Evaluation of Practical Application of Different Harmonic Allocation Methodologies

T. Vu, D. Robinson, V. Gosbell, S. Perera, R. Memisevic
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引用次数: 3

Abstract

Power electronic based frequency converters such as solar, wind and batteries, which produce harmonics, are becoming integral parts of modern power systems. Transmission and Distribution Network Operators find it increasingly difficult to manage harmonics in their network. In particular, harmonic allocation to large loads in transmission systems present many challenges for Transmission Network Operators. One of the challenges is that existing methodologies are unclear and often lead to misinterpretation and inconsistent application of harmonic guidelines and standards and ultimately fail to achieve fair and equitable harmonic allocation. Another challenge is that harmonic amplification, damping and absorption capability of transmission systems can be heavily affected by the complex relationship among synchronous machines, transmission lines and reactive network elements such as transformers, reactors and capacitors, under different network scenarios. This paper evaluates the practical application of different harmonic allocation methodologies and recommends the most practical method that allows maximum allocations to loads in transmission systems while ensuring compliance with planning levels.
不同谐波分配方法的实际应用评价
基于电力电子的频率转换器,如太阳能、风能和电池,产生谐波,正在成为现代电力系统的组成部分。输配网运营商发现电网谐波管理越来越困难。特别是输电系统中大负荷的谐波分配给输电网络运营商提出了许多挑战。其中一个挑战是,现有的方法不明确,往往导致对谐波准则和标准的误解和不一致的应用,最终无法实现公平公正的谐波分配。另一个挑战是,在不同的网络场景下,同步机、输电线路和变压器、电抗器、电容器等无功网元之间的复杂关系会严重影响输电系统的谐波放大、阻尼和吸收能力。本文评估了不同谐波分配方法的实际应用,并推荐了最实用的方法,在保证符合规划水平的同时,最大限度地分配给输电系统中的负荷。
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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