Interpretation of Harmonic Contribution Indices with respect to Calculated Emission Limits

2020 19th International Conference on Harmonics and Quality of Power (ICHQP) Pub Date : 2020-07-01 DOI:10.1109/ICHQP46026.2020.9177886

M. Pourarab, Jan Meyer, M. Halpin, Z. Iqbal, S. Djokic

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引用次数: 2

Abstract

The general process of evaluating harmonic emissions of a customer installation consists of two stages. In the first (planning) stage, emission limits are calculated based on the procedures provided in standards or guidelines. In the second (operating) stage, the “actual” contribution of the customer installation to the voltage harmonic distortion during operation is assessed and compared with the calculated emission limits. Several methods for the contribution assessment exist, but it is not clear how the determined contribution should be compared with the limits calculated in the planning stage. Some aspects and considerations as to how the emission limits can be compared with the common indices for harmonic contribution assessment are presented in this paper. After a brief introduction of the commonly used procedures and calculation methods, an example of a simplified low voltage test system with three customer installations is used for the calculation and comparison of all relevant indices.

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用计算的排放限值解释谐波贡献指数

评估客户装置的谐波排放的一般过程包括两个阶段。在第一(规划)阶段，排放限值是根据标准或准则所规定的程序计算的。在第二个(运行)阶段，评估客户安装对运行期间电压谐波失真的“实际”贡献，并与计算的排放限值进行比较。目前有几种摊款方法，但不清楚如何将确定的摊款与规划阶段计算的限额进行比较。本文介绍了如何将排放限值与谐波贡献评价的常用指标进行比较的一些方面和考虑。在简要介绍了常用的程序和计算方法后，以一个简化的低压试验系统为例，对三个客户装置的所有相关指标进行了计算和比较。

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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2020 19th International Conference on Harmonics and Quality of Power (ICHQP)

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