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[TCML] magnetic fields from TC vis a vis safety
Looked over some old notes..
A 20kW coil running into a 1 meter diameter primary produces the highest
RMS field at the center of the primary of about 6-7 A/m.
Sure, the peak field is much higher, but the duty cycle is low, and for
safety purposes, one gets to average, so RMS is more appropriate.
The Action Level for the general public at 150kHz is 108 A/m. Since the
field at the center of the coil is as high as it gets, even a big coil
doesn't get close to the limit for H field.
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