This article discusses risk mitigation strategies for emergency power upgrades in critical facilities such as hospitals and data centers. Larger facilities and campuses typically have complex emergency power systems, which rely on multiple standby generators, control systems for paralleling and automatic transfer sequences, switchgear, and medium-voltage power distribution systems. Integration among components is essential in ensuring the reliable operation of the emergency power system. Given the critical nature of the loads supported by emergency power systems, downtime is unacceptable. There are a number of risk mitigation strategies that can be undertaken to minimize the operational risk associated with equipment upgrade projects. This article will review successful strategies from two separate projects that involved completely upgrading emergency power systems.

中文翻译：

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关键设施的紧急电力升级：风险缓解策略

本文讨论了医院和数据中心等关键设施应急电源升级的风险缓解策略。较大的设施和校园通常具有复杂的应急电源系统，这些系统依赖于多台备用发电机、用于并联和自动转换序列的控制系统、开关设备和中压配电系统。组件之间的集成对于确保应急电源系统的可靠运行至关重要。鉴于应急电源系统支持的负载的关键性质，停机是不可接受的。可以采取多种风险缓解策略来最大程度地降低与设备升级项目相关的操作风险。