Conference,

Evaluation of Power Frequency Magnetic field Generated by Power Distribution Equipment on Sidewalk

, , and .
(2013)

Abstract

A lot of calculation and measurement results of power frequency magnetic field generated power equipment have been reported so far. However, there seem little papers concerning measurement results of magnetic field around power distribution equipment installed on sidewalk in urban areas. Evaluation of magnetic field generated by such equipment is considered to be important from the standpoint of public exposure, because people passed by them closely in some cases. This paper reports the results of magnetic field measurements around pad-mounted transformers, switchgears and vertical cables of power distribution systems in accordance with IEC 62110 established in 2009, which prescribes measurement and evaluation procedures of magnetic field generated by ac power systems with regard to human exposure. Evaluation results are also discussed by comparing the average and the maximum exposure levels with reference levels from the ICNIRP Guidelines. It was proved that the average and the maximum exposure levels obtained here are much smaller than the reference levels from the ICNIRP Guidelines.

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