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diff --git a/73/CH13/EX13.3/Example13_3.sci b/73/CH13/EX13.3/Example13_3.sci new file mode 100755 index 000000000..6265e02b2 --- /dev/null +++ b/73/CH13/EX13.3/Example13_3.sci @@ -0,0 +1,13 @@ +//Chapter 13_Voltage Regulators
+//Caption : Maximum Efficiency and Power
+//Example13.3: Calculate the maximum efficiency and associated power dissipation for the 5 V MC7805 series regulator.The input ripple is 10 V and the load current is 1 A. The output is between 4.75 to 5.25 for &v<=Vin<=20 V.
+//Solution:
+clear;
+clc;
+Vo=5;
+Vin=17;//since for MC7805 a maximum of 7.5 V is added to the ripple.Since 10 V ropple is given so Vin=10+7=17 V
+Il=1;//load current in ampere
+n=Vo/Vin*100;//series pass reguator overall efficiency
+Pd=(Vin-Vo)*Il;
+disp('%',n,'maximum efficiency for 5V MC7805 series regulator is:')
+disp('W',Pd,'power dissipation for the 5V MC7805 series regulator is:')
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