Volume 7, Number 1 (7-2014)                   ijhe 2014, 7(1): 55-64 | Back to browse issues page


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Jozi S, Jafarzadeh Haghighi Fard N, Afzali Behbahani N. Hazard identification and risk assessment of high voltage power lines in residential areas using failure modes and effects analysis (FMEA). ijhe. 2014; 7 (1) :55-64
URL: http://ijhe.tums.ac.ir/article-1-5294-en.html

1- Department of Environmental Engineering, Technical & Engineering Faculty, Islamic Azad University, North Tehran Branch , sajozi@yahoo.com
2- Environmental Technology Research Center, Ahvaz Jondishapur University of Medical Saiences, Ahvaz, Iran
3- Environmental Science / Assessment and Land Use, Islamic Azad University, Science and Research in Khuzestan
Abstract:   (3690 Views)

Background: FMEA is one of the best known system safety techniques widely used as an identification tool. The purpose of this study was to apply FMEA method to identify and assess the risks posed by power lines in a residential area is Hasyrabad, Ahwaz. Materials and Methods: First, we identified the power line process and the equipment involved. Later, we determined the failure modes of equipment, which leads to the risk in the area studied. In order to measure the magnetic field lines, we used 3D EMF TESTER. Risks identified were scored based on the FMEA and for each case we calculated RPN. Then, with the help of SPSS software, we calculated level of risk and the cases identified were prioritized and analyzed based on the risk level. Results: The highest RPN values were associated with health risks and all risks involved in this group are at emergency conditions. It was revealed that wires (loss of privacy) and power transmission line (non-compliance with privacy standards) had highest value (RPN 360) and disconnect switch had lowest value (RPN 60). Conclusion: Due to the high risk in most cases, control measures were proposed based on the expertise in the safety-related equipment, training operators, and regulatory measures in order to reduce the level of risk.

Full-Text [PDF 1458 kb]   (4338 Downloads)    
Type of Study: Research | Subject: General
Received: 2014/08/16 | Accepted: 2014/08/16 | Published: 2014/08/16

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