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POWER SYSTEMS

Power Systems
Normally Z bus matrix is a

 null matrix
 full matrix
 unit matrix
 sparse matrix

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Power Systems
For n bus power system size of Y bus matrix is

 n×n
 (n-1)×(n-2)
 (n-2)×(n-2)
 (n-1)×(n-1)

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Power Systems
Which of the following matrix is used for load flow studies?

 Unit matrix
 Z bus matrix
 null matrix
 Y bus matrix

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Power Systems
Sum of the elements of row i equal to shunt admittances connected to bus i. If this summation is zero, indicates there is no

 both 1 and 2
None of these
 shunt admittance
 mutual coupling

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Power Systems
A network containing 50 buses in which 10 are the voltage control buses, 6 are the generator buses. Find the size of the Jacobian matrix?

 34*34
 33*33
 84*84
 83*83

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