Electrical Machines In synchronous generator, inverted V curve is drawn between field current on X-axis and armature current on Y-axis field current on X-axis and power factor on Y-axis field current on Y-axis and armature current on X-axis field current on Y-axis and power factor on X-axis field current on X-axis and armature current on Y-axis field current on X-axis and power factor on Y-axis field current on Y-axis and armature current on X-axis field current on Y-axis and power factor on X-axis ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 4 pole dc motor with armature winding resistance of 0.6 ohm receives a supply of 230 Volt. If the back emf produced during running condition is equal to 210 volt. Calculate the current flowing through the armature at this point. 29 Amp. 44.47 Amp. 33.33 Amp. 43 Amp. 29 Amp. 44.47 Amp. 33.33 Amp. 43 Amp. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a single phase induction motor, the starting torque developed is proportional to V² supply voltage V 1/V 1/V² V² supply voltage V 1/V 1/V² ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a DC series generator, the terminal voltage with increase in load will increase gradually and then stay at rated voltage increase to rated voltage and then may decrease remain nearly constant decrease increase gradually and then stay at rated voltage increase to rated voltage and then may decrease remain nearly constant decrease ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The power factor of an induction motor operating at no load will have a value around unity 0.2 lead 0.9 lag 0.2 lag unity 0.2 lead 0.9 lag 0.2 lag ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The no load and full load speed of DC motor are 1400 rpm and 1200 rpm respectively. What is the percentage speed regulation of the motor ? 14.28%. 16.67%. 15.30%. 18.25%. 14.28%. 16.67%. 15.30%. 18.25%. ANSWER DOWNLOAD EXAMIANS APP
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