Volume 16, Issue 4 (December 2020)                   IJEEE 2020, 16(4): 505-512 | Back to browse issues page

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Bhat Nempu P, Sabhahit J N. A New Power Management Approach for PV-Wind-Fuel Cell Hybrid System in Hybrid AC-DC Microgrid Configuration. IJEEE. 2020; 16 (4) :505-512
URL: http://ijeee.iust.ac.ir/article-1-1795-en.html
Abstract:   (825 Views)
The hybrid AC-DC microgrid (HMG) architecture has the merits of both DC and AC coupled structures. Microgrids are subject to intermittence when the renewable sources are used. In the HMG, since power fluctuations occur on both subgrids due to varying load and unpredictable power generation from renewable sources, proper voltage and frequency regulation is the critical issue. This article proposes a unique method for operating a microgrid (MG) comprising of PV array, wind energy system (WES), fuel cell (FC), and battery in HMG configuration. The control scheme of the interlinking converter (ILC) regulates frequency, voltage, and power flow amongst the subgrids. Power management in the HMG is investigated under different scenarios. Proper power management is accomplished within the individual subgrids and among the subgrids by the control techniques adopted in the HMG. The system voltage and frequency deviations are found to be minimized when the FC system acts as the backup source for DC subgrid, reducing the power flow through the ILC.
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  • The hybrid AC-DC microgrid is the most dependable microgrid configuration as compared to DC and AC microgrids as it reduces multiple power conversions for the user and offers better power quality and reliability.
  • In this article, the power management of a hybrid power system involving PV array, wind system, and fuel cell with battery is investigated in hybrid AC-DC microgrid architecture.
  • The virtues and shortcomings of operating the system in the proposed configuration are evaluated under different scenarios.

Type of Study: Research Paper | Subject: Power Electronics Applications
Received: 2020/01/28 | Revised: 2020/03/18 | Accepted: 2020/04/10

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© 2021 by the authors. Licensee IUST, Tehran, Iran. This is an open access journal distributed under the terms and conditions of the Creative Commons Attribution-NonCommercial 4.0 International (CC BY-NC 4.0) license.