

Output equations – choice of Electrical and Magnetic Loading – Design of salient pole machines – Short circuit ratio – shape of pole face – Armature design – Armature parameters – Estimation of air Polyphase machines- Magnetizing current - Short circuit current – Operating characteristics- Losses Output equation of Induction motor – Main dimensions – Choice of Average flux density – Length ofĪir gap- Rules for selecting rotor slots of squirrel cage machines – Design of rotor bars & slots – Design of end rings – Design of wound rotor – Magnetic leakage calculations – Leakage reactance of Output Equations – Main Dimensions - kVA output for single and three phase transformers – Window space factor – Design of core and winding – Overall dimensions – Operating characteristics – No load current – Temperature rise in Transformers – Design of Tank - Methods of cooling of Transformers.

Performance prediction using design values. Output Equations – Main Dimensions – Choice of Specific Electric and Magnetic Loading - Maganetic Circuits Calculations - Carter’s Coefficient - Net length of Iron –Real & Apparent flux densities – Selection of number of poles – Design of Armature – Design of commutator and brushes –

Major considerations in Electrical Machine Design - Electrical Engineering Materials – Space factor – Choice of Specific Electrical and Magnetic loadings - Thermal considerations - Heat flow – Temperature rise and Insulating Materials - Rating of machines – Standard specifications. To design stator and rotor of synchronous machines and study their thermal behaviour. To design stator and rotor of induction machines. To design core, yoke, windings and cooling systems of transformers.

To design armature and field systems for D.C. To study mmf calculation and thermal rating of various types of electrical machines. EE6604 DESIGN OF ELECTRICAL MACHINES - SYLLABUS - R- 2013 OBJECTIVES:
