舰船消磁线圈的电感是工程中一个重要参数，准确计算其数值对于合理设计消磁线圈以及外围电路具有重要意义。相关文献提供的电感计算公式仅针对常规形状线圈，不适用于异型消磁线圈；有限元方法虽然精度高，但在计算大尺寸空心线圈时空间离散量过于庞大，导致普通微机无法实现。本文基于 Biot-Savart 原理，将舰船消磁线圈区域进行离散化处理，提出其电感的数值计算方法。该方法为舰船消磁线圈电感计算提供了新思路，且方便转化为计算机程序，并可推广到其他异型线圈的电感计算。
Inductance of ship degaussing coil is an important engineering parameter, whose precise value is vital for designing degaussing coil and the peripheral circuit. For degaussing coil is special-shaped, while inductance equations those existing handbook provides are only fit for conventional geometric shape. Finite element method can deal with special shape with high precision, but mesh data is too large to implement for PC. Based on Biot-Savart principle, this paper proposes a numerical method for computing the inductance value of ship degaussing coil, discretizing the coil into several straight segments and areas enclosed into several rectangular elements. This method provides a new way for inductance computation of ship degaussing coil, and is very convenient to implement by computer program, promising to be extended to other specialshaped coil.
2016,38(8): 100-103 收稿日期：2015-11-9
DOI：10.3404/j.issn.1672-7619.2016.08.021
分类号：TM153
作者简介：孙吉(1984-),男,博士,工程师,主要从事舰船监造工作。
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