交流电压1000V以上的绝缘套管

[中文适用范围]： 本国际标准规定了绝缘套管的特性和试验。本标准适用于第 3 章中规定的套管，用于电气设备、机械、变压器、开关设备和三相交流系统装置，设备最高电压超过 1000 V，电源频率为 15 Hz 以上。至 60 Hz（含）。根据买方和供应商之间的特别协议，本标准可部分或全部适用于以下各项： 用于非三相系统的套管；高压直流系统套管；用于测试变压器的套管；电容器套管。本标准中变压器套管的特殊要求和试验也适用于电抗器套管。本标准适用于单独制造和销售的套管。作为设备一部分且无法根据本标准进行测试的套管应使用其构成部分的设备进行测试。 [外文原描述]： IEC 60137:2017 specifies the characteristics and tests for insulated bushings. This standard is applicable to bushings, as defined in Clause 3, intended for use in electrical apparatus, machinery, transformers, switchgear and installations for three-phase alternating current systems, having highest voltage for equipment above 1 000 V and power frequencies of 15 Hz up to and including 60 Hz. Subject to special agreement between purchaser and supplier, this standard may be applied, in part or as a whole, to the following: - bushings used in other than three-phase systems; - bushings for high-voltage direct current systems; - bushings for testing transformers; - bushings for capacitors. Special requirements and tests for transformer bushings in this standard apply also to reactor bushings. This standard is applicable to bushings made and sold separately. Bushings which are a part of an apparatus and which cannot be tested according to this standard should be tested with the apparatus of which they form part. This edition includes the following significant technical changes with respect to the previous edition: - Resin-impregnated synthetic (RIS) bushings has been introduced. - Bushings with Um ≤ 1,1 kV, Um = 1100 kV and Um = 1200 kV have been introduced. - Temperature rise testing has been included for liquid-insulated bushings according to clause to 3.4. - Introducing dry lightning impulse testing as a routine test for all transformer bushings with Um > 72,5 kV. - The altitude correction procedure has been revised ( > 1 000 m). - An explanation about Very Fast Transient (VFT) phenomenon and its impact on bushings has been included. The contents of the corrigendum of May 2018 have been included in this copy.