...
  • 主题
高级搜索  >
历史搜索 清空历史
首页> 外文期刊>Electric power systems research >Efficiently computing the electrical parameters of cables with arbitrary cross-sections using the method-of-moments
【24h】

Efficiently computing the electrical parameters of cables with arbitrary cross-sections using the method-of-moments

机译：使用矩量法有效计算任意横截面的电缆的电气参数

获取原文
获取原文并翻译 | 示例
           
页面导航
  • 摘要
  • 著录项
  • 相似文献
  • 相关主题

摘要

In a recent work, a proximity-and skin-effect aware formulation known as the surface-volume-surface electric field integral equation discretized with 2-D method-of-moments (MoM) was optimized to efficiently extract the frequency dependent series impedance matrix of cables with arbitrary shapes. However, it was only applied to sector-shaped and coaxial cables due to the constraints on computing the shunt admittance matrix using closed-form approximations. This work presents formulation, discretization, and optimization techniques, for fast computation of the shunt admittance matrix of arbitrary-shaped cables by discretizing the problem of the quasi-electrostatics using 2-D MoM. With the proposed MoM techniques and optimization strategies, it is possible to accurately compute all the electrical parameters of arbitrary-shaped cables required in electromagnetic transient programs (EMTP) using today's typical computer power and with reasonable computational times. This provides an efficient modeling tool for any desired cable design. Frequency domain solutions of the proposed technique are compared against the finite-element method as well as the classical approximate formulas available for pertinent cable models. The resulting time domain transient simulations in EMTP are also investigated. (C) 2018 The Author(s). Published by Elsevier B.V.
机译：在最近的工作中，优化了一种具有接近和皮肤效应的公式，即用二维矩量法（MoM）离散化的称为“表面-体积-表面电场积分方程”的公式，以有效提取频率相关的串联阻抗矩阵任意形状的电缆。但是，由于使用封闭形式的近似值计算分流导纳矩阵的限制，它仅适用于扇形和同轴电缆。这项工作提出了公式化，离散化和优化技术，用于通过使用2-D MoM离散化准静电问题来快速计算任意形状电缆的并联导纳矩阵。利用提出的MoM技术和优化策略，可以使用当今的典型计算机功率并以合理的计算时间来精确计算电磁暂态程序（EMTP）所需的任意形状电缆的所有电参数。这为任何所需的电缆设计提供了有效的建模工具。将所提出技术的频域解决方案与有限元方法以及可用于相关电缆模型的经典近似公式进行了比较。还研究了在EMTP中产生的时域瞬态仿真。 （C）2018作者。由Elsevier B.V.发布

著录项

相似文献

  • 外文文献
  • 中文文献
  • 专利
获取原文

客服邮箱：kefu@zhangqiaokeyan.com

京公网安备：11010802029741号 ICP备案号：京ICP备15016152号-6 六维联合信息科技 (北京) 有限公司©版权所有

  • 客服微信

  • 服务号