![Page 1: MV NETWORK MANAGEMENTgurgaonfirst.org/wp-content/uploads/2017/05/Amit_Sharma...- case 5: recloser and sectionalizer load break switches R Schneider Electric 27 S4 S3 S3 S2 S1 1 1 1](https://reader035.vdocuments.us/reader035/viewer/2022070615/5c7fb21e09d3f242188bccd4/html5/thumbnails/1.jpg)
MV NETWORK MANAGEMENT
Amit SharmaAnil Kadam
![Page 2: MV NETWORK MANAGEMENTgurgaonfirst.org/wp-content/uploads/2017/05/Amit_Sharma...- case 5: recloser and sectionalizer load break switches R Schneider Electric 27 S4 S3 S3 S2 S1 1 1 1](https://reader035.vdocuments.us/reader035/viewer/2022070615/5c7fb21e09d3f242188bccd4/html5/thumbnails/2.jpg)
Schneider Electric 2
kWh
Medium IndustrialkWh
Large Commercial
Public DistributionPrimary Substation
Urban Distribution
kWh
20MVA33/11kV
20MVA33/11kV
Farm (ruraldistribution)
ProcessIndustry
MV Public Distribution NetworkPrimary Distribution
![Page 3: MV NETWORK MANAGEMENTgurgaonfirst.org/wp-content/uploads/2017/05/Amit_Sharma...- case 5: recloser and sectionalizer load break switches R Schneider Electric 27 S4 S3 S3 S2 S1 1 1 1](https://reader035.vdocuments.us/reader035/viewer/2022070615/5c7fb21e09d3f242188bccd4/html5/thumbnails/3.jpg)
Schneider Electric 3
Radial network
LoadCentre 1
LoadCentre 2
LoadCentre 3
LoadCentre 11
33kV
11kV
20MVA
Primary1
LoadCentre 11
![Page 4: MV NETWORK MANAGEMENTgurgaonfirst.org/wp-content/uploads/2017/05/Amit_Sharma...- case 5: recloser and sectionalizer load break switches R Schneider Electric 27 S4 S3 S3 S2 S1 1 1 1](https://reader035.vdocuments.us/reader035/viewer/2022070615/5c7fb21e09d3f242188bccd4/html5/thumbnails/4.jpg)
Schneider Electric 4
Open ring network33kV
11kV
20MVA
Primary1
LoadCentre 11
LoadCentre 3
![Page 5: MV NETWORK MANAGEMENTgurgaonfirst.org/wp-content/uploads/2017/05/Amit_Sharma...- case 5: recloser and sectionalizer load break switches R Schneider Electric 27 S4 S3 S3 S2 S1 1 1 1](https://reader035.vdocuments.us/reader035/viewer/2022070615/5c7fb21e09d3f242188bccd4/html5/thumbnails/5.jpg)
Schneider Electric 5
Open ring network33kV
11kV
20MVA
Primary1
LoadCentre 11
LoadCentre 3
NOP
![Page 6: MV NETWORK MANAGEMENTgurgaonfirst.org/wp-content/uploads/2017/05/Amit_Sharma...- case 5: recloser and sectionalizer load break switches R Schneider Electric 27 S4 S3 S3 S2 S1 1 1 1](https://reader035.vdocuments.us/reader035/viewer/2022070615/5c7fb21e09d3f242188bccd4/html5/thumbnails/6.jpg)
Schneider Electric 6
- Why improve MV distribution?
● To obtain the best possible power quality
The main issue is to reduce outage time and cost to the utility and its customers
![Page 7: MV NETWORK MANAGEMENTgurgaonfirst.org/wp-content/uploads/2017/05/Amit_Sharma...- case 5: recloser and sectionalizer load break switches R Schneider Electric 27 S4 S3 S3 S2 S1 1 1 1](https://reader035.vdocuments.us/reader035/viewer/2022070615/5c7fb21e09d3f242188bccd4/html5/thumbnails/7.jpg)
Schneider Electric 7
- How can outage time be reduced?
