A technique to optimally prevent the voltage and frequency violation in renewable energy integrated microgrids

Md Asaduzzaman Shoeb; Farhad Shahnia; G Shafiullah; Fushuan Wen

doi:10.3390/en16155774

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A technique to optimally prevent the voltage and frequency violation in renewable energy integrated microgrids

Journal article

Open access

Peer reviewed

A technique to optimally prevent the voltage and frequency violation in renewable energy integrated microgrids

Md Asaduzzaman Shoeb, Farhad Shahnia, G Shafiullah and Fushuan Wen

Energies (Basel), Vol.16(15), 5774

2023

DOI: https://doi.org/10.3390/en16155774

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Abstract

Alternative energy sources

Electricity distribution

Forecasting

Optimization

Prevention

A microgrid (MG) is always prone to the uncertainties of its demand variation and the generation of its non-dispatchable renewable sources when operating in islanded mode. Such variation events can lead to the voltage or frequency (VF) violation in the MG. However, there are some techniques available in the literature that can predict these events a few minutes ahead. Using such techniques, the VF violation can also be predicted and prevented with the introduction of a suitable preventive controller. Hence, this paper proposes a look-ahead controller that uses the short-horizon prediction data of demand and renewable generation to determine any prospective VF violation. If a violation is predicted, the proposed technique will aim to define the most optimal generation level of dispatchable sources, the MG’s best network configuration and the engagement level of the supportive actions, such as exchanging power with neighboring microgrids, utilizing energy storages, a demand response and renewable energy curtailment (if and when available). The technical, reliability and environmental aspects of the MG are considered within the proposed technique along with the operational cost. The determined optimal control variables are then sent to the local controllers to apply the proper arrangements in the system to retain the VF within the desired range. The performance of the developed technique is validated through extensive numerical analyses in MATLAB.

Details

Title: A technique to optimally prevent the voltage and frequency violation in renewable energy integrated microgrids
Authors/Creators: Md Asaduzzaman Shoeb - Murdoch University, Centre for Water, Energy and Waste
Farhad Shahnia - Murdoch University, Centre for Water, Energy and Waste
G Shafiullah - Murdoch University, Centre for Water, Energy and Waste
Fushuan Wen - Zhejiang University
Publication Details: Energies (Basel), Vol.16(15), 5774
Publisher: MDPI AG
Identifiers: 991005599567807891
Murdoch Affiliation: School of Engineering and Energy
Language: English
Resource Type: Journal article

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Collaboration types: Domestic collaboration; International collaboration
Citation topics: 4 Electrical Engineering, Electronics & Computer Science; 4.18 Power Systems & Electric Vehicles; 4.18.204 Smart Grid Optimization
Web Of Science research areas: Energy & Fuels
ESI research areas: Engineering