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Sustainability 2016, 8(1), 71; doi:10.3390/su8010071

The Optimal Dispatch of a Power System Containing Virtual Power Plants under Fog and Haze Weather

School of Electrical and Electronic Engineering, North China Electric Power University, Baoding 071003, China
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Academic Editor: Tatiana Morosuk
Received: 25 November 2015 / Revised: 7 January 2016 / Accepted: 8 January 2016 / Published: 13 January 2016
(This article belongs to the Special Issue Energy Conversion System Analysis)
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Abstract

With the growing influence of fog and haze (F-H) weather and the rapid development of distributed energy resources (DERs) and smart grids, the concept of the virtual power plant (VPP) employed in this study would help to solve the dispatch problem caused by multiple DERs connected to the power grid. The effects of F-H weather on photovoltaic output forecast, load forecast and power system dispatch are discussed according to real case data. The wavelet neural network (WNN) model was employed to predict photovoltaic output and load, considering F-H weather, based on the idea of “similar days of F-H”. The multi-objective optimal dispatch model of a power system adopted in this paper contains several VPPs and conventional power plants, under F-H weather, and the mixed integer linear programming (MILP) and the Yalmip toolbox of MATLAB were adopted to solve the dispatch model. The analysis of the results from a case study proves the validity and feasibility of the model and the algorithms. View Full-Text
Keywords: fog and haze; virtual power plant; forecast; wavelet neural network; optimal dispatch; mixed integer linear programming fog and haze; virtual power plant; forecast; wavelet neural network; optimal dispatch; mixed integer linear programming
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Gao, Y.; Cheng, H.; Zhu, J.; Liang, H.; Li, P. The Optimal Dispatch of a Power System Containing Virtual Power Plants under Fog and Haze Weather. Sustainability 2016, 8, 71.

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