Employing of Minimum Active Power Injection Strategy to Compensate Voltage Sag by DVR

Majlesi Journal of Electrical Engineering

مقاله 8، دوره 5، شماره 3، آذر 2011   

نوع مقاله: Review Article

نویسندگان

Ali Darvish Falehi^* ؛ M. Rostami

چکیده

In this paper, voltage sag is compensated by the DVR (Dynamic Voltage Restorer) in distribution systems. This device is applied between the sensitive load and the supply in order to inject voltage in series to correct the voltage sag. Subsequently, all the other various DVR compensation techniques in the distribution system are explained. Due to the restriction of the energy storage in DVR’s capacitors, it is essential to minimize the active power injected by the DVR. Thus, a minimum active power injection method is proposed to compensate the voltage sag. Performance of this method is evaluated under balanced and unbalance voltage sag in a distribution system.最小有功注入策略的使用由DVR來補償電壓暫降摘要在本文中，電壓驟降由DVR（動態電壓恢復器）的配電系統補償。該裝置是為了注入串聯電壓來校正電壓驟降的敏感負載和電源之間。隨後，所有的其它各種的DVR補償在配電系統的技術進行說明。由於能量存儲在DVR的電容器的限制，這是至關重要的，以盡量減少由DVR注入的有功功率。因此，最小有功注入法，提出了補償電壓驟降。這種方法的性能下，在配電系統平衡和不平衡電壓暫降評估。

کلیدواژه‌ها

en

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