Tam elektrikli araçlar için özgün bir enerji yönetim sistemi uygulaması

Tam Elektrikli Araçlar (TEA) tüm gücünü elektriksel kaynaklardan alan elektrikli araçlardır. Fosil yakıtkullanılmaması sebebiyle en temiz ulaşım alternatifidir ve gelecekte daha da yaygınlaşması beklenmektedir.TEA'ların en belirgin dezavantajları menzillerinin kısa olması, yüksek performans istenen durumlardayetersiz kalmaları ve batarya ömürlerinin kısalığıdır. Bu çalışmada özgün bir batarya-batarya hibrit enerji sistemi tanıtılmaktadır. Sistem modülerlik ve uyumluluk esaslarına bağlı olarak hücre seviyesinde enerji yönetim stratejisine sahiptir. Ayrıca önerilen sistem ile aktif batarya gerilim dengelemesi de yapılmaktadır.Sistem basit bir kontrol şeması içeren yarı aktif hibridizasyon stratejisine sahiptir ve yol bilgisinden bağımsızolarak verimli bir enerji yönetimi sağlanmaktadır. Çalışmada sistem ve kontrol stratejisi detaylı olarakaktarılmıştır. Hem batarya dengeleme hem de enerji yönetimi özelliklerinin gösterilebilmesi için farklısenaryolar altında sistemin benzetimi yapılmıştır. Sistemin bataryaların çalışma süresini yaklaşık 2 katuzattığı benzetim sonuçları ile desteklenmiş, enerji transferi esnasında sistemin verimliliğinin % 95'inüzerinde olduğu deneysel sonuçlar ile gösterilmiştir.

A novel energy management system for full electric vehicles

A Battery Electric Vehicle (BEV) is a type of Electric Vehicle (EV) in which all power is derived fromelectrical sources. They are the cleanest transportation alternatives, and expected to spread. Maindisadvantages of BEVs are short driving range, low performance in demanding conditions, and low batterylifetimes. In this paper a novel battery-battery hybrid system is proposed. The system has a cell-scale energy management strategy in order to maintain modularity and compatibility. Also the system has ability of active battery voltage balancing without any extra effort. System has a semi-active hybridization strategy with asimple control scheme. Furthermore system provides an efficient energy management, independent fromroute conditions. Both system and the control strategy are introduced in details. Simulations are performedwith different scenarios in order to demonstrate both voltage balancing and energy management capabilitiesof the system. It is supported with simulations that the system extends the battery life almost two times andexperimental results are also included. Efficiency of the system during energy transfer is over 95%.

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