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Norton equivalent circuit

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asked Aug 8, 2015 in ELECTRICAL ENGINEERING by anonymous

1 Answer

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(2)

Step 1:

Find the Norton's short circuit current.

1. Short the load resistor.

2. Calculate the Short Circuit Current. This is the Norton Current (IN).

Redraw the circuit :

Use the source transformation to convert the current source to equivalent voltage source.

Voltage across the resistor R2 is .
 
Redraw the circuit :
 

Step 2:

Find the total circuit current : .

Voltage V = 136 +75

V = 211 V

Nortons equivalent resistance is .

( From http://www.mathskey.com/question2answer/31751/norton-equivalent-circuit ).

Step 3:

Find the Current through the resistor R3.

Use the CDR (current division rule ) to find the Current through the resistor R3.

Norton short circuit current is .

Nortons current is .

Solution :

 Nortons current is .

answered Aug 10, 2015 by justmaths Rookie

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