● By improving MV networks:
● By improving the MV networks management:
Large number of shortsections
Redundant networks
Reliable components…
With Fault Passage Indicators (FPI’s)
Or with remote controlled load break switches
Or with fully automated reclosers and sectionalizers
Or Ring Main Units with FPI’s
![Page 8: MV NETWORK MANAGEMENTgurgaonfirst.org/wp-content/uploads/2017/05/Amit_Sharma...- case 5: recloser and sectionalizer load break switches R Schneider Electric 27 S4 S3 S3 S2 S1 1 1 1](https://reader035.vdocuments.us/reader035/viewer/2022070615/5c7fb21e09d3f242188bccd4/html5/thumbnails/8.jpg)
Schneider Electric 8
R
- Different types of devices
R2
![Page 9: MV NETWORK MANAGEMENTgurgaonfirst.org/wp-content/uploads/2017/05/Amit_Sharma...- case 5: recloser and sectionalizer load break switches R Schneider Electric 27 S4 S3 S3 S2 S1 1 1 1](https://reader035.vdocuments.us/reader035/viewer/2022070615/5c7fb21e09d3f242188bccd4/html5/thumbnails/9.jpg)
Schneider Electric 9
- overhead networks: types of faults● Temporary
faults● Permanent
faults
80% 20%
![Page 10: MV NETWORK MANAGEMENTgurgaonfirst.org/wp-content/uploads/2017/05/Amit_Sharma...- case 5: recloser and sectionalizer load break switches R Schneider Electric 27 S4 S3 S3 S2 S1 1 1 1](https://reader035.vdocuments.us/reader035/viewer/2022070615/5c7fb21e09d3f242188bccd4/html5/thumbnails/10.jpg)
Schneider Electric 10
- temporary faults
● Temporary faults can be cleared by the use of Automatic Circuit Reclosers (ACRs)
![Page 11: MV NETWORK MANAGEMENTgurgaonfirst.org/wp-content/uploads/2017/05/Amit_Sharma...- case 5: recloser and sectionalizer load break switches R Schneider Electric 27 S4 S3 S3 S2 S1 1 1 1](https://reader035.vdocuments.us/reader035/viewer/2022070615/5c7fb21e09d3f242188bccd4/html5/thumbnails/11.jpg)
Schneider Electric 11
R
- temporary fault: one recloser
![Page 12: MV NETWORK MANAGEMENTgurgaonfirst.org/wp-content/uploads/2017/05/Amit_Sharma...- case 5: recloser and sectionalizer load break switches R Schneider Electric 27 S4 S3 S3 S2 S1 1 1 1](https://reader035.vdocuments.us/reader035/viewer/2022070615/5c7fb21e09d3f242188bccd4/html5/thumbnails/12.jpg)
Schneider Electric 12
R
15 s
C
O
Time
100%
- temporary fault: one recloser
![Page 13: MV NETWORK MANAGEMENTgurgaonfirst.org/wp-content/uploads/2017/05/Amit_Sharma...- case 5: recloser and sectionalizer load break switches R Schneider Electric 27 S4 S3 S3 S2 S1 1 1 1](https://reader035.vdocuments.us/reader035/viewer/2022070615/5c7fb21e09d3f242188bccd4/html5/thumbnails/13.jpg)
Schneider Electric 13
R
15 s
C
O15 s
Time
100%
- temporary fault: one recloser
![Page 14: MV NETWORK MANAGEMENTgurgaonfirst.org/wp-content/uploads/2017/05/Amit_Sharma...- case 5: recloser and sectionalizer load break switches R Schneider Electric 27 S4 S3 S3 S2 S1 1 1 1](https://reader035.vdocuments.us/reader035/viewer/2022070615/5c7fb21e09d3f242188bccd4/html5/thumbnails/14.jpg)
Schneider Electric 14
R
15 s
C
O15 s
Time
100%
- temporary fault: one recloser
![Page 15: MV NETWORK MANAGEMENTgurgaonfirst.org/wp-content/uploads/2017/05/Amit_Sharma...- case 5: recloser and sectionalizer load break switches R Schneider Electric 27 S4 S3 S3 S2 S1 1 1 1](https://reader035.vdocuments.us/reader035/viewer/2022070615/5c7fb21e09d3f242188bccd4/html5/thumbnails/15.jpg)
Schneider Electric 15
R
15 s
C
O15 s
15 s
Time
100%
- temporary fault: one recloser
![Page 16: MV NETWORK MANAGEMENTgurgaonfirst.org/wp-content/uploads/2017/05/Amit_Sharma...- case 5: recloser and sectionalizer load break switches R Schneider Electric 27 S4 S3 S3 S2 S1 1 1 1](https://reader035.vdocuments.us/reader035/viewer/2022070615/5c7fb21e09d3f242188bccd4/html5/thumbnails/16.jpg)
Schneider Electric 16
R
15 s
C
O15 s
15 s
Time2 mn
100%
- temporary fault: one recloser
![Page 17: MV NETWORK MANAGEMENTgurgaonfirst.org/wp-content/uploads/2017/05/Amit_Sharma...- case 5: recloser and sectionalizer load break switches R Schneider Electric 27 S4 S3 S3 S2 S1 1 1 1](https://reader035.vdocuments.us/reader035/viewer/2022070615/5c7fb21e09d3f242188bccd4/html5/thumbnails/17.jpg)
Schneider Electric 17
R1
- temporary fault: TWO reclosers
R2
