15. Figure 12.31 shows a balanced three-phase three-wire system with positive phase sequence. Let V BC = 120 /60 ° V and Rw = 0.6 ohms. If the total cut (including wire resistance) draws 5 kVA at a PF = 0.8 lagging, determine (a) the power lost in the line resistance and (b) Van

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15. Figure 12.31 shows a balanced three-phase three-wire system with positive phase sequence. Let V BC = 120 /60 ° V and Rw = 0.6 ohms. If the total cut (including wire resistance) draws 5 kVA at a PF = 0.8 lagging, determine (a) the power lost in the line resistance and (b) Van

15. La figura 12.31 muestra un sistema trifásico balanceado de tres hilos con secuencia
de fase positiva. Sea V BC =
la resistencia del alambre) extrae 5 kVA a un PF = 0.8 retrasado, determinar (a) la
potencia perdida en la resistencia de línea y (b) Van-
120/60° V y Rw = 0.6 2. Si la carga total (incluyendo
Rw
Z,
V
сп
an
n
N
a
A
V bn
Rw
В
I FIGURA 12.31
Transcribed Image Text:15. La figura 12.31 muestra un sistema trifásico balanceado de tres hilos con secuencia de fase positiva. Sea V BC = la resistencia del alambre) extrae 5 kVA a un PF = 0.8 retrasado, determinar (a) la potencia perdida en la resistencia de línea y (b) Van- 120/60° V y Rw = 0.6 2. Si la carga total (incluyendo Rw Z, V сп an n N a A V bn Rw В I FIGURA 12.31
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