TY - GEN
T1 - Procedure to match the dynamic response of MPPT and droop-controlled microinverters
AU - Godoy, Ruben B.
AU - Bizarro, Douglas B.
AU - De Andrade, Elvey T.
AU - Soares, Jurandir De O.
AU - Ribeiro, Pedro E.
AU - Kimpara, Marcio L.M.
AU - Carniato, Leonardo A.
AU - Pinto, Joao O.P.
AU - Al-Haddad, Kamal
AU - Canesin, Carlos A.
N1 - Publisher Copyright:
© 2015 IEEE.
PY - 2015/10/27
Y1 - 2015/10/27
N2 - Photovoltaic systems require the implementation of maximum power point tracking (MPPT) algorithms to maximize power extracted from these systems. However, the application of such algorithms in grid-connected droop-controlled systems is hampered by differences in the dynamic responses of the respective techniques. In this context, this study presents the development of a strategy that enables a push-pull converter controlled by MPPT and a low power plug and play grid-connected inverter governed by droop-control to operate stably even under variations in solar radiation and without any battery storage bank. The goal is achieved based on two approaches: i) designing the DC link capacitor properly; ii) using a control loop in order to adapt the droop curves in accordance with the available input power. Theoretical analysis and experimental results have proven the viability of the approach.
AB - Photovoltaic systems require the implementation of maximum power point tracking (MPPT) algorithms to maximize power extracted from these systems. However, the application of such algorithms in grid-connected droop-controlled systems is hampered by differences in the dynamic responses of the respective techniques. In this context, this study presents the development of a strategy that enables a push-pull converter controlled by MPPT and a low power plug and play grid-connected inverter governed by droop-control to operate stably even under variations in solar radiation and without any battery storage bank. The goal is achieved based on two approaches: i) designing the DC link capacitor properly; ii) using a control loop in order to adapt the droop curves in accordance with the available input power. Theoretical analysis and experimental results have proven the viability of the approach.
KW - capacitor sizing
KW - droop-controlled inverters
KW - photovoltaic systems
UR - http://www.scopus.com/inward/record.url?scp=84963626888&partnerID=8YFLogxK
U2 - 10.1109/ECCE.2015.7310251
DO - 10.1109/ECCE.2015.7310251
M3 - Conference contribution
AN - SCOPUS:84963626888
T3 - 2015 IEEE Energy Conversion Congress and Exposition, ECCE 2015
SP - 4188
EP - 4193
BT - 2015 IEEE Energy Conversion Congress and Exposition, ECCE 2015
PB - Institute of Electrical and Electronics Engineers Inc.
T2 - 7th Annual IEEE Energy Conversion Congress and Exposition, ECCE 2015
Y2 - 20 September 2015 through 24 September 2015
ER -