January 2025
Beginner
800 pages
24h 26m
English
Content preview from Introduction to Power Plant Engineering
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CHAPTER 17
Energy Storage
17.1 Why Energy is Needed to be Stored?
There is very little energy stored in the electric utility system that supplies electric power to consumers. The electric power must be supplied at the same rate that it is being utilized by the utility’s customers. Although there is some energy temporarily stored (and removed) each half cycle in the transmission and distribution lines and transformers, it is not available for supplying power when demand exceeds supply during a sustained period.
In a utility system, the supply of energy is usually fixed but the demand often fluctuates around this fixed level. So, it requires that the capacity of the utility plant is to be determined carefully; for example, if it is determined ...
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