A GAS INSULATED SURGE ARRESTER AND A GAS INSULATED SURGE ARRESTER MONITORING SYSTEM
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United States of America Patent
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Issued Date -
Oct 12, 2023
app pub date -
Aug 25, 2020
filing date -
Aug 25, 2020
priority date (Note) -
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status (Latency Note)
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Abstract
A gas insulated surge arrester is disclosed, including a metal clad housing within which a block stack is arranged. The block stack includes at least one metal-oxide resistor column and the gas insulated surge arrester is characterized by a capacitive element arranged to obtain an electric field measurement of the gas insulated surge arrester; and by a bushing arranged through the metal clad housing and arranged to the provide a capacitive third-order harmonic current measurement to an input of a surge arrester monitoring device. A monitoring system is also provided, including a gas insulated surge arrester connected to a surge arrester monitoring device.
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