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//Chapter 4: Selection of Motor Power Rating
//Example 4
clc;
//Variable Initialization
Cr=60 //Heating time constant in minutes
Cs=90 //Cooling time constant in minutes
P=20 //Full load in kW
//Solution
//Part-i
a=0
tr=10 //Time to deliver in minutes
x=exp(-tr/Cr)
K=sqrt(1/(1-x))
P1=K*P //Permitted load
//Part-ii
a=0
tr=10 //Intermittent load period allowed in minutes
ts=10 //Shutdown time period in minutes
x=exp(-(tr/Cr+ts/Cs))
y=exp(-tr/Cr)
K=sqrt((1-x)/(1-y))
P2=K*P //Permitted load
mprintf("\ni)Required permitted load:%d kW",P1)
mprintf("\nii)Required permitted load:%.2f kW",P2)
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