标准摘要
[中文适用范围]： 本报告的目的是提供有关各种航空航天电线和电缆结构的紫外线 (UV) 激光打标和标记对比度测量结果的信息，其中大多数规范并未规定激光打标性的具体要求。本文件的内容仅供参考和指导。它无意用作 AS5649 电线和电缆打标工艺 @ 紫外激光所涵盖的打标工艺规范或标准 @ 的基础。 [外文原描述]： IEC 60034-27-3:2015 provides guidelines for the test procedures and the interpretation of test results for dielectric dissipation factor measurements on the stator winding insulation of rotating electrical machines. These guidelines are valid for rotating electrical machines with conductive slot coatings operating at a rated voltage of 6 kV and higher. This standard applies to individual form-wound stator bars and coils outside a core (uninstalled), individual stator bars and coils installed in a core and complete form-wound stator winding of machines in new or aged condition. This edition includes the following significant technical changes with respect to the previous publication IEC TR 60894:1987: - inclusion of digital measurement of dissipation factor and capacitance; - inclusion of limits for dissipation factor values; - detailed description of measuring techniques; extension of scope to complete windings.
英文名称Rotating electrical machines - Part 27-3: Dielectric dissipation factor measurement on stator winding insulation of rotating electrical machines