central station is supplying energy to a community through Four substations. The 2-hour average demand are in table 1. Determine a) load factor, b) capacity factor, c) use factor if the station shuts down for 15 days in a year (the daily load curve is the same the whole year), d) diversity factor between feeders at substation A, (e) diversity factor att central station. Substation A are Feeder 1-4; Substation B are Feeder 5-9; Substation C are Feeder 10-14; and Substation D are Feeder 15-20;

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
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Problem 1.1MA
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A central station is supplying energy to a community through Four substations. The 2-hour average demand are in table 1. Determine

a) load factor,

b) capacity factor,

c) use factor if the station shuts down for 15 days in a year (the daily load curve is the same the whole year),

d) diversity factor between feeders at substation A,

(e) diversity factor att central station. Substation A are Feeder 1-4; Substation B are Feeder 5-9; Substation C are Feeder 10-14; and Substation D are Feeder 15-20;

time
12:00 AM
2:00 AM
9
15
14
12
14
18
9
11
9
12
15
3
6.
15
10
14
9
17
2:00 AM
4:00 AM
10
9
18
3
20
5
10
18
3
10
5
7
18
19
9
11
4
17
20
4:00 AM
6:00 AM
10
13
6.
9.
18
15
12
13
20
10
10
18
8
17
10
3
7
6:00 AM
8:00 AM
11
11
17
15
14
15
12
5
5
17
13
8
3
12
8
12
8:00 AM
10:00 AM
12:00 PM
10:00 AM
15
11
17
11
10
10
16
3
11
4
10
19
4
10
11
10
12:00 PM
13
10
8
10
5
5
19
5
12
9
11
6
15
8
11
17
19
2:00 PM
11
12
12
8
15
11
12
9
5
12
15
9
14
4
11
2:00 PM
4:00 PM
10
11
2
15
7
14
7
15
21
11
10
3
17
5
6
4
10
4:00 PM
6:00 PM
14
8
9
12
13
14
5
6
4
11
8
18
11
14
21
6:00 PM
8:00 PM-
10:00 PM|
8:00 PM
10
10
10
6.
15
7
6
17
8
7
6
16
21
14
10
17
6
10:00 PM
7
18
13
15
14
9
13
16
8
12
3
8
7
17
13
12:00 AM
5
17
15
15
9
9
10
10
19
10
14
2
3
14
13
11
14
11
Plant Capacity
279
Feeder 1
Feeder 2
Feeder 3
Feeder 4
Feeder 6
31467
Feeder 7
Feeder 8
Feeder 9
Feeder 10
Feeder 11
Feeder 12
Feeder 13
Feeder 14
Feeder 15
Feeder 16
EEEARFeeder 18
Feeder 19
Feeder 20
Transcribed Image Text:time 12:00 AM 2:00 AM 9 15 14 12 14 18 9 11 9 12 15 3 6. 15 10 14 9 17 2:00 AM 4:00 AM 10 9 18 3 20 5 10 18 3 10 5 7 18 19 9 11 4 17 20 4:00 AM 6:00 AM 10 13 6. 9. 18 15 12 13 20 10 10 18 8 17 10 3 7 6:00 AM 8:00 AM 11 11 17 15 14 15 12 5 5 17 13 8 3 12 8 12 8:00 AM 10:00 AM 12:00 PM 10:00 AM 15 11 17 11 10 10 16 3 11 4 10 19 4 10 11 10 12:00 PM 13 10 8 10 5 5 19 5 12 9 11 6 15 8 11 17 19 2:00 PM 11 12 12 8 15 11 12 9 5 12 15 9 14 4 11 2:00 PM 4:00 PM 10 11 2 15 7 14 7 15 21 11 10 3 17 5 6 4 10 4:00 PM 6:00 PM 14 8 9 12 13 14 5 6 4 11 8 18 11 14 21 6:00 PM 8:00 PM- 10:00 PM| 8:00 PM 10 10 10 6. 15 7 6 17 8 7 6 16 21 14 10 17 6 10:00 PM 7 18 13 15 14 9 13 16 8 12 3 8 7 17 13 12:00 AM 5 17 15 15 9 9 10 10 19 10 14 2 3 14 13 11 14 11 Plant Capacity 279 Feeder 1 Feeder 2 Feeder 3 Feeder 4 Feeder 6 31467 Feeder 7 Feeder 8 Feeder 9 Feeder 10 Feeder 11 Feeder 12 Feeder 13 Feeder 14 Feeder 15 Feeder 16 EEEARFeeder 18 Feeder 19 Feeder 20
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