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Journals / Turkish Journal of Electrical Engineering and Computer Science / 2015 / Cilt: 23 - Sayı: 3

A new hysteresis band current control technique for a shunt active filter

MURAT KALE
ENGİN ÖZDEMİR
Pages
654
Publication Date
2015-08-13
DOI
—
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AI Summary & Key Takeaways

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

The experimental results clearly show that the power losses of the shunt active filter are reduced by using the proposed technique.

📌 3 Key Takeaways

🎯
Objective & Hypothesis:This paper proposes a hysteresis band (HB) current control technique to reduce the power losses in a shunt active filter.
📊
Key Findings & Data:The shunt active filter current typically has 6 zero-crossing regions during a fundamental frequency cycle.
💡
Conclusion & Impact:The experimental results clearly show that the power losses of the shunt active filter are reduced by using the proposed technique.
🔬Design:Research Article
📍Scope:Comprehensive Sample
⚙️Variables:Harmonics · shunt active filter · hysteresis band current control

Abstract

This paper proposes a hysteresis band (HB) current control technique to reduce the power losses in a shunt active filter. During a switching period in the zero-crossing region, the inverter output current flows through a transistor. By changing the direction, it flows through the free-wheeling diode of the same switch in an inverter leg, or vice versa. The shunt active filter current typically has 6 zero-crossing regions during a fundamental frequency cycle. This paper presents a HB current control technique where there is not any switching in these 6 zero-crossing regions per period, which results in reducing the power losses. The experimental results clearly show that the power losses of the shunt active filter are reduced by using the proposed technique.

Özet

This paper proposes a hysteresis band (HB) current control technique to reduce the power losses in a shunt active filter. During a switching period in the zero-crossing region, the inverter output current flows through a transistor. By changing the direction, it flows through the free-wheeling diode of the same switch in an inverter leg, or vice versa. The shunt active filter current typically has 6 zero-crossing regions during a fundamental frequency cycle. This paper presents a HB current control technique where there is not any switching in these 6 zero-crossing regions per period, which results in reducing the power losses. The experimental results clearly show that the power losses of the shunt active filter are reduced by using the proposed technique.

🔖

Cite This Article

KALE, M., ÖZDEMİR, E. (2015). A new hysteresis band current control technique for a shunt active filter. Turkish Journal of Electrical Engineering and Computer Science, Cilt: 23 - Sayı: 3, 654. https://ajindex.com/articles/187831

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References (10)

  1. Conclusion In this study, a HB current control technique is proposed for the shunt active filter. The proposed current controller reduces the power losses because there is not any switching in the zero-crossing regions. The current of the shunt active filter current typically has 6 zero-crossing regions. Using the proposed technique, the efficiency of the shunt active filter is improved. The proposed technique and the conventional technique are compared at different HB widths. The experimental results show that the proposed technique causes less power loss compared with the conventional technique at the same source current THD value. The experimental results validate the performance and the feasibility of the proposed method. 1 0.1 0.2 0.3 0.4 0.5 HB [A] 1 0.1 0.2 0.3 0.4 0.5 HB [A] 1 20 1 2 3 4 5 6 7 8 9 THD [%] 90 1 2 3 4 5 6 7 8 9 THD [%] Figure 12. a) HB width-THD, b) HB width-power losses, c) THD-power losses, d) THD-efficiency of the conventional technique and the proposed technique. Akagi H, Kanazawa Y, Nabae A. Instantaneous reactive power compensators comprising switching devices without energy storage components. IEEE T Ind Appl 1984; IA-20: 625–630. Akagi H. New trends in active filters for power conditioning. IEEE T Ind Appl 1996; 32: 1312–1322.
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