Traveling-wave signal extraction equipment and system for single-phase earth fault

Traveling-wave signal extraction equipment and system for single-phase earth fault

The utility model discloses traveling-wave signal extraction equipment and system for a single-phase earth fault, and the equipment comprises three live display devices which are respectively connected to three high-voltage insulators of three-phase power. The equipment also comprises a resistor and...

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Hauptverfasser: WEI CHOUYUAN, HE ZHANYUAN, MENG FANHONG, HOU HONGHUA
Format: Patent
Sprache:chi ; eng
Schlagworte:
MEASURING
MEASURING ELECTRIC VARIABLES
MEASURING MAGNETIC VARIABLES
PHYSICS
TESTING
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creator WEI CHOUYUAN
HE ZHANYUAN
MENG FANHONG
HOU HONGHUA
description The utility model discloses traveling-wave signal extraction equipment and system for a single-phase earth fault, and the equipment comprises three live display devices which are respectively connected to three high-voltage insulators of three-phase power. The equipment also comprises a resistor and three capacitors. One end of each capacitor serves as one input end which is connected with one high-voltage insulator, and the other ends of the three capacitors are connected together and serve as an output end which is grounded through the resistor, so as to obtain a traveling wave signal of the single-phase earth fault at the output end under the condition of the single-phase earth fault. According to the utility model, the equipment can effectively extract the required traveling wave signal of the single-phase earth fault. Traveling-wave signal extraction equipment, which is disposed at the lower sides of the high-voltage insulators at main and standby supply ends of a circuit, can serve as traveling wave ext
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subjects MEASURING
MEASURING ELECTRIC VARIABLES
MEASURING MAGNETIC VARIABLES
PHYSICS
TESTING
title Traveling-wave signal extraction equipment and system for single-phase earth fault
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