Closed-Loop Design for Standalone Photovoltaic-Battery Hybrid Power System

Xiong Xiaoling

doi:doi:10.11648/j.jeee.20160405.17

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Closed-Loop Design for Standalone Photovoltaic-Battery Hybrid Power System

Xiong Xiaoling

Published in Journal of Electrical and Electronic Engineering (Volume 4, Issue 5)

Received: 22 November 2016 Published: 24 November 2016

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Abstract

The photovoltaic-battery hybrid power system is constructed with photovoltaic panels and a battery, which are connected to the load via a boost converter and a bidirectional buck/boost converter, respectively. Depending on the amount of available solar power, the photovoltaic panels may operate in a maximum power point tracking (MPPT) mode or off-MPPT mode to regulate the output voltage, and at the same time, the battery may provide power to the load or store energy from the solar power. The whole system is thus designed to operate with multiple operating modes. Compared to the system of single operating mode, the stability analysis and closed-loop design is much more difficult, as the control loops are usually coupled with each other and the design for stable operation of such system requires consideration of the stability conditions for all possible operating modes. To design the closed-loop, the commonly used small-signal analysis method based on averaged state-space is helpless here, and then the nonlinear analysis method with discrete-time mapping model is performed to evaluate the stability boundaries of the system. The parameters of the closed-loop are chosen in the stable region of the stability boundary diagrams. Moreover, a prototype is built and the experimental results are shown to verify the nonlinear analysis method in the design of closed-loop.

Published in	Journal of Electrical and Electronic Engineering (Volume 4, Issue 5)
DOI	10.11648/j.jeee.20160405.17
Page(s)	131-138
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), 2016. Published by Science Publishing Group

Keywords

Renewable Power Generation System, Photovoltaic Panels, Multiple Operating Modes, Nonlinear Analysis, Closed-Loop, Stability

References

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[2]	Giraud F, Salameh Z M, “Steady-state performance of a grid-connected rooftop hybrid wind- photovoltaic power system with battery storage,” IEEE Trans on Energy Conversion, 2001, 16(1): 1–7.
[3]	Rahman S, Tam K, “Feasibility study of photovoltaic-fuel cell hybrid energy system,” IEEE Trans on Energy Conversion, 1998, 3(1): 50–55.
[4]	Nehrir M H, Wang C, Strunz, Aki H, Ramakumar R, Bing J, Miao Z, Salameh Z, “A review of hybrid renewable/alternative energy systems for electric power generation: Configurations, control, and applications,” IEEE Trans on Sustainable Energy, 2011, 2(4): 392–403.
[5]	She X, Huang A Q, Lukic S, et al, “On integration of solid-state transformer with zonal DC microgrid,” IEEE Trans. on Smart Grid，2012, 3(2): 975-985.
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[9]	C. Zhao, S. D. Round, and J. W. Kolar, “An isolated three-port bidirectional DC-DC converter with decoupled power flow management,” IEEE Trans. Power Electron., vol. 23, no. 5, pp. 2443–2453, Sept. 2008.
[10]	Li Y, Ruan X, Yang D, Liu F, “Modeling, analysis and design for hybrid power systems with dual-input dc-dc converter,” Proc. IEEE Energy Conversion Congress and Exposition (ECCE), 2009: 3203–3210.
[11]	X. Zhang, X. Ruan, and C. K. Tse, “Impedance-based local stability criterion for DC distributed power systems,” IEEE Trans. Circ. Syst. I:Reg. Papers, vol. 62, no. 3, pp. 916–925, March 2015.
[12]	C. Wan, M. Huang, C. K. Tse and X. Ruan, “Effects of interaction of power converters coupled via power grid: a design-oriented study,” IEEE Trans. Power Electron., vol. 30, no. 7, pp. 3589–3600, July 2015.
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[14]	Liu D W, Li H, Marlino L D, “Design of a 6 kW multiple-input bi-directional dc/dc converter with decoupled current sharing control for hybrid energy storage elements,”Proc. IEEE Applied Power Electronics Conference and Exposition (APEC),2007: 509-513.
[15]	X. Xiong, C. K. Tse, and X. Ruan, “Bifurcation analysis of standalonephotovoltaic-battery hybrid power system,” IEEE Trans. Circ. Syst. I:Reg. Papers, vol. 60, no. 5, pp. 1354–1365, May 2013.
[16]	C. K. Tse, Complex Behavior of Switching Power Converters. BocaRaton: CRC Press, 2003.
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APA Style

