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| SoP
011 - A : System Average Interrruption Frequency Index (SAIFI) for Industrial
category |
|
|
1st 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 |
Apr-09 |
31867 |
23519 |
1 |
|
| 2 |
May-09 |
57402 |
34783 |
2 |
|
| 3 |
Jun-09 |
57628 |
26019 |
2 |
|
|
| SoP
011 - B : System Average Interrruption Duration Index (SAIDI) for Industrial
category |
|
|
1st
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 |
Apr-09 |
143.00 |
348 |
49804.3 |
23519 |
2.12 |
| 2 |
May-09 |
219.69 |
389 |
85484.5 |
34783 |
2.46 |
| 3 |
Jun-09 |
446.39 |
215 |
95870.7 |
26019 |
3.68 |
|
| SoP
011 - C : Momentary Average Interruption Frequency Index (MAIFI) for
Industrial category |
|
1st
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 |
Apr-09 |
655 |
170 |
111053 |
23519 |
5 |
| 2 |
May-09 |
747 |
291 |
217719 |
34783 |
6 |
| 3 |
Jun-09 |
1067 |
188 |
200125 |
26019 |
8 |
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