BACK-UP POWER — Basis of Design
For properties without back-up power: evaluate the feasibility of adding an Energy Storage System (ESS) as the source of back-up power. If it is not feasible, install a generator
emergency and standby power systems — outlines requirements for the installation and performance of backup power systems in emergency and legally required applications, where an outage would pose a life safety risk.
The backup power system may or not be interconnected with the utility grid. Onsite electrical power generating systems are readily available in a wide variety of designs for specific uses and customer applications. This type of power system consists of a power source and a means to transfer power from that source to the load when an outage occurs.
Emergency lighting is another aspect of an emergency power supply. Adequate emergency lighting during an outage is crucial for safety reasons. A UPS, battery backup system, or generator can supply emergency lighting. Having an emergency power supply is crucial for anyone who wants to be prepared for emergencies.
Your emergency power supply system (EPSS) refers to your functioning backup power system in its entirety. It includes the EPS, transfer switches, load terminals and all the equipment required to provide a safe and reliable alternative source of power for your facility (3.3.4).
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