Distribution OLTC Transformer
A distribution transformer or service transformer is a transformer that provides the final voltage transformation in the electric power distribution system, stepping down the voltage used in the distribution lines to the level used by the customer.
Features:
- Designed for 25 years of trouble-free performance
- Design conforms to IS 2026, BS 171, IEC 76 and other relevant standards
- Low power loss and low noise
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Designed to withstand electrical impulses, thermal and dynamic stresses
- Optimum utilization of active materials for compactness
- HIGH PERFORMANCE WITH LIFE EXTENSION AND LOADING FLEXIBILITY
- Modern manufacturing techniques ensure cost effectiveness and reliability
Specifications:
- 3 phase, SO Hz in voltages of 11 kV, 22kV and 33kV
- Off-circuit tap changer to provide +5% to -10%_& + 5% taps in steps of 2.5% as standard range
- On-load tap changer to provide +7% to -21 % taps in steps of 1.75% & +5% to -15% taps in steps of 1.25% as standard range & also custom built for any range
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Class A insulated
- Vector group Dyn 11
- Continuous duty
- Copper wound/Aluminum wound
Optional accessories:
- Pressure relief valve without contact/with contact
- Buchholz relay with alarm and trip contact
- Oil temperature indicator with alarm and trip contact
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Winding temperature indicator with alarm and trip contact
- Optimum utilization of active materials for compactness
- Marshalling box to house oil temperature indicator and winding temperature indicator
- Neutral current transformer
