EE - II - UNIT - 4 - DC GENERATOR

WHICH TYPE OF DC GENERATOR HAS TWO FIELD WINDINGS?

• SERIES

• SHUNT

• COMPOUND

EFFICIENCY OF DC GENERATOR IS RATIO BETWEEN ----- TO----

• INPUT POWER,OUTPUT POWER

• OUTPUT POWER,INPUT POWER

• INPUT GAIN/=,OUTPUT GAIN

MARK THE LOSSES WHICH OCCURS IN DC GENERATOR

• COPPER LOSS

• IRON LOSS

• STRAY LOSS

• MECHANICAL LOSS

WHICH IS VARIABLE LOSS?

• ARMATURE COPPER LOSS

• FIELD COPPER LOSS

• BRUSH CARBON RESISTANCE

EFFICIENCY OF RELIABLE DC GENERATOR

• 90% - 99%

• 85% - 95%

• 50% - 69%

• 70% - 84%