Diversity factor

Diversity factor

Diversity factor: The probability that a particular piece of equipment will come on at the time of the facility's peak load. It is the ratio of the sum of the individual non-coincident maximum demands of various subdivisions of the system to the maximum demand of the complete system. The diversity factor is always greater than 1. The (unofficial) term diversity, as distinguished from diversity factor refers to the percent of time available that a machine, piece of equipment, or facility has its maximum or nominal load or demand (a 70% diversity means that the device in question operates at its nominal or maximum load level 70% of the time that it is connected and turned on).

Diversity factor is commonly used for a number of mathematics-related topics. One such instance is when completing a coordination study for a system. This diversity factor is used to estimate the load of a particular node in the system.

                     Diversity Factor = Sum of Individual Max. Demand
                                        ———————————————————————————————
                                         Max. Demand on Power Station

References

  1. IEEE Standard 141(TM)-1993, IEEE Recommended Practice for Electric Power Distribution for Industrial Plants, Red Book.
  2. Handbook for Electricity Metering, Edison Electric Institute, Tenth Edition.

simple word in diversity factor which means ratio sum of the individual max demand to total max demand of the power station.

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