NDLI: Noise-resilient voltage and frequency synchronisation of an autonomous microgrid

Content Provider	IET Digital Library
Author	Shrivastava, Sonam Subudhi, Bidyadhar Das, Susmita
Abstract	We present a new noise-resilient secondary control scheme for voltage and frequency synchronisation of an autonomous microgrid (MG). The communication network is an integral part of distributed secondary control structure. The communication links among the distributed generator units are assumed to be ideal in nature. However, the communication links are subjected to uncertain noises, which can significantly affect the synchronisation performance of MG control. We consider the information received over the communication link is corrupted with generalised Gaussian noise. Further, the complete non-linear model of the MG system has been considered for designing a robust distributed control scheme augmented with an auxiliary corrective control input to counterbalance the impact of noises. The performance of the proposed control scheme is evaluated by pursuing simulation of a MG test system in MATLAB/SimPoweSystem environment under load perturbation, changes in communication topology, communication link delays, data dropout, and variations in noise parameter. The results of a comparative assessment of the proposed control scheme with two approaches first a neighbourhood tracking error-based control scheme and second a noise-resilient control scheme are presented to illustrate the effectiveness of the proposed robust noise-resilient control scheme in voltage and frequency synchronisation and accurate active power-sharing.
Starting Page	189
Ending Page	200
Page Count	12
ISSN	17518687
Volume Number	13
e-ISSN	17518695
Issue Number	Issue 2, Jan (2019)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-gtd/13/2
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-gtd.2018.6409
Journal	IET Generation, Transmission & Distribution
Publisher Date	2018-10-11
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Active Power-sharing Autonomous Microgrid Auxiliary Corrective Control Input Closed Loop System Communication Link Delay Communication Network Communication Topology Control of Electric Power System Control System Analysis Control System Synthesis Controller Design Distributed Control Distributed Generator Units Distributed Power Generation Distributed Secondary Control Structure Frequency Synchronisation Generalised Gaussian Noise MG Control MG System MG Test System Multivariable Control System Neighbourhood Tracking Error-based Control Scheme Noise Parameter Noise-resilient Secondary Control Scheme Power Distribution Control Power Generation Control Power System Control Robust Control Robust Distributed Control Scheme Robust Noise-resilient Control Scheme Stability in Control Theory Statistics Synchronisation Synchronisation Performance Synthesis Method Uncertain Noises Voltage Control Voltage Synchronisation
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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