Do Displacement Currents Exist In Electric Motors

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SUMMARY

Displacement currents do exist in electric motors, as evidenced by conventional electromagnetic theory. While they influence the output of the magnetic field, their impact on motor performance is generally considered negligible in most designs. The discussion highlights that displacement currents arise in regions with changing magnetic fields, even in the absence of traditional currents. Ampere's Circuital Law is a key principle in understanding this phenomenon.

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  • Understanding of Ampere's Circuital Law
  • Familiarity with electromagnetic theory
  • Basic knowledge of electric motor design
  • Concept of magnetic fields and their dynamics
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  • Research the implications of displacement currents in electric motor design
  • Explore advanced concepts in electromagnetic theory
  • Study the effects of changing magnetic fields on motor performance
  • Investigate practical applications of Ampere's Circuital Law in engineering
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Electrical engineers, motor design specialists, and students of electromagnetism will benefit from this discussion, particularly those interested in the nuances of electric motor performance and electromagnetic theory.

kmarinas86
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I am not asking if they are considered as input into the armature's magnetic field. I strongly believe they are NOT even considered when designing motors.

The question is, "DO THEY EXIST IN MOTORS?"

Based on evidence from conventional theory, it appears they do infact affect the output of the magnetic field, but to what degree will depend on the design of the motor. I believe that looking in most designs for motors will suggest the displacement current is irrelevant when determining the performance of the motor.

I am just looking for an answer from someone who knows about this better than I do.
 
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Any time there is a changing magnetic field in a region of space where there are no currents, there is a displacement current. So, yeah, there are displacement currents.
Ampere's Circuital Law.
 

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