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Differential mode inductor working principle
Aug 15, 2018


Differential mode inductor working principle


When the frequency of the alternating current mode is constant, the larger the inductance, the greater the resistance to alternating current, the smaller the inductance, the smaller the blocking capability. The higher the frequency of the alternating current, the higher the inductance. The greater the ability to block AC power, the lower the frequency, the lower the ability of the inductor to block AC power.

Disturbing the electromagnetic field generates a differential mode current between the line and the line, causing interference on the load. This is the differential mode interference; the disturbance electromagnetic field generates a common mode current between the ground and the ground, and the common mode current generates a differential mode voltage on the load, causing interference. This is the common-mode ground loop interference. The filter inductor that suppresses common-mode interference is called the common-mode inductor. The filter inductor that suppresses the differential-mode interference is called the differential-mode inductor.


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