|
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|
|
|
|
|
| SoP
011 - A : System Average Interrruption Frequency Index (SAIFI) for Urban
category |
|
|
3rd Quarter |
Year - 2010-11 |
|
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 |
Jul-10 |
3417115 |
1322770 |
2.58 |
|
| 2 |
Aug-10 |
3340815 |
1322770 |
2.53 |
|
| 3 |
Sep-10 |
2561166 |
1322770 |
1.94 |
|
|
| SoP
011 - B : System Average Interrruption Duration Index (SAIDI) for Urban
category |
|
|
3rd Quarter |
Year - 2010-11 |
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 |
Jul-10 |
331.87 |
3402 |
1129090.68 |
1322770 |
0.85 |
| 2 |
Aug-10 |
501.50 |
5352 |
2684219.99 |
1322770 |
2.03 |
| 3 |
Sep-10 |
413.32 |
5193 |
2146538.01 |
1322770 |
1.62 |
|
| SoP
011 - C : Momentary Average Interruption Frequency Index (MAIFI) for Urban
category |
|
|
3rd Quarter |
Year - 2010-11 |
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 |
Jul-10 |
3896 |
3439 |
13398091 |
1322770 |
10.13 |
| 2 |
Aug-10 |
3474 |
3558 |
12360922 |
1322770 |
9.34 |
| 3 |
Sep-10 |
3326 |
3440 |
11442463 |
1322770 |
8.65 |
|
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