PROTECTION METHOD OF AN ELECTRICAL DISTRIBUTION AND/OR TRANSMISSION NETWORK AGAINST SHORT-CIRCUITS

PROTECTION METHOD OF AN ELECTRICAL DISTRIBUTION AND/OR TRANSMISSION NETWORK AGAINST SHORT-CIRCUITS

The invention relates to a protection method of an electrical distribution and/or transmission network comprising three lines or phases and a neutral or ground line against short-circuits with current injection by at least one electric generator selected from a wind generator or a photovoltaic gener...

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Hauptverfasser: BORROY VICENTE, Samuel, VILLEN MARTINEZ, Mª Teresa, MARTINEZ CARRASCO, Eduardo
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
ELECTRICITY
EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
GENERATION
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creator BORROY VICENTE, Samuel
VILLEN MARTINEZ, Mª Teresa
MARTINEZ CARRASCO, Eduardo
description The invention relates to a protection method of an electrical distribution and/or transmission network comprising three lines or phases and a neutral or ground line against short-circuits with current injection by at least one electric generator selected from a wind generator or a photovoltaic generator, the method comprises the stages of: (a) detecting short-circuits for an initial classification of the short-circuit as line to ground, line to line and line-line to ground; (b) selecting the faulted phase or phases by means of a first selection criterion; (c) selecting the faulted phase or phases by means of a second selection criterion; and (d) a classification stage of the short-circuits; and wherein, in addition, the stage of selecting the faulted phase or phases are only valid for a period of time defined by a temporarily adaptive window.
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subjects CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
ELECTRICITY
EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
GENERATION
title PROTECTION METHOD OF AN ELECTRICAL DISTRIBUTION AND/OR TRANSMISSION NETWORK AGAINST SHORT-CIRCUITS
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