Electrical Machines In an alternator the voltage generated per phase is proportional to flux per pole. All of these frequency of waveform. number of turns in coil. flux per pole. All of these frequency of waveform. number of turns in coil. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Armature reaction in a DC machine is in direct opposition to the main poles. is in the same direction as the main poles. makes an angle with the main pole axis which is load dependent. makes an angle of 90° with the main pole axis. is in direct opposition to the main poles. is in the same direction as the main poles. makes an angle with the main pole axis which is load dependent. makes an angle of 90° with the main pole axis. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If Pi and Pc represent core and full load copper loss respectively, the maximum KVA delivered to load corresponding to maximum efficiency is equal to rated KVA is Pc/Pi (Pi/Pc)2 Pi/Pc √(Pi/Pc) Pc/Pi (Pi/Pc)2 Pi/Pc √(Pi/Pc) ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In salient pole synchronous machine, the reluctance power varies as sin2δ cos2δ sinδ cosδ sin2δ cos2δ sinδ cosδ ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a dc machine, the demagnetizing effect of armature reaction is due to uneven air-gap length magnetic saturation in half of the field pole component of armature mmf along field axis non-sinusoidal nature of armature mmf uneven air-gap length magnetic saturation in half of the field pole component of armature mmf along field axis non-sinusoidal nature of armature mmf ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In DC generator, full form of MNA is what? Magnetic neutral armature co-ordinate. Magnetically no-load armature co-ordinate. Magnetic no-load axis. Magnetic neutral axis. Magnetic neutral armature co-ordinate. Magnetically no-load armature co-ordinate. Magnetic no-load axis. Magnetic neutral axis. ANSWER DOWNLOAD EXAMIANS APP
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