MX143373A - Mejoras en aparato para detectar fallas a tierra - Google Patents

Mejoras en aparato para detectar fallas a tierra

Info

Publication number
MX143373A
MX143373A MX169348A MX16934877A MX143373A MX 143373 A MX143373 A MX 143373A MX 169348 A MX169348 A MX 169348A MX 16934877 A MX16934877 A MX 16934877A MX 143373 A MX143373 A MX 143373A
Authority
MX
Mexico
Prior art keywords
earth faults
detect earth
detect
faults
earth
Prior art date
Application number
MX169348A
Other languages
English (en)
Inventor
Billy E Teel
Samuel L Magruder
Original Assignee
Westinghouse Electric Corp
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 Westinghouse Electric Corp filed Critical Westinghouse Electric Corp
Publication of MX143373A publication Critical patent/MX143373A/es

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
    • H02H3/26—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
    • H02H3/28—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 two spaced portions of a single system, e.g. at opposite ends of one line, at input and output of apparatus
    • H02H3/286—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 two spaced portions of a single system, e.g. at opposite ends of one line, at input and output of apparatus involving comparison of similar homopolar quantities

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Emergency Protection Circuit Devices (AREA)
MX169348A 1976-06-09 1977-06-06 Mejoras en aparato para detectar fallas a tierra MX143373A (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/694,427 US4068275A (en) 1976-06-09 1976-06-09 Ground fault protective apparatus and method

Publications (1)

Publication Number Publication Date
MX143373A true MX143373A (es) 1981-04-27

Family

ID=24788782

Family Applications (1)

Application Number Title Priority Date Filing Date
MX169348A MX143373A (es) 1976-06-09 1977-06-06 Mejoras en aparato para detectar fallas a tierra

Country Status (14)

Country Link
US (1) US4068275A (es)
JP (1) JPS5810934B2 (es)
AR (1) AR210557A1 (es)
AU (1) AU513644B2 (es)
BE (1) BE855427A (es)
BR (1) BR7703652A (es)
CA (1) CA1063225A (es)
DE (1) DE2725485A1 (es)
ES (1) ES459567A1 (es)
FR (1) FR2354654A1 (es)
GB (1) GB1589604A (es)
IT (1) IT1080841B (es)
MX (1) MX143373A (es)
ZA (1) ZA772849B (es)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4110808A (en) * 1977-09-02 1978-08-29 General Electric Company Ground fault protection system for multiple source distribution networks
US4321645A (en) * 1980-02-26 1982-03-23 Sundstrand Corporation Differential fault current protection of a multiprocessor controlled electric power generating system
FR2700076B1 (fr) * 1992-12-28 1995-03-17 Merlin Gerin Déclencheur électronique comportant un dispositif de test.
WO1995007569A1 (en) * 1993-09-04 1995-03-16 Jin Kwang Corporation Power distribution line switching method and control system therefor
US5751524A (en) * 1997-03-10 1998-05-12 Square D Company Ground fault protection circuit for a multiple source system
JP3725468B2 (ja) * 2001-12-25 2005-12-14 三菱電機株式会社 多重直接接地系統における地絡継電システム
US7755872B2 (en) * 2006-09-14 2010-07-13 Schweitzer Engineering Laboratories, Inc. System, method and device to preserve protection communication active during a bypass operation
US7986500B2 (en) * 2007-12-06 2011-07-26 Honeywell International Inc. Ground fault detection in an ungrounded electrical system
US9018799B2 (en) 2012-05-24 2015-04-28 Hamilton Sundstrand Corporation Electrical power supply system having internal fault protection
FR3089340B1 (fr) * 2018-11-29 2020-10-30 Schneider Electric Ind Sas Transformateur de courant, dispositif de protection et disjoncteur électrique comportant un tel transformateur
CN112014772B (zh) * 2020-09-09 2022-04-08 南方电网数字电网研究院有限公司 断零故障检测方法、装置、存储介质和配电网关
CN112666490A (zh) * 2021-01-11 2021-04-16 国网安徽省电力有限公司淮北供电公司 一种快速检测直流系统多点接地故障的方法及装置
CN114429092B (zh) * 2022-04-06 2022-08-16 温州电力建设有限公司 一种基于数字孪生的继电保护设备数字化仿真系统

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US959787A (en) * 1908-07-22 1910-05-31 Lloyd Carlton Nicholson Circuit-controlling apparatus.
US2335103A (en) * 1941-07-15 1943-11-23 Roller Smith Company Electric distribution system
US3259802A (en) * 1963-06-03 1966-07-05 Gen Electric Ground fault responsive protective system for electric power distribution apparatus
US3558981A (en) * 1969-06-13 1971-01-26 Ite Imperial Corp Ground relay system for multiple substation protection
US3949272A (en) * 1974-11-19 1976-04-06 General Electric Company Ground-fault protective scheme for multiple-source electric distribution system

Also Published As

Publication number Publication date
ES459567A1 (es) 1978-10-01
US4068275A (en) 1978-01-10
IT1080841B (it) 1985-05-16
JPS52150532A (en) 1977-12-14
ZA772849B (en) 1978-04-26
AU2547577A (en) 1978-11-30
GB1589604A (en) 1981-05-13
AU513644B2 (en) 1980-12-11
DE2725485A1 (de) 1977-12-22
CA1063225A (en) 1979-09-25
BE855427A (fr) 1977-12-06
AR210557A1 (es) 1977-08-15
JPS5810934B2 (ja) 1983-02-28
BR7703652A (pt) 1978-05-23
FR2354654A1 (fr) 1978-01-06

Similar Documents

Publication Publication Date Title
NO146368C (no) Fremgangsmaate og anordning for aa innfoere en roerformet enhet i jorden
MX143562A (es) Mejoras en aparato para hacer embutidos
SE423295B (sv) Anordning vid en borstfri synkromgenerator
AR208060A1 (es) Equipo para instalar en un pozo un aparato de medicion
DK498377A (da) Immunolisk testmetode
SE7709853L (sv) Vermeatevinningsanordning
BR7706475A (pt) Aparelho para determinar diferencas de absorcao locais
MX143373A (es) Mejoras en aparato para detectar fallas a tierra
IT1091092B (it) Apparecchio per preparare e raccogliere filati da sottoporre a saggio
DD131839A5 (de) Instrument zum einbringen eines stoffes in die eileiter
MX144864A (es) Mejoras en dispositivo para probar monedas
AR220680A1 (es) Metodo para producir un polisacarido
IT1088958B (it) Apparecchio per nuoto monopinna a duplice effetto
DK457577A (da) Dyvel til forankring i et borehul
NO774261L (no) Koblingsanordning egnet for et apparat til sikring mot innbrudd
DD128765A5 (de) Einrichtung zum zerkleinern groesserer schlackestuecke
MX144362A (es) Mejoras en metodo y aparato para producir mediciones compensadas en un pozo de sondeo
AT352436B (de) Anordnung zum rueckstellen eines verschiebbaren elementes
BR7601576A (pt) Aperfeicoamento em dispositivo para soldagem a plasma-mig
DK149870C (da) Fremgangsmaade til koncentrationsmaaling i et medium
MX143552A (es) Mejoras en un indicador topometrico
AT347862B (de) Vorrichtung zum verbinden der umschnuerungs- mittelenden an umschnuerungsmaschinen
AR228420A1 (es) Bloque para su empleo en un conjunto estructural
IT1086505B (it) Apparato per spostare un lineale di riscontro
MX144695A (es) Mejoras en aparato criogenico