OLTC Maintenance in Korea: Inspection, Diverter Switch Overhaul and Tap Adjustment
On-load tap changer (OLTC) maintenance in Korea means lifting out the diverter switch to inspect it and its oil compartment, overhauling its parts and adjusting the taps to restore performance and prevent faults. The OLTC is the only part of a transformer that operates mechanically under load, so contact wear and arcing build up, and … 더 읽기