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Iranian Journal of Medical Physics، جلد ۸، شماره ۳، صفحات ۶۱-۷۱
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عنوان انگلیسی Assessment of Extremely Low Frequency (ELF) Electric and Magnetic Fields in Hamedan High Electrical Power Stations and their Effects on Workers
چکیده انگلیسی مقاله Introduction: Public and occupational exposure to extremely low frequency (ELF) electric and magnetic fields induced by electrical equipment is a significant issue in the environment and at the workplace due to their potential health effects on public health. The purpose of this study was assessment of the electric and magnetic fields intensities and determination of mental and psychological effects of occupational exposure in the high voltage electric power stations in the city of Hamadan, Iran. Material and Methods: The intensities of the magnetic and electric fields were measured at eight high voltage electric power stations at three different intervals of sources using an HI-3604 instrument. A two-part questionnaire was used to assess mental and psychological effects of the exposure to these fields. Two groups of control and case workers including 30 samples were selected to determine the exposure effects. Results: The results of field measurements showed the highest average electric field intensity was related to the CVT unit with 3110 V/m at a 2 m distance from the source and the lowest average was related to the control room with 1.35 V/m next to the source. Also, the highest and lowest magnetic field intensities were close to the transformator 2 and the battery room (50.42 and 1.31 mG), respectively. Discussion and Conclusion: The intensities of electric and magnetic fields in the selected stations are lower than the ACGIH and ICNIRP standard levels for occupational exposures. The results obtained indicate that the distribution of these fields was nonlinear around the sources and the effects observed on exposed workers were non-thermal. 
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نویسندگان مقاله فرشید قربانی شهنا | farshid ghorbani shahna
assistant professor, occupational health dept., faculty of public health and research center for health science, hamedan university of medical sciences, hamedan, iran.


محبوبه اسحاقی | mahboobeh eshaghi
ph.d. student of occupational health, faculty of public health, hamedan university of medical sciences, shiraz, iran.


طاهره دهقانپور | tahereh dehghanpour
b.sc. of occupational health, faculty of public health, hamedan university of medical sciences, shiraz, iran.


زهره کرمی | zohre karami
b.sc. of occupational health, faculty of public health, hamedan university of medical sciences, shiraz, iran.
نشانی اینترنتی http://ijmp.mums.ac.ir/article_7230.html
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زبان مقاله منتشر شده en
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نوع مقاله منتشر شده Original Paper
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