A Generic Method for the Determination of Non-Detection Zones in DER-Dominated Distribution Grids

Li, Yan; Zhang, Peng; Debs, Joseph N.; Ferrante, David A.; Kane, Donald J.; Woolard, Samuel N.; Kalbfleisch, Roderick; Bowes, Kenneth B.

doi:10.1109/pesgm.2018.8586081

Cited by 3 publications

(2 citation statements)

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“…On the other hand, the islanding detection time of SGBMGs should be considered due to their mechanical inertia. After the islanding occurrence of SGBMGs, their voltage and frequency do not reach to their new values instantaneously [20]- [21]. In the other words, it takes a longer time for large inertia SGBMGs to reach the operating thresholds of the relay [21].…”

Section: A Non-detection Zonementioning

confidence: 99%

“…After the islanding occurrence of SGBMGs, their voltage and frequency do not reach to their new values instantaneously [20]- [21]. In the other words, it takes a longer time for large inertia SGBMGs to reach the operating thresholds of the relay [21]. Therefore, the dynamic behavior of voltage and frequency is very important in this case and islanding detection time should be carefully considered for NDZ extraction of SGBMGs.…”

Section: A Non-detection Zonementioning

confidence: 99%

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A Comprehensive Survey on Islanding Detection Methods of Synchronous Generator-Based Microgrids: Issues, Solutions and Future Works

Bekhradian

Sanaye‐Pasand

2022

IEEE Access

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Nowadays, the penetration of distributed generations (DGs) and microgrids (MGs) has been significantly increased due to the technical, social, environmental, and financial reasons. One of the most common types of DGs which is widely used in different networks is small-scale synchronous generators (SSSGs). Synchronous-based microgrids (SGBMGs) and SSSGs can operate under both grid-connected and islanded conditions. To guarantee a stable, uninterruptible, and safe autonomous operation, the unintentional islanding events should be quickly detected and then, appropriate control and precaution actions should be performed. Various islanding detection techniques have been proposed in the two past decades including remote and local methods. Meanwhile, local methods can be divided into two major groups, i.e. passive and active methods. To select the most suitable islanding detection scheme (IDS), various factors including the DG type and its technology should be considered. Therefore, the IDS for SGBMGs may be completely different from that for inverter-based microgrids. In this paper, the suitable IDS which can be practically applied to the SGBMGs are comprehensively investigated. To do so, at first, various suitable indices are introduced which can be properly employed by the system engineers and researchers to compare various IDS and select the most appropriate one. Then, various types of existing IDS are carefully investigated using these indices. Based on these investigations, it is concluded that local passive methods are more appropriate for SGBMGs due to their technical and economic benefits. Moreover, to enhance the existing IDS, some ideas are provided in this paper which can be considered in the future research works.INDEX TERMS Small-scale synchronous generator (SSSG), Synchronous generator-based microgrid (SGBMG), Islanding, Islanding detection.

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Section: A Non-detection Zonementioning

confidence: 99%