rafael electricas
DESCRIPTION
instalaciones eléctricas de una vivienda multifamiliarTRANSCRIPT
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Grupo N : 4
Caso N 3 VIVIENDA
At (1°) = 210 m2 −→210m2
At (2°) = 150 m2 −→ 150m2
At (3°) = 95 m2 −→71.25m2
________
43125 m2
I) CARGAS BASICAS
90 m2 = 2,500 W
90 m2 = 1,000W
90 m2 = 1,000 W
90 m2 = 1,000 W
71.25 m2 = 1,000W ________ 6,500 W
II) Cuadro de cargas básicas
Carga vivienda PI DMCarga básicaCocina eléctrica (3⌀ )Terma eléctrica (2⌀ )Electrobomba (2⌀ )Secadora (2⌀ )reserva
6.500 w8,000 w2,500 w740 w2,500 w1,500 w
6,500 w6,000 w2,500 w186.5 w625 w375 w
total 21,746 w % 186.50 w
Hallamos
I v = DM
K−Vcos⌀ = 16,186.50w
√3 (220v )(0.9)
IN = 47.20 A
Id = 47.20ª (1.20)
Id = 56.64 A
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Por tabla A 1 S = 16 mm2
ΔV= K∗Id∗LS
ΔV = √3∗0.0175 ohm∗mm2
m¿(56 .64 Δ)(25m) ¿
16mm2
ΔV = 2.68 v
DIAMETRO DE TUBERIAS
ALIMENTADOR configuaracion Lima = Delta
S = 16 mm2 Nro de cobres = 3+1(neutro ) = 4
DERIVADAS DEL PRIMER PISO
Nro de cobres * monofásica = 2+1 = 3
* trifásicas = 3+1 = 4
a) cocina eléctrica (3⌀ )
In = 8,000w
√3 (220v )(0.9)
In = 23.32 A
Id = 28 A
S = 8 mm2
⌀ =34
= 20 mm2
b) terma eléctrica (2⌀ )
In = 2,500w
1∗(220v )(0.9)
In = 1136 A
Id = 13.63 A
S = 2.5 mm2
⌀ =12
= 15 mm2
C) electrobomba (2⌀ )
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In = 2,500w
1∗(220 v )∗1
In = 3.77 A
Id = 4.52 A
S = 2.5 mm2
⌀ =12
= 15 mm2
C) secadora (2⌀ )
In = 2,500w
1∗(220 v )∗(0.9)
In =12.62 A
Id = 15.15 A
S = 2.5 mm2
⌀ =12
= 15 mm2