Arcing and fires - case studies

Swart, Jan; Loud, John; Slee, Daren

doi:10.1109/pses.2009.5356014

Cited by 7 publications

(3 citation statements)

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“…Based on the elements provided by the plaintiff's consultant, herein discussed, the lawsuit for professional negligence was dismissed by the court. Physical evidence should always be protected from loss, contamination, and degradation [15]- [17]. The improper storage and the restoration work at the substation compromised the integrity of such evidence; this caused a true challenge for the determination of possible ignition points within the fire damaged equipment, as well as for the analysis of fire patterns in the substation.…”

Section: Discussionmentioning

confidence: 99%

“…The importance of this activity is discussed, for example in [16], where the author describes several electrical phenomena that occur at the fire scene and the activities that the consultant must perform to identify fire patterns and fire origin. Also in [17], the authors present some case studies of electrical fires that show the importance of examining the artifacts and debris at the fire scene. NFPA 921 provides fundamental guidelines for fire investigations [18].…”

Section: Examination Of the Fire-damaged Artifactsmentioning

confidence: 99%

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Forensic Analysis of Fire in a Substation of a Commercial Center

Ala

Favuzza

Mitolo

et al. 2020

IEEE Trans. on Ind. Applicat.

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In this paper, the authors discuss the legal liabilities of the professional engineer as both the engineer of record of a project and the construction site manager. In particular, this paper analyzes the case of a fire at the end-user Medium Voltage-Low Voltage (MV-LV) substation of a shopping center in Italy, which occurred a few years after the maintenance works on the electrical installation. The professional engineer who had designed and overseen the construction of the substation was accused of professional negligence. The authors through the examination of applicable technical standards, as well as of safety regulations, demonstrate that the professional engineer had acted diligently and that there was no ground for the negligence charges. The analysis of the substation fire is provided, and the importance of the chain of custody, the chronological documentation, and the secure storing of all the artifacts and fire-damaged evidence is discussed. The authors believe that this paper can be a useful reference for electrical forensics engineers, investigating similar accidents.

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Section: Discussionmentioning

confidence: 99%

Section: Examination Of the Fire-damaged Artifactsmentioning

confidence: 99%

Forensic Analysis of Fire in a Substation of a Commercial Center

Ala

Favuzza

Mitolo

et al. 2020

IEEE Trans. on Ind. Applicat.

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“…It has also been reported that fire starts from volatile gases produced by decomposition of PVC and the arc continues with the help of carbon produced by the arc [8]. Furthermore, phenomenon of short circuit in damaged power supply cords or wirings was also studied [9][10][11][12], along with the possible methods for its detection.…”

Section: Introductionmentioning

confidence: 99%

Arc Discharge–Induced Ignition of Combustibles Placed on a Damaged AC Power Supply Cord

et al. 2020

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One of the major causes of unintentional electrical fires is short circuit of an electrically and/or mechanically damaged alternating power supply cord. Detecting of such an event and interrupting the power supply may be beyond the capability of a conventional electro-mechanical circuit breaker. A lot of research papers have been published related to arc fault of wiring and its detection method. Furthermore, arc fault circuit interrupters have been put into practical use. The objective of the present paper is to understand fault of damaged power supply cord under two selected situations observed in practical use or considered suitable to understand fire ignition. Using two kinds of samples similar to but different from samples prescribed in UL1699 standard, the ignition mechanism of combustibles is discussed based on the results of laboratory experiments. The findings herein underscore the important role of the arc in the ignition of combustibles that are placed on the damaged part of a power supply cord, which is normally followed by a short circuit of broken element conductors or breakage of intact element conductors. Moreover, a possible arc detection feature in the two situations is discussed based on a distorted voltage waveform.

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Fast Detection of Weak Arc Faults Based on Progressive Singular-Value-Decomposition and Empirical Analyses

Shen¹,

2022

IEEE Access

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Arcing and fires - case studies

Cited by 7 publications

References 0 publications

Forensic Analysis of Fire in a Substation of a Commercial Center

Forensic Analysis of Fire in a Substation of a Commercial Center

Arc Discharge–Induced Ignition of Combustibles Placed on a Damaged AC Power Supply Cord

Fast Detection of Weak Arc Faults Based on Progressive Singular-Value-Decomposition and Empirical Analyses

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