Tap Changer — How Transformers Regulate Voltage
The tap changer is the mechanism that adjusts transformer voltage ratio. Learn the difference between OCTC and OLTC, operating principles, and voltage regulation ranges.
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Corona Discharge on HV Lines — Causes, Effects and Mitigation
Corona discharge is a localized electrical discharge on high-voltage conductors. Learn the causes, power losses, audible noise, radio interference, and mitigation methods.