开关电源如何满足GB 4943.1在海拔5000m的电气间隙要求

Power Supply Design Guide for 5 000 m Altitude Request on Clearance of GB 4943.1

根据GB 4943.1-2011中对海拔5 000 m电气间隙的要求,分析某电源的绝缘设计,并对I类设备和Ⅱ类设备从电气间隙、变压器设计、光耦选择等方面提供理论指导。

According to GB 4943.1-2011 5 000 meter requirement of clearance, safety design is analyzed in detail of power supply, What＇s more, safety design guide in clearance, transformer design, optocoupler choice for switch power supply are proposed including class I and class II.