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• #10454
Keymaster

if i want to know, whats load will be need in a apertment in where  3*1.5 ton ac,5*100watts tube light,2*40watts celling fan,1 electric heater 1000watts. i mean how much current need?

#11970
erickench
Participant

What is the area in square feet? Is it just one apartment or the entire building?

#11974
Keymaster

kamruzzaman said:

if i want to know, whats load will be need in a apertment in where  3*1.5 ton ac,5*100watts tube light,2*40watts celling fan,1 electric heater 1000watts. i mean how much current need?

1. 3*1.5 ton AC cunsumption in current is 16.5Amps when its calculated on 3 phase

2. 5*500 Watts tube light consumption is 0.69 Amps when its calculated on 3 phase

3. and all other loads will consume only 1.14 Amps

Total Requirement of current will be 18.4 Amps when its calculated on 3 phase.kamruzzaman said:

if i want to know, whats load will be need in a apertment in where  3*1.5 ton ac,5*100watts tube light,2*40watts celling fan,1 electric heater 1000watts. i mean how much current need?

kamruzzaman said:

if i want to know, whats load will be need in a apertment in where  3*1.5 ton ac,5*100watts tube light,2*40watts celling fan,1 electric heater 1000watts. i mean how much current need?

#11976
erickench
Participant

18.4 amps can't be correct. You must always assume that the AC and the heater are not going to operate at the same time. You must take the higher of these two loads in your calculations.

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