Oil-immersed single-phase step voltage regulator with on-load tap changer for maintaining feeder voltage within tolerance on MV distribution lines. Incorporates a microprocessor voltage-regulating controller with line-drop compensation and reverse-power detection. Deployed by utilities to correct voltage drop on long rural feeders and to stabilize supply for downstream loads.
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Power Systems
Voltage Regulator
| Voltage class | MV 12–36 kV |
|---|---|
| Rating | Single-phase, up to 3150 A; ±10% regulation in 32 steps; on-load tap changer; 50 Hz |
| Insulation / medium | Oil |
| Standards | IEC 60076-1, IEC 60214-1 |
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