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|
| SoP
011 - A : System Average Interrruption Frequency Index (SAIFI) for Urban
category |
|
|
4th Quarter |
Year - 2008-09 |
|
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-08 |
4496734.3 |
1651801.5 |
2.72 |
|
| 2 |
May-08 |
2283696 |
1642324 |
1.39 |
|
| 3 |
Jun-08 |
2283696 |
1642324 |
1.39 |
|
|
| SoP
011 - B : System Average Interrruption Duration Index (SAIDI) for Urban
category |
|
|
4th Quarter |
Year - 2008-09 |
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-08 |
785.41 |
5170 |
4060639.41 |
1651802 |
2.46 |
| 2 |
May-08 |
565.58 |
3993 |
2258396.98 |
1642324 |
1.38 |
| 3 |
Jun-08 |
565.58 |
3993 |
2258396.98 |
1642324 |
1.38 |
|
| SoP
011 - C : Momentary Average Interruption Frequency Index (MAIFI) for Urban
category |
|
|
4th Quarter |
Year - 2008-09 |
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-08 |
3419 |
8085 |
27641389 |
1651802 |
16.73 |
| 2 |
May-08 |
2198 |
4199 |
9228772 |
1642324 |
5.62 |
| 3 |
Jun-08 |
2198 |
4199 |
9228772 |
1642324 |
5.62 |
|
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