1) write the equation for mesh current #2 2) write the equation for mesh current
ID: 2081924 • Letter: 1
Question
1) write the equation for mesh current #2 2) write the equation for mesh current #3 3) from the work in 1) and 2) and mesh current #1, write all three mesh equations in matrix form [V]=[Z][I]. Use matlab to solve for the mesh currents. 4)compute the average power absorbed by the 8,4, and 10 ohm resistors in the delta-load 5) compute the total real power absorbed by the delta-load 5 Q j6 S2 4 SR 100 1200 V 100 V j3 2 8 S2 5 2 102 WWWr 100 1200 V 5 2 /MWh The equation for the Mesh current #1 has been done for you: 100 (18- j6) 5l,- (8- j6)Explanation / Answer
1) 100(-0.5-j0.866)-5(I2-I1)-10(I2-I3)=5(I2) => 5(I1)-20(I2)=10(I3)=50(1+j1.732)
2) (8-j6)(I3-I1)-4(I3)-j3(I3)=10(I3-I2) => (8-j6)I1-10(I2)+(6+j9)I3=0
3) The above 3 equations can be written in matrix form and can be solved by MATLAB.
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