Electrical Machines What type of connection is made in between the inter-pole and the field winding? Compound. None of the options. Series. Parallel. Compound. None of the options. Series. Parallel. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 240 V, dc shunt motor draws 15 A while supplying the rated load at a speed of 80 rad/s. The armature resistance is 0.5 W and the field winding resistance is 80 W. The external resistance to be added in the armature circuit to limit the armature current to 125% of its rated value is 31.1 Ω 31.9 Ω 15.9 Ω 15.1 Ω 31.1 Ω 31.9 Ω 15.9 Ω 15.1 Ω ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The power flow of a dc motor, with respect to a DC generator is reversed. none of these. modified. increased. reversed. none of these. modified. increased. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines As compared to an induction motor, the air gap in a DC motor is less than 50%. more. between 50% and 90%. same. less than 50%. more. between 50% and 90%. same. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If an induction machine is run at above the synchronous speed it acts as None of these an induction generator a synchronous motor an induction motor None of these an induction generator a synchronous motor an induction motor ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In the V curve shown in figure below for a synchronous motor, the parameter of Y and X coordinates are, respectively Torque and field current. Armature current and field current. Armature current and torque. Power factor and field current. Torque and field current. Armature current and field current. Armature current and torque. Power factor and field current. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS