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Stochastic Real-Time Scheduling of Wind-thermal Generation Units in an Electric Utility

Alireza Soroudi (alireza.soroudi***at***ucd.ie)
abbas rabiee (rabiee***at***znu.ac.ir)
andrew keane (andrew.keane***at***ucd.ie)

Abstract: The objective of dynamic economic dispatch (DED) problem is to find the optimal dispatch of generation units in a given operation horizon to supply a pre-specified demand, while satisfying a set of constraints. In this paper, an efficient method based on Optimality Condition Decomposition (OCD) technique is proposed to solve the DED problem in real-time environment while considering wind power generation and pool market. The uncertainties of wind power generation as well as the electricity prices are also taken into account. The above uncertainties are handled using scenario based approach. To illustrate the effectiveness of the proposed approach, it is applied on 40, 54 thermal generation units, and a large-scale practical system with 391 thermal generation units. The obtained results substantiate the applicability of the proposed method for solving the real-time DED problem with uncertain wind power generation

Keywords: conditional value at risk, uncertainty modeling, wind energy

Category 1: Applications -- Science and Engineering

Category 2: Stochastic Programming

Category 3: Applications -- OR and Management Sciences

Citation: IEEE systems journal

Download: [PDF]

Entry Submitted: 01/03/2015
Entry Accepted: 01/04/2015
Entry Last Modified: 01/07/2015

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