CH574181A5 - - Google Patents
Info
- Publication number
- CH574181A5 CH574181A5 CH936174A CH936174A CH574181A5 CH 574181 A5 CH574181 A5 CH 574181A5 CH 936174 A CH936174 A CH 936174A CH 936174 A CH936174 A CH 936174A CH 574181 A5 CH574181 A5 CH 574181A5
- Authority
- CH
- Switzerland
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/08—Locating faults in cables, transmission lines, or networks
- G01R31/081—Locating faults in cables, transmission lines, or networks according to type of conductors
- G01R31/085—Locating faults in cables, transmission lines, or networks according to type of conductors in power transmission or distribution lines, e.g. overhead
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Locating Faults (AREA)
- Emergency Protection Circuit Devices (AREA)
Priority Applications (11)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH936174A CH574181A5 (US07935154-20110503-C00006.png) | 1974-07-08 | 1974-07-08 | |
| DE19742440234 DE2440234C3 (de) | 1974-07-08 | 1974-08-22 | Verfahren und Einrichtung zur Leitungs-Fehlerortsbestimmung |
| US05/591,343 US3983377A (en) | 1974-07-08 | 1975-06-30 | Method and apparatus for detecting a fault location at an electrical conductor |
| CA230,809A CA1022234A (en) | 1974-07-08 | 1975-07-04 | Method and apparatus for detecting a defect location at an electrical conductor |
| SE7507714A SE399131B (sv) | 1974-07-08 | 1975-07-04 | Forfarande och anordning for bestamning av punkten for fel pa en elektrisk ledning |
| GB28549/75A GB1520294A (en) | 1974-07-08 | 1975-07-07 | Method and device for determination of the location of a fault on a conductor |
| IT25141/75A IT1039721B (it) | 1974-07-08 | 1975-07-07 | Procedimento e disposizione per determinare il punto di guastoin linee elettriche |
| NL7508050A NL7508050A (nl) | 1974-07-08 | 1975-07-07 | Werkwijze en inrichting voor het bepalen van de plaats van een fout in een elektrische leiding. |
| GB6476/78A GB1520629A (en) | 1974-07-08 | 1975-07-07 | Method for determination of the location of a fault on a conductor |
| JP50083365A JPS592867B2 (ja) | 1974-07-08 | 1975-07-07 | 線路の故障点標定方法 |
| FR7521287A FR2278078A1 (fr) | 1974-07-08 | 1975-07-07 | Procede et dispositif pour localiser un derangement sur une ligne electrique |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH936174A CH574181A5 (US07935154-20110503-C00006.png) | 1974-07-08 | 1974-07-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH574181A5 true CH574181A5 (US07935154-20110503-C00006.png) | 1976-03-31 |
Family
ID=4351173
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH936174A CH574181A5 (US07935154-20110503-C00006.png) | 1974-07-08 | 1974-07-08 |
Country Status (9)
Families Citing this family (32)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH610154A5 (US07935154-20110503-C00006.png) * | 1975-04-28 | 1979-03-30 | Bbc Brown Boveri & Cie | |
| CH608916A5 (US07935154-20110503-C00006.png) * | 1975-04-28 | 1979-01-31 | Bbc Brown Boveri & Cie | |
| CH608917A5 (US07935154-20110503-C00006.png) * | 1975-06-05 | 1979-01-31 | Bbc Brown Boveri & Cie | |
| CH609180A5 (US07935154-20110503-C00006.png) * | 1975-06-06 | 1979-02-15 | Bbc Brown Boveri & Cie | |
| JPS52100149A (en) * | 1976-02-18 | 1977-08-22 | Tokyo Electric Power Co Inc:The | Digital failure point evaluating unit |
| CH613570A5 (US07935154-20110503-C00006.png) * | 1976-03-25 | 1979-09-28 | Bbc Brown Boveri & Cie | |
| JPS5920109B2 (ja) * | 1978-04-03 | 1984-05-10 | 東京電力株式会社 | 故障点標定方式 |
| JPS592353B2 (ja) * | 1978-08-15 | 1984-01-18 | 東京電力株式会社 | 故障点標定方式 |
| JPS5830554B2 (ja) * | 1978-11-13 | 1983-06-29 | 東京電力株式会社 | 送電線故障点探査・送電線保護用の故障点標定方式 |
| US4321681A (en) * | 1979-09-21 | 1982-03-23 | Westinghouse Electric Corp. | Protective relay apparatus |
| IN157698B (US07935154-20110503-C00006.png) * | 1981-04-03 | 1986-05-17 | Gen Electric | |
| US4398255A (en) * | 1981-06-26 | 1983-08-09 | General Electric Company | Polyphase angle estimator |
| FR2527781A1 (fr) * | 1982-05-26 | 1983-12-02 | Enertec | Procede de mesure de distance d'un defaut sur une ligne avec prise en compte des capacites reparties |
