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Abstract- A fault detection and isolation scheme for low-voltage dc-bus microgrid systems is presented in this report. Unlike traditional ac distribution systems, protection has been challenging for dc systems. The goals of the proposed scheme are to detect the fault in the bus between devices and to isolate the faulted section so that the system keeps operating without disabling the entire system. To achieve these goals, a loop-type dc-bus-based microgrid system, which has a segment controller between connected components, is proposed. The segment controller consists of master and slave controllers that monitor currents and control the segment separation, which include solid-state bidirectional switches and snubber circuits. The proposed system can detect faults on the bus regardless of fault current amplitude or the power supplys feeding capacity. The proposed concepts have been verified by MATLAB/Simulink simulations and experiments on hardware test bed with PV panel and a battery is used to provide the DC power supply to the dc-bus. Index Terms- LVDC, Loop type, Segment Controller, MATLAB/Simulink, Microgrid.
Keywords:
Index Terms- LVDC, Loop type, Segment Controller, MATLAB/Simulink, Microgrid.
Cite Article:
"Fault Detection and Isolation System for a Loop Type Low Voltage DC Microgrid Using Segment Controller", International Journal of Science & Engineering Development Research (www.ijrti.org), ISSN:2455-2631, Vol.2, Issue 9, page no.91 - 96, September-2017, Available :http://www.ijrti.org/papers/IJRTI1709015.pdf
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ISSN:
2456-3315 | IMPACT FACTOR: 8.14 Calculated By Google Scholar| ESTD YEAR: 2016
An International Scholarly Open Access Journal, Peer-Reviewed, Refereed Journal Impact Factor 8.14 Calculate by Google Scholar and Semantic Scholar | AI-Powered Research Tool, Multidisciplinary, Monthly, Multilanguage Journal Indexing in All Major Database & Metadata, Citation Generator