Talk:Multiplication factor
On 26 Dec 2004, this article was nominated for deletion. See Wikipedia:Votes for deletion/Multiplication factor for a record of the discussion. Rossami (talk)
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On 26 Dec 2004, this article was nominated for deletion. See Wikipedia:Votes for deletion/Multiplication factor for a record of the discussion. Rossami (talk) 00:18, 6 Jan 2005 (UTC)
Multiplying Factor formula
MF means Multiplying Factor which is used to calculate your bill. Energy meters are generally designed to withstand continuously 440 Volts and a maximum of 60 A current. If customer's load is more than 60 A or supply voltage is higher than 440 Volts, Current and voltage transformers are used in metering circuit to restrict the current and voltage to the rated capacity of meter. These transformers reduce the voltage & current applied to meter in certain proportion which is called transformation ratio. The consumption recorded by the meter is therefore less than the actual consumption of the customer in the same proportion. To arrive at actual consumption of customer, consumption registered by meter is multiplied by proportionality factor which is called Multiplying factor or MF.
Thus
Multiplying factor(MF) formula for energy meter
MF = (Main CT Ratio X main PT Ratio)/(Meter CT Ratio X Meter PT Ratio)
The ratio for CT & VT for a particular customer is designed in accordance with customer's load requirement and load pattern.
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