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Why Is Arc Suppression Coil Called Arc Suppression Coil?

Why is arc suppression coil called arc suppression coil?Why is arc suppression coil called arc suppression coil? If you want to know why you call it so, let's talk slowly for you.The reason why it is called this name is that we first look at the word "coil". It is an inductive coil with iron core, which is applied in the neutral grounding system. The power system transmission line is grounded through arc suppression coil, which is a kind of small current grounding system, so it is called "coil".

Why Is Arc Suppression Coil Called Arc Suppression Coil? 1

Arc suppression coil is so called because it can play the role of "arc suppression". Its arc suppression principle is that when the line is short circuited and grounded and the current is more than 30a, the voltage generated by the discharge gap will increase by 2.5-3 times the line voltage. When the arc suppression device is installed at the neutral point of the transformer, the voltage at the discharge can not increase under the damping effect of the inductance coil, so as to reduce the discharge current and reduce the current, It also plays the role of arc suppression. When the magnitude of the two currents is less than the minimum current of the arc, the arc will not occur and there will be no resonance overvoltage. According to the regulations of overvoltage protection and insulation coordination of AC electrical devices issued by the former Ministry of electric power industry, when the single-phase grounding fault capacitance current of 3-66KV system exceeds 10a, the grounding mode of arc suppression device shall be adopted.

It is mainly used in power supply industry, power plants, metallurgy, mining, coal, papermaking, petrochemical and other large factories and mining enterprises. The applicable voltage level is 6 66kV. It is an ideal replacement product for old arc suppression coils. At the same time, it is also the preferred supporting product for grounding compensation and line selection devices of new substations.In fact, why is it called arc suppression coil? As the name suggests, it is an inductive coil to effectively prevent arc grounding of power system, eliminate grounding fault and improve power supply quality.Complete set of automatic tracking compensation device for arc suppression coil

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