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| SoP
011 - A : System Average Interrruption Frequency Index (SAIFI) for Industrial
category |
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|
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 |
Apr-09 |
119609 |
24102 |
1 |
|
|
| 2 |
May-09 |
84861 |
36059 |
2 |
|
|
| 3 |
Jun-09 |
70730 |
39296 |
2 |
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| SoP
011 - B : System Average Interrruption Duration Index (SAIDI) for Industrial
category |
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|
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 |
Apr-09 |
849.01 |
265 |
224747.0 |
24102 |
9.32 |
| 2 |
May-09 |
441.67 |
223 |
98559.0 |
36059 |
2.73 |
| 3 |
Jun-09 |
174.05 |
428 |
74544.0 |
39296 |
1.90 |
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| SoP
011 - C : Momentary Average Interruption Frequency Index (MAIFI) for
Industrial category |
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|
|
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 |
Apr-09 |
1244 |
197 |
244997 |
24102 |
10 |
| 2 |
May-09 |
1033 |
262 |
270392 |
36059 |
7 |
| 3 |
Jun-09 |
914 |
295 |
269585 |
39296 |
7 |
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