Electric and magnetic field management.
The emergence of new electrical technologies has produced an extremely complex electric and magnetic field environment in which we must live and work. Although there presently exist no universally accepted human exposure guidelines, current biological research may someday produce such limits. It is in anticipation of these exposure limits that electric and magnetic field management techniques are being investigated. At low frequencies, two categories of field management exist: cancellation and shielding. The particular class of control used will depend on several functions of the field and its source, and will be determined finally on a case-by-case basis. In general, it is found that magnetic fields are much more complicated to manage than electric fields. The discussion of this paper serves as a primer in the area of low frequency electric and magnetic fields and the control thereof.
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Electric Research and Management, Inc., State College, PA 16804.
D004574:Electromagnetic Fields; D006801:Humans; D011835:Radiation Protection