Interval Economic Power System Dispatch Based on Improved TLBO Algorithm

doi:10.3969/j.issn.1000－7229.2018.09.013

Abstract

Abstract: In view of wind power fluctuation and the uncertainty in forecast, an economic dispatch model with standby response capacity constraint is constructed. Considering the high cost and high environmental benefits of wind power, a new balance factor named coefficient of abandoned wind is introduced in order to balance the cost of wind power, and the effective range of the balance factor are defined. At the same time, the new teaching factors and cross-operation are introduced in the teaching-learning based optimization （TLBO） algorithm, which may further improve its convergence speed and convergence ability, and the solution is applied to the model. Finally, the improved TLBO algorithm （ITLBO） is used in a 10-machine simulation system, which verifies the effectiveness of the abandonment coefficient to balance the cost of wind power and the superiority of the algorithm to solve such problems.

Key words: economic dispatch, coefficient of abandoned wind, balanced wind power cost, improved TLBO （ITLBO） algorithm

CLC Number:

TM 732

ZHOU Buxiang, HUANG Jianan, HUANG Zhengang, ZHANG Baifu, ZHANG Ye. Interval Economic Power System Dispatch Based on Improved TLBO Algorithm[J]. Electric Power Construction, 2018, 39(9): 105-111.

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