Power Factor Correction Boost Converter-Based Electric Vehicle Charger Design and Control with Model Predictive Method

Öz

In this paper, a Model-Predictive Control (MPC) based control method is proposed for grid-fed Power Factor Correction (PFC) boost converter-based electric vehicle (EV) chargers. The main idea behind using a PFC boost converter is to eliminate the necessity of using an onboard charger in EVs. The power converter is suitable for use as a residential charger with 10kW rated power. The control of the PFC boost converter is achieved by MPC. The performance of the proposed control strategy is investigated by simulation studies performed on the MATLAB/Simulink platform. The results show that the proposed method is capable of current control during steady-state and dynamic transitions, such as step change in reference power and grid voltage. Also, it is verified that the proposed system can charge batteries that have various voltage levels. In addition, the results show that the power factor correction is provided with %3.46 total harmonic distortion.

Anahtar Kelimeler

• Model Predictive Control
• Boost converter
• Electric vehicle charger

Güç Faktörü Düzeltmeli Yükselten Dönüştürücü Tabanlı Elektrikli Araç Şarj Ünitesi Tasarımı ve Model Öngörülü Yöntem ile Kontrolü

Öz

Bu makalede, şebekeden beslenen Güç Faktörü Düzeltmeli (GFD) yükselten dönüştürücü tabanlı elektrikli araç şarj cihazları için Model Öngörülü Kontrol (MÖK) tabanlı bir kontrol yöntemi önerilmiştir. GFD yükselten dönüştürücü kullanmanın arkasındaki temel fikir, elektrikli araçlarda yerleşik bulunan bir şarj cihazı kullanma zorunluluğunu ortadan kaldırmaktır. Güç dönüştürücü, 10kW anma gücüne sahip bir konut tipi şarj cihazı olarak kullanıma uygundur. GFD yükselten dönüştürücünün kontrolü MÖK ile sağlanmıştır. Önerilen kontrol stratejisinin performansı, MATLAB/Simulink platformunda gerçekleştirilen simülasyon çalışmaları ile incelenmiştir. Sonuçlar, önerilen yöntemin kararlı durum ve referans güç değeri ve şebeke gerilimindeki adım değişimi gibi dinamik geçişler sırasında akım kontrolü yapabildiğini göstermektedir. Ayrıca, önerilen sistemin çeşitli gerilim seviyelerine sahip bataryaları şarj edebileceği doğrulanmıştır. Bununla birlikte, sonuçlar güç faktörü düzeltmesinin %3,46 toplam harmonik bozulma ile sağlandığını göstermektedir.

Anahtar Kelimeler

• Model Öngörülü Kontrol
• Yükselten dönüştürücü
• Elektrikli araç şarj cihazı

Kaynakça

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