用于高压直流 (HVDC) 电力传输的电压源换流阀 (VSC) 电气测试

[中文适用范围]： 本国际标准适用于自换向转换阀，用于高压直流输电的三相桥电压源转换器（VSC）或作为背靠背连接的一部分，以及动态制动阀。仅限于电气类型和生产测试。 本文件可用作测试用于储能系统（ESS）的高压VSC阀的指南。 本文件中规定的测试基于空气绝缘阀。测试要求和验收标准可用作指导，以规定其他类型阀的电气类型和生产测试。 [外文原描述]： IEC 62501:2024 applies to self-commutated converter valves, for use in a three-phase bridge voltage sourced converter (VSC) for high voltage DC power transmission or as part of a back-to-back link, and to dynamic braking valves. It is restricted to electrical type and production tests. This document can be used as a guide for testing of high-voltage VSC valves used in energy storage systems (ESS). The tests specified in this document are based on air insulated valves. The test requirements and acceptance criteria can be used for guidance to specify the electrical type and production tests of other types of valves. This edition includes the following significant technical changes with respect to the previous edition: a) Conditions for use of evidence in lieu are inserted as a new Table 1; b) Test parameters for valve support DC voltage test, 7.3.2, and MVU DC voltage test, 8.4.1, updated; c) AC-DC voltage test between valve terminals, Clause 9, is restructured and alternative tests, by individual AC and DC voltage tests, added in 9.4.2; d) Partial discharge test in routine test program is removed; e) More information on valve component fault tolerance, Annex B, is added; f) Valve losses determination is added as Annex C.