Çok-Fazlı Çok-Girişli Bir Dönüştürücü ile Yakıt Hücresi/Batarya/Ultra-kapasitör Hibrit Güç Sisteminin Bulanık Mantık Temelli Yönetimi

Abstract

Yakıt Hücresi (YH) temelli elektrikli araçlar (EA’lar) ulaşım sektöründen kaynaklanan karbon ayak izini düşürmek için gelecek vadetmektedir. YH’leri hidrojen ve oksijenden elektrik üreten çevre dostu sistemlerdir. Maalesef, YH’leri elektrikli araçların yüksek güç yoğunluğu gereksinimlerine tek başlarına cevap verme konusunda yetersiz kalmaktadır. Bu yüzden, bu makale elektrikli araç uygulamaları için bir YH/batarya/ultra-kapasitör (UK) hibrit güç sistemi (HGS) sunmaktadır. Bu çalışmada, güç dönüşümü kompakt ve verimli bir HGS oluşturmak için çok-fazlı ve çok-girişli bir adet dc-dc dönüştürücü aracılığıyla gerçekleştirilmektedir. Dönüştürücünün analizinden sonra, YH ve bataryanın güç değişim hızlarını sınırlamak ve UK gerilimini ayarlamak için bir bulanık mantık temelli enerji yönetim stratejisi (EYS) geliştirilmektedir. En sonunda, geliştirilen EYS, dönüştürücünün ve kaynakların benzetim modelleri yardımıyla değerlendirilmektedir. 

Keywords

• Yakıt hücreli elektrikli araç
• Batarya
• Ultra-kapasitör
• Çok-fazlı çok girişli dönüştürücü

Fuzzy Logic Based Control of a Fuel Cell/Battery/Ultra-capacitor Hybrid Power System via a Multi-Phase Multi-Input Converter

Abstract

Fuel-cell (FC) based electric vehicles (EVs) are promising to reduce the carbon footprint due to the transportation sector. FCs are environmentally friendly systems that generate electricity from hydrogen and oxygen. Unfortunately, FCs solely fail to meet the high power density requirements of EVs. Therefore, this paper presents a FC/battery/ultra-capacitor (UC) hybrid power system (HPS) for electric vehicle applications. In this work, the power conversion is realized employing a single dc-dc converter which is a multi-phase multi-input converter to offer a compact and efficient HPS. After analyzing the converter, a fuzzy-logic-based energy management strategy (EMS) is developed to limit the rate of change of FC and battery power levels and regulate the voltage of UC. Finally, the offered EMS has been evaluated thanks to simulation models of the converter and sources.

Keywords

• Fuel-cell electric vehicles
• Battery
• Ultra-capacitor
• Multi-phase multi-input converter

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