What are the main two divisions of MAPS electrical system and what do you understand by it?

What are the main two divisions of MAPS electrical system and what do you understand by it? 
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1 Answer

Answer :

The two main divisions of MAPS electrical system are

a. Main output system. Output system supplies power to the grid. Generated voltage is stepped up to 220 kV from 16.5 kV and supplied to grid.

b. Station service system. This system supplies the load inside the power station. The generated voltage is stepped down to 6.6 kV and 415 V from 16.5 kV and supplies to auxiliary loads. 
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