What should you choose in following situation: A factory is looking to install t

Question

What should you choose in following situation:

A factory is looking to install turbine generators to produce electricity. They have the following choises:

three 10MW turbine generators OR one10 MW and one 20 MW turbine generators OR one 30 MW turbine generator.

What would you choose considering cost, reliability and efficiency. Justify your answer by explaining the advantages and disadvantages of each choice and support your claim.

Note:
you are not required to give answers in numerical figures. paragraph is expected

Note:
Hints: You can think of a few special cases with different loads of generation facility, for example, you may assume expected loads of generation facility like 8MW, 12MW, and 18MW in order to discuss reliability aspect of the plant. Also, you can assume appropriate per unit costs of three generations (C1 ($/MW), C2 ($/MW), and C3 ($/MW)) with the condition that C1 < C2 < C3 and discuss cost issues. Similarly you can justify efficiency aspect of your choice.

Explanation / Answer

One 30 MW turbine generator.

Because compared to remaining two

1. The cost is less

2. The reliability is more because handling single equipment is easy compared to hanling combination of more than one equipment

3. Efficiency is more.

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