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Power Systems

Power Systems
The Y bus matrix of 100 bus interconnected system is 90% sparse. Hence the number of transmission lines in the system must be

 500
 450
 250
 900

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Power Systems
Equal area criterion gives the information regarding

 swing curves
 stability region
 relative stability
 absolute stability

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Power Systems
Find the characteristic impedance of a transmission line, if impedance is 16 Ω and admittance is 0.1 mâ„§?

 160 Ω
 400 Ω
 320 Ω
 200 Ω

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Power Systems
In a regenerative cycle, feed water is heated by

 exhaust gas.
 heaters.
 all of above.
  drained steam from turbine.

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Power Systems
A 4 bus power system consists of 4 transmission lines, then find the sparsity of Y bus matrix?

 0.5
 0.25
 0.4
 0.75

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Power Systems
The area under a flow duration curve represents

 maximum rate of run-off during the period.
 total of units of energy available.
  total quantity of run-off during that period.
 total power available.

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