A New Technique to Identify the Anti-Islanding Protection and Reduce Indiscrimination Area

Publish Year: 1393
نوع سند: مقاله کنفرانسی
زبان: English
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شناسه ملی سند علمی:

TDCONF01_005

تاریخ نمایه سازی: 19 تیر 1394

Abstract:

Nowadays renewable energies took special place in power systems, and most of the distributed generations (DGs) in the power system also utilize these types of energy resources. Due to the DGs advantages, including using of renewable energy which not polluting environment and having endless nature, the use of these resources to produce electrical energy in the world are increasing. One problem with such generators is an unwanted islanding phenomenon. In this paper, a new technique to identify islanding conditions has been proposed, and since the method is a combination of previous methods, its performance is much more appropriate than that of the previous methods. This method is efficient either for DGs connecting to the network through inverter or without inverter. Since this technique is a hybrid method of previous methods it has so much better performance than the previous methods. Simulation results which are carried out on software PSCAD/EMTDC shows good performance of this method

Keywords:

Anti-islanding protection , indiscrimination areas , Rate of change of frequency (ROCOF) , Total harmonic distortion (THD)

Authors

Nasser yousefi

Young Researchers and Elite Club, Ardabil Branch, Islamic Azad University, Ardabil,

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