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Power System Operation and Control - Introduction - Important Terminalogies and Formulas - Power System Operation and Control

**IMPORTANT TERMINALOGIES**

Ø It is the sum of continuous ratings of all the equipments connected to supply systems.

Ø It is the greatest demand of load on the power station during a given period.

It is the ratio of maximum demand to connected load.

*Demand factor= (max demand)/ (connected load)*

The average of loads occurring on the power station in a given period (day or month or year) is known as average demand

*Daily average demand = (no of units generated per day) / (24 hours) Monthly average demand = (no of units generated in month) / (no of hours in a month)*

**Yearly average demand = (no of units generated in a year) / (no of hours in a year)**

The ratio of average load to the maximum demand during a given period is known as load factor.

*Load factor = (average load)/ (maximum demand)*

The ratio of the sum of individual maximum demand on power station is known as diversity factor.

*Diversity factor = (sum of individual maximum demand ) / (maximum demand).*

Ø This is the ratio of actual energy produced to the maximum possible energy that could have been produced during a given period.

*Capacity factor = (actual energy produced) / (maximum energy that have been produced)*

Ø It is the ratio of units generated to the product of plant capacity and the number of hours for which the plant was in operation.

*Units generated per annum= average load * hours in a year*

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Power System Operation and Control : Introduction : Important Terminalogies and Formulas - Power System Operation and Control |

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