Dynamic economic dispatch: feasible and optimal solutions

Dynamic economic dispatch is an extension of the conventional economic dispatch problem that takes into consideration the limits on the ramp rate of the generating units. This paper examines the factors that affect the feasibility and optimality of solutions to this problem. It proposes two new solu...

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Bibliographic Details
Published in:IEEE transactions on power systems 2001-02, Vol.16 (1), p.22-28
Main Authors: Han, X.S., Gooi, H.B., Kirschen, D.S.
Format: Article
Language:English
Subjects:
Constraint optimization
Costs
Dynamical systems
Dynamics
Economics
Feasibility
Funding
Optimization
Portfolios
Power generation
Power generation dispatch
Power generation economics
Power system dynamics
Power system economics
Production
Ramps
Shape
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Summary:Dynamic economic dispatch is an extension of the conventional economic dispatch problem that takes into consideration the limits on the ramp rate of the generating units. This paper examines the factors that affect the feasibility and optimality of solutions to this problem. It proposes two new solution methods. The first is guaranteed to find a feasible solution even when the load profile is nonmonotonic. The second is an efficient technique for funding the optimal solution. The results obtained with these methods are compared with those obtained using previously published methods.
ISSN:0885-8950
1558-0679
DOI:10.1109/59.910777