Coordinating dynamic network reconfiguration with ANM in active distribution network optimisation considering system structure security evaluation

The growing penetration of renewable energy resources in distribution networks demands for more active management tools. As a new controllable resource, dynamic network reconfiguration (DNR) can improve the flexibility of active distribution network, and in turn decreasing the operation cost of the...

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Veröffentlicht in:	IET generation, transmission & distribution Jg. 13; H. 19; S. 4355 - 4363
Hauptverfasser:	Li, Chao, Miao, Shihong, Li, Yaowang, Zhang, Di, Ye, Chang, Liu, Ziwen, Li, Lixing
Format:	Journal Article
Sprache:	Englisch
Veröffentlicht:	The Institution of Engineering and Technology 08.10.2019
Schlagworte:	active distribution network optimisation active management tools active network management ANM controllable resource demand response distribution network operation constraints DNR switches dynamic network reconfiguration extended IEEE 33‐node distribution network mixed‐integer second‐order cone programming problem model transformation method no‐convex optimisation model optimisation power distribution control RDG active‐reactive outputs renewable distributed generation curtailment renewable energy resources Research Article scheduling resources second‐order cone relaxation static var compensator static VAr compensators system structure security evaluation variable substitution linearisation power distribution control ANM RDG active-reactive outputs dynamic network reconfiguration static VAr compensators model transformation method DNR switches static var compensator renewable distributed generation curtailment renewable energy resources active management tools active distribution network optimisation optimisation active network management mixed-integer second-order cone programming problem system structure security evaluation no-convex optimisation model distribution network operation constraints extended IEEE 33-node distribution network controllable resource second-order cone relaxation variable substitution linearisation scheduling resources demand response
ISSN:	1751-8687, 1751-8695
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Zusammenfassung:	The growing penetration of renewable energy resources in distribution networks demands for more active management tools. As a new controllable resource, dynamic network reconfiguration (DNR) can improve the flexibility of active distribution network, and in turn decreasing the operation cost of the distribution network and mitigating renewable distributed generation (RDG) curtailment. In this study, an optimisation model coordinating DNR with active network management (ANM) strategies is established, and the system structure security is evaluated. Considering the coordination of scheduling resources such as DNR switches, RDG active/reactive outputs, demand response and static var compensator, the model aims to minimise the comprehensive operation cost of distribution network and improve the consumption rate of RDG while satisfying the distribution network operation constraints. The model transformation method based on the second-order cone relaxation and variable substitution linearisation is proposed, and the original no-convex optimisation model is transformed into the mixed-integer second-order cone programming problem. Finally, the extended IEEE 33-node distribution network is utilised to conduct simulation calculation, and the results demonstrate the validity of the proposed model and its transformation method.
ISSN:	1751-8687 1751-8695
DOI:	10.1049/iet-gtd.2018.6583