Armature reaction of an unsaturated D.C. machine is

Related MCQs

• The e.m.f. induced in the armature of a shunt generator is 600 V. The armature resistance is 0.1 ohm. If the armature current is 200 A, the terminal voltage will be
• Two generators A and B have 6-poles each. Generator A has wave wound armature while generator B has lap wound armature. The ratio of the induced e.m.f. is generator A and B will be
• The demagnetising component of armature reaction in a D.C. generator
• In a separately excited generator supplying rated load the armature reaction ,
• Armature reaction in a generator results in
• As a result of armature reaction, the reduction in the total mutual air gap flux in a D.C. generator is approximately
• Open circuited armature coil of a D.C. machine is
• The armature of D.C. generator is laminated to
• The resistance of armature winding depends on
• The commutator segments are connected to the armature conductors by means of