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All Journal International Journal of Power Electronics and Drive Systems (IJPEDS)
Shimaa Abdel-Raouf Salem
North Delta Electric Distribution Company (NDEDC)
Control & Systems Engineering Electrical & Electronics Engineering

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A proposed method for reduction of induced zero-sequence current in cable system Shimaa Abdel-Raouf Salem; Rabab Reda Eiada; Ebrahim Abdel-Ghafar Badran
International Journal of Power Electronics and Drive Systems (IJPEDS) Vol 13, No 4: December 2022
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/ijpeds.v13.i4.pp2071-2078

Abstract

Zero-sequence circulating currents are particularly problematic because they can occasionally lead to protective relay failure. However, it is not usually understood that systems with numerous cables strung along the same path will produce zero-sequence currents. In this paper, the operation of parallel connections of single core underground cables is examined. The examination is based on power cables arrangement operating in parallel two-circuit with and without the transmission grid. It was found that symmetrical cable arrangement might significantly lower zero-sequence currents in a twin-circuit. On the other hand, the largest value of the zero sequence currents at asymmetrical configuration. To provide an effective method about reduction of zero sequence current induced in a cable system, several connection scenarios such as the transposition of the cable and sheath and the application of sheath cross bonding are examined. Therefore, in this paper, this phenomenon will be analyzed and discussed. ATPDraw is used to simulate and analysis this kind of study. Also, the effect of sheath transposition is explained and analyzed.
Co-Authors Ebrahim Abdel-Ghafar Badran Rabab Reda Eiada