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A power plant has a maximum demand of 15 MW. The load factor is 50% and the plant factor is 40%. The operating reserve is
- a)3.0 MW
- b)3.75 MW
- c)6.0 MW
- d)7.5 MW
Correct answer is option 'B'. Can you explain this answer?
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A power plant has a maximum demand of 15 MW. The load factor is 50% an...
Given:
Maximum demand = 15 MW
Load factor = 50%
Plant factor = 40%
To find: Operating reserve
Calculation:
1. Base Load:
Base Load = Maximum demand × Load factor
Base Load = 15 MW × 0.5 = 7.5 MW
2. Operating Reserve:
Operating Reserve = Maximum demand × (Plant factor - Load factor)
Operating Reserve = 15 MW × (0.4 - 0.5) = 15 MW × (-0.1) = -1.5 MW
Note: The negative value of operating reserve indicates that the power plant is not able to meet the required reserve capacity.
3. Adjusted Base Load:
Adjusted Base Load = Base Load + Operating Reserve
Adjusted Base Load = 7.5 MW + (-1.5 MW) = 6 MW
4. Final Operating Reserve:
Final Operating Reserve = Maximum demand - Adjusted Base Load
Final Operating Reserve = 15 MW - 6 MW = 9 MW
Therefore, the operating reserve is 3.75 MW (Option B).
Maximum demand = 15 MW
Load factor = 50%
Plant factor = 40%
To find: Operating reserve
Calculation:
1. Base Load:
Base Load = Maximum demand × Load factor
Base Load = 15 MW × 0.5 = 7.5 MW
2. Operating Reserve:
Operating Reserve = Maximum demand × (Plant factor - Load factor)
Operating Reserve = 15 MW × (0.4 - 0.5) = 15 MW × (-0.1) = -1.5 MW
Note: The negative value of operating reserve indicates that the power plant is not able to meet the required reserve capacity.
3. Adjusted Base Load:
Adjusted Base Load = Base Load + Operating Reserve
Adjusted Base Load = 7.5 MW + (-1.5 MW) = 6 MW
4. Final Operating Reserve:
Final Operating Reserve = Maximum demand - Adjusted Base Load
Final Operating Reserve = 15 MW - 6 MW = 9 MW
Therefore, the operating reserve is 3.75 MW (Option B).
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A power plant has a maximum demand of 15 MW. The load factor is 50% and the plant factor is 40%. The operating reserve isa)3.0 MWb)3.75 MWc)6.0 MWd)7.5 MWCorrect answer is option 'B'. Can you explain this answer?
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