New ways to protect and recognize the island for DG

سال انتشار: 1394
نوع سند: مقاله کنفرانسی
زبان: انگلیسی
مشاهده: 445

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شناسه ملی سند علمی:

RSTCONF01_304

تاریخ نمایه سازی: 30 آبان 1394

چکیده مقاله:

Electricity demand has increased pressure on extension of generation and distribution capacity, all around the world. This is an undesirable stage in modern restructured electrical industry which is trying to improve efficiency at the minimum cost. The obvious economical solution is avoiding conventional development and utilizing distributed generation capability which provides nearby consumer with needed power. Using this category of power generators in the grid has various advantages as well as its problems. One of the problems, which is usually caused by distributed generation, is islanding phenomenon. In this study a novel approach is proposed to detect islanding phenomenon for small scaled generators. Experimental results prove its speed and precision in detection of islanding phenomenon. Here, grid will continue its operation by using load shedding. When islanding is detected, special control system designed for DG synchronization is exploited to reconnect DG after fault compensation.

نویسندگان

Seyed Omid Ghafelebashi

Department of Electrical Engineering, Science and Research Branch, Islamic Azad University, Qazvin, Iran

majid ghaassemi

Department of Electrical Engineering, Science and Research Branch, Islamic Azad University,Qazvin, Iran

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