Performance analysis of the Slip mode frequency shift islanding detection method under different inverter interface control strategies

2016 IEEE Power and Energy Conference at Illinois (PECI) Pub Date : 2016-02-01 DOI:10.1109/PECI.2016.7459250

S. Akhlaghi, A. Akhlaghi, A. Ghadimi

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引用次数: 35

Abstract

This paper investigates the performance of Slip mode frequency shift (SMS) islanding detection method (IDM) in the presence of different inverter interface control strategies (IICS). The Impact of the two constant-current and constant-power IICS when the inverters are equipped with SMS-IDM, are compared and analyzed from detecting islanding point of view. This study is based on time-domain simulations in the MATLAB/Simulink. Performance of the SMS-IDM is tested under UL-1741 test condition. The results of study prove that, SMS-IDM efficiency can be degraded by the power regulator of the constant-power control strategy. So, efficiency of the SMS-IDM on islanding detection with constant-current control strategy is much higher than the constant-power control. Therefore, to improve the performance of the SMS-IDM with constant-power IICS, A new hybrid islanding detection method combination of the SMS-IDM and reactive power deviation is proposed. Finally, performance of the proposed method is evaluated under the UL-1741 anti-islanding test condition, load switching and loads with high quality factor.

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滑移模移频孤岛检测方法在不同逆变器接口控制策略下的性能分析

本文研究了在不同的逆变器接口控制策略(IICS)下，滑移模频移(SMS)孤岛检测方法(IDM)的性能。从检测孤岛的角度比较分析了逆变器配置SMS-IDM时恒流恒功率两种IICS的影响。本研究基于MATLAB/Simulink中的时域仿真。在UL-1741测试条件下对SMS-IDM的性能进行了测试。研究结果表明，恒功率控制策略的功率调节器会降低SMS-IDM的效率。因此，采用恒流控制策略的SMS-IDM孤岛检测效率远高于恒功率控制策略。为此，为了提高具有恒功率IICS的SMS-IDM的性能，提出了一种将SMS-IDM与无功偏差相结合的混合孤岛检测方法。最后，在UL-1741抗孤岛试验条件、负载切换和高品质因数负载下，对所提方法进行了性能评估。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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2016 IEEE Power and Energy Conference at Illinois (PECI)

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