Multi-PV technologies method for parameters estimation of two-diode model Souhir Sallem, Amal Marrekchi, Soulaymen Kammoun and Mohamed Ben Ali Kammoun Eur. Phys. J. Plus, 131 12 (2016) 418 Published online: 02 December 2016 DOI: 10.1140/epjp/i2016-16418-6