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Explosion-proof power capacitor capable of actively cutting off power supply

A power capacitor and power cut-off technology, applied in capacitors, fixed capacitor casings/packages, fixed capacitor components, etc., can solve problems such as inability to actively cut off power, avoid secondary disasters, avoid gas deflagration, and achieve air pressure balance Effect

Pending Publication Date: 2020-07-14
陈玉成
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0018] The object of the present invention is to provide an explosion-proof power capacitor that actively cuts off the power supply, so as to solve the problem that the power supply cannot be cut off actively and the explosion-proof problem proposed in the above-mentioned background technology

Method used

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  • Explosion-proof power capacitor capable of actively cutting off power supply
  • Explosion-proof power capacitor capable of actively cutting off power supply
  • Explosion-proof power capacitor capable of actively cutting off power supply

Examples

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Embodiment Construction

[0054] Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, the same numerals in different drawings refer to the same or similar elements unless otherwise indicated. The implementations described in the following exemplary examples do not represent all implementations consistent with the present disclosure. Rather, they are merely examples of apparatuses and methods consistent with aspects of the presently disclosed embodiments as recited in the appended claims.

[0055] see Figure 1-5 , 16-18, in the embodiment of the present invention, an explosion-proof power capacitor that actively cuts off the power supply includes a casing 1 and a cover plate 2, the casing 1 is provided with a capacitor core, and also includes: a temperature insurance 6 and a gas seal, several of the temperature insurances 6 are connected in series with the ...

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Abstract

The invention belongs to the field of power capacitors and power electronic capacitors below 1000VAC and relates to an explosion-proof power capacitor capable of actively cutting off a power supply. The capacitor comprises a shell and a cover plate; a capacitor core is arranged in the shell, the capacitor further comprises a plurality of temperature fuses and an air sealing piece; the temperaturefuses are connected with the capacitor core in series; a ground wire binding post is arranged on the cover plate; the air sealing piece is arranged on the ground wire binding post; the air sealing piece is used for balancing air pressure inside and outside the shell. When the power capacitor is damaged due to certain factors, with the temperature fuse and the air sealing piece adopted, the power supply can be cut off in time and gas generated by dielectric breakdown in the shell can be discharged in time, gas detonation is avoided, the balance of air pressure inside and outside the shell is achieved, and secondary disasters are avoided.

Description

technical field [0001] The invention relates to the fields of power capacitors below 1000 VAC and power electronic capacitors, in particular to an explosion-proof power capacitor that cuts off the power supply actively. Background technique [0002] With the rapid development of modern industry, reactive power is very important to the operation of power supply system and load during the operation of power system. The impedance of power system network components is mainly inductive, and most network components consume reactive power. Most loads also consume reactive power, and the reactive power they need must be obtained from somewhere in the network. A reasonable method should be to generate reactive power where reactive power needs to be consumed, power capacitors and power electronic capacitors In the power supply system, it plays the role of improving the power factor of the power grid, reducing the loss of power supply transformers and transmission lines, improving powe...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01G2/18H01G4/224
CPCH01G4/224H01G2/18
Inventor 陈玉成
Owner 陈玉成
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