Electrical Machines In which of the following motors DC excitation is not required? reluctance motor 3-phase synchronous generator hysteresis motor 3-phase synchronous motor reluctance motor 3-phase synchronous generator hysteresis motor 3-phase synchronous motor ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 4 pole wave wound dc motor having flux per pole of 9.56 X 10-3 Wb contains 460 armature conductors with armature resistance of 0.6 ohm. Calculate the starting current flowing through the armature if the supply voltage is 240 volt. 0.5 Amp. 400 Amp. 800 Amp. 320 Amp. 0.5 Amp. 400 Amp. 800 Amp. 320 Amp. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The full load copper loss and iron loss of transformer are 6400W and 5000W respectively. The copper loss and iron loss at half load will be respectively? 1600 W and 5000 W 3200 W and 5200 W 1600 W and 1250 W 3200 W and 2500 W 1600 W and 5000 W 3200 W and 5200 W 1600 W and 1250 W 3200 W and 2500 W ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For a specific open-circuit voltage of a DC generator, the short-circuit electric current will be maximum when it is shunt connected. separately excited. cumulatively compounded. differentially compounded. shunt connected. separately excited. cumulatively compounded. differentially compounded. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Total core loss is also called as -------------? Copper loss Magnetic loss Eddy current loss Hysteresis loss Copper loss Magnetic loss Eddy current loss Hysteresis loss ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A flat compound generator is obtained from compound generator by connecting a variable resistor in series with the shunt field in parallel with the shunt field in parallel with the series field in series with the series field in series with the shunt field in parallel with the shunt field in parallel with the series field in series with the series field ANSWER DOWNLOAD EXAMIANS APP
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