NDLI: Three-leg four-wire voltage source inverters for hybrid standalone system feeding unbalanced load

Content Provider	IEEE Xplore Digital Library
Author	Rezkallah, M. Chandra, A. Singh, B.
Copyright Year	2013
Description	Author affiliation: Dept. of Electr. Eng., Ecole de Technol. Super., Montréal, QC, Canada (Rezkallah, M.; Chandra, A.) \|\| Dept. of Electr. Eng., Indian Inst. of Technol. Delhi, New Delhi, India (Singh, B.)
Abstract	This paper presents a new design and control for HWDBS (Hybrid Wind-Diesel-Battery System) feeding three-phase four-wire local loads. The proposed system consists of two energy sources connected to the dc bus; a WT (Wind Turbine) and a DE (Diesel Engine) based on variable speed generators. The system utilizes two back-to-back connected converters and uncontrolled three-phase converter connected in cascade with dc-dc SEPIC converter. The system uses BESS (Battery Energy Storage System) placed at the dc bus to manage the exchange of power between the energy sources and the loads. The VSC (Voltage Source Converter) of WT side is controlled in order to achieve maximum power tracking by varying the rotor speed of the SCIG (Squirrel Cage Induction Generator). In order to improve the control performance and to reduce the cost of SCIG, the MRAS (Model Reference Adaptive System) speed observer based on stator voltage and currents is adopted. The DE is controlled in order to balance the power of the system by changing its speed according to the load power demand and to minimise the fuel consumption. DE is switch off when the WT power is greater than the load power demand. The main objective of the interfacing load side VSC is to achieve a constant voltage and frequency and to compensate unbalance using symmetrical components of the load currents. The proposed system is studied for various types of linear, nonlinear and dynamic loads and under varying wind speed conditions. The dynamic behavior of the proposed system is verified using MATLAB/SIMULINK.
Sponsorship	IEEE Ind. Electron. Soc.
Starting Page	1916
Ending Page	1921
File Size	715086
Page Count	6
File Format	PDF
ISBN	9781479902248
ISSN	1553572X
DOI	10.1109/IECON.2013.6699424
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2013-11-10
Publisher Place	Austria
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Rotors Batteries Generators Voltage control Load modeling Stators Power conversion Three-Leg Four-Wire Voltage Source Inverter Hybrid Wind-Diesel-Battery system Standalone system Renewable Energy Model Reference Adaptive System Speed Observer Maximum Power Tracking Variable Speed Diesel Generator
Content Type	Text
Resource Type	Article

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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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