FAQs – 1250 KVA Transformer
What is a 1250 kVA Distribution Transformer?
A 1250 kVA Distribution Transformer is a three-phase electrical device rated at 1250 kilovolt-amperes. It converts medium-voltage supply (like 11 kV, 22 kV, or 33 kV) to low-voltage supply (like 415 V) suitable for industrial, commercial, and large residential applications. It ensures stable voltage and protects equipment from fluctuations.
Where is a 1250 kVA Transformer typically used?
This transformer is used in large factories, industrial parks, shopping complexes, hospitals, multi-storey residential buildings, data centers, and utility substations where high-load, low-voltage distribution is needed.
What are the key features of a 1250 kVA Distribution Transformer?
Key features include high efficiency with low energy loss, robust copper or aluminium windings, oil-immersed or dry-type cooling, voltage regulation taps, three-phase operation, overload protection, and compliance with international standards like IEC 60076 and IS 2026.
How should a 1250 kVA Transformer be maintained?
Maintenance involves checking oil levels and quality (for oil-filled types), inspecting bushings and connections, monitoring temperature rise, cleaning dust and debris, performing insulation resistance tests, and avoiding overload to ensure long-term performance and safety.
What load can a 1250 kVA Transformer handle, and is overloading safe?
A 1250 kVA transformer can safely deliver approximately 1125 kW at 0.9 power factor. Continuous overloading can lead to overheating, higher losses, reduced lifespan, and potential failure. Operating within rated capacity is recommended for optimal performance and safety.
