JPS4711492U
(xx)
*
|
1971-03-01 |
1972-10-11 |
|
|
CH608916A5
(xx)
*
|
1975-04-28 |
1979-01-31 |
Bbc Brown Boveri & Cie |
|
CH610154A5
(xx)
*
|
1975-04-28 |
1979-03-30 |
Bbc Brown Boveri & Cie |
|
CH608917A5
(xx)
*
|
1975-06-05 |
1979-01-31 |
Bbc Brown Boveri & Cie |
|
CH609180A5
(xx)
*
|
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
(xx)
*
|
1976-03-25 |
1979-09-28 |
Bbc Brown Boveri & Cie |
|
CH611467A5
(xx)
*
|
1976-09-30 |
1979-05-31 |
Bbc Brown Boveri & Cie |
|
US4161027A
(en)
*
|
1976-10-04 |
1979-07-10 |
Electric Power Research Institute, Inc. |
Digital protection system for transmission lines and associated power equipment
|
US4183072A
(en)
*
|
1976-12-29 |
1980-01-08 |
Mitsubishi Denki Kabushiki Kaisha |
Protective relaying system
|
FR2380631A1
(fr)
*
|
1977-02-09 |
1978-09-08 |
Schlumberger Compteurs |
Relais directionnel
|
JPS53107639A
(en)
*
|
1977-03-03 |
1978-09-19 |
Tokyo Electric Power Co Inc:The |
Fault point deciding method
|
JPS53141442A
(en)
*
|
1977-05-16 |
1978-12-09 |
Tokyo Electric Power Co Inc:The |
Distance relay
|
EP0000248B1
(en)
*
|
1977-06-28 |
1981-03-18 |
DAVY McKEE (POOLE) LIMITED |
Milling machine with depth of cut control
|
ES468764A1
(es)
*
|
1978-04-13 |
1979-10-01 |
Arteche Instr Sistemas |
nueva proteccion electrica con tiempo de retardo dependien-te de una magnitud regulada
|
JPS54137649A
(en)
*
|
1978-04-18 |
1979-10-25 |
Tokyo Electric Power Co Inc:The |
Digital protective relay device
|
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
|
JPS5592514A
(en)
*
|
1978-12-28 |
1980-07-14 |
Tokyo Shibaura Electric Co |
Digital protection relay
|
JPS55127829A
(en)
*
|
1979-03-27 |
1980-10-03 |
Tokyo Shibaura Electric Co |
Digital distance relay unit
|
US4281386A
(en)
*
|
1979-08-01 |
1981-07-28 |
Tokyo Shibaura Denki Kabushiki Kaisha |
Systems for detecting faults in electric power systems
|
US4321681A
(en)
*
|
1979-09-21 |
1982-03-23 |
Westinghouse Electric Corp. |
Protective relay apparatus
|
IN155620B
(xx)
*
|
1980-03-01 |
1985-02-16 |
Gen Electric Co Plc |
|
US4335437A
(en)
*
|
1980-04-15 |
1982-06-15 |
Westinghouse Electric Corp. |
Circuit interrupter with energy management functions
|
JPS5714755A
(en)
*
|
1980-06-30 |
1982-01-26 |
Mitsubishi Electric Corp |
Method of reducing effect due to quantization error of digital processing locator
|
US4385271A
(en)
*
|
1981-03-20 |
1983-05-24 |
Moshe Kurtz |
Fault monitoring by detecting a polarity difference
|
IN157698B
(xx)
*
|
1981-04-03 |
1986-05-17 |
Gen Electric |
|
US4398255A
(en)
*
|
1981-06-26 |
1983-08-09 |
General Electric Company |
Polyphase angle estimator
|
US4499417A
(en)
*
|
1981-10-27 |
1985-02-12 |
General Electric Company P.L.C. |
Determining location of faults in power transmission lines
|
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
|
EP0098624B1
(de)
*
|
1982-06-23 |
1986-01-22 |
BBC Aktiengesellschaft Brown, Boveri & Cie. |
Verfahren zur Fehler- oder auch Fehlerrichtungsdetektion in elektrischen Leitungen und Ausführungsmittel hierzu
|
FR2540685A1
(fr)
*
|
1983-02-03 |
1984-08-10 |
Jeumont Schneider |
Interface pour relier un systeme informatique a un dispositif actionneur
|
US4723220A
(en)
*
|
1983-04-13 |
1988-02-02 |
Niagara Mohawk Power Corporation |
Apparatus for power measuring and calculating Fourier components of power line parameters
|
SE442920B
(sv)
*
|
1984-06-15 |
1986-02-03 |
Asea Ab |
Forfarande och anordning for detektering och lokalisering av ett felstelle pa en kraftledning
|
JPS61108976A
(ja)
*
|
1984-11-01 |
1986-05-27 |
Mitsubishi Electric Corp |
ガス絶縁母線の故障位置検出装置
|
JPS62142281A
(ja)
*
|
1985-12-16 |
1987-06-25 |
Fujitsu Ltd |
ケ−ブル遅延時間測定方法
|
DE3636367C2
(de)
*
|
1986-10-25 |
1995-07-13 |
Licentia Gmbh |
Verfahren und Vorrichtung zur Feststellung der Entfernung und der Richtung von Erdschlüssen in isolierten und kompensierten Starkstromnetzen
|
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
|
EP1642143B1
(en)
*
|
2003-06-25 |
2008-02-20 |
Nxp B.V. |
Method and circuit arrangement for the self-testing of a reference voltage in electronic components
|
CN105092999B
(zh)
|
2014-05-19 |
2017-12-12 |
罗克韦尔自动化技术公司 |
利用多个指示的电力质量事件定位
|
US9541586B2
(en)
|
2014-11-24 |
2017-01-10 |
Rockwell Automation Technologies, Inc. |
Capture of power quality information at the time a device fails
|
GB2576605B
(en)
*
|
2019-06-25 |
2020-08-19 |
Reactive Tech Limited |
System for determining electric parameters of an electric power grid
|
DK3757583T3
(da)
|
2019-06-25 |
2023-01-16 |
Reactive Tech Limited |
System til bestemmelse af elektriske parametre af et elektrisk forsyningsnet
|