Comparative Reliability Assessment of Hybrid Si/SiC and Conventional Si Power Module Based PV Inverter Considering Mission Profile of India and Denmark Locations

Sainadh Singh Kshatri, Javed Dhillon, Sachin Mishra, Ali Torabi Haghighi, Julian David Hunt and Epari Ritesh Patro ()
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Sainadh Singh Kshatri: Department of Electrical and Electronics Engineering, B V Raju Institute of Technology, Narsapur 502313, Telangana, India
Javed Dhillon: School of Electronics and Electrical Engineering, Lovely Professional University, Phagwara 144411, Punjab, India
Sachin Mishra: School of Electronics and Electrical Engineering, Lovely Professional University, Phagwara 144411, Punjab, India
Ali Torabi Haghighi: Water, Energy, and Environmental Engineering Research Unit, University of Oulu, P.O. Box 4300, FIN-90014 Oulu, Finland
Julian David Hunt: International Institute for Applied Systems Analysis (IIASA), Schlossplatz 1, A-2361 Laxenburg, Austria
Epari Ritesh Patro: Water, Energy, and Environmental Engineering Research Unit, University of Oulu, P.O. Box 4300, FIN-90014 Oulu, Finland

Energies, 2022, vol. 15, issue 22, 1-13

Abstract: Energy harnessing from renewable energy sources has become more flexible with power electronic technologies. Recent advancements in power electronic technologies achieve converter efficiency higher than 98%. Today, reliable power electronic devices are needed to design a PV-based energy converter (inverter) to reduce the risk of failure and maintenance costs during operation. Wide-bandgap SiC devices are becoming more common in power electronic converters. These devices are designed to reduce switching loss and improve the efficiency of the system. Nevertheless, the cost of SiC devices is a major concern. Hence, to improve the reliability of the PV inverter while considering the economic aspects, this paper develops a highly reliable PV inverter with a hybrid Si/SiC power module that consists of a Si-IGBT with a SiC anti-parallel diode. A test case of a 3 kW PV inverter is considered for reliability analysis. The loading of the PV inverter is done under uncertain environmental conditions by considering the yearly Mission Profile (MP) data related to Ambient Temperature (AT) and Solar Irradiance (SI) at the India and Denmark locations. The effectiveness of the proposed hybrid Si/SiC power module is tested by comparing it with a conventional IGBT power module. The results showcase the marked improvement in PV inverter reliability with the proposed hybrid power module.

Keywords: mission profile; Si/SiC-IGBT; Photovoltaic (PV) Inverter; Junction Temperature (T j ) (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2022
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