Neutral Resistor Cabinet

Model NO.: VLBJ Trademark: VILLE INDUSTRY Origin: Ningbo China Resistance: Variable Resistor Specification: IEC standard HS Code: 8 Distribution system neutral grounding methods are usually ungrounded, resistance grounded neutral point and neutral point arc suppression coil grounding. Variety of different grounding, using different ways. With the development of the national economy, many cities have changed over the past distribution network overhead lines mainly to the situation, but in the main cable line, at the same time, some new equipment, such as compact enclosed SF6 switchgear, XLPE cables and zinc oxide surge arresters and other applications more widely, which makes non-effective grounding originally adopted some do not apply. Therefore, how the economy is set to become the focus of the current neutral grounding power work.
At present, China has a lot of Power Distribution network using a neutral point resistance grounding runs. After installing the neutral grounding resistor cabinet, when the occurrence of non-metallic grounded affected ground resistance, and the current flowing through the ground than the neutral point earthed metallic significantly reduced, while the sound phase voltage rises too significantly reduced, zero- sequence voltage value is about half of the single-phase metallic grounded. Thus, the use of resistance grounded neutral point, single-phase ground can be reduced when transient over-voltage and over-voltage arc grounding eliminate some resonance over-voltage, and can use a simple protection devices quickly select the fault line, cut point of failure.

WE has developed excellent technical team and sophisticated equipment, specializing in the development and distribution system neutral grounding series of products, production, sales and service work. Development and production of neutral grounding resistor cabinet for 6 ~ 35kV cable lines to the city -based distribution network, a large industrial enterprises, factories, airports, ports, subways and other major electricity distribution network users, as well as coal enterprises 0.66KV, power Plant electricity 0.4KV, 6KV, 10KV system

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