Method and device for quick backup protection of high-voltage side of main transformer based on station region information

Method and device for quick backup protection of high-voltage side of main transformer based on station region information

The invention relates to a method and device for the quick backup protection of a high-voltage side of a main transformer based on station region information. The method comprises the steps: judging an action element and a locking element; carrying out the quick backup protection of a rear high-volt...

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Hauptverfasser: WU SHUILAN, ZHU RUOSONG, XU YUNLONG, YOU JIANJUN, LIU YANG, LIU XING, MENG LE
Format: Patent
Sprache:eng
Schlagworte:
CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
ELECTRICITY
EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
GENERATION
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creator WU SHUILAN
ZHU RUOSONG
XU YUNLONG
YOU JIANJUN
LIU YANG
LIU XING
MENG LE
description The invention relates to a method and device for the quick backup protection of a high-voltage side of a main transformer based on station region information. The method comprises the steps: judging an action element and a locking element; carrying out the quick backup protection of a rear high-voltage side through a time-delay element under the condition that the action element is started and the locking element is not started. The action element comprises a repressing element and/or an overcurrent element at the high-voltage side of the main transformer. The locking element comprises a locking signal at a low-voltage side or a medium-voltage side. The device comprises the action element and the locking element.
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subjects CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
ELECTRICITY
EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
GENERATION
title Method and device for quick backup protection of high-voltage side of main transformer based on station region information
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