Home » Power Systems » Power systems miscellaneous » Question
  1. What is the utilization factor of a power station which supplies the following loads ?
    Load A: Motor load of 200 kW between 10 AM to 7 PM
    Load B: Lighting load of 100 k W bet ween 7 PM to 11 PM
    Load C: Pumping load of 110 kW between 3 PM to 10 AM
    1. 1.60
    2. 1.32
    3. 1.00
    4. 2.56
Correct Option: B

Sum of individual maximum demands
= (200 + 100 + 110) kW = 410 kW.

TimeLoad
10 AM to 3 PM200 kW
3 PM to 7 PM(200 + 110) kW = 310 kW
7 PM to 11 PM(100 + 110) kW = 210 kW
11 PM to 10 AM   110 kW

Maximum demand of the whole system is 310 kW. Utiligation factor
=
Sum of individual maximum demand
=
410
= 1.32
Maximum demand of whole system132



Your comments will be displayed only after manual approval.