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Power Tranformer |
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Specifications
- 3 phase, 50 Hz in voltages of 11kV, 22kV, 33kV, 66 kV & 110 kV
- Off-circuit tap changer to provide ± 5 %, ± 7.5% & +5% to -10% taps in steps of 2.5%
- On load tap changer to provide +5% to -15% taps in steps of 1.25% as standard range & also custom built for any other ranges. OLTC will be internally/externally mounted as per the requirement
- Class A, uniform/non-uniform insulated
- Vector group Dyn 11, YNd 11, YNyn 0
- Continuous duty, double copper wound
- Painting as per IS/IEC standards
- Both HV & LV side outdoor bushings or cable boxes
- Cooling radiators/fans
- Standard fittings as per IS/IEC standards
- Buchholz relay with alarm and trip contact with shut off valves
- Oil temperature indicator with alarm and trip contact
- Winding temperature indicator with alarm and trip contact
- Magnetic oil level gauge with alarm contact
- Marshalling box to house oil temperature indicator and winding temperature indicator
- Cooler control unit
- Neutral current transformer
Features
- Design conforms to relevant standards
- Low power loss and low noise
- Designed to withstand electrical impulses and thermal and dynamic stresses
- Optimum utilization of active materials for compactness
- Modern manufacturing techniques ensure cost effectiveness and reliability
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Assigned Keywords |
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Assigned Categories |
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Generator Sets and Spares
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