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Q#1 Economic Load Dispatch GATE EE 2015 NAT +2 marks -0 marks

The incremental costs (in Rupees/MWh) of operating two generating units are functions of their respective powers  and  in MW, are given by         

 

where,   

For a certain load demand, and  have been chosen such that Rs/MWh and Rs/MWh. If the generations are rescheduled to minimize the total cost, then  is__________.

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