Xiong Xiaoling. (2016). Closed-Loop Design for Standalone Photovoltaic-Battery Hybrid Power System. Journal of Electrical and Electronic Engineering, 4(5), 131-138. https://doi.org/10.11648/j.jeee.20160405.17

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ACS Style

Xiong Xiaoling. Closed-Loop Design for Standalone Photovoltaic-Battery Hybrid Power System. J. Electr. Electron. Eng. 2016, 4(5), 131-138. doi: 10.11648/j.jeee.20160405.17

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AMA Style

Xiong Xiaoling. Closed-Loop Design for Standalone Photovoltaic-Battery Hybrid Power System. J Electr Electron Eng. 2016;4(5):131-138. doi: 10.11648/j.jeee.20160405.17

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@article{10.11648/j.jeee.20160405.17,
  author = {Xiong Xiaoling},
  title = {Closed-Loop Design for Standalone Photovoltaic-Battery Hybrid Power System},
  journal = {Journal of Electrical and Electronic Engineering},
  volume = {4},
  number = {5},
  pages = {131-138},
  doi = {10.11648/j.jeee.20160405.17},
  url = {https://doi.org/10.11648/j.jeee.20160405.17},
  eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.jeee.20160405.17},
  abstract = {The photovoltaic-battery hybrid power system is constructed with photovoltaic panels and a battery, which are connected to the load via a boost converter and a bidirectional buck/boost converter, respectively. Depending on the amount of available solar power, the photovoltaic panels may operate in a maximum power point tracking (MPPT) mode or off-MPPT mode to regulate the output voltage, and at the same time, the battery may provide power to the load or store energy from the solar power. The whole system is thus designed to operate with multiple operating modes. Compared to the system of single operating mode, the stability analysis and closed-loop design is much more difficult, as the control loops are usually coupled with each other and the design for stable operation of such system requires consideration of the stability conditions for all possible operating modes. To design the closed-loop, the commonly used small-signal analysis method based on averaged state-space is helpless here, and then the nonlinear analysis method with discrete-time mapping model is performed to evaluate the stability boundaries of the system. The parameters of the closed-loop are chosen in the stable region of the stability boundary diagrams. Moreover, a prototype is built and the experimental results are shown to verify the nonlinear analysis method in the design of closed-loop.},
 year = {2016}
}

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TY  - JOUR
T1  - Closed-Loop Design for Standalone Photovoltaic-Battery Hybrid Power System
AU  - Xiong Xiaoling
Y1  - 2016/11/24
PY  - 2016
N1  - https://doi.org/10.11648/j.jeee.20160405.17
DO  - 10.11648/j.jeee.20160405.17
T2  - Journal of Electrical and Electronic Engineering
JF  - Journal of Electrical and Electronic Engineering
JO  - Journal of Electrical and Electronic Engineering
SP  - 131
EP  - 138
PB  - Science Publishing Group
SN  - 2329-1605
UR  - https://doi.org/10.11648/j.jeee.20160405.17
AB  - The photovoltaic-battery hybrid power system is constructed with photovoltaic panels and a battery, which are connected to the load via a boost converter and a bidirectional buck/boost converter, respectively. Depending on the amount of available solar power, the photovoltaic panels may operate in a maximum power point tracking (MPPT) mode or off-MPPT mode to regulate the output voltage, and at the same time, the battery may provide power to the load or store energy from the solar power. The whole system is thus designed to operate with multiple operating modes. Compared to the system of single operating mode, the stability analysis and closed-loop design is much more difficult, as the control loops are usually coupled with each other and the design for stable operation of such system requires consideration of the stability conditions for all possible operating modes. To design the closed-loop, the commonly used small-signal analysis method based on averaged state-space is helpless here, and then the nonlinear analysis method with discrete-time mapping model is performed to evaluate the stability boundaries of the system. The parameters of the closed-loop are chosen in the stable region of the stability boundary diagrams. Moreover, a prototype is built and the experimental results are shown to verify the nonlinear analysis method in the design of closed-loop.
VL  - 4
IS  - 5
ER  -

