额定电压150 kV 至 500 kV 的挤压绝缘电力电缆及其附件 测试方法和要求

[中文适用范围]： IEC 62067:2011 RLV 包含官方 IEC 国际标准及其红线版本。 Redline 版本仅提供英文版本，为您提供了一种快速、简单的方法来比较官方 IEC 标准与其先前版本之间的所有更改。 IEC 62067:2011 规定了额定电压高于 150 kV (Um = 170 kV) 至 500 kV (Um = 550 kV) 的电力电缆系统、挤压绝缘电缆及其附件的测试方法和要求。这些要求适用于通常安装和运行条件下的单芯电缆及其附件，但不适用于特殊电缆及其附件，例如海底电缆，因为可能需要对标准测试进行修改或可能需要特殊的测试条件有待设计。本标准不包括挤包绝缘电缆和纸绝缘电缆之间的过渡接头。相对于前一版本的重大技术变化如下： ——增加了资格预审测试的扩展，与完整的资格预审测试相比，完成时间明显缩短； - 在对预制附件的主绝缘进行例行测试时，局部放电测试所需的灵敏度水平从 10 pC 降低到 5 pC。注意：有关第二版之前事件的更详细历史记录，请参阅简介。 [外文原描述]： IEC 62067:2011 RLV contains both the official IEC International Standard and its Redline version. The Redline version is available in English only and provides you with a quick and easy way to compare all the changes between the official IEC Standard and its previous edition. IEC 62067:2011 specifies test methods and requirements for power cable systems, cables with extruded insulation and their accessories for fixed installations, for rated voltages above 150 kV (Um = 170 kV) up to and including 500 kV (Um = 550 kV). The requirements apply to single-core cables and to their accessories for usual conditions of installation and operation, but not to special cables and their accessories, such as submarine cables, for which modifications to the standard tests may be necessary or special test conditions may need to be devised. This standard does not cover transition joints between cables with extruded insulation and paper insulated cables. The significant technical changes with respect to the previous edition are as follows: - addition of the extension of prequalification test, requiring significant less time to be completed compared with the full prequalification test; - during the routine tests on the main insulation of prefabricated accessories the required sensitivity level for the partial discharge test is reduced from 10 pC to 5 pC. NOTE: For a more detailed history of events leading up to this second edition, see the introduction.