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http://dx.doi.org/10.7836/kses.2013.33.5.034

Performance Analysis of Anti-islanding Function for Grid-connected PV Inverter Systems under Parallel Connections  

Jung, Young-Seok (Solar Energy Center, Korea Institute of Energy Research)
Yu, Byung-Gyu (Division of Electrical, Electronic and Control Engineering, Kongju National University)
Kang, Gi-Hwa (Solar Energy Center, Korea Institute of Energy Research)
Publication Information
Journal of the Korean Solar Energy Society / v.33, no.5, 2013 , pp. 34-40 More about this Journal
Abstract
Islanding phenomenon of photovoltaic system 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. Anti-islanding protection is an important technical requirement for grid-connected PV system. Until now, various anti-islanding methods for detecting and preventing islanding of photovoltaic and other distributed generations have been proposed. Most of them are focusing on the anti-islanding performance of single PV system according to the related international and domestic standard test procedures. There are few studies on the islanding phenomenon for multiple photovoltaic operation in parallel. This paper presents performance analysis of anti-islanding function for grid-connected PV inverter systems when several PV inverters are connected in parallel.
Keywords
Islanding phenomenon prevention; Parallel operation; Grid-connected photovoltaic system; Power conditioning; Control algorithm;
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