A fitted formula for calculation of three-section solenoids inductance
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摘要: 提出了一种多层螺线管线圈电感的精确计算方法，其思想是叠加螺线管单层线圈的自感和不同线圈层之间的互感。建立了用于计算单层线圈自感的显示表达理论模型，给出了两层线圈之间互感的数值计算方法。使用提出的精确算法，计算出一个实验中使用的螺线管线圈的电感为4.30 mH，与实验测量的电感值4.33 mH的偏差小于1%。Abstract: An algorithm for precisely calculating the inductance of a three-section solenoid is presented, which is based on summing the layer self-inductances and the mutual inductances. A theoretical model with explicit expressions is firstly developed to calculate the self-inductance of a single layer, and then numerical calculation of the mutual inductance between two layers is introduced. Using the presented computation method, the inductance of a solenoid designed in the experiment is successfully calculated (4.30 mH), which has a difference of less than 1% from the experimental data.
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Key words:
- three-section solenoid /
- self-inductance /
- mutual inductance /
- magnetic field /
- high power microwave
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