FR2447637B1 - - Google Patents
Info
- Publication number
- FR2447637B1 FR2447637B1 FR7901575A FR7901575A FR2447637B1 FR 2447637 B1 FR2447637 B1 FR 2447637B1 FR 7901575 A FR7901575 A FR 7901575A FR 7901575 A FR7901575 A FR 7901575A FR 2447637 B1 FR2447637 B1 FR 2447637B1
- Authority
- FR
- France
- 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
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/04—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for transformers
- H02H7/05—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for transformers for capacitive voltage transformers, e.g. against resonant conditions
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R15/00—Details of measuring arrangements of the types provided for in groups G01R17/00 - G01R29/00, G01R33/00 - G01R33/26 or G01R35/00
- G01R15/04—Voltage dividers
- G01R15/06—Voltage dividers having reactive components, e.g. capacitive transformer
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Transformers For Measuring Instruments (AREA)
- Emergency Protection Circuit Devices (AREA)
- Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7901575A FR2447637A1 (fr) | 1979-01-23 | 1979-01-23 | Perfectionnement aux transformateurs capacitifs de tension |
DE8080900240T DE3063000D1 (en) | 1979-01-23 | 1980-01-22 | Improvement relating to voltage capacitive transformers |
PCT/FR1980/000007 WO1980001516A1 (fr) | 1979-01-23 | 1980-01-22 | Perfectionnement aux transformateurs capacitifs de tension |
US06/214,053 US4329638A (en) | 1979-01-23 | 1980-01-23 | Capacitive voltage transformers |
EP80900240A EP0022834B1 (fr) | 1979-01-23 | 1980-07-29 | Perfectionnement aux transformateurs capacitifs de tension |
BR8006041A BR8006041A (pt) | 1979-01-23 | 1980-09-19 | Aperfeicoamento em transformador capacitivo de tensao |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7901575A FR2447637A1 (fr) | 1979-01-23 | 1979-01-23 | Perfectionnement aux transformateurs capacitifs de tension |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2447637A1 FR2447637A1 (fr) | 1980-08-22 |
FR2447637B1 true FR2447637B1 (US07923587-20110412-C00022.png) | 1981-12-18 |
Family
ID=9221054
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7901575A Granted FR2447637A1 (fr) | 1979-01-23 | 1979-01-23 | Perfectionnement aux transformateurs capacitifs de tension |
Country Status (5)
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE8900352U1 (de) * | 1989-01-13 | 1989-08-03 | Raupach, Peter, Dipl.-Volksw., 8600 Bamberg | Kapazitiver Spannungswandler |
FR2649245B1 (fr) * | 1989-06-29 | 1994-02-25 | Gec Alsthom Sa | Disjoncteur a haute tension a dispositifs de detection de tension incorpores |
US5293110A (en) * | 1992-06-08 | 1994-03-08 | American Electric Power Service Corporation | Bridge capacitor bank installation |
CN101988958A (zh) * | 2009-08-07 | 2011-03-23 | 华东电力试验研究院有限公司 | 电容式电压互感器准确度校验装置及校验方法 |
FR2974939B1 (fr) * | 2011-05-03 | 2013-06-28 | Alstom Grid Sas | Procede de commande d'un appareil d'interruption de courant dans un reseau electrique haute tension |
US9008982B2 (en) * | 2012-03-09 | 2015-04-14 | Schweitzer Engineering Laboratories, Inc. | Systems and methods for determining residual flux in a power transformer |
CN103675445B (zh) * | 2013-12-17 | 2017-01-25 | 国家电网公司 | 一种利用电容式电压互感器进行高压谐波测量的方法 |
EP2990810B1 (en) * | 2014-08-29 | 2017-02-22 | Siemens Aktiengesellschaft | Oil active part design in gas |
US11038342B2 (en) | 2017-09-22 | 2021-06-15 | Schweitzer Engineering Laboratories, Inc. | Traveling wave identification using distortions for electric power system protection |
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 |
US10802054B2 (en) | 2017-09-22 | 2020-10-13 | Schweitzer Engineering Laboratories, Inc. | High-fidelity voltage measurement using a capacitance-coupled voltage transformer |
US11187727B2 (en) | 2019-04-29 | 2021-11-30 | Schweitzer Engineering Laboratories, Inc. | Capacitance-coupled voltage transformer monitoring |
CN113933558A (zh) * | 2021-10-13 | 2022-01-14 | 江苏斯菲尔电气股份有限公司 | 一种可自动识别电流互感器规格并设置变比的仪表 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2756414A (en) * | 1952-03-01 | 1956-07-24 | Motorola Inc | Coupling unit |
US3401304A (en) * | 1965-12-01 | 1968-09-10 | Gen Electric | Potential device protective network |
US3517263A (en) * | 1966-05-31 | 1970-06-23 | Nissin Electric Co Ltd | Capacitor voltage transeormer |
GB1311720A (en) * | 1970-12-18 | 1973-03-28 | English Electric Co Ltd | High voltage monitoring systems |
GB1338637A (en) * | 1971-06-08 | 1973-11-28 | English Electric Co Ltd | Capacitor voltage transformer systems |
CA1014615A (en) * | 1972-11-09 | 1977-07-26 | Howard R. Lucas | Protective system for a capacitor voltage transformer |
-
1979
- 1979-01-23 FR FR7901575A patent/FR2447637A1/fr active Granted
-
1980
- 1980-01-22 DE DE8080900240T patent/DE3063000D1/de not_active Expired
- 1980-01-22 WO PCT/FR1980/000007 patent/WO1980001516A1/fr active IP Right Grant
- 1980-01-23 US US06/214,053 patent/US4329638A/en not_active Expired - Lifetime
- 1980-07-29 EP EP80900240A patent/EP0022834B1/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR2447637A1 (fr) | 1980-08-22 |
WO1980001516A1 (fr) | 1980-07-24 |
US4329638A (en) | 1982-05-11 |
EP0022834A1 (fr) | 1981-01-28 |
DE3063000D1 (en) | 1983-06-16 |
EP0022834B1 (fr) | 1983-05-11 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |