राष्ट्रीय प्रौद्योगिकी संस्थान राउरकेला
National Institute of Technology Rourkela

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Seminar Title
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Development and Power Quality Investigation of Various Direct Power Control Techniques for Three-phase Active Front-end Rectifier
Seminar Type
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Synopsis Seminar
Department
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Electrical Engineering
Speaker Type
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Student
Speaker Name
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Amit Kumar; Roll No: 512EE1012; PhD Research Scholar
Date  &  Time
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19 Jul 2018  4:30 PM
Venu
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Seminar Room (New EE Science Building): EE-205
Contact
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Prof. Subrata Karmakar,e-mail: karmakars@nitrkl.ac.in, Ph. No.:2411
Abstract
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Direct Power Control (DPC) is a good alternative to conventional Voltage Oriented Control (VOC)for three-phase active rectifiers.It has several features such as it does not require PI (current) controllers, direct control of active and reactive powers, fasterdynamics anddecoupled control. In this thesiswork, DPC techniques have been extensively studied, investigated, modified and proposed to achieve better power quality performance in terms of reduction in power ripples and THD content. The primary objective of this work is to introduce new DPC techniques to enhance the power quality performance without influencing its features. In this workAlgorithm based DPC (A-DPC), Nearest Vector Selection based DPC (NVS-DPC), Virtual flux Deadbeat Predictive DPC (DB-DPC) and Zero Direct Power Control (ZDPC) with Fractional order PI (DC-bus voltage) controller optimized by Teaching learning-based Optimization(TLBO) techniquesare introduced and enhanced power quality performance is obtained. All the techniques performance are well tested and verified in simulation as well as in experiments. The results obtained from the proposed techniques satisfy the IEEE standards 519-1992 of power quality.
 
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