Convertion of KW to KWH

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Convertion of KW to KWH

Postby Guest » Fri Nov 30, 2007 11:43 pm

How to convert Kw to Kwh? we have taken a KW reading evey 2 hrs in a day but when calculating ie multipying (24 X KW )with the actuals could not able meet the theoritcal reading with the practical reading.
kindly suggest

Postby Guest » Sun Dec 02, 2007 8:23 pm

1 kWh is 1 kW drawn for 1 hour.

But your sampling every two hours may not be sufficient given loads in your house that switch on and off automatically -- furnace, refrigerator, freezer, sump pumps, etc. You would have to get a statistically valid sample over 24 hours.

How are you measuring "whole house" power? Electric meters read energy (kWh). You could read at two different days/times, look at difference in readings and divide by the elapsed time. If you are using one of those "kill-a-watt" things, there are probably loads you are failing to measure.

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