"Faults of catenary isolating switches" are common failures in current traction power supply operations. These faults frequently result from mechanical failures of the switch itself, control circuit malfunctions, or remote control function failures, leading to refusal-to-operate or unintended operation of the isolating switch. Therefore, this paper discusses common faults of catenary isolating switches during current operations and the corresponding handling methods after fault occurrence.1.Comm
11/10/2025
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