دانلود مقاله ISI انگلیسی شماره 55268
عنوان فارسی مقاله

روش آنتی جزیره ای شدن با کیفیت توان بالا با استفاده از تنوع بخشی توان موثر

کد مقاله سال انتشار مقاله انگلیسی ترجمه فارسی تعداد کلمات
55268 2008 11 صفحه PDF سفارش دهید محاسبه نشده
خرید مقاله
پس از پرداخت، فوراً می توانید مقاله را دانلود فرمایید.
عنوان انگلیسی
A high power quality anti-islanding method using effective power variation
منبع

Publisher : Elsevier - Science Direct (الزویر - ساینس دایرکت)

Journal : Solar Energy, Volume 82, Issue 4, April 2008, Pages 368–378

کلمات کلیدی
روش ضد جزیره ای شدن؛ روش رانش فرکانس فعال ؛ تغییرات توان موثر؛ کیفیت با توان بالا
پیش نمایش مقاله
پیش نمایش مقاله روش آنتی جزیره ای شدن با کیفیت توان بالا با استفاده از تنوع بخشی توان موثر

چکیده انگلیسی

Islanding phenomenon is undesirable because it leads to a safety hazard to utility service personnel and may cause damage to power generation and power supply facilities as a result of unsynchronized re-closure. In order to prevent the phenomenon, various anti-islanding methods have been studied. Until now, frequency or start phase shift methods of inverter current have much attention as active anti-islanding methods, which cause reactive power variation to the utility. However, these methods deteriorate usually the power quality like power factor or harmonic performance. This paper proposes a high power quality active anti-islanding method using effective power variation, which is implemented by periodically increasing/decreasing variation of inverter current magnitude. If it causes the large variation of inverter output voltage after islanding, active frequency drift (AFD) method as a simple anti-islanding method will be injected into the inverter current for a designed period and islanding can be detected. In case of large voltage variation when the grid is connected, AFD method will be removed after the designed period. Unlike most active anti-islanding method deteriorating power quality, the proposed method will have high performance of islanding detection and good power quality. For the verification of the proposed method, simulated results and experimental results in addition to analysis are presented using a 3 kW PV inverter.

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