从EMC角度看直流输电系统的性能

Proceedings of the International Conference on Electromagnetic Interference and Compatibility Pub Date : 1900-01-01 DOI:10.1109/ICEMIC.1999.871587

R. Ganesan, S.K. Das, K.V.K. Sampath

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引用次数: 1

摘要

高压直流技术通过源端交流到直流和负载端直流到交流的转换，处理数亿瓦电力的高效传输。无论系统配置如何，转换器都会产生大量的电力谐波并馈入传输系统。这种系统把不需要的电子噪声耦合到同一位置的电话电路中。本文分析了高压直流输电到电信系统的电力谐波的产生和耦合机理，并描述了一个与高压直流输电线路并联的地下电话电缆的案例研究。

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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HVDC transmission system performance from EMC perspective

HVDC technology deals with efficient transportation of hundreds of million watts of electrical power through conversion from ac to dc at the source end and dc to ac at the load end. Irrespective of system configuration, the converter generates a significant amount of power harmonics and feeds onto the transmission system. Systems of this kind couple unwanted electrical noise into co-located telephone circuits. This paper analyses the generation and coupling mechanism of power harmonics from HVDC to telecommunication systems and describes a case study involving underground telephone cables running parallel to HVDC transmission lines.

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Proceedings of the International Conference on Electromagnetic Interference and Compatibility

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