The accidental outage of electric power in hospital is a serious problem. The hospital reputation will be influenced upon power failure without a standby power operating emergency, even threatens patients' life. To prevent medical risk caused by accidental outage of electric power, this paper introduced PBY series high-capacity uninterrupted power supply cabinet in the role of hospital emergency standby power. The configuration of the hospital standby power supply was also discussed in the paper which can be the reference for the choice of standby power in hospital.%医院供电系统正常运行非常重要,如果发生意外停电时没有完好的后备电源将会给医院造成损失,甚至威胁患者生命安全.为了保证医院急救医疗设备的供电系统安全可靠,并防止医院意外停电带来的医疗风险,通过使用PBY系列大容量不问断电源柜,介绍其在医院备用电源领域中的作用,并对医院后备电源的配置进行探讨,提供医院选择后备电源的参考.
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