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With the continuous growth of People’s Republic of China's economy, the power industry is also developing rapidly, various voltage level substations have been put into operation, electricity is closely related to people's daily life, at the same time, more and more attention has been paid to the electromagnetic pollution caused by these substations. This paper analyzes and studies the data of 500kv substations power frequency magnetic field, and comprehensive evaluate whether the magnetic field around the 500kV substations would endanger the health to the workers from the two aspects of the different areas of substation and the residence time of workers by using two level fuzzy comprehensive evaluation method, and finally concluded that 500kv substations magnetic field environment for the health hazards of workers is very small, the fuzzy comprehensive evaluation method can be applied to evaluate the health hazards of the magnetic field in the 500kv substations.

Fuzzy Comprehensive Evaluation on the Harmfulness of Magnetic Field in 500kv Substations to Health of Workers