A central station is supplying energy to a community through Four substations. The 2-hour average demand are in table 1. Determinea) 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; time12:00 AM2:00 AM915141214189119121536.1510149172:00 AM4:00 AM1091832051018310571819911417204:00 AM6:00 AM10136.9.181512132010101881710376:00 AM8:00 AM1111171514151255171383128128:00 AM10:00 AM12:00 PM10:00 AM1511171110101631141019410111012:00 PM1310810551951291161581117192:00 PM11121281511129512159144112:00 PM4:00 PM1011215714715211110317564104:00 PM6:00 PM1489121314564118181114216:00 PM8:00 PM-10:00 PM|8:00 PM1010106.1576178761621141017610:00 PM71813151491316812387171312:00 AM5171515991010191014231413111411Plant Capacity279Feeder 1Feeder 2Feeder 3Feeder 4Feeder 631467Feeder 7Feeder 8Feeder 9Feeder 10Feeder 11Feeder 12Feeder 13Feeder 14Feeder 15Feeder 16EEEARFeeder 18Feeder 19Feeder 20

Diversity factor is define as the ratio of the sum of the maximum demands of the various part of the…

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Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

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Question

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

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ISBN:

9780190698614

Author:

Sadiku, Matthew N. O.

Publisher:

Oxford University Press