2013•Electric SwitchgearRequires access

Analysis of Problem Existing in Tuning Method for Arc Suppression Coil in Small Current Neutral Grounding System

Jinlong Zhang

Abstract

when a small current grounding system occurs single-phase ground fault,the arc suppression coil can effectively limit the fault current grounding point,making the ground arc self-extinguishing.Based on in the the principle of distribution network of neutral resonant grounding in small current grounding system,advantages and disadvantages of the three compensation status-under compensation,full compensation,over compensation,and pointed out that:off tuning degree of arc suppression coil should be adjusted according to the change of the system running the way,in order to achieve a reasonable compensation effect.Also this thesis looked forward to the future development trend of arc suppression coil.

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Available abstract

Key concepts: Arc suppression, Ground, Electromagnetic coil, Compensation (psychology), Earthing system, Current (fluid), Arc (geometry), Limit (mathematics)