STUPIDSID
Attempt any four
1(a)
State the importance pf Load Forecasting.
5 M
1(b)
What is operating reserve? Define Outage Replacement Rate (O.R.R.)
5 M
1(c)
Show that M.T.T.F. is reciprocal of failure rate &lambda.
5 M
1(d)
Draw Bath Tub curve and define all three regions in if.
5 M
1(e)
The reliability of a component is 0.3. How many such components be connected in parallel to achieve an overall reliability of at least 0.85?
5 M
2(a)
Explain two static Markov model and derive the expression of availability and unavailability. Draw the state space model for three units indicating all transition rates.
10 M
2(b)
Differentiate in short term, Medium term and Long term planning.
10 M
3(a)
What is the impact of weather on load forecasting? Explain weather load model.
10 M
3(b)
What is reactive power planning? What are the methods used for reactive power planning?
10 M
4(a)
Consider a system contaning five units of 40 MW each with a forced outage rate of 0.01. Prepare the capacity outage table for the system. Find Loss of Load Expectation (LOLE) and risk factor if the peak load is 180 MW and base load is 40% of peak load.
10 M
4(b)
Derive a general expression for the unreliability of model shown in figure below and hence evaluate the unreliability of the system if all component have a reliability of 0.8.
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10 M
5(a)
Explain frequency and duration method and hence explain the concept of rate of departure.
10 M
5(b)
Explain modified PJM method in detail.
10 M
6(a)
In the system shown in figure below, a system success requires that at leasr one of the paths, AC, BD, AED, BEC must be available. Write an expression for unreliability of this system. If all the components have a reliability of 0.99 each. What is the system reliability?
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:!mage
10 M
6(b)
Explain data requirement for composite system reliability evaluation.
10 M
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