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Journals / Konya Mühendislik Bilimleri Dergisi / 2020 / Cilt: 8 - Sayı: 4

LCL Filter Design and Active Power Control for Single Phase PWM Rectifier

BİR FAZLI DGM DOĞRULTUCU İÇİN LCL FİLTRE TASARIMI VE AKTİF GÜÇ KONTROLÜ

Akif KARAFİL
Harun ÖZBAY
Pages
745–756
Publication Date
2020-12-01
DOI
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AI Summary & Key Takeaways

AI Insight
⚡ TL;DR(Too Long; Didn't Read)

The system was designed to transfer 400 W active power and PI was used for power control, PR controller for current control and T/4 delay phase locking loop (PLL)

📌 3 Key Takeaways

🎯
Objective & Hypothesis:The most important advantage of pulse width modulated (PWM) rectifier circuits over traditional diode rectifier circuits are the adjustable DC voltage and power factor.
📊
Key Findings & Data:However, due to the hard switching condition in the PWM rectifier circuits, high order current harmonics occur in the grid.
💡
Conclusion & Impact:The system was designed to transfer 400 W active power and PI was used for power control, PR controller for current control and T/4 delay phase locking loop (PLL)
🔬Design:Research Article
📍Scope:Comprehensive Sample
⚙️Variables:Aktif güç kontrolü · Bir fazlı DGM doğrultucu · LCL filtre

Abstract

The most important advantage of pulse width modulated (PWM) rectifier circuits over traditional diode rectifier circuits are the adjustable DC voltage and power factor. However, due to the hard switching condition in the PWM rectifier circuits, high order current harmonics occur in the grid. In order to reduce these high order harmonics, a filter must be used on the grid side. Although there are many filter types, the LCL type filter is the most commonly used filter type. In this study, simulation and experimental results of active power controlled single phase PWM rectifier circuit were presented by calculating LCL filter. The simulation of the study was conducted in the PSIM program. All control software of the system was achieved by writing codes to the C block in the program, and the embedded codes were produced by the program. The system was designed to transfer 400 W active power and PI was used for power control, PR controller for current control and T/4 delay phase locking loop (PLL)

Özet

Darbe genişlik modülasyonlu (DGM) doğrultucu devrelerinin, geleneksel diyotlu doğrultucu devrelerine göre en önemli avantajları DA geriliminin ve güç faktörünün ayarlanabilir olmasıdır. Fakat DGM doğrultucu devrelerinde sert anahtarlama durumu oluştuğundan dolayı şebekede yüksek dereceli akım harmonikleri oluşur. Yüksek dereceli bu akım harmoniklerinin azaltılabilmesi için şebeke tarafında bir filtre kullanılması gerekir. Birçok filtre çeşidi bulunmasına rağmen LCL tipi filtre en çok kullanılan filtre tipidir. Bu çalışmada LCL filtre hesabı yapılarak aktif güç kontrollü bir fazlı DGM doğrultucu devresine ait benzetim ve deneysel sonuçlar verilmiştir. Çalışmanın benzetimi PSIM programında yapılmıştır. Sistemde tüm kontrol yazılımı için program içerisindeki C bloğuna kodlar yazılmış ve program tarafından gömülü kod üretilmiştir. Sistem 400 W aktif güç aktaracak şekilde tasarlanmış olup güç kontrolü için PI, akım kontrolü için PR denetleyici ve şebeke frekans kontrolü için T/4 gecikmeli faz kilitleme döngü (FKD) algoritması kullanılmıştır.

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Cite This Article

KARAFİL, A., ÖZBAY, H. (2020). LCL Filter Design and Active Power Control for Single Phase PWM Rectifier. Konya Mühendislik Bilimleri Dergisi, Cilt: 8 - Sayı: 4, 745–756. https://ajindex.com/articles/786818

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