High-voltage current-limited thermal element for protecting voltage transformer

High-voltage current-limited thermal element for protecting voltage transformer

The utility model relates to a high-voltage current-limited thermal element for protecting a voltage transformer, which comprises a fuse tube, wherein, a porcelain knob is arranged in the fuse tube; fuse elements are wound around the porcelain knob and regularly spaced; press caps which are arranged...

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Hauptverfasser: PING LI, MINYING GAO, XIAOYU BU
Format: Patent
Sprache:eng
Schlagworte:
BASIC ELECTRIC ELEMENTS
ELECTRIC SWITCHES
ELECTRICITY
EMERGENCY PROTECTIVE DEVICES
RELAYS
SELECTORS
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creator PING LI
MINYING GAO
XIAOYU BU
description The utility model relates to a high-voltage current-limited thermal element for protecting a voltage transformer, which comprises a fuse tube, wherein, a porcelain knob is arranged in the fuse tube; fuse elements are wound around the porcelain knob and regularly spaced; press caps which are arranged at both ends of the fuse tube are filled with quartzite. The utility model has the advantages of small size, light weight, stable time-current characteristic, significant current limitation characteristic, low temperature rising, and small power consumption.
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subjects BASIC ELECTRIC ELEMENTS
ELECTRIC SWITCHES
ELECTRICITY
EMERGENCY PROTECTIVE DEVICES
RELAYS
SELECTORS
title High-voltage current-limited thermal element for protecting voltage transformer
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