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Friday, 17 October 2014

how to convert watts to kwh

How to convert watts to kwh

Electrical formulas

Kilowatt 

    The kilowatt-hour (symbolized kW⋅h) is a unit of energy equivalent to one kilowatt (1 kW) of power sustained for one hour. One watt is equal to 1 J/s. 

Formulas :

    Wh = watts * Time


   kwh = watts * time
                    1000

   kwh = kw * Time 


  kwh = 1000watts * 1 hours 


Example :

    What is the energy consumption in kwh when the power consumption in 7500 watts for the time 

duration of 9 Hrs.

Given Data :

   watts = 7500

    Duration = 9 hrs

Formula :

  kwh = watts * Time 
                   1000
       
          = 7500* 9
               1000

         = 67.5 kwh
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