CH462955A - Indicateur de défauts dans un réseau de distribution de courant alternatif - Google Patents

Indicateur de défauts dans un réseau de distribution de courant alternatif

Info

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
Application number
CH693268A
Other languages
English (en)
Inventor
Freeman Smith John Walter
Martin Gray Frederick
Original Assignee
English Electric Co Ltd
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 English Electric Co Ltd filed Critical English Electric Co Ltd
Publication of CH462955A publication Critical patent/CH462955A/fr

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
CH693268A 1967-05-23 1968-05-09 Indicateur de défauts dans un réseau de distribution de courant alternatif CH462955A (fr)

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)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

Families Citing this family (24)

* Cited by examiner, † Cited by third party
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
CN107300659B (zh) * 2017-07-05 2024-11-26 国网甘肃省电力公司电力科学研究院 一种绝缘子耐压试验辅助装置
CN111108399A (zh) 2017-09-22 2020-05-05 施瓦哲工程实验有限公司 使用电容耦合电压互感器中的电阻分压器的高保真度电压测量
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
US11041915B2 (en) 2018-09-18 2021-06-22 Sentient Technology Holdings, LLC Disturbance detecting current sensor
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
US12050241B2 (en) 2018-10-15 2024-07-30 Sentient Technology Holdings, Llc. Power line sensors with automatic phase identification
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
US12316112B2 (en) 2022-07-12 2025-05-27 Schweitzer Engineering Laboratories, Inc. Breaker control units and related systems and methods

Family Cites Families (3)

* Cited by examiner, † Cited by third party
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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
SE343991B (fr) 1972-03-20
DE1763409A1 (de) 1971-12-30
GB1207323A (en) 1970-09-30
FR1565834A (fr) 1969-05-02

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