Rooted tree based searching strategies for intentional islanding of distributed generation

Ding, Lei; Pan, Zhencun; Cong, Wei; Gao, Guangling

doi:10.1049/cp:20080054

Cited by 25 publications

(2 citation statements)

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“…Distributed generation technology can make full use of renewable energy sources, and almost does not cause any environment pollution. Therefore, it has gained wide scholars' attention all over the world [2,3]. At present, the comparatively mature technologies of power generation are wind power, photovoltaics, gas turbine, etc.…”

Section: Introductionmentioning

confidence: 99%

Comprehensive Control Strategy and Simulation Research on Micro Grid

Wang¹

2014

AMM

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Micro grid can integrate various distributed generators and provide local load with green energy. Therefore, it becomes a hot spot of research in every country all over the world. Due to small inertia, large number of models, big difference among internal electric sources of Micro grid operation, it is more difficult to keep stabilization of voltage frequency of common points in the network, and more complicated to control the problems. The article puts forward the improved droop control strategy based on distributed power supply layer, on the basis of traditional droop control, it increases the feed forward regulation mechanism so as to change the droop coefficient, increase the power regulation scope, speed up the common point frequency voltage stability and improve the control precision, which has realized the specific control of power output when the Micro grid synchronizes and closes, as well as the purpose of power distribution according to load demand for islanding. Finally, we use power system simulation software PSCAD/EMTDC V4.4 to verify the practicability of the proposed scheme.

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Section: Introductionmentioning

confidence: 99%

Comprehensive Control Strategy and Simulation Research on Micro Grid

Wang¹

2014

AMM

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“…This method made the assumption that the tie switch had the ability of synchronization, meaning that there must be tie switch by the boundary of the island, which was limited to some extent. According to radial structure and the characteristics of the fault recovery of the distribution network, reference [4] introduced a model to define the scope of the island of multi-users, utilizing the hierarchical root trees of DG islanding, as well as depth-first search of node-weight rooted tree and edge-weight rooted tree. A simplified model of islanding algorithm for distribution network was put forward in reference [5].…”

Section: Introductionmentioning

confidence: 99%

Research on Model and Algorithm of Islanding Based on CSP Considering DG

Zhang

Bian

et al. 2011

AMR

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In the condition of distributed generation, the DG’s islanding is an important operation, which can improve the reliability of distribution systems in the process of service restoration. In order to form an optimal islanding scheme when a fault occurs in distribution systems, this paper proposes the model and algorithm for islanding considering DG systems. This model is based on CSP, and solved by the back-tracking algorithm. At last, a simulation example verifies the efficiency and superiority of the proposed algorithm.

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Load transfer capability analysis considering interconnection of distributed generation and energy storage system

Liao

Liu

Huang

et al. 2012

Int. Trans. Electr. Energ. Syst.

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SUMMARY This paper presents an N‐1 restoration model and optimization algorithm for the solution of maximizing load transfer capability with the interconnection of DG and DESS in distribution networks. Through a deep analysis of the time‐varying characteristics of DG and DESS, the load restoration model is established and LTC indicator is proposed. With the application of searching area expansion and network topology simplification in consideration of topology connectivity constraint, LTC indicator can be conveniently obtained. Case study results show that the proposed LTC indicator effectively assesses the power supply capability in distribution networks under different circumstances of DG and DESS interconnection. Copyright © 2012 John Wiley & Sons, Ltd.

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Rooted tree based searching strategies for intentional islanding of distributed generation

Cited by 25 publications

References 0 publications

Comprehensive Control Strategy and Simulation Research on Micro Grid

Comprehensive Control Strategy and Simulation Research on Micro Grid

Research on Model and Algorithm of Islanding Based on CSP Considering DG

Load transfer capability analysis considering interconnection of distributed generation and energy storage system

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