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Title: Active/Reactive Power Control of PV Grid-tied NPC Inverter Using 3-D Space Vector Modulation in abc Coordinate
Authors: Dehghani Tafti, Hossein
Maswood, Ali Iftekhar
Roomi, Muhammad Musthafa
Keywords: NPC inverter
Photovoltaic systems
Active power control
Reactive power control
3-D space vector modulation
Issue Date: 2015
Source: Dehghani Tafti, H., Maswood, A. I., & Roomi, M. M. (2015). Active/Reactive Power Control of PV Grid-tied NPC Inverter Using 3-D Space Vector Modulation in abc Coordinate. 2015 IEEE Innovative Smart Grid Technologies - Asia (ISGT ASIA), 1-6.
Conference: 2015 IEEE Innovative Smart Grid Technologies - Asia (ISGT ASIA)
Abstract: Flexible active and reactive power injection to the grid is one of the requirements of medium-scale PV power plants (PVPP). Due to the high penetration of installed distributed generation (DG) units to the power system, the flexible active/reactive power control capability is necessary for medium-scale PVPPs in order to maintain the power quality and reliability of the power system. A three-dimensional space vector modulation (3-D SVM) in abc coordinate with combination of proportional-resonant (PR) controller is proposed for 4-wire NPC grid-connected inverter of the multi-string PVPP. The implementation of 3-D SVM in stationary coordinate (???? coordinate) for 4-wire multilevel inverters requires high computational complexity. However, in the proposed 3-D SVM which is implemented in abc coordinate, the computational complexity is decreased and flexible balanced/unbalanced active/reactive power injection capability is achieved. The performance of the proposed controller is investigated on the three-level neutral-point-clamped (NPC) inverter of a 10 kW grid-connected multi-string PVPP, which is considered as the state of the art for medium-scale PVPPs. Various operation conditions like partial shading of PV strings and balanced/unbalanced grid faults are implemented.
DOI: 10.1109/ISGT-Asia.2015.7387072
Schools: School of Electrical and Electronic Engineering 
Rights: © 2015 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works. The published version is available at: [].
Fulltext Permission: open
Fulltext Availability: With Fulltext
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