Electrical Machines A 3-phase, 50 Hz, 4 pole induction motor is running at 1440 rpm and rotor input power is 2KW. Find the rotor copper loss? 40W 60W 80W 100W 40W 60W 80W 100W ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 500 V, 55 kVA single phase alternator has an effective resistance of 0.5 Ω. An excitation current of 10 A produces 200 A armature current on short circuit and an emf of 450 V on per circuit. The synchronous reactance will be 2.781 Ω. 2.74 Ω. 2.241 Ω. 25.564 Ω. 2.781 Ω. 2.74 Ω. 2.241 Ω. 25.564 Ω. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Quadrature axis synchronous reactance is the ratio of Vmin to Imin. Vmin to Imax. Vmax to Imin. Vmax to Imax. Vmin to Imin. Vmin to Imax. Vmax to Imin. Vmax to Imax. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Find the synchronous reactance of alternators in which a given field current of 200 A on short circuit and a generated emf of 50 V on open circuit. Armature resistance is 0.1 ohm 0.25Ω. 0.23Ω. 1Ω. 0.5Ω. 0.25Ω. 0.23Ω. 1Ω. 0.5Ω. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Inter pole winding is connected in-------------------------- ? parallel with main poles series with armature parallel with armature series with main poles parallel with main poles series with armature parallel with armature series with main poles ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What is the full form of MNP? Magnetic field neutral plane. Magnetic neutral pole. Magnetic field neutral pole. Magnetic neutral plane. Magnetic field neutral plane. Magnetic neutral pole. Magnetic field neutral pole. Magnetic neutral plane. ANSWER DOWNLOAD EXAMIANS APP
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