CA946927A - Method of ascertaining a defective conductor or conductors in a multiphase power transport line - Google Patents
Method of ascertaining a defective conductor or conductors in a multiphase power transport lineInfo
- Publication number
- CA946927A CA946927A CA055,993A CA55993A CA946927A CA 946927 A CA946927 A CA 946927A CA 55993 A CA55993 A CA 55993A CA 946927 A CA946927 A CA 946927A
- Authority
- CA
- Canada
- Prior art keywords
- ascertaining
- conductors
- transport line
- multiphase power
- power transport
- 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.)
- Expired
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R29/00—Arrangements for measuring or indicating electric quantities not covered by groups G01R19/00 - G01R27/00
- G01R29/16—Measuring asymmetry of polyphase networks
-
- 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
- H02H3/265—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 responsive to phase angle between voltages or between currents
-
- 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
- H02H3/32—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 involving comparison of the voltage or current values at corresponding points in different conductors of a single system, e.g. of currents in go and return conductors
- H02H3/34—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 involving comparison of the voltage or current values at corresponding points in different conductors of a single system, e.g. of currents in go and return conductors of a three-phase system
- H02H3/343—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 involving comparison of the voltage or current values at corresponding points in different conductors of a single system, e.g. of currents in go and return conductors of a three-phase system using phase sequence analysers
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Emergency Protection Circuit Devices (AREA)
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
- Locating Faults (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR158001 | 1968-07-05 |
Publications (1)
Publication Number | Publication Date |
---|---|
CA946927A true CA946927A (en) | 1974-05-07 |
Family
ID=8652130
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA055,993A Expired CA946927A (en) | 1968-07-05 | 1969-07-03 | Method of ascertaining a defective conductor or conductors in a multiphase power transport line |
Country Status (8)
Country | Link |
---|---|
US (1) | US3626281A (xx) |
CA (1) | CA946927A (xx) |
CH (1) | CH533379A (xx) |
DE (1) | DE1931928C3 (xx) |
FR (1) | FR1597420A (xx) |
GB (1) | GB1272262A (xx) |
SE (1) | SE354551B (xx) |
SU (1) | SU369755A3 (xx) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110297133A (zh) * | 2019-07-11 | 2019-10-01 | 广东志高暖通设备股份有限公司 | 缺相及相序检测电路、印制电路板和空调外机 |
Families Citing this family (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3971007A (en) * | 1973-05-29 | 1976-07-20 | Sola Basic Industries, Inc. | Line isolation monitor |
US4091433A (en) * | 1977-02-10 | 1978-05-23 | General Electric Company | Protective relay circuit for interphase faults |
CH612046A5 (xx) * | 1977-04-01 | 1979-06-29 | Bbc Brown Boveri & Cie | |
JPS53130079A (en) * | 1977-04-19 | 1978-11-13 | Kansai Electric Power Co Inc:The | Disconnection detecting relay |
JPS53130078A (en) * | 1977-04-19 | 1978-11-13 | Kansai Electric Power Co Inc:The | Ground-fault phase detecting relay |
US4342064A (en) * | 1978-02-21 | 1982-07-27 | General Electric Company | Static distance relays with improved polarizing signal |
US4161011A (en) * | 1978-02-21 | 1979-07-10 | General Electric Company | Ground distance relay employing phase comparator measurement |
FR2480441A1 (fr) * | 1980-04-15 | 1981-10-16 | Enertec | Procede et dispositifs d'identification de phases en defaut dans un reseau de distribution electrique |
