On line partial discharge diagnosis of power cables

Montanari, G.C.

doi:10.1109/eic.2009.5166347

Cited by 16 publications

(11 citation statements)

References 20 publications

(31 reference statements)

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“…The EM signals generated by these PD activities can be detected installing High Frequency Current Transformers (HFCT) sensors around the cable ground lead, as shown in Fig. 2 (left) [6].…”

Section: A Distributed Detection Pointsmentioning

confidence: 99%

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On-board permanent PD monitoring for propulsion, distribution and generation systems in marine applications

Tozzi¹,

Testa²,

Busi³

et al. 2011

2011 IEEE Electric Ship Technologies Symposium

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An innovative approach to asset management in marine applications is described in this paper, based on Partial Discharge (PD) permanent monitoring. It is the first time in literature that a centralized permanent PD monitoring system is presented for such applications, i.e. for propulsion, distribution and generation.Moreover, the innovative PD monitoring system is able to detect and recognize PD activities in assets fed by different voltage supply (PWM, AC sine, cyclo-converters). The on-line PD detection method takes advantages from modern high-tech solutions to allow noise rejection and PD sources separation in order to pinpoint any defect into the insulation system and carry out proper maintenance. The target of this approach is prevention of electrical failures which can cause the unexpected stop of the vessel and, as a consequence, considerable economical losses.

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“…The EM signals generated by these PD activities can be detected installing High Frequency Current Transformers (HFCT) sensors around the cable ground lead, as shown in Fig. 2 (left) [6].…”

Section: A Distributed Detection Pointsmentioning

confidence: 99%

“…Defects provoking fastest insulation degradation are, in general, those relevant to internal cavities and interface PD inside cable terminations and joints [6]. Furthermore, cables in the ship electric distribution system are highly stressed by repetitive load switching operations.…”

Section: A Distributed Detection Pointsmentioning

confidence: 99%

On-board permanent PD monitoring for propulsion, distribution and generation systems in marine applications

Tozzi¹,

Testa²,

Busi³

et al. 2011

2011 IEEE Electric Ship Technologies Symposium

Self Cite

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“…Temperature detection is very important because the insulation condition and carrying capacity can be obtained by monitoring the temperature of cables [59][60][61]. In addition, cable temperature is also used for assessing cable life through the Arrhenius law.…”

Section: Condition Monitoring and Diagnosis For Cablementioning

confidence: 99%

“… Scheme of a cable with different sensors for on‐line PD monitoring: HFCT, CC, magnetic coupler MC [59]…”

Section: Review On Condition Monitoring and Diagnosis Of Power Equimentioning

confidence: 99%

Condition monitoring and diagnosis of power equipment: review and prospective

2017

High Voltage

201

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To ensure the power system operates safely and reliably, it is essential to monitor and evaluate the health condition of power equipment on-line or off-line. This study reviews the research status in condition monitoring and diagnosis of power equipment, including transformer, gas insulated switchgear, cable, external insulation, generator, and power capacitor in recent years. Although much progress has been made in technologies of condition monitoring and fault diagnosis such as test accuracy, fast and accurate fault localisation and recognition of fault types, there are still many deficiencies which needs further research work, including the reliability of signal collection from sensors, the accuracy of data treatment and analysis, antiinterference performance of test equipment, appropriate models used for condition evaluation. The prospective of condition monitoring and diagnosis technologies of power equipment are also presented in this study. It is proposed that the application of big data, internet of things and cloud computing should be expected and given special attention in the near future.

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“…As PDs activate the fastest degradation mechanism in polymeric solid dielectrics due to chemical and physical deterioration mechanisms activated by the charge carriers, UV radiation and local temperature rising during PDs activity [8,14], their measurable magnitudes, i.e., partial discharge (PD) charge, PD energy, PD pulse shape, etc., can be used as effective diagnostic quantities, specially, in organic dielectric materials or oilpaper [15,16]. In addition, the types of defects [17], as well as some of their characteristics, such as, shape, diameter and ageing conditions, among others, can be inferred from PD measurements [18,19].…”

Section: Introductionmentioning

confidence: 99%

A Study on the Life Estimation and Cavity Surface Degradation Due to Partial Discharges in Spherical Cavities within Solid Polymeric Dielectrics Using a Simulation Based Approach

Rodríguez‐Serna

Albarracín‐Sánchez

2021

Polymers

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Partial Discharges (PD) in cavities are responsible for the greatest ageing rate in polymeric solid dielectrics due to chemical and physical deterioration mechanisms activated by the charge carriers, Ultra Violet (UV) radiation and local temperature rising during PDs activity. From the above, it is necessary to develop prognosis tools based on PDs measurements as diagnostic quantities in order to infer the time-to-breakdown, life, of solid dielectrics for improving the reliability of electrical assets, especially in current applications where they are subject to great electrical stresses in voltage frequency and magnitude. In this paper, the degradation in polymeric materials induced by PDs in cavities is briefly discussed from a phenomenological point of view, and then it is quantitatively evaluated using a simulation-based approach and a new proposed damage function. The time-to-breakdown calculated from simulations exhibits good agreement when compared with experimental measurements. Additionally, an analysis on the effect of the magnitude and frequency of the applied voltage on the degradation rate is also presented and the effectiveness of a degradation indicator, proposed by other authors, is evaluated under different stress conditions.

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On line partial discharge diagnosis of power cables

Abstract: This paper has the purpose to address in a practical way the topic of PD testing HV cables, with emphasis on on-line measurements and diagnostic interpretations. For this purpose, FAQ are discussed and examples reported of advantages and limitations of on-line PD testing.

Cited by 16 publications

References 20 publications

On-board permanent PD monitoring for propulsion, distribution and generation systems in marine applications

On-board permanent PD monitoring for propulsion, distribution and generation systems in marine applications

Condition monitoring and diagnosis of power equipment: review and prospective

A Study on the Life Estimation and Cavity Surface Degradation Due to Partial Discharges in Spherical Cavities within Solid Polymeric Dielectrics Using a Simulation Based Approach

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