IEC 61558-2-2-2007
电力变压器、电源、电抗器和类似产品的安全.第2-2部分:控制变压器和与控制变压器组合电源的特殊要求和试验
Safety of power transformers, power supplies, reactors and similar products - Part 2-2: Particular requirements and tests for control transformers and power supplies incorporationg control transformers