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In electronics, a load profile is a graph of the changes in the electrical load on an electrical device versus time.
Power Generation
In the electricity generation sector, a load curve is a chart showing the amount of electricity customers use over the course of time. Power producers use this information to plan how much electricity they will need to make at given times. A load duration curve is similar to a load curve. The information is the same but is presented in a different form. These curves are useful in the selection of generator units for supplying electricity.
Power Distribution
In the power distribution business, the load profile of electricity usage is important in the efficiency and reliability of power transmission. The power transformer is a critical aspect of power distribution and sizing and modelling of transformers depends on the load profile. The more erratic the load profile, the wider the margin of error a transformer must be able to account for and this detracts from the electrical efficiency of the transformer.
See also
"Load profile"