High-voltage fuse for power transmission and transformation in oil field
Patent Information
- Authority / Receiving Office
- CN ยท China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- WENZHOU YIKUN ELECTRIC
- Publication Date
- 2021-04-30
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Abstract
Description
technical field
[0001] The invention relates to a fuse, in particular to a high-voltage fuse used for power transmission and transformation in oil fields. Background technique
[0002] The high-voltage fuse is the simplest short-circuit protection device, and the fuse tube is filled with fine quartz sand for arc extinguishing. The fuse is a metal wire or sheet made of a metal material with a low melting point, which is connected in series in the circuit to be protected. When the circuit or equipment in the circuit is overloaded or fails, the high-voltage fuse fuse will heat up and melt, thereby cutting off the fuse. circuit, breaking current, to achieve the purpose of protecting the circuit or equipment.
[0003] High-voltage fuses are widely used in high-voltage and low-voltage power distribution systems, control systems, and electrical equipment. As short-circuit and over-current protectors, they are one of the most commonly used protection devices.
[0004] Existing hig...