KERALA UNIVERSITY Class 8 electrical machine design Question Paper 2019

Practice authentic previous year questions for better exam preparation.

Sample Questions

Derive the output equation of a single phase transformer.
(a) Starting from the basic derive the output equation of a 3 phase core type transformer.
(a) Derive the output equation a 3 phase squirrel cage induction motor.
Determine the number of turns on each commutating pole of 36 pole machine if the flux density in the air gap of the commutating pole is $0.5 \mathrm{~Wb} / \mathrm{m}^{2}$ at full load and the effective length of air gap is 4 mm . The full load curre...
(a) A 1250 kVA , three phase, $50 \mathrm{~Hz}, 3300 \mathrm{~V}, 300 \mathrm{rpm}$ synchronous generator with a concentric winding has the following design data: $\mathrm{B}_{\mathrm{av}}=0.58 \mathrm{~Wh} / \mathrm{m}^{2}$. $\mathrm{ac}=33000 \math...