DE3638251C1 (de) * | 1986-11-10 | 1988-05-05 | Vero Electronics Gmbh | Rueckwand fuer ein Gehaeuse zur Aufnahme elektrischer Baugruppen |
FR2610115B1 (fr) * | 1987-01-22 | 1989-04-28 | Enertec | Procede et dispositif pour la recherche de conducteurs en defaut dans une ligne electrique |
US4833460A (en) * | 1987-02-02 | 1989-05-23 | Sabo Thomas E | Phasing indicator |
FR2650711B1 (fr) * | 1989-08-07 | 1995-04-14 | Merlin Gerin | Relais de commande pour disjoncteur shunt a poles separes |
DE9214972U1 (de) * | 1992-11-04 | 1992-12-24 | Jungheinrich AG, 2000 Hamburg | Ladegerät zum Aufladen von Batterien |
US5378979A (en) * | 1992-11-25 | 1995-01-03 | Allen-Bradley Company, Inc. | Method and apparatus for efficiently computing symmetric sequence signals in a three phase power system |
US6525543B1 (en) * | 2000-10-20 | 2003-02-25 | Schweitzer Engineering Laboratories | Fault type selection system for identifying faults in an electric power system |
US8575941B2 (en) * | 2009-09-08 | 2013-11-05 | Schweitzer Engineering Laboratories Inc | Apparatus and method for identifying a faulted phase in a shunt capacitor bank |
US8791704B2 (en) | 2011-10-11 | 2014-07-29 | Schweitzer Engineering Laboratories Inc. | Fault-type identification for electric power delivery systems |
CN107247194B (zh) * | 2017-07-17 | 2020-04-14 | 国网江西省电力公司电力科学研究院 | 一种不平衡台区调相效果的检测方法及装置 |
US10859639B2 (en) | 2018-10-02 | 2020-12-08 | Schweitzer Engineering Laboratories, Inc. | Fault-type identification in an electric power delivery system using composite signals |
US11567109B2 (en) | 2019-10-11 | 2023-01-31 | Schweitzer Engineering Laboratories, Inc. | Capacitor bank control using wireless electrical measurement sensors away from capacitor bank |
US11592498B2 (en) | 2020-10-02 | 2023-02-28 | Schweitzer Engineering Laboratories, Inc. | Multi-phase fault identification in capacitor banks |
US11808824B2 (en) | 2021-03-17 | 2023-11-07 | Schweitzer Engineering Laboratories, Inc. | Systems and methods to identify open phases of a capacitor bank |
CN113608030B (zh) * | 2021-05-28 | 2022-06-17 | 武汉大学 | 一种非全线平行四回线路零序分布参数的非解耦测量方法 |
DE102022209203B3 (de) * | 2022-09-05 | 2024-02-15 | Siemens Aktiengesellschaft | Verfahren, Schutzgerät und Softwareprogrammprodukt zum Erkennen eines Doppelerdschlusses |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3048745A (en) * | 1957-10-24 | 1962-08-07 | English Electric Co Ltd | Power energization supply means for electrical protective relay systems |
FR1501814A (fr) * | 1966-09-12 | 1967-11-18 | Compteurs Comp D | Dispositif permettant la détection ainsi que la mesure de distance des défauts à la terre dans un réseau triphasé avec neutre mise à la terre |
-
1968
- 1968-07-05 FR FR158001A patent/FR1597420A/fr not_active Expired
-
1969
- 1969-06-24 DE DE1931928A patent/DE1931928C3/de not_active Expired
- 1969-06-30 CH CH998669A patent/CH533379A/fr not_active IP Right Cessation
- 1969-07-03 US US839011A patent/US3626281A/en not_active Expired - Lifetime
- 1969-07-03 CA CA055,993A patent/CA946927A/en not_active Expired
- 1969-07-04 SE SE09497/69A patent/SE354551B/xx unknown
- 1969-07-05 SU SU1345151A patent/SU369755A3/ru active
- 1969-07-07 GB GB34091/69A patent/GB1272262A/en not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110297133A (zh) * | 2019-07-11 | 2019-10-01 | 广东志高暖通设备股份有限公司 | 缺相及相序检测电路、印制电路板和空调外机 |
CN110297133B (zh) * | 2019-07-11 | 2021-07-27 | 广东志高暖通设备股份有限公司 | 缺相及相序检测电路、印制电路板和空调外机 |
Also Published As
Publication number | Publication date |
---|---|
DE1931928C3 (de) | 1979-01-18 |
US3626281A (en) | 1971-12-07 |
SU369755A3 (xx) | 1973-02-08 |
FR1597420A (xx) | 1970-06-29 |
DE1931928A1 (de) | 1970-01-15 |
GB1272262A (en) | 1972-04-26 |
CH533379A (fr) | 1973-01-31 |
SE354551B (xx) | 1973-03-12 |
DE1931928B2 (de) | 1978-06-01 |
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