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EX-503 (B) · Wind & Solar Energy/Unsolved PYQ Paper

EX-503 (B) Wind & Solar Energy - Jun 2025 Question Paper

  1. 7 Marks
    aMention the difference sources of electrical power generation and discuss their relative merits and demerits.
  2. 7 Marks
    bSketch the layout of hydroelectric power plant and explain the functions of each component in it.
  3. 7 Marks
    aDraw a typical layout of a steam plant. Explain the main features of the layout.
  4. 7 Marks
    bWhat are the factors for site selection of a thermal power station?
  5. 7 Marks
    aExplain the principle and working of Solar PV system.
  6. 7 Marks
    bDiscuss how electricity is generated from biomass and its advantages.
  7. 7 Marks
    aExplain the Gas turbine power plant with neat sketch.
  8. 7 Marks
    bExplain the waste disposal in Nuclear Power plant.
  9. 7 Marks
    aWhat is economic load scheduling and how does it help optimize power plant performance?
  10. 7 Marks
    bOn the system consisting of two generating plants the incremental costs in rupees per MWh with $P_1$ and $P_2$ in megawatts are $dC_1/dP_1 = 0.15P_1 + 150$, $dC_2/dP_2 = 0.25P_2 + 175$. The system operates on economic dispatch with $P_1 = P_2 = 400$MW and $\partial P_L/\partial P_2 = 0.2$. Find the penalty factor of plant 1.
  11. 7 Marks
    aWhy load factors and demand factors are always less than one?
  12. 7 Marks
    bThe fuel costs of two-unit plant are given by $C_1 = 50 + 2P_1 + 0.005 P_1^2$; $C_2 = 100 + 2P_2 + 0.01 P_2^2$ where $P_1$ and $P_2$ are in MW. The plant supplies a load of 350 MW. Find the economic load scheduling of the two units and the incremental fuel cost. Neglect losses.
  13. 7 Marks
    aDifferentiate between fixed and operating costs of power plants. List the items which constitute the fixed and operating costs.
  14. 7 Marks
    bDiscuss the different types of tariffs used for charging the consumers of electrical energy.
  15. 14 Marks
    Write short notes (any two) a) Peak load pricing b) Magneto-Hydro dynamic system c) Load forecasting d) Cogeneration
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