True Cause for Multi-Layer Inductive Coils’ Sensitivity to Ambient Relative Humidity
DOI:
https://doi.org/10.2478/msr-2021-0015Keywords:
equivalent circuit, revelation, true cause, neglect for 65 years, humidity-effect, multi-layer inductive coilsAbstract
For analyzing the properties of humidity-effect on the measurement of the inductance of multi-layer coils, a formula that establishes an approximate relationship between the coil’s inherent capacitance and interlayer parasitic capacitance has been derived. Such a derivation using the inductor’s equivalent circuit to include humidity effects clarifies the characterization of inductance, after more than half a century of neglect in the literature.
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