>
CUET (PG)
>
Electrical Machines
List of top Electrical Machines Questions asked in CUET (PG)
A 250 V shunt motor has an armature current of 50 A. If armature resistance is 0.4Ω, the back emf is
CUET (PG) - 2023
CUET (PG)
Electrical Machines
Back EMF
Calculate the area required for Rotor to generate 4.5KW in a 5m/s. Assume a drive train efficiency of 0.85, a generator efficiency of 0.75, and an altitude of 92m
CUET (PG) - 2023
CUET (PG)
Electrical Machines
DC Generator Efficiency
The incremental cost characteristics of two generators delivering a total load of 200MW are as follows.
\(df_1/dp_1=2.0+0.01 P_1.\; df_2/dp_2=1.6+0.02 P_2\)
What should be the values of P₁ and P₂ for economical operations?
CUET (PG) - 2023
CUET (PG)
Electrical Machines
DC Generator Efficiency
The flux involved in the emf equation of a transformer has______.
CUET (PG) - 2023
CUET (PG)
Electrical Machines
EMF Equation of Transformer