DS/EN 61558-2-13:2009
电源电压高达 1100 V 的变压器、电抗器、电源装置和类似产品的安全性 第 2-13 部分:自耦变压器和装有自耦变压器的电源装置的特殊要求和测试
Safety of transformers, reactors, power supply units and similar products for supply voltages up to 1 100 V - Part 2-13: Particular requirements and tests for auto transformers and power supply units incorporating auto transformers