7EX4-UTILIZATION OF ELECTRICAL POWER |
Units: I |
(i)Electric Heating: Different methods of electric heating. Principle of high
frequency induction and di-electric heating. Construction, operation, performance and
applicationsof arc furnace and induction furnace. (ii) Electric Welding: Welding
process, welding transformer, Classification of Electric Welding: arc welding, resistance
welding, welding of various metals.
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Units: II |
Illuminations: Definitions, laws of illuminations, polar curves, luminous
efficiency, photometer, incandescent lamps: filament materials, halogen lamp. electric
discharge lamps: sodium vapour lamp mercury vapour lamp and fluorescent lamp. Light
Calculations: commercial, industrial, street and flood lighting. |
Units: III |
Electrolytic Process: Principles and applications of electrolysis, electrodeposition,
manufactures of chemicals, anodizing, electro polishing electro-cleaning,
electroextraction, electrorefinig, electro-stripping (parting) power supplies for electrolytic
process.
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Units: IV |
Electric Traction & Means of Supplying Power: Systems of Electric Traction: DC & AC Systems, Power Supply for Electric Traction System: Comparison and
application of different systems. Sub-station equipment and layout, conductor rail &
pantograph.
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Units: V |
Traction Methods: Types of services, speed time and speed distance curves,
estimation of power and energy requirements, Mechanics of train movement. Co-efficient
of adhesion, Adhesive weight, effective weight. Traction Motor Controls: DC and AC
traction motors, Series parallel starting. Methods of electric braking of traction motors.
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