Assuming that correction factor K-0.7 for all loads. From B to E, the size of cable per phase (S) and the percentage voltage drop (%VD) will be:

Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
Section: Chapter Questions
Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...
icon
Related questions
icon
Concept explainers
Question
Consider the below secondary system
MV.CBO
Primary
DT
200KVA
20KV-220/380V
LV.CB
Outdoor temperature tnao t
Secondary main
XLPE
direct in air
LHAB 150m
FACTORY BUILDING
indoor temperature t-30 C
SD1 C
30
E SD3
30
в
L-BC-60m
in conduit
PVC
L-BE=100m
On cable tray
XLPE
SOKW
5OKVA
L-BD-40m
in duct
XLPE
SD2
30
D
SOHP
where all loads are lagging with PF=0.8. The table of conductor parameters is as follow
Conductor size
16 mm2
Ampacity / phase
R (N km)
X (A km)
S0A
0.7
0.07
25 mm2
63А
0.6
0.06
35 mm2
S0A
0.5
0.05
50 mm2
100A.
0.4
0.04
70 mm2
140A
0.3
0.03
95 mm2
180A
0.2
0.02
120 mm2
250A
0.1
0.01
150 mm2
350A
0.09
0.009
Assuming that correction factor K-0.7 for all loads. From B to E, the size of cable per phase (S) and the percentage voltage drop (%VD) will
be:
Select one:
O a. S- 50mm? & %VD = 2.99%
Ob. S= 70mm? & %VD = 1.199%
O. S- 95mm & %VD = 1.99%
O d. None of these
Oe. S- 95mm? & %VD - 0.93%
Ot S- 70mm? & %VD = 0.99%
Transcribed Image Text:Consider the below secondary system MV.CBO Primary DT 200KVA 20KV-220/380V LV.CB Outdoor temperature tnao t Secondary main XLPE direct in air LHAB 150m FACTORY BUILDING indoor temperature t-30 C SD1 C 30 E SD3 30 в L-BC-60m in conduit PVC L-BE=100m On cable tray XLPE SOKW 5OKVA L-BD-40m in duct XLPE SD2 30 D SOHP where all loads are lagging with PF=0.8. The table of conductor parameters is as follow Conductor size 16 mm2 Ampacity / phase R (N km) X (A km) S0A 0.7 0.07 25 mm2 63А 0.6 0.06 35 mm2 S0A 0.5 0.05 50 mm2 100A. 0.4 0.04 70 mm2 140A 0.3 0.03 95 mm2 180A 0.2 0.02 120 mm2 250A 0.1 0.01 150 mm2 350A 0.09 0.009 Assuming that correction factor K-0.7 for all loads. From B to E, the size of cable per phase (S) and the percentage voltage drop (%VD) will be: Select one: O a. S- 50mm? & %VD = 2.99% Ob. S= 70mm? & %VD = 1.199% O. S- 95mm & %VD = 1.99% O d. None of these Oe. S- 95mm? & %VD - 0.93% Ot S- 70mm? & %VD = 0.99%
Expert Solution
steps

Step by step

Solved in 2 steps with 2 images

Blurred answer
Knowledge Booster
Transmission line parameter
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, electrical-engineering and related others by exploring similar questions and additional content below.
Similar questions
Recommended textbooks for you
Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
Electrical Engineering
ISBN:
9780133923605
Author:
Robert L. Boylestad
Publisher:
PEARSON
Delmar's Standard Textbook Of Electricity
Delmar's Standard Textbook Of Electricity
Electrical Engineering
ISBN:
9781337900348
Author:
Stephen L. Herman
Publisher:
Cengage Learning
Programmable Logic Controllers
Programmable Logic Controllers
Electrical Engineering
ISBN:
9780073373843
Author:
Frank D. Petruzella
Publisher:
McGraw-Hill Education
Fundamentals of Electric Circuits
Fundamentals of Electric Circuits
Electrical Engineering
ISBN:
9780078028229
Author:
Charles K Alexander, Matthew Sadiku
Publisher:
McGraw-Hill Education
Electric Circuits. (11th Edition)
Electric Circuits. (11th Edition)
Electrical Engineering
ISBN:
9780134746968
Author:
James W. Nilsson, Susan Riedel
Publisher:
PEARSON
Engineering Electromagnetics
Engineering Electromagnetics
Electrical Engineering
ISBN:
9780078028151
Author:
Hayt, William H. (william Hart), Jr, BUCK, John A.
Publisher:
Mcgraw-hill Education,