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Calculating Total Power Consumption for 400V 3Ph+N and 230V 1Ph+N Loads

Calculating Total Power Consumption for 400V 3Ph+N and 230V 1Ph+N Loads

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#1 21671696 14 Jun 2014 05:04

Natraj M Natraj M

Anonymous

Post #1
21671696 14 Jun 2014 05:04

Please can anyone clarify, how to arrive the total power consumption from the below details

400V, 3ph+N, total load is 17.92 kW
230V, 1ph+N, total load is 16.06kW

From the above how to arrive the Total power consumption of 400V, 3Ph+N

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#2 21671697 20 Jun 2014 03:53

Noreen Ras Noreen Ras

Anonymous

Post #2
21671697 20 Jun 2014 03:53

Single phase power = V x I x cos○

Where V and I are in rms value.

In a Balanced load,

Three Phase Power = 3 x Power/Phase

In your case since your loads are not balanced therefore solve for PF.

Power Factor = cos○
Power Factor = real power/apparent power
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Calculating Total Power Consumption for 400V 3Ph+N and 230V 1Ph+N Loads

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