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IEVref:131-12-20ID:
Language:enStatus: Standard
Term: differential inductance
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Symbol: Ld
Definition: for an inductive two-terminal element with terminals A and B, derivative of the linked flux Ψ between the terminals with respect to the electric current i in the element:

L d = dΨ di MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbbjxAHX garuavP1wzZbItLDhis9wBH5garmWu51MyVXgaruWqVvNCPvMCG4uz 3bqee0evGueE0jxyaibaieYdi9WrpeeC0lXdi9qqqj=hEeeu0lXdbb a9frFj0xb9Lqpepeea0xd9s8qiYRWxGi6xij=hbba9q8aq0=yq=He9 q8qiLsFr0=vr0=vr0db8meGabaGacmGadiWaaiWabaabaiaafaaake aacaWGmbWaaSbaaSqaaiaacsgaaeqaaOGaeyypa0ZaaSaaaeaaciGG KbGaeuiQdKfabaGaciizaiaadMgaaaaaaa@40E5@

where the sign of the linked flux is determined by taking the voltage, in the time integral defining it, as the difference of the electric potentials at A and B, and where the current is taken as positive if its direction is from A to B and negative in the opposite case

NOTE – For an ideal inductor, the differential inductance Ld is equal to its inductance L.


Publication date:2008-09
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Internal notes:2017-06-02: Cleanup - Remove Attached Image 131-12-20en.gif
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