Solved Example Problem 2 - Economic Load Dispatch without loss

Solve for economic load dispatch of generation for a total demand of 850 MW.
The fuel cost functions are given below
F1=459.0+6.48P1+0.00128P1^2 $/hr, 150MW ≤ P1 ≤ 600MW
F2=310.0+7.85P2+0.00194P2^2 $/hr,100MW ≤ P2 ≤ 400MW
F3=78.0+7.97P3+0.00482P3^2 $/hr, 50MW ≤ P3 ≤ 200MW
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[@powersystemz]

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[@user-iq8kd6ts9p]

Very good and clear explanation Sir. Thank you.

[@malvinmatthew8984]

(a) Determine the economic operating cost for this 3 units when delivering a total load of 850MW. The fuel cost for unit 1 is 1.1N/MBTU, unit 2 is 1.0N/MBTU and unit 3 is 1.0N/MBTU.
(b). Assume the price of coal decrease to 0.9N/MBTU in the system (i) above. Determine the economic operating cost.

[@malvinmatthew8984]

I want you to try solve it

[@Nxm4xu]

Thanks for the explanatory video, it's really useful. However, I have a doubt: after setting P1 to 600 MW and recalculating P2 and P3 so that the sum is 250 MW, by obtaining a new lambda value of 8.57, shouldn't we check again that the conditions of the partial derivatives dFi/dPi ≤ lambda (for Pi=Pmax), dFi/dPi≥ lambda (for Pi=Pmin) and dFi/dPi (for Pmin

[@JudgeDIALWA]

Nice and crystal clear

[@powersystemz]

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[@ytrio319]

Hi thank u for this tutorial .. could you drop the link of problem solved {PDF}?

[@drcreation432]

Spr👍

[@bosanaboyinasaisamyuktha9476]

Can u do for 6-unit system

[@powersystemz]

Sure

[@bosanaboyinasaisamyuktha9476]

@@powersystemz how can I provide u the sum sir .As I am trying it from so many days I not getting the ans

[@powersystemz]

@@bosanaboyinasaisamyuktha9476 [e-mail]

[@bosanaboyinasaisamyuktha9476]

@@powersystemz ok sir

[@user-ey1wq5pv1q]

27:57 sir why there are two different values of lambda one for P1 and anothe one is for P2 & P3

[@powersystemz]

Nothing this is power balance constraints

[@powersystemz]

ruclips.net/video/gs_syWAaNL4/видео.htmlsi=itB9Y9NrMg3r9Luj

[@powersystemz]

Watch this and then solve the problem