Tap Changer Range
Common configurations: ±2×2.5% · ±5×2% · ±10×1.25%
V
%
steps
steps
DETC vs OLTC Comparison
| Feature | DETC | OLTC |
|---|---|---|
| Switching | Off-load | On-load |
| Typical Taps | ±2×2.5% | ±8–10×1.25% |
| Range | ±5% | ±10–12.5% |
| Application | Distribution | Power / Substation |