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| SoP 011 - A
: System Average Interrruption Frequency Index (SAIFI) for Industrial
category |
|
|
1st Quarter |
Year - 2009-10 |
|
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 |
Oct-09 |
64316 |
42108 |
1 |
|
| 2 |
Nov-09 |
22615 |
23833 |
1 |
|
| 3 |
Dec-09 |
30277 |
34596 |
1 |
|
|
| SoP 011 - B
: System Average Interrruption Duration Index (SAIDI) for Industrial category |
|
|
1st Quarter |
Year - 2009-10 |
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 |
Oct-09 |
261.60 |
508 |
132839.9 |
42108 |
3.15 |
| 2 |
Nov-09 |
70.49 |
689 |
48537.3 |
23833 |
2.04 |
| 3 |
Dec-09 |
104.76 |
510 |
53433.9 |
34596 |
1.54 |
|
| SoP 011 - C
: Momentary Average Interruption Frequency Index (MAIFI) for Industrial
category |
|
1st Quarter |
Year - 2009-10 |
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 |
Oct-09 |
966 |
485 |
468312 |
42108 |
11 |
| 2 |
Nov-09 |
668 |
175 |
116655 |
23833 |
5 |
| 3 |
Dec-09 |
651 |
251 |
163652 |
34596 |
5 |
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