| DE3361911D1 (en) * | 1982-06-23 | 1986-03-06 | Bbc Brown Boveri & Cie | Process for detecting faults or fault direction in electrical lines and means for carrying it out |
| US4578761A (en) * | 1983-03-25 | 1986-03-25 | At&T Bell Laboratories | Separating an equivalent circuit into components to detect terminating networks |
| DE3519262A1 (de) * | 1985-05-24 | 1986-11-27 | Siemens AG, 1000 Berlin und 8000 München | Verfahren zum erzeugen eines ausloesesignals in abhaengigkeit von der groesse und der dauer eines ueberstromes |
| AU603871B2 (en) * | 1987-03-03 | 1990-11-29 | Mitsubishi Denki Kabushiki Kaisha | Digital locator |
| US4931684A (en) * | 1988-12-23 | 1990-06-05 | Westinghouse Electric Corp. | Digitally scanned extended electron source in vacuum |
| US6691051B2 (en) * | 2001-08-14 | 2004-02-10 | Tektronix, Inc. | Transient distance to fault measurement |
| US6879917B2 (en) | 2002-06-14 | 2005-04-12 | Progress Energy Carolinas Inc. | Double-ended distance-to-fault location system using time-synchronized positive-or negative-sequence quantities |
| US7400150B2 (en) * | 2004-08-05 | 2008-07-15 | Cannon Technologies, Inc. | Remote fault monitoring in power lines |
| US7355412B1 (en) | 2004-08-05 | 2008-04-08 | Cannon Technologies, Inc. | Remote fault monitoring system |
| US20070108986A1 (en) * | 2005-11-17 | 2007-05-17 | Moore Robert E | Systems and methods for performing differential measurements in an electrical system |
| US7529382B2 (en) * | 2006-07-17 | 2009-05-05 | Burton A. Babb | High fidelity loudspeaker |
| BRPI0901107A2 (pt) * | 2009-03-05 | 2010-01-19 | Reason Tecnologia S A | mÉtodo e mecanismo para identificaÇço, registro e armazenamento de frentes de ondas viajantes em sistemas de energia elÉtrica |
| CN102967803B (zh) * | 2012-12-13 | 2015-05-06 | 山东理工大学 | 基于d型行波原理的配电网故障定位方法 |
| CN103364691B (zh) * | 2013-07-09 | 2015-09-23 | 上海交通大学 | 一种架空线-电缆混合线路分布式故障测距方法 |
| CN107607825A (zh) * | 2017-08-16 | 2018-01-19 | 杭州零尔电力科技有限公司 | 一种基于多频率零序电信号的单相接地故障选线方法 |
| CN107807308B (zh) * | 2017-10-10 | 2020-01-10 | 南京南瑞继保电气有限公司 | 一种输电线路行波波速自学习方法及行波测距装置 |
| CN110082636B (zh) * | 2019-05-07 | 2021-02-26 | 哈尔滨理工大学 | 一种电力电缆故障定位方法及系统 |
| CN110470946A (zh) * | 2019-07-22 | 2019-11-19 | 国网山西省电力公司 | 一种基于线路行波测量的电网故障点定位方法 |
| CN111679153A (zh) * | 2020-06-16 | 2020-09-18 | 南京南瑞继保电气有限公司 | 配电网故障测距方法、系统及一体化行波测距装置 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3735248A (en) * | 1970-03-31 | 1973-05-22 | R Reese | Apparatus having automatic re-set means for detecting a fault current |
| US3777129A (en) * | 1972-05-22 | 1973-12-04 | Gte Automatic Electric Lab Inc | Fault detection and localization in digital systems |
| US3812420A (en) * | 1972-12-21 | 1974-05-21 | Gen Ind Inc | Bridge circuit changing fault location method and device |
| US3831160A (en) * | 1973-10-01 | 1974-08-20 | Gen Electric | Voltage and current monitoring system |
-
1974
- 1974-07-08 CH CH936174A patent/CH574181A5/xx not_active IP Right Cessation
-
1975
- 1975-06-30 US US05/591,343 patent/US3983377A/en not_active Expired - Lifetime
- 1975-07-04 CA CA230,809A patent/CA1022234A/en not_active Expired
- 1975-07-04 SE SE7507714A patent/SE399131B/xx not_active IP Right Cessation
- 1975-07-07 IT IT25141/75A patent/IT1039721B/it active
- 1975-07-07 GB GB6476/78A patent/GB1520629A/en not_active Expired
- 1975-07-07 JP JP50083365A patent/JPS592867B2/ja not_active Expired
- 1975-07-07 FR FR7521287A patent/FR2278078A1/fr active Granted
- 1975-07-07 NL NL7508050A patent/NL7508050A/xx not_active Application Discontinuation
- 1975-07-07 GB GB28549/75A patent/GB1520294A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR2278078A1 (fr) | 1976-02-06 |
| SE7507714L (sv) | 1976-01-09 |
| NL7508050A (nl) | 1976-01-12 |
| SE399131B (sv) | 1978-01-30 |
| JPS592867B2 (ja) | 1984-01-20 |
| GB1520294A (en) | 1978-08-02 |
| DE2440234B2 (de) | 1976-10-14 |
| US3983377A (en) | 1976-09-28 |
| FR2278078B1 (US07935154-20110503-C00006.png) | 1978-12-08 |
| IT1039721B (it) | 1979-12-10 |
| GB1520629A (en) | 1978-08-09 |
| JPS5130944A (US07935154-20110503-C00006.png) | 1976-03-16 |
| DE2440234A1 (de) | 1976-01-22 |
| CA1022234A (en) | 1977-12-06 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased |