A grid-connetected control system is proposed in this paper to regulate three-phase bidirectional DC/AC converters in distribution grid exploiting photovoltaic power generation and not having energy storage at the DC side. To interact power flow at two its sides, statbilize voltage at the DCbus and synchronize with the grid, it includes an inner current controller and an outer voltage controller in a cascaded structure. Using small signal modeling and information about voltage at the point of common coupling and DCbus, control parameters for controllers are determined to balance power between photovoltaic system side and grid side. Simulation results show that the grid-connected control system helps the three-phase bidirectional DC/AC converter meet all requirements very well due to the balance of power at its sides to hold voltage at DC side at a fixed value, grid synchronization and low harmonic distortion total for current and voltage waveforms. They also represents the capability to exploit maximum available power of photovoltaic power generation under any operational condition.
| Published in | American Journal of Engineering and Technology Management (Volume 2, Issue 6) |
| DOI | 10.11648/j.ajetm.20170206.15 |
| Page(s) | 98-107 |
| Creative Commons |
This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited. |
| Copyright |
Copyright © The Author(s), 2024. Published by Science Publishing Group |
Bidirectional DC/AC Converter, Grid-Connected Control, Photovoltaic power Generation, Synchoronization, Small Signal Model
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APA Style
Le Tien Phong, Do Trung Hai. (2017). Grid-Connected Control System for Three-Phase Bidirectional DC/AC Converter to Exploit Photovoltaic Power Generation. American Journal of Engineering and Technology Management, 2(6), 98-107. https://doi.org/10.11648/j.ajetm.20170206.15
ACS Style
Le Tien Phong; Do Trung Hai. Grid-Connected Control System for Three-Phase Bidirectional DC/AC Converter to Exploit Photovoltaic Power Generation. Am. J. Eng. Technol. Manag. 2017, 2(6), 98-107. doi: 10.11648/j.ajetm.20170206.15
AMA Style
Le Tien Phong, Do Trung Hai. Grid-Connected Control System for Three-Phase Bidirectional DC/AC Converter to Exploit Photovoltaic Power Generation. Am J Eng Technol Manag. 2017;2(6):98-107. doi: 10.11648/j.ajetm.20170206.15
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Download@article{10.11648/j.ajetm.20170206.15,
author = {Le Tien Phong and Do Trung Hai},
title = {Grid-Connected Control System for Three-Phase Bidirectional DC/AC Converter to Exploit Photovoltaic Power Generation},
journal = {American Journal of Engineering and Technology Management},
volume = {2},
number = {6},
pages = {98-107},
doi = {10.11648/j.ajetm.20170206.15},
url = {https://doi.org/10.11648/j.ajetm.20170206.15},
eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.ajetm.20170206.15},
abstract = {A grid-connetected control system is proposed in this paper to regulate three-phase bidirectional DC/AC converters in distribution grid exploiting photovoltaic power generation and not having energy storage at the DC side. To interact power flow at two its sides, statbilize voltage at the DCbus and synchronize with the grid, it includes an inner current controller and an outer voltage controller in a cascaded structure. Using small signal modeling and information about voltage at the point of common coupling and DCbus, control parameters for controllers are determined to balance power between photovoltaic system side and grid side. Simulation results show that the grid-connected control system helps the three-phase bidirectional DC/AC converter meet all requirements very well due to the balance of power at its sides to hold voltage at DC side at a fixed value, grid synchronization and low harmonic distortion total for current and voltage waveforms. They also represents the capability to exploit maximum available power of photovoltaic power generation under any operational condition.},
year = {2017}
}
TY - JOUR T1 - Grid-Connected Control System for Three-Phase Bidirectional DC/AC Converter to Exploit Photovoltaic Power Generation AU - Le Tien Phong AU - Do Trung Hai Y1 - 2017/12/20 PY - 2017 N1 - https://doi.org/10.11648/j.ajetm.20170206.15 DO - 10.11648/j.ajetm.20170206.15 T2 - American Journal of Engineering and Technology Management JF - American Journal of Engineering and Technology Management JO - American Journal of Engineering and Technology Management SP - 98 EP - 107 PB - Science Publishing Group SN - 2575-1441 UR - https://doi.org/10.11648/j.ajetm.20170206.15 AB - A grid-connetected control system is proposed in this paper to regulate three-phase bidirectional DC/AC converters in distribution grid exploiting photovoltaic power generation and not having energy storage at the DC side. To interact power flow at two its sides, statbilize voltage at the DCbus and synchronize with the grid, it includes an inner current controller and an outer voltage controller in a cascaded structure. Using small signal modeling and information about voltage at the point of common coupling and DCbus, control parameters for controllers are determined to balance power between photovoltaic system side and grid side. Simulation results show that the grid-connected control system helps the three-phase bidirectional DC/AC converter meet all requirements very well due to the balance of power at its sides to hold voltage at DC side at a fixed value, grid synchronization and low harmonic distortion total for current and voltage waveforms. They also represents the capability to exploit maximum available power of photovoltaic power generation under any operational condition. VL - 2 IS - 6 ER -
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