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Power Systems

Power Systems
Length of short transmission line is up to

 40 km
 80 km
 150 km
 any of the above

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Power Systems
What is the approximate efficiency of a normal thermal power station?

 30-40%
 60-70%
 45-55%
 20-25%

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Power Systems
A generated station has a maximum demand of 30 MW, a load factor of 60% and a plant capacity factor of 50%. The reserve capacity of the plant is

 6 MW
 12 MW
 5 MW
 10 MW

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Power Systems
Two generating stations delivering a powers of P1 = 150 MW, P2 =100 MW and the B coefficients are B11 = 0.005, B22 = 0.002, B12=B21= -0.001. Find the transmission line losses?

 105.2
 85.5
 102.5
 95.5

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Power Systems
Find the value of a729, where "a" is the operator

 α
 0
 α²
 1

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Power Systems
Find the number of strands of ACSR conductor for 3 layer transmission line?

 19
 29
 1
 7

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