Self-heat-dissipation voltage parallel capacitor

Abstract

The invention relates to a self-heat-dissipation voltage parallel capacitor. The capacitor comprises a capacitor shell, a capacitor core set located inside the capacitor shell and a sealing cover, wherein a capacitor wax layer completely covering the capacitor core set is filled inside the capacitor shell, at least one self-heat-dissipation tube is arranged inside the capacitor shell, lower installing holes in one-to-one correspondence with the self-heat-dissipation tubes are formed in the bottom of the capacitor shell, and the lower installing holes are communicated with inner cavities of theself-heat-dissipation tubes; and the surface of the sealing cover is provided with upper installing holes in one-to-one correspondence with the self-heat-dissipation tubes, and the upper installing holes are communicated with the inner cavities of the self-heat-dissipation tubes. According to the self-heat-dissipation voltage parallel capacitor, heat inside the capacitor can dissipate by itself even in a windless environment, and the heat dissipation effect is good. Therefore, the service life of the capacitor is effectively prolonged, the probability that the capacitor is burnt out is remarkably lowered, the implementation effect is good, and application value is high.

Description

technical field [0001] The invention relates to a self-radiating pressure-parallel capacitor, which belongs to the technical field of capacitors. Background technique [0002] Parallel capacitors, formerly known as phase shift capacitors. It is mainly used to compensate the reactive power of the inductive load in the power system to improve the power factor, improve the voltage quality and reduce the line loss. Installing shunt capacitors in substations is an effective measure to improve voltage quality and reduce power loss. Most of the electrical loads in the grid, such as motors and transformers, are inductive loads, and corresponding reactive power must be provided to these devices during operation. After installing reactive power compensation equipment such as shunt capacitors in the grid, it can provide reactive power consumed by inductive loads, reducing the reactive power provided by the grid power supply to the inductive load and transmitted by the line, due to th...

AI Technical Summary

Problems solved by technology

Since the capacitor core group is composed of multiple capacitor cores arranged in parallel, due to the limited thermal conductivity of the capacitor wax, a large amount of heat will be generated when multiple capacitor cores work together, and the heat dissipation area of ​​the capacitor core group is limited. During the working process, the service life of the capacitor is reduced due to the rapid aging process, and the capacitor is easily burned due to overheating.

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