NDLI: Research on size and location of distributed generation with vulnerable node identification in the active distribution network

Content Provider	IET Digital Library
Author	Zhao, Yuanyuan An, Yiran Ai, Qian
Abstract	This study aims to solve for the optimal location and capacity of distributed generation (DG), taking vulnerable node identification into consideration, in active distribution networks (ADN). Vulnerable nodes exist in the distribution network. Considering that the power fluctuations of those vulnerable nodes will have a significant impact on other nodes, the allocations of the DGs should avoid such nodes. Therefore vulnerable node identification and removal from the network can greatly limit the siting range of DGs. In this study, the vulnerable nodes are identified based on the small-world network theory, which is used as the preliminary location of the DG. Then, a genetic algorithm (GA) is proposed to finally address the optimal location and capacity for grid-connected DG. A GA with voltage boundary constraints is utilised to effectively prevent the bus voltage from reaching its boundary. This method improves the calculation efficiency greatly and is therefore suitable for flexible distribution network topology in ADN. According to the change of the distribution network topology, the corresponding optimal location and capacity limit for the DG can be quickly calculated. Some examples validate the algorithm and prove that it has fast convergence.
Starting Page	1801
Ending Page	1809
Page Count	9
ISSN	17518687
Volume Number	8
e-ISSN	17518695
Issue Number	Issue 11, Nov (2014)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-gtd/8/11
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-gtd.2013.0887
Journal	IET Generation, Transmission & Distribution
Publisher Date	2014-05-12
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Active Distribution Network ADN Calculation Efflciency Capacity Limit Convergence Distributed Generation Distributed Power Generation Distribution Network Fault Diagnosis Flexible Distribution Network Topology Genetic Algorithm Grid-connected DG Optimal Location Optimisation Technique Power Fluctuations Small-world Network Theory Voltage Boundary Constraint Vulnerable Node Identification
Content Type	Text
Resource Type	Article
Subject	Control and Systems Engineering Energy Engineering and Power Technology Electrical and Electronic Engineering

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