Sentient Energy, Inc. | Distribution line clamp force using DC bias on coil |
US9008982B2 (en) | 2012-03-09 | 2015-04-14 | Schweitzer Engineering Laboratories, Inc. | Systems and methods for determining residual flux in a power transformer |
WO2016112104A1 (fr) | 2015-01-06 | 2016-07-14 | Sentient Energy, Inc. | Procédés et appareil permettant une atténuation des dégâts causés à des actifs de ligne électrique dus à la propagation d'arcs électriques |
US9984818B2 (en) | 2015-12-04 | 2018-05-29 | Sentient Energy, Inc. | Current harvesting transformer with protection from high currents |
US10634733B2 (en) | 2016-11-18 | 2020-04-28 | Sentient Energy, Inc. | Overhead power line sensor |
WO2019060841A1 (fr) | 2017-09-22 | 2019-03-28 | Schweitzer Engineering Laboratories, Inc. | Mesure de tension haute fidélité utilisant un diviseur résistif dans un transformateur de tension à couplage capacitif |
US11038342B2 (en) | 2017-09-22 | 2021-06-15 | Schweitzer Engineering Laboratories, Inc. | Traveling wave identification using distortions for electric power system protection |
US10802054B2 (en) | 2017-09-22 | 2020-10-13 | Schweitzer Engineering Laboratories, Inc. | High-fidelity voltage measurement using a capacitance-coupled voltage transformer |
US11476674B2 (en) | 2018-09-18 | 2022-10-18 | Sentient Technology Holdings, LLC | Systems and methods to maximize power from multiple power line energy harvesting devices |
US11041915B2 (en) | 2018-09-18 | 2021-06-22 | Sentient Technology Holdings, LLC | Disturbance detecting current sensor |
US11125832B2 (en) | 2018-12-13 | 2021-09-21 | Sentient Technology Holdings, LLC | Multi-phase simulation environment |
US11609590B2 (en) | 2019-02-04 | 2023-03-21 | Sentient Technology Holdings, LLC | Power supply for electric utility underground equipment |
US11187727B2 (en) | 2019-04-29 | 2021-11-30 | Schweitzer Engineering Laboratories, Inc. | Capacitance-coupled voltage transformer monitoring |
US11476655B2 (en) | 2020-01-14 | 2022-10-18 | Schweitzer Engineering Laboratories, Inc. | Trapped charge estimation |
US11575253B2 (en) | 2020-05-12 | 2023-02-07 | Schweitzer Engineering Laboratories, Inc. | Controlled three-pole close for transmission lines |
CN111796206B (zh) * | 2020-07-08 | 2023-03-28 | 广东电网有限责任公司 | 一种潜望镜式漏电观测装置 |
US11233389B1 (en) | 2020-10-30 | 2022-01-25 | Schweitzer Engineering Laboratories, Inc. | Controlled three-pole close for transformers |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3187282A (en) * | 1962-09-24 | 1965-06-01 | Sigma Instruments Inc | Current probe for high tension lines |
US3418575A (en) * | 1963-02-28 | 1968-12-24 | Westinghouse Electric Corp | High voltage current measuring device employing means responsive to the electromagnetic field generated by the current |
US3319125A (en) * | 1964-09-09 | 1967-05-09 | Mc Graw Edison Co | Repeating circuit interrupters having sequence coordination |
-
1967
- 1967-05-23 GB GB23842/67A patent/GB1207323A/en not_active Expired
-
1968
- 1968-05-09 CH CH693268A patent/CH462955A/fr unknown
- 1968-05-10 FR FR1565834D patent/FR1565834A/fr not_active Expired
- 1968-05-22 SE SE6948/68A patent/SE343991B/xx unknown
- 1968-05-22 US US731232A patent/US3558984A/en not_active Expired - Lifetime
- 1968-05-22 DE DE19681763409 patent/DE1763409A1/de active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0020047A2 (fr) * | 1979-05-16 | 1980-12-10 | THE GENERAL ELECTRIC COMPANY, p.l.c. | Procédé et appareil pour l'identification de défauts dans des systèmes de transmission de puissance électrique |
EP0020047A3 (en) * | 1979-05-16 | 1981-05-27 | The General Electric Company, P.L.C. | Method and apparatus for fault identification in electric power transmission systems |
Also Published As
Publication number | Publication date |
---|---|
US3558984A (en) | 1971-01-26 |
DE1763409A1 (de) | 1971-12-30 |
FR1565834A (fr) | 1969-05-02 |
SE343991B (fr) | 1972-03-20 |
GB1207323A (en) | 1970-09-30 |
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