A COMPARATIVE ANALYSIS OF GRID CONNECTED SOLAR PV SYSTEM USING DIFFERENT INVERTER TECHNOLOGIES

Author Name: 1 Abdul Hakeem Shaikh, 2 Arsalan Muhammad Soomar

Volume: 01 &  Issue:

Country: Pakistan

DOI NO.: 08.2020-25662434 DOI Link: http://www.doi-ds.org/doilink/02.2021-94139462/UIJIR

Affiliation:

1. ^1,2M.E (Post-graduation Student), Department of Electrical Engineering, Mehran University of Engineering and Technology Jamshoro, Pakistan

ABSTRACT

This paper presents a techno-economic comparison among three inverter technologies-based PV systems available in the market: string inverter, power optimizer and micro-inverter. Reliability, conversion efficiency, environmental impact and cost of a simulation-based test case 7.26 kW solar PV system for a residential property at longitude 41°28'22.6"N, Latitude 81°47'56.0"W are examined and differentiate using the three inverter technologies. The two scenarios are used to evaluate the performance of each configuration: partial shading and with no shade. The power optimizer and micro-inverter provide module-level MPPT which makes them more reliable and efficient with less conversion losses moreover; module-level monitoring can be performed in these two inverter configurations. A tabular comparison of energy harvested under partial shading and without shading and cost for three inverter technologies has been presented in the paper.

Key words: PV System, String Inverter, Power Optimizer, Microinverter and maximum power point tracking (MPPT)