problema 6
DESCRIPTION
problemaTRANSCRIPT
Problema. 6.
MOTOR 1(10HP, COS∅=0.88)
P=I N 1KVCos∅ n
IN 1=10∗746
√3∗220∗0.88∗0.9=24.72 A
ID1=I N 1∗1.25 ID1=24.72(1.25)
ID1=30.9 A
MOTOR 1(15HP, COS∅=0.85)
IN 2=15∗746
√3∗220∗0.85∗0.92=37.56 A
ID2=I N 2∗1.25 ID 2=37.56(1.25)
ID2=46.95 A
IN 2> IN 1
ID=1.25 I N 2+ IN 1
ID=1.25(37.56)+24.72
ID=71.67 A
Por tabla de cables: TW-80ID=88 A
S=K v∗L∗∑ I D∗cos∅
U∗U%
S=0.0309∗80∗[30.9∗0.88+46.95∗0.85 ]0.025∗220
S=30.16mm2
De tablas IDT=88 AS=30.16mm2
Stablas<Scable
16mm2<30.16mm2
De tabla concluimos:
IDT=110 AS=35mm2
I T=3∗110 A Sc=30.16mm2