Modeling and coordinate control of photovoltaic DC building module based BIPV system |
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| Authors: | Bangyin Liu Shanxu Duan Tao Cai |
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| Affiliation: | 1. Dept. of Electrical Power Engineering and Mechatronics, Tallinn University of Technology, Ehitajate tee 5, 19086 Tallinn, Estonia;2. Dept. of Energy Technology, Aalborg University, Pontoppidanstræde 101, 9220 Aalborg, Denmark;3. Dept. of Electronics Engineering, Universidad Técnica Federico Santa María, Av. España 1680, Valparaíso, Chile;1. Photovoltaic Materials and Device Laboratory, Department of Physics, Faculty of Sciences, Mugla S?tk? Kocman University, 48120 Mugla, Turkey;2. Clean Energy Research & Development Centre, Mugla S?tk? Kocman University, 48120 Mugla, Turkey;3. Graduate School of Natural and Applied Sciences, Mugla S?tk? Kocman University, 48100 Mugla, Turkey;1. Zuyd University of Applied Sciences, Nieuw Eyckholt 300, 6419 DJ Heerlen, The Netherlands;2. Department of the Built Environment, Eindhoven University of Technology, De Wielen, 5600 MA Eindhoven, The Netherlands;3. TNO, Stieltjesweg 1, 2628 CK Delft, The Netherlands;4. SBS, Wollenbergstraat 37, 5581 HH Waalre, The Netherlands |
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| Abstract: | This paper presents the modeling method and coordinate control strategy for photovoltaic dc building module (PV-DCBM) based building integrated photovoltaic (BIPV) system. The PV-DCBM based BIPV system consists of plenty of PV-DCBMs and a centralized inverter which are coupled to the common dc bus in parallel. Each PV-DCBM is integrated with a PV building material to extract maximum power from it and then a centralized inverter is used to transfer the power to the grid. The PV-DCBM based BIPV system has some significant advantages for building integrated applications, such as individual MPPT, inherent data monitor, low cost and excellent expandability. A coordinate control strategy based on energy balance of the PV-DCBM based BIPV system is proposed to realize the individual control for each PV-DCBM and the centralized inverter. The accurate small-signal model of the PV-DCBM based BIPV system is built based on the proposed operation principle and a detailed design approach of the coordinate controller is proposed. Experimental results on the laboratory prototype verify the validity of the proposed modeling and coordinate control method. |
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