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The arc light in the switch cabinet will cause serious damage to the equipment

AddTime:2020-07-07 10:11:02   Views:     【 Big Mid Small 】   Print   Close

The common arc light in daily life is the arc light produced during welding. We all know that if we do not wear protective glasses for a long time during welding, our eyes will be stimulated by the strong ultraviolet rays in the arc light. Arc light will also appear in the switch cabinet, but the harm of this kind of arc light is far greater than that of welding. Therefore, arc light protection device will be used in the switch cabinet to remove various faults in the switch cabinet.

In the last article, we talked about the harm of electric arc light generated in the switch cabinet to human body. The electric arc light will not only cause harm to the human body, but also cause harm to the electrical equipment in the cabinet. When the electric arc light occurs, a large amount of gas will be produced. The arc will cause the volume expansion of copper exhaust, and the air will expand due to high temperature; and the power generated by blasting will cause strong vibration in the disk and make the fixed components loose.

The high-temperature and high-temperature combustion of all the insulation materials in the switchgear will be caused by a large amount of carbon black and burning in the insulation section of the switchgear.

At the same time, due to the rigid connection of switch cabinet, compact structure and limited space, any cleaning work will be time-consuming and laborious. Not to mention the replacement of damaged equipment. More importantly, the power failure of the whole bus will bring incalculable economic losses to the whole plant. At the same time, it is almost impossible to restore the insulation of the equipment to its original level.

Seeing that the harm caused by electric arc light to the equipment is so great, we are extremely reluctant to see the loss in any aspect, so we should try to remove this kind of harm. The existing arc protection system is an effective solution to the internal fault protection of medium voltage switchgear. The smreap series arc protection developed by our company uses electric arc probe to monitor the arc signal and cooperate with over-current to judge the fault, which can effectively protect the switchgear.


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