Electrical Machines In dc machines, the field-flux axis and armature-mmf axis are respectively along quadrature axis and direct axis quadrature axis and interpolar axis direct axis and interpolar axis direct axis and indirect axis quadrature axis and direct axis quadrature axis and interpolar axis direct axis and interpolar axis direct axis and indirect axis ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Synchronous reactance of an alternator represents field winding reactance All of these armature reactance and leakage reactance a reactance operating at synchronous speed field winding reactance All of these armature reactance and leakage reactance a reactance operating at synchronous speed ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For power factor improvement the synchronous motor is to be lightly loaded and over excited heavily loaded and over excited heavily loaded and underexcited lightly loaded and underecited lightly loaded and over excited heavily loaded and over excited heavily loaded and underexcited lightly loaded and underecited ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines φA DC shunt machine generates 250 V on open circuit at 1000 RPM. Armature resistance is 0.5 Ω, field resistance 250 Ω. When running as a motor takes 4 A at 250 V. Calculate the speed when running as a motor taking 40 A at 250 V. Armature reaction weakens the field by 4%. 920 RPM 970 RPM 940 RPM 960 RPM 920 RPM 970 RPM 940 RPM 960 RPM ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In DC generator, full form of MNA is what? Magnetically no-load armature co-ordinate. Magnetic neutral armature co-ordinate. Magnetic neutral axis. Magnetic no-load axis. Magnetically no-load armature co-ordinate. Magnetic neutral armature co-ordinate. Magnetic neutral axis. Magnetic no-load axis. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 3 - φ induction motor can also be referred to as a shunt motor. transformer. repulsion motor. asynchronous motor. shunt motor. transformer. repulsion motor. asynchronous motor. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS