12脉冲交直流变换器负载注入谐波损耗分析与估计

Proceedings of the IECON'97 23rd International Conference on Industrial Electronics, Control, and Instrumentation (Cat. No.97CH36066) Pub Date : 1997-11-09 DOI:10.1109/IECON.1997.671825

Shu Lu, C.E. Lin, C. Huang

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引用次数: 4

摘要

谐波损耗是谐波研究领域的一个常见问题。12脉冲交流-直流电源变换器是各种重型工业负载中应用最广泛的拓扑结构，因为在理想运行条件下，电源变换器变压器一次侧的5次、7次等谐波电流会消失。同时，电力变流器通过其变压器产生其他气体，并注入配电系统。然而，文献中并没有提出精确的分析方法来通过新的实权定义来分析这种影响。因此，本文提出了一种有效的方法来解决上述问题。利用所提出的方法和统计理论，对某重化工企业的12脉冲mva级变流器负荷进行了谐波损耗分析和估计。谐波损耗的这些结果可以提供可用的数据，使电力工程师能够了解功率损耗和需求侧负载的特性。

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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Injected harmonic losses analysis and estimation due to a 12-pulse AC-DC converter load

Harmonic losses are a common problem in the harmonic research area. A 12-pulse AC-DC power converter is the most widely topology used in different heavy industrial loads because the 5th, 7th, etc. harmonic currents will disappear in the primary side of the power converter transformer under ideal operation conditions. Simultaneously, other terms are produced from the power converter through its transformer, and injected into the distribution system. However no exact analytical method has been proposed to analyze such effects via the new real power definition in the literature. Therefore, in this paper, the authors propose an effective method to solve the above problem. Via the proposed method and statistical theory, a 12-pulse MVA-rating power converter load in a heavy chemical industry is presented to analyze and estimate harmonic losses. These results of harmonic losses can provide available data to enable power engineers to understand power losses and the characteristics of demand-side loads.

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来源期刊

Proceedings of the IECON'97 23rd International Conference on Industrial Electronics, Control, and Instrumentation (Cat. No.97CH36066)

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