通过数值分析，给出了一系列描述平面螺旋线圈磁场分布特性的曲线，讨论了线圈结构对磁场分布的影响规律。

By numerical analysis, a series of curves are given to describe the magnetic flux density distribution character of the flat spiral coil.

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对干式空心电抗器三相运行时的磁场分布进行了计算，并给出了几种情况下磁场分布的规律曲线。

The magnetic field distribution of three-phase dry-type reactor with air-core is calculated. Regular curves of magnetic-field distribution in some conditions are also presented in this paper.

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