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现行 IEC 61857-21:2009
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Electrical insulation systems - Procedures for thermal evaluation - Part 21: Specific requirements for general-purpose models - Wire-wound applications 电气绝缘系统 - 热评估程序 - 第21部分:通用型号的特殊要求 - 绕线应用
发布日期: 2009-05-13
IEC 61857-21:2009描述了一种通用模型(GPM)和一种高通道替代模型(GPM-TC),可用于评估没有或不需要特定电工产品的绕线电气绝缘系统(EIS)。 第三版取消并取代2004年出版的第二版,并构成编辑修订,以使本标准与第1部分和第22部分兼容。
IEC 61857-21:2009 describes a general-purpose model (GPM) and a tall channel alternative model (GPM-TC) which can be used for the evaluation of wire-wound electrical insulation systems (EIS) where specific electrotechnical products are not available or required. The third edition cancels and replaces the second edition published in 2004, and constitutes editorial revisions to make this standard compatible with Parts 1 and 22.
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