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SoP
011 - A : System Average Interrruption Frequency Index (SAIFI) for Urban
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 |
Apr-09 |
1689214 |
1513602 |
1.12 |
|
2 |
May-09 |
2142715.5 |
1685436 |
1.27 |
|
3 |
Jun-09 |
4495762 |
1683275 |
2.67 |
|
|
SoP
011 - B : System Average Interrruption Duration Index (SAIDI) for Urban
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 |
Apr-09 |
276.90 |
4479 |
1240218.89 |
1513602 |
0.82 |
2 |
May-09 |
383.67 |
4871 |
1868889.19 |
1685436 |
1.11 |
3 |
Jun-09 |
938.59 |
3941 |
3698789.19 |
1683275 |
2.20 |
|
SoP
011 - C : Momentary Average Interruption Frequency Index (MAIFI) for Urban
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 |
Apr-09 |
1719 |
5070 |
8714830 |
1513602 |
5.76 |
2 |
May-09 |
1564 |
5390 |
8430119 |
1685436 |
5.00 |
3 |
Jun-09 |
2257 |
5894 |
13302798 |
1683275 |
7.90 |
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