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|
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|
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| SoP
011 - A : System Average Interrruption Frequency Index (SAIFI) for Urban
category |
|
|
2nd 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 |
3103019 |
1322770 |
2.35 |
|
| 2 |
Aug-10 |
3437433 |
1327340 |
2.59 |
|
| 3 |
Sep-10 |
2279580 |
1327340 |
1.72 |
|
|
| SoP
011 - B : System Average Interrruption Duration Index (SAIDI) for Urban
category |
|
|
2nd 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 |
810.97 |
2174 |
1762865.51 |
1322770 |
1.33 |
| 2 |
Aug-10 |
916.68 |
2838 |
2601814.09 |
1327340 |
1.96 |
| 3 |
Sep-10 |
3093.85 |
687 |
2125048.55 |
1327340 |
1.60 |
|
| SoP
011 - C : Momentary Average Interruption Frequency Index (MAIFI) for Urban
category |
|
|
2nd 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 |
4040 |
2369 |
9570919 |
1322770 |
7.24 |
| 2 |
Aug-10 |
3068.395833 |
2676 |
8212277.788 |
1327340 |
6.19 |
| 3 |
Sep-10 |
7444 |
1365 |
10159888 |
1327340 |
7.65 |
|
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