Effect of Reactor on Person in 22 kVA Magnetic Field

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Discussion Overview

The discussion revolves around the effects of a 22 kVA magnetic field produced by a reactor on a person. Participants explore the implications of exposure to such magnetic fields, considering both theoretical and practical aspects.

Discussion Character

  • Exploratory
  • Technical explanation
  • Debate/contested

Main Points Raised

  • One participant questions whether exposure to a 22 kVA magnetic field would have any adverse effects on a person, suggesting that nothing may happen.
  • Another participant notes that the kVA rating does not directly correlate with magnetic field strength and cites MRI imaging as an example where high magnetic fields are encountered without adverse effects.
  • A participant discusses the differences between iron core and air core reactors, stating that magnetic flux remains mostly contained in iron cores, while air cores spread the field into the surrounding area.
  • One participant shares personal experience working near a large air core inductor, mentioning that the only noticeable effect was the rotation of a CRT oscilloscope display due to the magnetic field.
  • There is a light-hearted exchange regarding the oscilloscope's recovery after leaving the magnetic field area, with humorous remarks about personal magnetism.

Areas of Agreement / Disagreement

Participants express differing views on the effects of magnetic fields, with some suggesting minimal impact while others highlight the complexities of magnetic field interactions. The discussion remains unresolved regarding the specific effects of a 22 kVA reactor's magnetic field on individuals.

Contextual Notes

Participants mention various assumptions about magnetic field strength and exposure effects, but these are not fully explored or quantified. The discussion includes anecdotal evidence and personal experiences, which may not represent broader scientific consensus.

Sindhutammu
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What would happen if a person come across magnetic field produced 22 kva reactor.? I thought probably nothing will happen. Is it correct or not?? If Yes, Will you have any supportive ans for my question?
 
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The KVA of the reactor does not really define the magnetic field strength. However there are application when people are routinely exposed to VERY high magnetic fields (MRI Imaging is a good example) and no adverse effects.

I did have my credit card magnetic strips erased - they were in my wallet - and I am completely nor..., wait bad example.
 
If it's iron core the magnetic flux stays almost completely in the iron.
Air core , well it spreads out into surrounding volume.
I worked next to a huge air core inductor for hours. The only effect I noticed is it rotated the display on my CRT oscilloscope.
I can't remember the exact flux - but places in that power plant I could measure 2 volts AC 60 hz with my "Flux Detector", which was just a ten turn coil with area 1/10 square meter . Flux is easy enough to calculate from that.
Next time i'd make it 1/3.77 square meters (or 1/pi for 50 hz).
 
Last edited:
jim hardy said:
I worked next to a huge air core inductor for hours. The only effect I noticed is it rotated the display on my CRT oscilloscope.
Was that the scope at home after work? :biggrin:
 
The 'scope recovered as soon as it was out of the area.

But - hmmm ... it wasn't long after that I met my wife, Fair Anne . She said I seemed somehow magnetic...
:-p
 
jim hardy said:
The 'scope recovered as soon as it was out of the area.

But - hmmm ... it wasn't long after that I met my wife, Fair Anne . She said I seemed somehow magnetic...
:-p

:smile: You do have a magnetic personality. And I like it too. :approve:
 

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