Various Problems Encountered By High-voltage Disconnectors During Long-term Operation
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During the long-term operation of the hv isolator switch, water ingress into the mechanism housing and bearings is common, often leading to reduced insulation performance and malfunction within the high voltage electrical isolator. Due to poor sealing or improper drainage design in the isolator high voltage, rainwater and moisture can easily penetrate the mechanism housing, causing serious corrosion of metal components, including the housing, connecting rods, axle pins, and springs.
