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A new method for busbar protection stability improvement

Libao Xu, Henri Grasset, X.Z. Dong, Chenliang Xu, Ruidong Xu

Open publisher page 6 citations

Abstract

As busbar is one of the most important power system nodes, the busbar protection is an essential component in network design, considering the power system stability and security. So busbar protection should fulfill the requirements of fast operating times for all kinds of busbar faults, security for external faults with heavy current-transformer (CT) saturation, and minimum delay for evolving faults. In order to meet the requirements above, a new method, called current phase comparison, is presented in this paper, which can achieve reliable busbar protection with minimum CT performance requirements. Thousands of RTDS test and MATLAB analyses have been performed, which proved that the stability of busbar protection can be greatly improved by this new algorithm. (4 pages)

About this research paper

What this paper is about

As busbar is one of the most important power system nodes, the busbar protection is an essential component in network design, considering the power system stability and security. So busbar protection should fulfill the requirements of fast operating times for all kinds of busbar faults, security for external faults with heavy current-transformer (CT) saturation, and minimum delay for evolving faults. In order to meet the requirements above, a new method, called current phase comparison, is presented in this paper, which can achieve reliable busbar protection with minimum CT performance requirements. Thousands of RTDS test and MATLAB analyses have been performed, which proved that the stability of busbar protection can be greatly improved by this new algorithm. (4 pages)

Why it matters

OpenAlex reports 6 citations for this work. Citation counts describe recorded attention and do not establish research quality.

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Method / approach

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Available abstract

As busbar is one of the most important power system nodes, the busbar protection is an essential component in network design, considering the power system stability and security. So busbar protection should fulfill the requirements of fast operating times for all kinds of busbar faults, security for external faults with heavy current-transformer (CT) saturation, and minimum delay for evolving faults. In order to meet the requirements above, a new method, called current phase comparison, is presented in this paper, which can achieve reliable busbar protection with minimum CT performance requirements. Thousands of RTDS test and MATLAB analyses have been performed, which proved that the stability of busbar protection can be greatly improved by this new algorithm. (4 pages)

Key concepts: Busbar, MATLAB, Current transformer, Electric power system, Engineering, Power-system protection, Transformer, Reliability engineering

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