Understanding Generator Capacity Ratings | Avoiding under-sizing or over-sizing
1.0 PDH Credit Certificate of Completion*
Once the decision has been made to require an emergency power system, the next step is to examine the systems expected to be supported by the back-up generator. The protected load could be limited to just cover the basic building systems, such as lighting and elevators to ensure that personnel can safely exit the facility. Alternately, back-up power may need to be continuously available for an indefinite time to support some or all systems of the entire facility that needs to remain occupied and operational.
Determining the load related issues were examined in part one of this series. However, while generator sizing would seem simple in principle, different applications place different demands and requirements for back-up power systems.
In this second of a five part series, we will discuss the following generator capacity and other key issues to consider when specifying, selecting and installing an emergency back-up power system.
- Understanding Capacity Ratings
- Impact of under sizing or oversizing
- Considerations for Future Load Growth
*It is up to each individual to verify that the course is approved by their state licensing board
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