Abstract

A 60-cell photovoltaic (PV) module was analyzed by optimizing the interconnection parameters of the solar cells to enhance the efficiency and increase the power of the PV module setup. The cell-to-module (CTM) losses and gains varied substantially during the various simulation iterations. Optimization was performed to inspect and augment the gain and loss parameters for the 60-cell PV module. The power and efficiency of the module were improved by refining several parameters, such as number of busbars, size of the contact pads, interconnected ribbon width, thickness of the core, and distance between the solar cells and strings, to obtain the maximum efficiency of 21.09%; the CTM efficiency achieved was 94.19% for the proposed strategy related to the common interconnection setup of the ribbon-based system. The CTM efficiency was improved by optimizing the geometrical, optical, and electrical parameters precisely, the power enhancement was up to 325.3 W, and a CTM power of 99.1% was achieved from a standard PV module with rectangular ribbon interconnections.

Highlights

  • Published: 5 February 2022The integration of solar cells into photovoltaic (PV) modules increases the efficiency and power, thereby enhancing the overall output of the system

  • The efficiency of the standard module was increased from 18.67% to 21.09%

  • Simulations were performed to evaluate the conventional approach of CTM losses and gains by developing optimized models for the interconnection parameters affecting the cell efficiency and power

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Summary

Introduction

The integration of solar cells into photovoltaic (PV) modules increases the efficiency and power, thereby enhancing the overall output of the system. A comprehensive paradigm for the computation of the efficiencies and power was simulated using the following properties of the available materials, specific setup of the module, and CTM gain. SmartCalc.CTM was used for the optimized calculation of the CTM efficiency and power This software is incorporated by Fraunhofer ISE [8] and is the latest tool for adaptable, accurate, and comprehensible computation [9,10]

Conventional Design for Cell-to-Module Ratio Calculation
CTM Definition
CTM Simulation Gain and Loss Mechanisms
Modelling of the Solar Cell
CTM Simulation Input Parameter Setup
CTM Optimization
CTM Efficiency Optimization
CTM simulation
CTM Efficiency Comparison of Optimized and Standard Modules
CTM Power Comparison of Optimized and Standard Modules
Solar Cell Parameter Optimization for Efficiency Enhancement
Solar Cell Parameter Optimization for Power Improvement
Findings
Conclusions

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