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Author Information

Xiong Xiaoling

State Key Laboratory of Alternate Electrical Power System with Renewable Energy Sources (North China Electric Power University), Beijing, China

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Plain Text BibTeX RIS

APA Style

Xiong Xiaoling. (2016). Closed-Loop Design for Standalone Photovoltaic-Battery Hybrid Power System. Journal of Electrical and Electronic Engineering, 4(5), 131-138. https://doi.org/10.11648/j.jeee.20160405.17

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ACS Style

Xiong Xiaoling. Closed-Loop Design for Standalone Photovoltaic-Battery Hybrid Power System. J. Electr. Electron. Eng. 2016, 4(5), 131-138. doi: 10.11648/j.jeee.20160405.17

Copy | Download

AMA Style

Xiong Xiaoling. Closed-Loop Design for Standalone Photovoltaic-Battery Hybrid Power System. J Electr Electron Eng. 2016;4(5):131-138. doi: 10.11648/j.jeee.20160405.17

Copy | Download

@article{10.11648/j.jeee.20160405.17,
  author = {Xiong Xiaoling},
  title = {Closed-Loop Design for Standalone Photovoltaic-Battery Hybrid Power System},
  journal = {Journal of Electrical and Electronic Engineering},
  volume = {4},
  number = {5},
  pages = {131-138},
  doi = {10.11648/j.jeee.20160405.17},
  url = {https://doi.org/10.11648/j.jeee.20160405.17},
  eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.jeee.20160405.17},
  abstract = {The photovoltaic-battery hybrid power system is constructed with photovoltaic panels and a battery, which are connected to the load via a boost converter and a bidirectional buck/boost converter, respectively. Depending on the amount of available solar power, the photovoltaic panels may operate in a maximum power point tracking (MPPT) mode or off-MPPT mode to regulate the output voltage, and at the same time, the battery may provide power to the load or store energy from the solar power. The whole system is thus designed to operate with multiple operating modes. Compared to the system of single operating mode, the stability analysis and closed-loop design is much more difficult, as the control loops are usually coupled with each other and the design for stable operation of such system requires consideration of the stability conditions for all possible operating modes. To design the closed-loop, the commonly used small-signal analysis method based on averaged state-space is helpless here, and then the nonlinear analysis method with discrete-time mapping model is performed to evaluate the stability boundaries of the system. The parameters of the closed-loop are chosen in the stable region of the stability boundary diagrams. Moreover, a prototype is built and the experimental results are shown to verify the nonlinear analysis method in the design of closed-loop.},
 year = {2016}
}

Copy | Download

TY  - JOUR
T1  - Closed-Loop Design for Standalone Photovoltaic-Battery Hybrid Power System
AU  - Xiong Xiaoling
Y1  - 2016/11/24
PY  - 2016
N1  - https://doi.org/10.11648/j.jeee.20160405.17
DO  - 10.11648/j.jeee.20160405.17
T2  - Journal of Electrical and Electronic Engineering
JF  - Journal of Electrical and Electronic Engineering
JO  - Journal of Electrical and Electronic Engineering
SP  - 131
EP  - 138
PB  - Science Publishing Group
SN  - 2329-1605
UR  - https://doi.org/10.11648/j.jeee.20160405.17
AB  - The photovoltaic-battery hybrid power system is constructed with photovoltaic panels and a battery, which are connected to the load via a boost converter and a bidirectional buck/boost converter, respectively. Depending on the amount of available solar power, the photovoltaic panels may operate in a maximum power point tracking (MPPT) mode or off-MPPT mode to regulate the output voltage, and at the same time, the battery may provide power to the load or store energy from the solar power. The whole system is thus designed to operate with multiple operating modes. Compared to the system of single operating mode, the stability analysis and closed-loop design is much more difficult, as the control loops are usually coupled with each other and the design for stable operation of such system requires consideration of the stability conditions for all possible operating modes. To design the closed-loop, the commonly used small-signal analysis method based on averaged state-space is helpless here, and then the nonlinear analysis method with discrete-time mapping model is performed to evaluate the stability boundaries of the system. The parameters of the closed-loop are chosen in the stable region of the stability boundary diagrams. Moreover, a prototype is built and the experimental results are shown to verify the nonlinear analysis method in the design of closed-loop.
VL  - 4
IS  - 5
ER  -

Copy | Download