TY - GEN
T1 - Eliminating the Problem of Trapping in Local Maximum Power Point under Partial Shading Conditions for PV System
AU - Lin, Chang Hua
AU - Liu, Hwa Dong
AU - Wang, Chien Ming
N1 - Funding Information:
The financial support of this work was sponsored by the Taiwan Building Technology Center from The Featured Areas Research Center Program within the framework of the Higher Education Sprout Project by the Ministry of Education in Taiwan. This work was also financially supported by the Ministry of Science and Technology, Taiwan, R.O.C. Project number: MOST 106-2221-E-011-094-MY3.
Publisher Copyright:
© 2019 IEEE.
PY - 2019/11
Y1 - 2019/11
N2 - This study realizes a new solar-power generation system that can complete the global maximum power point tracking (GMPPT) control under uniform irradiation and partial shading conditions (UIC and PSC, respectively). The MCU of the proposed system calculates the IGMPP of the photovoltaic (PV) module to accurately execute GMPPT on the basis of the PV module current (Ipv), power (Ppv) and temperature trend line slope (dIpv/dPpv). The microcontroller unit can then confirm whether the PV module suffers from shading according to the slope (dIpv/dPpv) and immediately executes the PSC mode control strategy to calculate the VGMPP of the PV module, thereby accurately tracking the GMPP. The proposed algorithm is compared with the existing methods. Such model is then practically experimented from the irradiance levels of 1000 W/m2 and under PSC. Experimental results confirm that the performance of the algorithm is better than those of the traditional hill-climbing algorithm and perturbation and observation methods.
AB - This study realizes a new solar-power generation system that can complete the global maximum power point tracking (GMPPT) control under uniform irradiation and partial shading conditions (UIC and PSC, respectively). The MCU of the proposed system calculates the IGMPP of the photovoltaic (PV) module to accurately execute GMPPT on the basis of the PV module current (Ipv), power (Ppv) and temperature trend line slope (dIpv/dPpv). The microcontroller unit can then confirm whether the PV module suffers from shading according to the slope (dIpv/dPpv) and immediately executes the PSC mode control strategy to calculate the VGMPP of the PV module, thereby accurately tracking the GMPP. The proposed algorithm is compared with the existing methods. Such model is then practically experimented from the irradiance levels of 1000 W/m2 and under PSC. Experimental results confirm that the performance of the algorithm is better than those of the traditional hill-climbing algorithm and perturbation and observation methods.
KW - MCU
KW - global maximum power point tracking
KW - partial shading condition
UR - http://www.scopus.com/inward/record.url?scp=85082393944&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=85082393944&partnerID=8YFLogxK
U2 - 10.1109/IFEEC47410.2019.9015150
DO - 10.1109/IFEEC47410.2019.9015150
M3 - Conference contribution
AN - SCOPUS:85082393944
T3 - 2019 IEEE 4th International Future Energy Electronics Conference, IFEEC 2019
BT - 2019 IEEE 4th International Future Energy Electronics Conference, IFEEC 2019
PB - Institute of Electrical and Electronics Engineers Inc.
T2 - 4th IEEE International Future Energy Electronics Conference, IFEEC 2019
Y2 - 25 November 2019 through 28 November 2019
ER -
