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GATE EE 2021 : Power System Quiz 3 (App update required to attempt this test)

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Question 1

A generating station operates at maximum demand of 100 MW, Load factor of 0.65, plant capacity factor is 0.5, plant use factor is 0.75,

From the above data, calculate the average load of the plant –

Question 2

The Ybus matrix of a two-bus power system having two identical parallel lines connected between them in pu is given as

The magnitude of the series reactance of each line in p.u. (round off up to one decimal place) is ___.

Question 3

A power system consists 200 buses out of which 15 buses are generator bus, 10 buses are the reactive power support bus and 5 buses are the ones with fixed shunt capacitors. The size of Jacobian matrix is N x N. Find the value of N

Question 4

Consider the economic dispatch problem for a power plant having two generating units. The fuel costs in Rs/MWh along with the generation limits for the two units are given below:

The incremental cost (in Rs/MWh) of the power plant when it supplies 200 MW is _______.

Question 5

Ybus matrix of a 200 bus interconnected system is 80 % sparse .the number of off diagonal non zero elements in Y bus and number of transmission line in the system are ?

Question 6

find the diversity factor of a power station which supplies load of

Load A : 200 KW between 10 Am to 7 Pm

Load B : 60 KW between 7 Pm to 11 Pm

Load C : 45 KW between 3 Pm to 10 Am

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Sep 10ESE & GATE EE