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Contents- General background and recent advances, Construction, materials and production sequence of distribution transformers and large power transformers, EMF equation, voltage ratio and kVA ratings, Specification and ratings, Phasor diagrams and equivalent circuit diagrams, Impedance voltage and voltage regulation, Core losses, copper losses, efficiency and all day efficiency, Magnetic circuit and materials for laminationsm, types of cores, Transformer tanks and cooling systems, Audible noise and noise reduction, Types of windings for distribution transformers and large transformers, Insulation system, bushings shielded windings and transient voltage distribution, Transformer oil, Testing of transformers, Partial discharges and their location, Polarity, three-phase connections, Parallel operations of transformers, Tap-changer and voltage control, Loading of power transformers, Ordering, transportation, installation and site testing, Filtering of oil, filling of oil and drying-out, Maintenance of power transformers, Protection and fitments, Power transformers in substations and generating stations, Surge arrester protection, Neutral grounding, arc-suppression coil, third harmonic current flow and tertiary, Auto-Transformers, Neutral grounding transformers, Shunt reactors and series reactors, Distribution transformers, Current transformer (CTs),Voltage Transformers, Other special transformers.
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