Karnataka State Open University (KSOU) 2011 B.Tech Electrical Engineering- Electrical Machines-I - Question Paper

i Ml Aifpgje phase transformer has 1000 turns on? primary and 500 secondary * turns. The net cross sectiorfal area of the core is 0.006 m². If the primary -_: finding is connected to a 50 Hz supply at 400 volts. Calculate the

13)    Explain with neat diagram, construction and working principle of DC Motor.

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14)    Derive the Torque equation of DC Motor.

15)    fixplain the type of Maintenance.

16)    How to conduct in Swinburnes test in DC Machine ?

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