A Composite Method for Islanding Detection Based on Vector Shift and Frequency Variation

The article describes the new application of a well-known protection criterion -Vector Shift (VS). In the paper, technical problems related to the utilization of this criterion have been described. Additionally, the authors conducted laboratory tests of a digital protection relay. The impact of different disturbances occurring in the power systems on the operation of the Vector Shift criterion has been examined. The obtained results have proved the validity of banning the Vector Shift criterion in some countries. Furthermore, a novel application of the Vector Shift criterion has been presented. This criterion could be utilized to determine the degree of balance of a separated island. This information may be helpful in novel power system protection devices used in Smart Grids or microgrids.

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A Novel Method of Vector Shift Criterion Utilization in Power System Automation

Swierczynski

Habrych

Brusilowicz

2023

IEEE Access

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A SIMULINK implementation of a vector shift relay with distributed synchronous generator for engineering classes

et al. 2021

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In recent years, the concerns regarding global warming have encouraged an increase in research on renewable energy and distributed generation. Different renewable resources are currently being used, and bioenergy is one among them. Biogas can be produced via digesters, and its energy is converted into electricity and injected into the electrical power system for supplying to meet the local or distant demands. Nevertheless, the generation of electricity via biogas on the consumer side brings new problems and challenges to the power system controller. Protection devices, such as a vector shift relay, are one of the most important components needed to connect a bioenergy system using synchronous generators into the mains. Although distributed synchronous generators are widely used and simulated in software tools, especially in MATLAB/SIMULINK, there is still a gap in technical literature detailing how to design or model a Vector Shift Relay. In view of this subject’s importance, this article aims to assist students, researchers, and engineers by proposing a step-by-step method on how to model and implement a vector shift relay in MATLAB/SIMULINK, although the methodology may easily be used in other simulation tools. A review of the topic is presented along with a detailed description of all needed blocks and expected results.

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A Composite Method for Islanding Detection Based on Vector Shift and Frequency Variation

Cited by 2 publications

References 3 publications

A Novel Method of Vector Shift Criterion Utilization in Power System Automation

A Novel Method of Vector Shift Criterion Utilization in Power System Automation

A SIMULINK implementation of a vector shift relay with distributed synchronous generator for engineering classes

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