Active Distribution Networks Planning Considering Multi-DG Configurations and Contingency Analysis

Bilal Amjad, Mohammad Ahmad A. Al-Ja’afreh and Geev Mokryani
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Bilal Amjad: Faculty of Engineering and Informatics, University of Bradford, Bradford BD7 1DP, UK
Mohammad Ahmad A. Al-Ja’afreh: Faculty of Engineering and Informatics, University of Bradford, Bradford BD7 1DP, UK
Geev Mokryani: Faculty of Engineering and Informatics, University of Bradford, Bradford BD7 1DP, UK

Energies, 2021, vol. 14, issue 14, 1-16

Abstract: This paper proposes a novel method for planning active distribution networks (ADNs) with the integration of an active network management (ANM) scheme using coordinated voltage control (CVC) through on-load tap changer (OLTC) transformers. The method was formulated as a security-constrained optimal power flow (SCOPF) problem to minimize total operational costs, which maximizes the utilization of renewable distributed generators (DGs) over a planning horizon. The ANM scheme was applied using OLTC to ensure safe operation and reduce voltage violations in the network. To analyse the impact of ANM, the planning problem was examined both with and without the ANM scheme. Moreover, SCOPF, considering the N-1 line contingency analysis and multi-DG configuration, was implemented to analyse the feasibility of the proposed method and the advantages of ANM under contingency situations. The method was validated on a weakly-meshed 16-bus UK generic distribution system (UKGDS). The results showed that ANM can lower operational costs and maintain network voltage for operation in feasible conditions even in the case of a contingency. Moreover, the ANM scheme mitigated the voltage rise effect caused by DGs and maximized their utilization.

Keywords: active distribution networks; active network management (ANM); distributed generators (DGs); contingency analysis (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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