Değişen Çevresel Koşullar İçin Üç MGNT Algoritmasının Deneysel Doğrulaması ve Karşılaştırmalı Analizi

Öz

Bu çalışma ile güneş dizi simülatörü (Solar Array Simulator, SAS) aracılığıyla oluşturulan üç farklı ortamda; değiştir ve gözle (Perturb and Observe, P&O), artımlı iletkenlik (Incremental Conductance, IC) ve bulanık mantık denetleyicisi (Fuzzy Logic Controller, FLC) tekniklerini temel alan maksimum güç noktası takibi (Maksimum Power Point Tracking, MPPT) algoritmalarının uygulamalı olarak performans analizleri yapılmıştır. Bu amaca yönelik olarak BK Precision firmasının güneş dizi simülatörü üzerinden sıcaklık (T) ve güneş ışımasının (G) zamana göre değişim gösterdiği 3 farklı ortam senaryosu oluşturulmuştur. Belirtilen MGNT algoritmaları bu ortamlarda ayrı ayrı çalıştırılarak performans analizleri yapılmıştır. Çalışma kapsamında yük olarak 500 W’lık omik yük (serpantinli rezistans) kullanılmış ve güneş dizi simülatöründen yüke olan güç aktarımı DA-DA (Doğru Akım, DA) yükselten (Boost, step-up) dönüştürücü üzerinden yapılmıştır. Dönüştürücünün kontrolü ve bahsedilen algoritmaların işletilmesi SMT firmasının geliştirme kartı olan Nucleo 32F103RB üzerinden yapılmış ve elde edilen sonuçlar tartışılmıştır.

Anahtar Kelimeler

• MGNT algoritması
• FV Panel
• DA-DA Dönüştürücü

Experimental Verification And Comparative Analysis Of Three MPPT Algorithms For Varying Environmental Conditions

Abstract

In this study, in 3 different environments created by solar array simulator (SAS); Performance analyzes of maximum power point tracking (MPPT) algorithms based on Perturb & Observe (P&O), Incremental Conductance (IC) and Fuzzy Logic Controller (FLC) techniques have been carried out. For this purpose, 3 different environment scenarios in which temperature (T) and solar radiation (G) change according to time were created on the solar array simulator of BK Precision company. Performance analyzes were made by running the specified MPPT algorithms separately in these environments. Within the scope of the study, a 500 W ohmic load was used and the power transfer from the solar array simulator to the load was made via the DC-DC Boost converter. The control of the converter and the operation of the mentioned algorithms were made on the Nucleo 32F103RB, the development board of SMT company, and the results were discussed.

Keywords

• MPPT Algorithms
• PV Panel
• DC-DC Converter

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