Developing a Decision Tree Algorithm for Wind Power Plants Siting and Sizing in Distribution Networks

Santosh Ghimire and Seyed Morteza Alizadeh
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Santosh Ghimire: Engineering Institute of Technology, Faculty of Electrical Engineering and Industrial Automation, Melbourne, VIC 3000, Australia
Seyed Morteza Alizadeh: Engineering Institute of Technology, Faculty of Electrical Engineering and Industrial Automation, Melbourne, VIC 3000, Australia

Energies, 2021, vol. 14, issue 8, 1-24

Abstract: The interconnection of wind power plants (WPPs) with distribution networks has posed many challenges concerned with voltage stability at the point of common coupling (PCC). In a distribution network connected WPP, the short-circuit ratio (SCR) and impedance angle ratio seen at PCC (X/R PCC ) are the most important parameters, which affect the PCC voltage (V PCC ) stability. Hence, design engineers need to conduct the WPP siting and sizing assessment considering the SCR and X/R PCC seen at each potential PCC site to ensure that the voltage stability requirements defined by grid codes are provided. In various literature works, optimal siting and sizing of distributed generation in distribution networks (DG) has been carried out using analytical, numerical, and heuristics approaches. The majority of these methods require performing computational tasks or simulate the whole distribution network, which is complex and time-consuming. In addition, other works proposed to simplify the WPP siting and sizing have limited accuracy. To address the aforementioned issues, in this paper, a decision tree algorithm-based model was developed for WPP siting and sizing in distribution networks. The proposed model eliminates the need to simulate the whole system and provides a higher accuracy compared to the similar previous works. For this purpose, the model accurately predicts key voltage stability criteria at a given interconnection point, including V PCC profile and maximum permissible wind power generation, using the SCR and X/R PCC values seen at that point. The results confirmed the proposed model provides a noticeable high accuracy in predicting the voltage stability criteria under various validation scenarios considered.

Keywords: wind power plant; distribution network; X/R ratio; short-circuit capacity; decision tree (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2021
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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