# \#permeance

**URL:** https://forum.plexim.com/tag/permeance/454.md

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## [Variable inductor with permeance varition](https://forum.plexim.com/t/variable-inductor-with-permeance-varition/2936)

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**Author:** [@nareshmeena2601](https://forum.plexim.com/u/nareshmeena2601)\
**Replies:** 1\
**Last updated:** [March 27, 2026, 2:52pm UTC](https://forum.plexim.com/t/variable-inductor-with-permeance-varition/2936 "2026-03-27T14:52:48Z")

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I am simulating a magnetic circuit in PLECS using a variable permeance-based model. The setup consists of multiple magnetic limbs, and I am intentionally switching one limb (S1) ON/OFF to study the behaviour of the circu…

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## [Variable Magnetic Permeance example circuit for time-varying permeance modeling](https://forum.plexim.com/t/variable-magnetic-permeance-example-circuit-for-time-varying-permeance-modeling/1231)

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**Author:** [@pchannegowda](https://forum.plexim.com/u/pchannegowda)\
**Replies:** 2\
**Last updated:** [April 21, 2023, 9:57am UTC](https://forum.plexim.com/t/variable-magnetic-permeance-example-circuit-for-time-varying-permeance-modeling/1231 "2023-04-21T09:57:15Z")

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I am trying to simulate a magnetic circuit that includes a magnetic flux path with varying (time-varying) permeance. The component that closest matches this requirement is the Variable Magnetic Permeance. I have referre…