Utilizing reactive capability of PV inverters and battery systems to improve voltage profile of a residential distribution feeder

Kabir, Md Nayim & Mishra, Yateendra (2014) Utilizing reactive capability of PV inverters and battery systems to improve voltage profile of a residential distribution feeder. In Proceedings of 2014 IEEE PES General Meeting | Conference & Exposition, IEEE, National Harbor, MD, USA, pp. 1-5.

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Abstract

Significant increase in installation of rooftop Photovoltaic (PV) in the Low-Voltage (LV) residential distribution network has resulted in over voltage problems. Moreover, increasing peak demand creates voltage dip problems and make voltage profile even worse. Utilizing the reactive power capability of PV inverter (RCPVI) can improve the voltage profile to some extent. Resistive caharcteristic (higher R/X ratio) limits the effectiveness of reactive power to provide voltage support in distribution network. Battery Energy Storage (BES), whereas, can store the excess PV generation during high solar insolation time and supply the stored energy back to the grid during peak demand. A coordinated algorithm is developed in this paper to use the reactive capability of PV inverter and BES with droop control. Proposed algorithm is capable to cater the severe voltage violation problem using RCPVI and BES. A signal flow is also mentioned in this research work to ensure smooth communication between all the equipments. Finally the developed algorithm is validated in a test distribution network.

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ID Code: 78810
Item Type: Conference Paper
Refereed: Yes
Keywords: Photo Voltaic (PV), Batteries, Reactive power, Voltage control, Low Voltage Distribution Network
DOI: 10.1109/PESGM.2014.6939053
ISBN: 9781479964154
Subjects: Australian and New Zealand Standard Research Classification > ENGINEERING (090000) > ELECTRICAL AND ELECTRONIC ENGINEERING (090600) > Renewable Power and Energy Systems Engineering (excl. Solar Cells) (090608)
Divisions: Current > Schools > School of Electrical Engineering & Computer Science
Current > QUT Faculties and Divisions > Science & Engineering Faculty
Copyright Owner: Copyright 2014 IEEE
Deposited On: 19 Nov 2014 22:27
Last Modified: 21 Nov 2014 03:40

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