cable The 1st Run of the Power Line Consumption 1 Generation 1 The 2nd Run cable Consumption 2 Generation 2 cable The 3rd Run Consumption 3 Generation 3 consum- genera- consum- type length cos COS Q type length COS Q ption 1 tion 1 ption 2 genera- tion 2 consum- cos type length COS Q ption 3 genera -tion 3 COS Q Al/Fe [m] [kW] ind [kW] cap Al/Fe [m] [kW] ind [kW] cap Al/Fe [m] [kW] ind [kW] cap 95/16 8000 2250 0.95 1 95/16 4000 1750 0.95 1 95/16 3000 2400 0.95 1000 0.95 The 4th Run cable Consumption 4 Generation 4 The 5th Run cable Consumption 3 Generation 3 consum- genera consum- genera type length COS Q COS Q type length ༔ COS Q cos Q ption 4 -tion 4 ption 5 -tion 5 Al/Fe [m] [kW] ind [kW] cap Al/Fe [m] [kW] ind [kW] сар 70/11 3000 2400 0.98 1000 0.95 70/11 3000 2300 0.95 1000 0.98

Electricity for Refrigeration, Heating, and Air Conditioning (MindTap Course List)
10th Edition
ISBN:9781337399128
Author:Russell E. Smith
Publisher:Russell E. Smith
Chapter7: Alternating Current, Power Distribution, And Voltage Systems
Section: Chapter Questions
Problem 12RQ
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Question

Perform a detailed voltage analysis in the given medium-voltage 6-node radial power system example. Reflect on voltage drops, power losses and line efficiency for your given consumption, for consumption that is 25% higher and consumption that is 25% lower.
Then repeat all 3 analyses if the consumption at node 5 is with power factor of 1.

Analyse and discuss the sensitivity of voltage drop [in % of amplitude] and with respect to the current level and the power factor.

Identify the maximal generating power (MW only) that your network can accept in a single node without voltage in any node exceeding 1.05 p.u.

 

cable
The 1st Run of the Power Line
Consumption 1
Generation 1
The 2nd Run
cable
Consumption 2
Generation 2
cable
The 3rd Run
Consumption 3
Generation 3
consum-
genera-
consum-
type
length
cos
COS Q
type
length
COS Q
ption 1
tion 1
ption 2
genera-
tion 2
consum-
cos
type length
COS Q
ption 3
genera
-tion 3
COS Q
Al/Fe
[m]
[kW]
ind
[kW]
cap
Al/Fe
[m]
[kW]
ind
[kW]
cap
Al/Fe
[m]
[kW]
ind
[kW]
cap
95/16
8000
2250
0.95
1
95/16
4000
1750
0.95
1
95/16
3000
2400
0.95
1000
0.95
The 4th Run
cable
Consumption 4
Generation 4
The 5th Run
cable
Consumption 3
Generation 3
consum-
genera
consum-
genera
type length
COS Q
COS Q
type
length
༔
COS Q
cos Q
ption 4
-tion 4
ption 5
-tion 5
Al/Fe
[m]
[kW]
ind
[kW]
cap
Al/Fe
[m]
[kW]
ind
[kW]
сар
70/11
3000
2400
0.98
1000
0.95
70/11
3000
2300
0.95
1000
0.98
Transcribed Image Text:cable The 1st Run of the Power Line Consumption 1 Generation 1 The 2nd Run cable Consumption 2 Generation 2 cable The 3rd Run Consumption 3 Generation 3 consum- genera- consum- type length cos COS Q type length COS Q ption 1 tion 1 ption 2 genera- tion 2 consum- cos type length COS Q ption 3 genera -tion 3 COS Q Al/Fe [m] [kW] ind [kW] cap Al/Fe [m] [kW] ind [kW] cap Al/Fe [m] [kW] ind [kW] cap 95/16 8000 2250 0.95 1 95/16 4000 1750 0.95 1 95/16 3000 2400 0.95 1000 0.95 The 4th Run cable Consumption 4 Generation 4 The 5th Run cable Consumption 3 Generation 3 consum- genera consum- genera type length COS Q COS Q type length ༔ COS Q cos Q ption 4 -tion 4 ption 5 -tion 5 Al/Fe [m] [kW] ind [kW] cap Al/Fe [m] [kW] ind [kW] сар 70/11 3000 2400 0.98 1000 0.95 70/11 3000 2300 0.95 1000 0.98
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