This paper aims to analyse the causes, modes and mechanisms, among cable joint failures, and to propose an applicable sheath circulating current monitoring technique with the associated criteria for f...
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Analysis of Cable Joint Faults in Distribution Boxes - ABC Stimulo Photonics [PDF]
This paper aims to analyse the causes, modes and mechanisms, among cable joint failures, and to propose an applicable sheath circulating current monitoring technique with the associated criteria for
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To investigate the impacts of different defects on electrical field
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ABSTRACT This paper aims to critically analyze the IEEE Std 1234-19 and other power cable fault- nding technical guides produced by leading industries to assess their applicability in practice to the
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Abstract Medium voltage cables are widely used in various distribution networks. The cable joint are prone to discharge defects during installation and operation to destroy their insulation structure. In
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Abstract This paper first investigates the XLPE cable joint failures in the past decades in SPPG, and try to identify the root cause of failures by dissection of joints in workshop. It focuses on
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Keywords—underground cables, joints, MV cables, resilience, distribution grid I. INTRODUCTION e-distribuzione is the owner of more than 85% of the Italian MV distribution system.
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Abstract: Defects in cable joints, induced in the process of manufacturing or assembling, can alter the distribution of the electrical field seriously. To investigate the impacts of different
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Power cables are preferred in urban areas for power transmission and distribution because of their high reliability, environmental friendliness and the visual invisibility. Whilst the
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Portable Fault Location Equipment: In addition to the techniques mentioned above, portable fault location equipment plays a crucial role in
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In recent years, an abnormal increase of faults in underground Medium Voltage (MV) cable joints has been recorded, especially during summer, by
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Cable reliability is key to system safety and stability, making efficient fault detection and diagnosis essential.
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This paper first investigates the XLPE cable joint failures in the
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Multiple Faults Location and Evaluation in Shielded Cable Based on Joint Analysis of Reflection Coefficient Spectrum and Matched Filter Matrix
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This article proposes a new method for the optimal design of zinc oxide arresters based on electric field distribution on the zinc oxide column using
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The distribution of electrical potential and field strength in cable joints with dissimilar defects is obtained by finite element analysis (FEA). The results
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This paper conducts an analysis of two incidents of breakdown and explosion in 220 kV integral prefabricated cable joints that occurred on the same cable circuit. Initially, the short-circuit
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In this paper, a detailed introduction about this accident of cable equipment is made and the cause is analyzed in-depth. The study found that there are some problems in the design and installation of the
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By analyzing and summarizing the collected cases of cable joint explosion failures, three main types of explosion failure modes have been identified.
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This paper discussed the different underground cable faults and their causes through the analysis of a practical statistical study carried out for Dokky
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This review provides a comprehensive understanding of low and medium-voltage cables, fault types, and DSP techniques. The find-ings contribute to improved fault diagnosis and localization methods,
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The results show that this method can effectively identify the loosening state of bolted cable joints, and provides a theoretical basis for the detection and protection of loosening faults.
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This article can provide a theoretical foundation and technical reference for the research on the explosion mechanisms of high-voltage cable
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To investigate the impacts of different defects on electrical field distribution in cable joints, equivalent models of 110 kV cable joints with needle
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In recent years, cable faults increases year by year with the widespread use of power cable lines, among which, cable joint defects become one of the most important factors affecting the safe and stable
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Therefore, studying the explosion mechanisms and explosion prevention measures of high-voltage cable intermediate joints is particularly
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Nowadays, electric energy accounts for an increasingly high proportion of energy in the society, and power cables have become indispensable transmission equipment to a certain extent. With the
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With the large-scale integration of new power systems and distributed generators (DGs), cable fault detection and localization face numerous
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