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May I ask the experts: what is the recommended annual inspection cycle for 10KV high-voltage equipment such as transformers and vacuum switches?
Transformers require major overhauls every 5–10 years, with inspections conducted annually. Circuit breakers: major maintenance every 3–5 years, with inspections conducted annually. Isolating switch: overhauled every 5-10 years, inspected annually. Indoor busbars, inspected once a year. Low-voltage distribution equipment: to be inspected daily. Cables, weekly inspection. Capacitor, monthly inspection. :)