Abstract

This paper presents the design and the development of multi-string I-V curve tracer for photovoltaic (PV) strings. It uses a capacitive load and double pole relay to measure the I-V characteristics of a multiple PV strings simultaneously. The prototype is developed using a PIC18F4550 micro-controller and a graphical user interface GUI designed using Microsoft’s Visual Studio software. The I-V characteristics of the PV string are displayed on LCD (Liquid Crystal Display) and computer. The performance and functionality of the proposed I-V curve tracer have been tested using four PV strings. The experimental test shows that the proposed I-V tracer can measure and display the I-V characteristic of each PV string smoothly in the normal and shading conditions.

Details

Title
A Multi-String Photovoltaic Current-Voltage (I-V) Curve Tracer
Author
Rivai, A 1 ; Erixno, O 2 ; Rahim, N A 1 ; Elias, M F M 1 ; Jamaludin, J 1 ; Ramadhani, F 2 

 UM Power Energy Dedicated Advanced Centre (UMPEDAC), Universiti Malaya , Kuala Lumpur, Malaysia 
 Energy systems engineering program, School of Electrical Engineering, Telkom University , Bandung, Indonesia; Centre of Excellent Sustainable Energy and Climate Change, Telkom university , Bandung, Indonesia 
First page
012001
Publication year
2025
Publication date
Feb 2025
Publisher
IOP Publishing
ISSN
17426588
e-ISSN
17426596
Source type
Scholarly Journal
Language of publication
English
ProQuest document ID
3168381125
Copyright
Published under licence by IOP Publishing Ltd. This work is published under https://creativecommons.org/licenses/by/4.0/ (the “License”). Notwithstanding the ProQuest Terms and Conditions, you may use this content in accordance with the terms of the License.