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Industrial electricity

How to know the consumption in kWh

Cuino
Cuino
13
hace 5 años
hace 5 años
Good day, in my work I have just installed equipment that does not have consumption specifications, they are asking me to obtain the consumption of said equipment to charge that excess charge for CFE, we are at an OM rate, three lines go to the main regulator of said equipment and in each line I get with Amp hook the following: L1 58.9, L2 54.2 and L3 53.3, the voltage between lines is 220 and between line and neutral is 110, I have read some ways but I have found so many differences that I ended up confused , as it should be the following: {[(L1+L2+L3)(220)] / 1000} 24 since it is a 24-hour device, could you please guide me a little. Regards!
Edurau
Edurau
835
hace 5 años

Cuino, a good approximation would be to take the 220 volt of the line most loaded by the amperes read with your amperometric clamp, they give you the instantaneous value, in watts, you divide them by 1000 and they are KWH. multiply by the hours of consumption you have the consumption day, week, month, year, whatever, so for each team you should estimate, when you compare it with what the bill says, there will be a difference influenced by the power factor and others seen and hidden consumptions such as driver warming.

Responder
Ennio Montenegro.
hace 5 años
hace 5 años
Cuino The way you indicate is not correct. The way to know the energy consumed KWH, is with an electric energy meter. By multiplying the voltage by the current, you are calculating the instantaneous apparent power. What is the vector sum of active power and reactive power. In addition there are consumptions of equipment that, depending on the load they have, consume more or less active power. To be as you put it, they would have to be purely resistive loads; have a constant voltage and be connected 24 hours. Comment doubts to clarify them.
Cuino
Cuino
13
hace 5 años
hace 5 años
Thank you colleagues, both of you helped me since the consumptions made in this month will be taken with approximation since it does not matter to lose or earn a little, and for the moment I am already looking at options to get a consumption meter in kWh but oh hell they are a bit expensive, the quotes have been around 25 thousand dollars + VAT since they are portable hooks, but I'm still looking for more accessible options, I will inform you which will be the one that I will install. Regards!
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