Abstract
MOA (Metal Oxide Arrester) is widely used in power systems because of its good nonlinear volt-ampere characteristics and current-carrying capacity. Its long-term operation may have defects such as heat generation and reduced insulation performance. This paper analyzes a 220kV substation bus lightning arrester, collects fault recording information, points out the cause of the fault and puts forward corresponding preventive measures.
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More From: IOP Conference Series: Earth and Environmental Science
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