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2012 (Vol. 4, Issue: 06)
Article Information:

Investigation of Energy Storage Devices Impact on Improvement of Power Quality Aspects

F. Gharedaghi, M. Deysi, H. Jamali and A. Khalili
Corresponding Author:  F. Gharedaghi 

Key words:  BESS, power quality, SMES, STATCOM, , ,
Vol. 4 , (06): 571-580
Submitted Accepted Published
2011 September, 23 2011 October, 16 2012 March, 15

Energy production and storage are in the midst of some major changes. During the past decade, energy production and storage have become a high priority for business and government because of concerns relating to the environment and sustainability of energy sources. The power quality problems that have occurred on the existing, aging system will continue to worsen as intermittent, renewable energy systems are added. Fastacting energy storage is required to help combat this problem. Among the many FACTS devices which can improve the power system operation and power quality problems, Static Compensator (STATCOM) and Unified Power Flow Controller (UPFC) are of the most promising new FACTS technologies. Both of these devices utilize capacitors as the dc bus. Since capacitors are passive elements with very limited energy storage, they cannot provide controllable real power for extended period. This paper investigates the impact of integrating a Battery Energy Storage System (BESS) and/or a Superconducting Magnetic Energy Storage (SMES) across the dc bus of STATCOM. This will allow fast control of both real and reactive power to improve power system transient stability and to provide extra damping against power system oscillation in a multi-area system linked by weak inter-connection. Comparative dynamic performances of these devices are presented in this study. A control strategy is proposed to integrate these devices to improve the active power management within the constraints of the power system to which the device is connected. The proposed controller based on hysterisis control ensures unity power factor and sinusoidal supply current irrespective of the variation in the load demand waveform and magnitude. Results from simulation studies using realistic model of the power electronic devices on the dynamic performance of these schemes will be presented.
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  Cite this Reference:
F. Gharedaghi, M. Deysi, H. Jamali and A. Khalili, 2012. Investigation of Energy Storage Devices Impact on Improvement of Power Quality Aspects.  Research Journal of Applied Sciences, Engineering and Technology, 4(06): 571-580.
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ISSN (Online):  2040-7467
ISSN (Print):   2040-7459
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