MXPA03003416A - Sistema de proteccion diferencial de linea para una linea de transmision de energia. - Google Patents

Sistema de proteccion diferencial de linea para una linea de transmision de energia.

Info

Publication number
MXPA03003416A
MXPA03003416A MXPA03003416A MXPA03003416A MXPA03003416A MX PA03003416 A MXPA03003416 A MX PA03003416A MX PA03003416 A MXPA03003416 A MX PA03003416A MX PA03003416 A MXPA03003416 A MX PA03003416A MX PA03003416 A MXPA03003416 A MX PA03003416A
Authority
MX
Mexico
Prior art keywords
values
current
ratio
line
current values
Prior art date
Application number
MXPA03003416A
Other languages
English (en)
Inventor
Demetrios Tziouvaras
Original Assignee
Schweitzer Engineering Lab Inc
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 Schweitzer Engineering Lab Inc filed Critical Schweitzer Engineering Lab Inc
Publication of MXPA03003416A publication Critical patent/MXPA03003416A/es

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R29/00—Arrangements for measuring or indicating electric quantities not covered by groups G01R19/00 - G01R27/00
    • G01R29/16—Measuring asymmetry of polyphase networks
    • 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
    • H02H3/30—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 using pilot wires or other signalling channel
    • 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
    • H02H3/30—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 using pilot wires or other signalling channel
    • H02H3/307—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 using pilot wires or other signalling channel involving comparison of quantities derived from a plurality of phases, e.g. homopolar quantities; using mixing transformers

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)

Abstract

En un sistema de proteccion diferencial de corriente de linea de energia, los tres valores de corriente de fase (IA, IB, e IC) son obtenidos del extremo local y del extremo remoto de una linea de transmision de energia (12). Se calcula la magnitud de la proporcion de los valores de corriente remota a los valores de corriente local. Tambien, se calcula la diferencia de angulo entre los valores de corriente local y remota para cada fase. Los elementos de comparacion (40, 42) entonces comparan la proporcion y los valores de angulo contra los valores preseleccionados, con lo cual se establece una region de restriccion en el plano de proporcion de corriente. Los valores de corriente que dan como resultado que la proporcion este dentro de la region no originan una desconexion de senal para el disyuntor en la linea de transmision de energia (12), mientras que los valores de corriente que dan como resultado una proporcion fuera de la region originan una desconexion del disyuntor. Conjuntos de circuitos similares se utilizan para cantidades de corriente de secuencia negativa, con los valores preseleccionados de secuencia negativa que son ajustados sustancialmente inferiores para producir una respuesta mas sensible a posibles fallas en la linea.
MXPA03003416A 2000-10-19 2001-10-15 Sistema de proteccion diferencial de linea para una linea de transmision de energia. MXPA03003416A (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/693,669 US6518767B1 (en) 2000-10-19 2000-10-19 Line differential protection system for a power transmission line
PCT/US2001/032261 WO2002033426A1 (en) 2000-10-19 2001-10-15 Line differential protection system for a power transmission line

Publications (1)

Publication Number Publication Date
MXPA03003416A true MXPA03003416A (es) 2004-05-04

Family

ID=24785616

Family Applications (1)

Application Number Title Priority Date Filing Date
MXPA03003416A MXPA03003416A (es) 2000-10-19 2001-10-15 Sistema de proteccion diferencial de linea para una linea de transmision de energia.

Country Status (11)

Country Link
US (1) US6518767B1 (es)
EP (1) EP1327153A1 (es)
KR (1) KR100840478B1 (es)
CN (1) CN1225070C (es)
AU (2) AU1536502A (es)
BR (1) BRPI0114791B1 (es)
CA (1) CA2425942C (es)
MX (1) MXPA03003416A (es)
NZ (1) NZ525831A (es)
WO (1) WO2002033426A1 (es)
ZA (1) ZA200302956B (es)

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Also Published As

Publication number Publication date
CN1481506A (zh) 2004-03-10
US6518767B1 (en) 2003-02-11
KR20030040553A (ko) 2003-05-22
KR100840478B1 (ko) 2008-06-20
WO2002033426A9 (en) 2003-12-11
NZ525831A (en) 2004-06-25
BRPI0114791B1 (pt) 2015-07-14
AU2002215365B2 (en) 2005-08-18
ZA200302956B (en) 2005-07-27
EP1327153A1 (en) 2003-07-16
BR0114791A (pt) 2003-08-12
CN1225070C (zh) 2005-10-26
CA2425942C (en) 2009-04-14
WO2002033426A1 (en) 2002-04-25
CA2425942A1 (en) 2002-04-25
AU1536502A (en) 2002-04-29

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