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| SoP
011 - A : System Average Interrruption Frequency Index (SAIFI) for Industrial
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 |
39441 |
79133 |
0.75 |
|
| 2 |
May-10 |
58526 |
79536 |
0.74 |
|
| 3 |
Jun-10 |
96845 |
80089 |
1.21 |
|
|
| SoP
011 - B : System Average Interrruption Duration Index (SAIDI) for Industrial
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 |
118.94 |
279 |
33163.7 |
79133 |
0.42 |
| 2 |
May-10 |
160.66 |
127 |
20387.2 |
79536 |
0.26 |
| 3 |
Jun-10 |
2108.10 |
482 |
1015121.0 |
80089 |
12.67 |
|
| SoP
011 - C : Momentary Average Interruption Frequency Index (MAIFI) for
Industrial 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 |
616 |
210 |
129617 |
79133 |
1.64 |
| 2 |
May-10 |
749 |
187 |
140359 |
79536 |
1.76 |
| 3 |
Jun-10 |
2183 |
1158 |
2527774 |
80089 |
31.56 |
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