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.
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Voltage Regulation Under Load – No power interruption during tap change
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Automatic / Manual Operation – Flexible control options
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Wide Tap Range – Multiple voltage adjustment steps
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Motor-Driven Mechanism – Smooth and precise tap shifting
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Arc Quenching System – Safe switching operation
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High Reliability & Long Mechanical Life
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Remote Monitoring Capability (Optional)
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Improves Voltage Stability – Maintains constant output
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Suitable for Power & Distribution Transformers
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Low Maintenance & Durable Construction
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