介绍了医疗电气设备电磁兼容(Electromagnetic Compatibility,EMC)的标准规范;阐述了浪涌产生电磁干扰(Electromagnetic Interference,EMI)对医疗电气设备的重大影响;分析了不间断电源(Uninterruptible Power Supply,UPS)浪涌防护对关键医疗电气设备防电磁干扰的意义;最后针对一款医用UPS在浪涌试验中出现的问题,通过优化浪涌防护电路的设计,提高UPS浪涌防护能力,保障医疗电气设备的用电安全稳定.
Research on Surge Protection of Hospital Uninterruptible Power Supply
This article introduces the standards and regulations for electromagnetic compatibility(EMC)requirements of medical electrical equipment;Elaborated on the significant impact of electromagnetic interference(EMI)generated by surges on medical appliances;Analyzed the significance of surge protection for uninterruptible power supply(UPS)in preventing electromagnetic interference in key medical electrical equipment;In response to the problems encountered in the surge test of a medical UPS,the parameters of the surge protection circuit are optimized to improve the UPS's surge protection capability and ensure the electrical safety and stability of medical electrical equipment.