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Consider the following 4-bus network. Buses 1 and 2 are generation buses and bus 3 is a load bus. 


admittance is indicated for each bus on the figure. There is no resistance on transmission lines.  

Question 4.png


Assume that P1g 3pu, P2g  2pu, and P3l 5pu. Answer the following questions: 

(a) Obtain the Y-bus matrix for this network. 

(b) Write the linearized power flow equations in matrix form. 

Question 4.png

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