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Household Electricity

Exam question helps !! three-phase load balancing drop

carlosgiorgetti
hace 6 años
hace 6 años
Hello everyone again, I am from Argentina, I need to solve a test problem that they are posing a lot, I have a case of a minimum electrification degree housing according to AEA, but with three-phase descent, how to balance charges without passing the electrification degree? I have 1 IUG circuit with 7 mouths and 1 TUG with 14 mouths I ask Argentine electricians mainly about the AEA regulation to see if they can help me, it's an exam question. Greetings and thanks for any input
elektomaq
elektomaq
62.202
hace 6 años

Charles
With only 1 IUG x 7 mouths and a TUG x 14'bocas. First, it does not merit three-phase and then the DPMS does not modify the degree of electrification, thus maintaining the minimum degree of electrification

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carlosgiorgetti
hace 6 años

Well, the approach of the exam is that it has a three-phase air, there is a change in the rush, the problem is that adding mouths to balance charges makes no sense and they are asking for this in the test for electrician category III, as I can solve it, the air just doesn't It balances because it is not working all the time.

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elektomaq
elektomaq
62.202
hace 6 años
hace 6 años
The air has three-phase and single-phase parts. The three phase part is balanced. The single phase part must be balanced with the other circuits as follows: R phase for IUG S phase for TUG T phase for air conditioning (fans + control) As a clarification to different single-phase loads there is no 100% balance If there is such an air, the GE goes from minimum to medium this depends on the power of the air, the smallest three-phase are 4 kW (rounded value) this makes it impossible to keep a GE low comment doubts
carlosgiorgetti
hace 6 años

thanks, the air is raised by 1kw, I connect it as a TUE (specific) ACU, I pass kw to VA and I add it to the total DMPS, being ACU I should not change the GE, I would continue at a minimum, the only thing that if would take into account when choosing drivers and protections, thank you very much!

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elektomaq
elektomaq
62.202
hace 6 años

Air conditioning of 1 kW three-phase does not exist, it is good to be a hypothetical case for an exam but it would be much better if they give real situations
When it is an air conditioner (either single phase or three phase) the circuit will always be taken as ACU, never as TUE

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