NDLI: Adaptive protection methodology in microgrid for fault location and nature detection using q0 components of fault current

Content Provider	IET Digital Library
Author	Singh, Manjeet Basak, Prasenjit
Abstract	The dynamic behaviour of microgrid system under faulty conditions makes adaptive protection a general necessity for reliable microgrid operation. In design of adaptive protection, the grid-connected and islanded modes have immense importance including grid-connected mode without distributed generators (DGs) in microgrid. In this study, a new adaptive protection scheme is proposed based on the above-mentioned modes of microgrid operation. The proposed method considers nature of DGs connected, fault location detection and fault nature identification based on quadrature and zero sequence components of fault current considering impact of X/R ratio of DGs. The proposed methodologies for adaptive protection schemes are verified in Matlab-Simulink environment and the results are found to be satisfactory while various faults are simulated at different nodes of the microgrid model. At the time of verification of effectiveness of the proposed methodologies, the time derivative of quadrature and zero-axis components of fault current are considered sufficient to instantaneously detect the fault location and fault nature in microgrid system.
Starting Page	760
Ending Page	769
Page Count	10
ISSN	17518687
Volume Number	13
e-ISSN	17518695
Issue Number	Issue 6, Mar (2019)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-gtd/13/6
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-gtd.2018.6347
Journal	IET Generation, Transmission & Distribution
Publisher Date	2018-10-18
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Adaptive Protection Methodology Distributed Power Generation Fault Current Fault Location Fault Location Detection Fault Nature Detection Fault Nature Identification Faulty Condition Grid-connected Mode Islanded Mode MATLAB-Simulink Environment Microgrid Model Microgrid System Power Generation Fault Power Generation Protection Power Generation Reliability Power System Protection Q0 Component Quadrature Component Reliability Zero Sequence Component Zero-axis Component
Content Type	Text
Resource Type	Article
Subject	Control and Systems Engineering Energy Engineering and Power Technology Electrical and Electronic Engineering

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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