Mitigating Electric Shock and Arc-Flash Energy: A Total System Approach for Personnel and Equipment Protection

Mohla, Daleep; Driscoll, T.; Hamer, P.S.; Panetta, Sergio

doi:10.1109/mias.2012.2186006

Cited by 10 publications

(5 citation statements)

References 2 publications

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“…For series arcs, this is not possible because variation in current is minimal. Discussing on available arc detection technologies, including optical, pressure, temperature and current based sensing [20], it is noted that no single scheme can address all safety concerns. This is particularly true for series arcing.…”

Section: B Arc Behaviour Mitigation Techniques and Their Limitationsmentioning

confidence: 99%

Detection of Series Arcs Using Load Side Voltage Drop for Protection of Low Voltage DC Systems

Shekhar

Ramírez-Elizondo

Bandyopadhyay

et al. 2018

IEEE Trans. Smart Grid

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Low voltage dc distribution grids face issues associated with arc faults, aggravated by the absence of current zero crossing. The focus of this work is to comprehensively develop a method of series arc fault detection at the load side power electronics, based on the electrode dependent initial voltage drop occurring at the arc initiation. The proposed arc detection algorithm is described along with the structure and time constants of the designed bandpass filter. The operational boundaries of the arc detection algorithm are defined for copper electrodes depending on the set threshold voltage and the system parameters, like grid inductance, resistance and the load capacitance. Further, the detection time and the zone of guaranteed positive detection are depicted. These are validated through test simulations on the state space model of the system. Finally, experimental validation of the proposed scheme is carried out, wherein, a series arc is generated in the dc circuit and the programmed micro-controller provides a real time signal upon detecting the arcing event. The results on variation in detection time with set threshold voltage is also presented experimentally.

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Section: B Arc Behaviour Mitigation Techniques and Their Limitationsmentioning

confidence: 99%

Detection of Series Arcs Using Load Side Voltage Drop for Protection of Low Voltage DC Systems

Shekhar

Ramírez-Elizondo

Bandyopadhyay

et al. 2018

IEEE Trans. Smart Grid

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“…For the most people, shock and electrocution hazard are the most known. However, most hospital admissions due to electrical accidents are from arc-flash burns, not from shocks [1].…”

Section: Introductionmentioning

confidence: 99%

IEEE 13-Node Incident Energy Analysis Using Online Platform

Camponogara¹,

Marchesan²,

Bernardon³

et al. 2021

Proceedings of the 13th Seminar on Power Electronics and Control (SEPOC 2021)

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The thermal hazard is considered the most significant hazard from an arc flash event. The protection against this type of hazard is associated with the assessment of incident energy, a study that aims to analyze the possibility of occurrence of an electric arc, the incident energy produced by it and the necessary protections so that the work in electricity is safe. An incident energy analysis is performed to the 634 bus of IEEE 13 Node system using the ATP Draw software to simulate a three-phase shot-circuit and an online platform that runs the IEEE Std 1584-2018 model is employed to obtain the incident energy levels and arc-flash boundary values for different durations of arcing event. As a closing, the personal protective equipment required for the different time scenarios are analyzed, according to the two approaches proposed in NFPA 70E-2021.

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“…By the physical characteristics of the arcing discharge, such as sound, light, heat, electromagnetic phenomena and radiation [4]- [6]; this method is susceptible to the limit of arc location, which results in low feasibility in practical applications. There are many patents on arcing detection and all of them, making use of the analysis of current or other indicators, extract signal from only one line (some examples of this method can be spotted in U.S. PAT.…”

Section: Introductionmentioning

confidence: 99%

Research on Series Arc Fault Detection Based on Higher-Order Cumulants

Bao¹,

Jiang²,

Liu³

2019

IEEE Access

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At present, the detection methods on series arc faults are mainly based on the current of the main circuit, which probably results in misjudgment because of the singularity of the normal working current in a nonlinear load. What's worse, is the arc fault characteristic in the small power branch is easily ignored in the current of the main circuit, which leads to missed judgment. To solve these problems, a detection method based on coupling signal acquisition and higher-order cumulant identification is presented, through the electromagnetic coupling mechanism of high frequency current. By analyzing the coupling signal of the high-frequency current and using the higher-order cumulant algorithm during arcing process, the kurtosis of the coupling signal is calculated. In this paper, the unified threshold value on the kurtosis in various conditions is obtained. The results show that the novel method can be effectively used to detect and identify the series arc faults.INDEX TERMS Coupling, higher-order cumulant, kurtosis, series arc faults.

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Mitigating Electric Shock and Arc-Flash Energy: A Total System Approach for Personnel and Equipment Protection

Cited by 10 publications

References 2 publications

Detection of Series Arcs Using Load Side Voltage Drop for Protection of Low Voltage DC Systems

Detection of Series Arcs Using Load Side Voltage Drop for Protection of Low Voltage DC Systems

IEEE 13-Node Incident Energy Analysis Using Online Platform

Research on Series Arc Fault Detection Based on Higher-Order Cumulants

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