Coupled resonant circuit - QuickField simulation example
Example courtesy of Milan Ćuković.
Transfer function of two coupled resonant air-core coils versus excitation frequency and coil spacing, with one coil driven and the other connected to a load.
How to calculate the effect of frequency and coil spacing on the transfer function of two coupled resonant air-core coils?
Answer Typical applications Geometry
Given
Task
Solution
Results
Engineering question
Sweep frequency and spacing, excite the primary coil, and calculate the magnitude and phase of currents in both coils.
coupled air-core coils, resonant inductive coils, wireless power coils
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Simulation problem
Problem Type
Axisymmetric problem of AC magnetics.
Copper electric conductivity 59.6 MS/m
Voltage source 5 V (r.m.s. value), frequency sweep f = 1.. 21 kHz
Calculate the transfer function for different coil spacing ΔX and AC frequency f.
Voltage source is applied to the Coil #1. Coil #1 current and Coil #2 current magnitude and phase are measured.
The set of QuickField problems is automatically generated by the Label Mover tool.
Magnetic field distribution and induced currents
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