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| SoP
011 - A : System Average Interrruption Frequency Index (SAIFI) for Industrial
category |
|
|
4th Quarter |
Year - 2009-10 |
|
Sr.
No |
Month |
Ni - Number of
Customers for each sustained interruptions (in numbers) |
NT - Total No of customers
served
(in Numbers) |
SAIFI =
Ni/Nt
(Monthly SAIFI) |
|
| 1 |
2 |
3 |
4 |
5= 3 / 4 |
|
| 1 |
Jan-09 |
187183 |
23381 |
1 |
|
| 2 |
Feb-09 |
29793 |
35173 |
1 |
|
| 3 |
Mar-09 |
23061 |
24831 |
1 |
|
|
| SoP
011 - B : System Average Interrruption Duration Index (SAIDI) for Industrial
category |
|
|
4th
Quarter |
Year -
2009-10 |
Sr.
No |
Month |
Ri =
Restoration Time for each sustained interruption event
(in hours) |
Ni - Number of
interrupted Customers for each sustained interruption event
(in numbers) |
Ri* Ni -
Total customer interrution Duration |
NT - Total No of customers
served
(in Numbers) |
SAIDI =
Ri*Ni/Nt
(Monthly SAIDI) |
| 1 |
2 |
3 |
4 |
5 = 3 * 4 |
6 |
7= 5 / 6 |
| 1 |
Jan-09 |
98.34 |
459 |
45137.8 |
23381 |
1.93 |
| 2 |
Feb-09 |
160.74 |
224 |
35938.0 |
35173 |
1.02 |
| 3 |
Mar-09 |
176.34 |
217 |
38255.1 |
24831 |
1.54 |
|
| SoP
011 - C : Momentary Average Interruption Frequency Index (MAIFI) for
Industrial category |
|
4th
Quarter |
Year -
2009-10 |
Sr.
No |
Month |
IMi =
Number of Momentary interruptions for the month
(in numbers) |
Nmi =
Total no of customers for each momentary interruptions
(in numbers) |
Imi =Nmi
Number of customer Mementary interruptions
(in numbers) |
Nt -
Total no of customers served
(in numbers) |
MAIFI=
Imi*Nmi/
Nt |
| 1 |
2 |
3 |
4 |
5 = 3 * 4 |
6 |
7= 5 / 6 |
| 1 |
Jan-09 |
549 |
206 |
113158 |
23381 |
5 |
| 2 |
Feb-09 |
718 |
347 |
249073 |
35173 |
7 |
| 3 |
Mar-09 |
649 |
198 |
128196 |
24831 |
5 |
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