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Design of a Unified Power Quality Conditioner (UPQC)

Journal Name:

  • International Journal of Science and Engineering Investigations

Publication Year:

  • 2016

Key Words:

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Abstract (2. Language): 
Sagging and swelling of line voltage and harmonic currents are two major problems of power quality. The communication, microcontroller and microprocessor based industry is much more affected by power quality (PQ) problems as their requirement for working and stability is compromised without high quality of power. By mitigation of voltage and current such problems of power quality can be reduced. For optimization and control of power quality in electrical power distribution system, The Unified Power Quality Conditioner (UPQC) is the most complex and versatile power electronic equipment to enhance the power quality of system. This paper presents improvement of power quality through a UPQC placed at load side. The proposed UPQC is integration of shunt and series converters. The series converter can compensate voltage fluctuation in the ac source due fault. Also, it can be used to regulate voltage sag and the under voltage situations. On the other hand, the shunt converter can compensate the current harmonic and improve the power factor. UPQC was simulated and demonstrated at 220V distribution level. Amount of active and reactive power of system can be controlled by installing the UPQC.
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REFERENCES

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International Journal of Science and Engineering Investigations, Volume 5, Issue 59, December 2016 97
www.IJSEI.com Paper ISSN: 2251-8843 ID: 55916-11
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