Module 7 : Out of Step Protection

Lecture 25 : Analysis of Power Swings in a Multi – Machine System
 

Example 1 (contd..)

  Solution:
 

Since we are considering the transmission line ‘c' which is connected between buses 2 and 3, we can ignore the first row and column of the Zbus matrix and the reduced model will be,

                                                                                  
 

Therefore,
 

 


 

  i.e.
 





 
1
8