AY-ZGXH series main transformer neutral grounding arc suppression coil

The arc suppression coil is usually connected between the neutral point of the grounding transformer and the ground, and is a neutral point grounding reactor with adjustable reactance. Suitable for 10-66kV power systems.

When a single-phase grounding fault occurs in a three-phase power system, the arc suppression coil generates inductive current to offset the capacitive current generated by the line to ground capacitance, thereby eliminating the arc caused by the presence of capacitive current at the fault point, avoiding the expansion of the fault range, and improving the operational reliability of the power system.

This product adopts advanced transformer design technology, process technology, as well as advanced production and testing equipment for design, production, and inspection. The product has the advantages of high insulation strength, small partial discharge, high structural strength, energy saving, small size, light weight, moisture resistance, flame retardancy, low noise, and high reliability. The product is widely used in power transmission and transformation systems, electrified railways, metallurgy, and other fields, especially in urban and underground substations with limited installation space and special fire prevention requirements.