On Load Tap Changer

On Load Tap Changer (OLTC) is a device installed in power transformers that allows voltage regulation by changing transformer tap positions without interrupting the load supply. It maintains stable output voltage even during load variations.

• Voltage Regulation Under Load – No power interruption during tap change

• Automatic / Manual Operation – Flexible control options

• Wide Tap Range – Multiple voltage adjustment steps

• Motor-Driven Mechanism – Smooth and precise tap shifting

• Arc Quenching System – Safe switching operation

• High Reliability & Long Mechanical Life

• Remote Monitoring Capability (Optional)

• Improves Voltage Stability – Maintains constant output

• Suitable for Power & Distribution Transformers

• Low Maintenance & Durable Construction