中压架空电力线路用保护绝缘电线：优点和计算

Q3 Energy

Technical Electrodynamics Pub Date : 2022-08-18 DOI:10.15407/techned2022.05.014

O. D. Podoltsev, I. Kucheriava

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引用次数: 0

摘要

本文介绍了中压（高达35 kV）架空电力线路用保护绝缘电线与传统非绝缘电线相比的优点。建立了钢铝芯20kV保护绝缘导线的数学模型，并进行了计算机计算。在这种设计中，分析了架空电力线三根导线中的磁场和电流密度的分布，并考虑到钢芯在50–10000 Hz频率范围内的非线性特性来确定它们的电阻。这使得可以计算在瞬态条件下以及在电网中的高次谐波下电力线的导体中的电损耗。参考文献8，图4。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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PROTECTED INSULATED WIRES FOR MEDIUM-VOLTAGE OVERHEAD POWER LINES: ADVANTAGES, COMPUTATIONS

The paper presents the advantages of protected insulated wires for medium-voltage (up to 35 kV) overhead power lines compared to the lines with traditional non-insulated wires. The mathematical model is developed and the computer calculations are realized for a 20 kV protected insulated wire with a steel-aluminum core. For such design, the distributions of the magnetic field and current density in three wires of overhead power line are analyzed, their resistance is determined taking into account the nonlinear properties of the steel core within the frequency range of 50–10000 Hz. This makes it possible to compute the electrical losses in the conductors of the power lines under the transient conditions and at high harmonics in the power network. References 8, figures 4.

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来源期刊

Technical Electrodynamics Energy-Energy Engineering and Power Technology

CiteScore

1.80

自引率

0.00%

发文量

审稿时长

4 weeks