高压直流输电系统 交流滤波器规格和设计评估指南 第2部分：谐波性能方面

[中文适用范围]： IEC TS 62001-2:2026 为高压直流（HVDC）系统交流滤波器的规格制定与设计评估提供了指导，重点涵盖谐波性能方面。该文件聚焦于三个特定领域：第4 条讨论了与 HVDC 输电运行相关的电话干扰问题，包括适当谐波限值的推导；第5 条处理基于电流的谐波性能标准及其应用的各个方面；第6 条涉及现场测量与谐波限值合规性的验证。本文件主要针对无源交流滤波器技术及线换相高压直流换流器，但其中大部分内容同样适用于电压源换流器（VSC）技术；如有区分之处，文中已明确说明。本文件的适用范围涵盖在谐波畸变和可闻频率干扰方面相关频段的交流侧滤波，但不包括专门用于有效抑制电力线载波（PLC）和无线电干扰频谱的滤波器。相较于 IEC TR 62001-2:2016，本版次的重大技术变更包括：a) 新增第3 条，规定术语与定义；b) 将原第3 条拆分，形成新的第4 条和第5 条；c) 对大量条文进行更新，以反映时间进程中的技术进展；d) 将 IEC TR 62001-3:2016 附录 C 中的大部分内容转移至第6 条。 [外文原描述]： IEC TS 62001-2:2026 gives a guidance to the specification and design evaluation of AC filters of high-voltage direct current HVDC) systems, specifically on harmonic performance aspects. This document focusses on three specific areas of interest. Clause 4 discusses telephone interference related to the operation of HVDC transmission, including the derivation of appropriate harmonic limits. Clause 5 deals with all aspects of current-based harmonic performance criteria and their application. Clause 6 is concerned with field measurement and verification of compliance with specified harmonic limits. This document concentrates on passive AC filter technology and line-commutated high-voltage direct current (HVDC) converters, but much of the content is equally relevant to VSC converter technology. Where there is a distinction, this is indicated in the text. The scope of this document covers AC side filtering for the frequency range of interest in terms of harmonic distortion and audible frequency disturbances. It excludes filters specifically designed to be effective in the PLC and radio interference spectra. This edition includes the following significant technical changes with respect to IEC TR 62001‑2:2016: a) added Clause 3 on terms and definitions; b) split old Clause 3 to form new Clause 4 and Clause 5; c) extensive updating of text to reflect progress in time; d) transferred most of IEC TR 62001‑3:2016, Annex C, to Clause 6.