We started a new project “Occupational exposure of electric and magnetic fields at 110 kV substations” in April 2009. The aim of the project is to investigate occupational exposure at 110 kV substations using measurements. In addition, the aim is to also study the current densities in the neck and total contact currents (induced by electric field), if the action value (10kV/m) of directive (2004/40/EC)is exceeded. The project will last until the end of the year 2010.
The physiological effects and exposures of electromagnetic fields have been studied at Tampere University of Technology (by an Environmental Health research group ). One aim of the studies was to examine the exposure of the electric and magnetic fields at substations and power lines and evaluate their possible biological effects on workers.
Our newest article, “Evaluation of current densities and total contact currents in occupational exposure at 400 kV substations and power lines”, by Leena Korpinen, Jarmo Elovaara, and Harri Kuisti was published in Bioelectromagnetics in April 2009. The main aim of the project was to investigate the current densities in the neck and total contact currents (induced by electric field) in occupational exposure at 400 kV substations and power lines using measurements.
In another project “Evaluation of the exposure to electric and magnetic fields near 110 kV power lines and at 110 kV substations” we measured the exposure to electric and magnetic fields near 110 kV transmission lines in the Tampere region and the exposure to magnetic field of 110 kV underground power cables. The project ended this year. The results of these measurements will be presented at BioEM2009 in Davos, June 2009.
There is quite a lot happening regarding the topic of exposure to electric and magnetic fields. New research results flood in and the new directive causes all kinds of preparatory work. This seems to have remained a very timely issue year after year and seems to be that even today.
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