SE442694B - Sett att overvaka elektriska ledningar mot kortslutningar samt anordning for utforande av nemnda sett - Google Patents

Sett att overvaka elektriska ledningar mot kortslutningar samt anordning for utforande av nemnda sett

Info

Publication number
SE442694B
SE442694B SE7811244A SE7811244A SE442694B SE 442694 B SE442694 B SE 442694B SE 7811244 A SE7811244 A SE 7811244A SE 7811244 A SE7811244 A SE 7811244A SE 442694 B SE442694 B SE 442694B
Authority
SE
Sweden
Prior art keywords
monitoring
signals
signal
detection
sequence
Prior art date
Application number
SE7811244A
Other languages
English (en)
Swedish (sv)
Other versions
SE7811244L (sv
Inventor
Mesmaeker I De
Original Assignee
Bbc Brown Boveri & Cie
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 Bbc Brown Boveri & Cie filed Critical Bbc Brown Boveri & Cie
Publication of SE7811244L publication Critical patent/SE7811244L/xx
Publication of SE442694B publication Critical patent/SE442694B/sv

Links

Classifications

    • 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
    • H02H3/38—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 both voltage and current; responsive to phase angle between voltage and current
    • H02H3/382—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 both voltage and current; responsive to phase angle between voltage and current involving phase comparison between current and voltage or between values derived from current and voltage

Landscapes

  • Emergency Protection Circuit Devices (AREA)
  • Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
  • Locating Faults (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
SE7811244A 1977-10-31 1978-10-30 Sett att overvaka elektriska ledningar mot kortslutningar samt anordning for utforande av nemnda sett SE442694B (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1319677A CH623964A5 (de) 1977-10-31 1977-10-31

Publications (2)

Publication Number Publication Date
SE7811244L SE7811244L (sv) 1979-05-01
SE442694B true SE442694B (sv) 1986-01-20

Family

ID=4390230

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7811244A SE442694B (sv) 1977-10-31 1978-10-30 Sett att overvaka elektriska ledningar mot kortslutningar samt anordning for utforande av nemnda sett

Country Status (12)

Country Link
US (1) US4237511A (de)
AT (1) AT365869B (de)
BE (1) BE871646R (de)
BR (1) BR7807152A (de)
CH (1) CH623964A5 (de)
DE (1) DE2753969C2 (de)
DK (1) DK482778A (de)
FR (1) FR2407594A2 (de)
GB (1) GB2010610B (de)
IT (1) IT1160014B (de)
NL (1) NL7810771A (de)
SE (1) SE442694B (de)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1588532C3 (de) * 1966-04-11 1975-03-06 Meidensha Electric Mfg. Co. Ltd. Distanzrelais
DE2064679C3 (de) * 1970-12-31 1973-11-29 Hartmann & Braun Ag, 6000 Frankfurt Elektronische Distanzmeßschaltung
US3731152A (en) * 1972-05-25 1973-05-01 Westinghouse Electric Corp Impedance distance relay
GB1570491A (en) * 1975-11-14 1980-07-02 Gen Electric Co Ltd Protective relay arrangements

Also Published As

Publication number Publication date
GB2010610B (en) 1982-08-18
CH623964A5 (de) 1981-06-30
DE2753969A1 (de) 1979-05-03
BE871646R (fr) 1979-02-15
DE2753969C2 (de) 1984-03-15
NL7810771A (nl) 1979-05-02
DK482778A (da) 1979-05-01
AT365869B (de) 1982-02-25
BR7807152A (pt) 1979-07-17
US4237511A (en) 1980-12-02
IT1160014B (it) 1987-03-04
ATA734978A (de) 1981-06-15
GB2010610A (en) 1979-06-27
FR2407594A2 (fr) 1979-05-25
IT7829124A0 (it) 1978-10-26
SE7811244L (sv) 1979-05-01

Similar Documents

Publication Publication Date Title
SE409266B (sv) Releskydd med fasvis sperrfunktion
SE421355B (sv) Digital databehandlingsanordning speciellt for jernvegssekerhetssystem
SE443478B (sv) Sett och anordningar for att overvaka kortslutningen hos elektriska ledningar
SE440166B (sv) Anordning for att overvaka kortslutningar hos elektriska ledningar
US3441745A (en) Apparatus for frequency and phase comparison of two periodic signals
SE442694B (sv) Sett att overvaka elektriska ledningar mot kortslutningar samt anordning for utforande av nemnda sett
Kumar et al. A microprocessor-based DC drive control scheme using predictive synchronization
US3343095A (en) Edward j. brenner
US11735907B2 (en) Traveling wave overcurrent protection for electric power delivery systems
SU547902A1 (ru) Устройство дл блокировки защит при нарушени х цепей напр жени
SU1042172A1 (ru) Устройство дл обнаружени нарушений в чередовании импульсов
SU1578839A1 (ru) Устройство дл контрол посылки вызова
SU811395A1 (ru) Устройство дл защиты и контрол ТиРиСТОРНОгО пРЕОбРАзОВАТЕл
SU1494095A1 (ru) Устройство дл токовой защиты трехфазной электроустановки
RU2001484C1 (ru) Устройство дл определени поврежденной фазы при утечке тока на землю в трехфазной сети с изолированной нейтралью
SU1042123A1 (ru) Устройство дл защиты от однофазного замыкани на землю в электрической сети переменного тока (его варианты)
SU943959A1 (ru) Устройство дл обнаружени поврежденной фазы при утечке тока на землю в трехфазной сети переменного тока
SU421937A1 (de)
SU1300594A1 (ru) Устройство дл определени поврежденной фазы при утечке тока на землю в трехфазной сети с изолированной нейтралью
SU936173A1 (ru) Устройство дл контрол чередовани фаз трехфазной сети
SU843250A1 (ru) Релейный счетчик
SU729733A1 (ru) Устройство дл защиты преобразовател от пропусков импульсов в цеп х формировани управл ющих сигналов
SU1720122A1 (ru) Реле направлени мощности
SU1095333A1 (ru) Способ контрол исправности системы управлени тиристорного преобразовател
SU1029326A1 (ru) Устройство дл автоматического прекращени асинхронного хода в энергосистеме на первом цикле

Legal Events

Date Code Title Description
NUG Patent has lapsed

Ref document number: 7811244-8

Effective date: 19880627

Format of ref document f/p: F