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|
|
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|
|
| SoP
011 - A : System Average Interrruption Frequency Index (SAIFI) for Urban
category |
|
|
1st 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 |
Apr-10 |
2175290 |
1322770 |
1.64 |
|
| 2 |
May-10 |
2236252 |
1327340 |
1.68 |
|
| 3 |
Jun-10 |
4881711 |
1332481 |
3.66 |
|
|
| SoP
011 - B : System Average Interrruption Duration Index (SAIDI) for Urban
category |
|
|
1st 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 |
Apr-10 |
365.42 |
3039 |
1110549.10 |
1322770 |
0.84 |
| 2 |
May-10 |
293.45 |
2838 |
832837.74 |
1327340 |
0.63 |
| 3 |
Jun-10 |
5186.88 |
713 |
3700298.32 |
1332481 |
2.78 |
|
| SoP
011 - C : Momentary Average Interruption Frequency Index (MAIFI) for Urban
category |
|
|
1st 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 |
Apr-10 |
2505 |
3670 |
9194540 |
1322770 |
6.95 |
| 2 |
May-10 |
2578 |
3660 |
9435320 |
1327340 |
7.11 |
| 3 |
Jun-10 |
7281 |
1179 |
8584921 |
1332481 |
6.44 |
|
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