Island Detection In Inverter Based Distributed Generation Using A Hybrid Method

Hariprasad, B; Kumar, P Bharat; Sujatha, P.; Sreenivasan, G

doi:10.1109/icais53314.2022.9742815

Cited by 8 publications

(1 citation statement)

References 6 publications

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“…This occurs when a system that generates power continuously supplies it to the local load even after the main grid has been disconnected. Islanding can pose a threat to the safety of workers who are on the electric grid [10]. It can also affect the quality of power.…”

Section: ░ 1 Introductionmentioning

confidence: 99%

Islanding Detection in Distribution Generation using Active Method

Hariprasad,

Sreenivasan,

Sujatha

2023

IJEER

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There are two techniques to ensure that renewable energy systems run continuously: on-grid and off-grid. In the first case the system can be managed in a network, in the second case it can be managed in a micro grid or island mode. Islanding means when a distributed generator (DG) keeps running even after there is no longer any external electricity. This situation can be dangerous for utility systems because it prevents equipment from connecting properly. Therefore, this paper proposes an active method for detecting island patterns at a given time. The use of DG installations such as photovoltaics can cause islanding detection issues. In addition, the number of DG sets in the power distribution system will affect the accuracy of island detection (ISD). On a test example DC power supply linked to a 415 V, 50 Hz network, the suggested solution was put into practice. In the MATLAB Simulink environment, the proposed method's efficacy was assessed. The proposed method is compared with existing active methods and shortens the detection time.

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Section: ░ 1 Introductionmentioning

confidence: 99%

Islanding Detection in Distribution Generation using Active Method

Hariprasad,

Sreenivasan,

Sujatha

2023

IJEER

Self Cite

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Improving the Power Quality of Wind Turbines Under Unbalance Voltage Conditions Using the SMC Approach

Hariprasad

Sreenivasan

Kumar

et al. 2023

Lecture Notes in Networks and Systems

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Intelligent islanding detection in smart microgrids using variance autocorrelation function‐based modal current envelope

Naseem,

Ahmad,

Aziz

et al. 2024

IET Smart Grid

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Islanding detection is a critical issue in grid‐connected distributed microgrid systems. Distributed generation in the current power system has caused many challenges. Consequently, detecting quick and effective islanding is the most critical issue to minimise equipment failure, avoid danger, and maintain grid safety. There are various techniques for islanding identification in microgrids. Three classifications have been applied to categorise these strategies, which are: active, passive, and hybrid. This paper proposes and demonstrates an efficient and accurate approach to islanding detection based on the Variance Autocorrelation Function of a Modal Current Envelope (VAMCE) technique. Demodulation techniques including synchronous real demodulation, square law demodulation, asynchronous complex square law demodulation, and the quadrature demodulation technique are employed to detect the envelope of the 3‐phase current signal. The VAMCE methodology is better suited for islanding detection because of its response to current sensitivity under islanding scenarios but not under normal conditions. Several simulations under various settings, including normal and islanded scenarios are used to analyse this method. These simulations have demonstrated different situations, such as when the system works normally and when it does not. The VAMCE along with the quadrature demodulation technique outperforms the others. The proposed solution is not only more accurate but also much faster compared to other methods. The proposed approach can identify normal and islanded situations in just 0.4 s.

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Island Detection In Inverter Based Distributed Generation Using A Hybrid Method

Cited by 8 publications

References 6 publications

Islanding Detection in Distribution Generation using Active Method

Islanding Detection in Distribution Generation using Active Method

Improving the Power Quality of Wind Turbines Under Unbalance Voltage Conditions Using the SMC Approach

Intelligent islanding detection in smart microgrids using variance autocorrelation function‐based modal current envelope

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