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| SoP 011 - A
: System Average Interrruption Frequency Index (SAIFI) for Urban 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 |
Oct-09 |
1725687 |
1569873 |
1.10 |
|
| 2 |
Nov-09 |
1542987 |
1585726 |
0.97 |
|
| 3 |
Dec-09 |
1048779 |
1578674 |
0.66 |
|
|
| SoP 011 - B
: System Average Interrruption Duration Index (SAIDI) for Urban 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 |
Oct-09 |
615.99 |
3714 |
2287510.78 |
1569873 |
1.46 |
| 2 |
Nov-09 |
473.09 |
5229 |
2473838.99 |
1585726 |
1.56 |
| 3 |
Dec-09 |
272.15 |
6087 |
1656543.34 |
1578674 |
1.05 |
|
| SoP 011 - C
: Momentary Average Interruption Frequency Index (MAIFI) for Urban 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 |
Oct-09 |
2740 |
3894 |
10668616 |
1569873 |
6.80 |
| 2 |
Nov-09 |
2896 |
4575 |
13248388 |
1585726 |
8.35 |
| 3 |
Dec-09 |
2248 |
3882 |
8727385 |
1578674 |
5.53 |
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