Supercapacitor based PV measurement technique − quality assessment with poly-Si PV modules at IIEST, KolkataSudipta Basu Pal, Rahul Kumar, Konika Das Bhattacharya, Dipankar Mukherjee and Debkalyan PaulInt. J. Metrol. Qual. Eng., 10 (2019) 9DOI: https://doi.org/10.1051/ijmqe/2019007