![Page 18: MV NETWORK MANAGEMENTgurgaonfirst.org/wp-content/uploads/2017/05/Amit_Sharma...- case 5: recloser and sectionalizer load break switches R Schneider Electric 27 S4 S3 S3 S2 S1 1 1 1](https://reader035.vdocuments.us/reader035/viewer/2022070615/5c7fb21e09d3f242188bccd4/html5/thumbnails/18.jpg)
Schneider Electric 18
R1Network A-50%
Network B-50%
Network B
Time
- temporary fault: TWO reclosers
R2
![Page 19: MV NETWORK MANAGEMENTgurgaonfirst.org/wp-content/uploads/2017/05/Amit_Sharma...- case 5: recloser and sectionalizer load break switches R Schneider Electric 27 S4 S3 S3 S2 S1 1 1 1](https://reader035.vdocuments.us/reader035/viewer/2022070615/5c7fb21e09d3f242188bccd4/html5/thumbnails/19.jpg)
Schneider Electric 19
- permanent faults
Permanent faults cannot be cleared by automatic reclosing
To manage “permanent faults”, the
best solution is to add some “sectionalizers”
![Page 20: MV NETWORK MANAGEMENTgurgaonfirst.org/wp-content/uploads/2017/05/Amit_Sharma...- case 5: recloser and sectionalizer load break switches R Schneider Electric 27 S4 S3 S3 S2 S1 1 1 1](https://reader035.vdocuments.us/reader035/viewer/2022070615/5c7fb21e09d3f242188bccd4/html5/thumbnails/20.jpg)
Schneider Electric 20
R
5H – 6H
100%
- case 1: no network automationPermanent fault
![Page 21: MV NETWORK MANAGEMENTgurgaonfirst.org/wp-content/uploads/2017/05/Amit_Sharma...- case 5: recloser and sectionalizer load break switches R Schneider Electric 27 S4 S3 S3 S2 S1 1 1 1](https://reader035.vdocuments.us/reader035/viewer/2022070615/5c7fb21e09d3f242188bccd4/html5/thumbnails/21.jpg)
Schneider Electric 21
R
5H – 6H
100% 95%
- case 1: no network automationPermanent fault
![Page 22: MV NETWORK MANAGEMENTgurgaonfirst.org/wp-content/uploads/2017/05/Amit_Sharma...- case 5: recloser and sectionalizer load break switches R Schneider Electric 27 S4 S3 S3 S2 S1 1 1 1](https://reader035.vdocuments.us/reader035/viewer/2022070615/5c7fb21e09d3f242188bccd4/html5/thumbnails/22.jpg)
Schneider Electric 22
R
- case 2: addition of non-communicating fault passage indicators (FPI)An FPI for each branch of the network
Add an FPI around each major «obstacle»…
![Page 23: MV NETWORK MANAGEMENTgurgaonfirst.org/wp-content/uploads/2017/05/Amit_Sharma...- case 5: recloser and sectionalizer load break switches R Schneider Electric 27 S4 S3 S3 S2 S1 1 1 1](https://reader035.vdocuments.us/reader035/viewer/2022070615/5c7fb21e09d3f242188bccd4/html5/thumbnails/23.jpg)
Schneider Electric 23
- case 3: addition of communicating FPIs
R
Put several communicating FPIs in strategic locations
![Page 24: MV NETWORK MANAGEMENTgurgaonfirst.org/wp-content/uploads/2017/05/Amit_Sharma...- case 5: recloser and sectionalizer load break switches R Schneider Electric 27 S4 S3 S3 S2 S1 1 1 1](https://reader035.vdocuments.us/reader035/viewer/2022070615/5c7fb21e09d3f242188bccd4/html5/thumbnails/24.jpg)
Schneider Electric 24
- case 4: addition of communicating FPIs and remote controlled load break switches
RT
TT
T
T remote controlled load breakswitchesCommunicating FPI
![Page 25: MV NETWORK MANAGEMENTgurgaonfirst.org/wp-content/uploads/2017/05/Amit_Sharma...- case 5: recloser and sectionalizer load break switches R Schneider Electric 27 S4 S3 S3 S2 S1 1 1 1](https://reader035.vdocuments.us/reader035/viewer/2022070615/5c7fb21e09d3f242188bccd4/html5/thumbnails/25.jpg)
Schneider Electric 25
- case 5: recloser and sectionalizer load break switches
R
![Page 26: MV NETWORK MANAGEMENTgurgaonfirst.org/wp-content/uploads/2017/05/Amit_Sharma...- case 5: recloser and sectionalizer load break switches R Schneider Electric 27 S4 S3 S3 S2 S1 1 1 1](https://reader035.vdocuments.us/reader035/viewer/2022070615/5c7fb21e09d3f242188bccd4/html5/thumbnails/26.jpg)
Schneider Electric 27
S4
S3
S3
S2
S1
1 1
1 S2
- case 5: recloser and sectionalizer load break switches
R
Permanent fault
![Page 27: MV NETWORK MANAGEMENTgurgaonfirst.org/wp-content/uploads/2017/05/Amit_Sharma...- case 5: recloser and sectionalizer load break switches R Schneider Electric 27 S4 S3 S3 S2 S1 1 1 1](https://reader035.vdocuments.us/reader035/viewer/2022070615/5c7fb21e09d3f242188bccd4/html5/thumbnails/27.jpg)
Schneider Electric 28
S4
S3
S3
S2
S1
2 2
2 S2
- case 5: recloser and sectionalizer load break switches
R
Permanent fault
![Page 28: MV NETWORK MANAGEMENTgurgaonfirst.org/wp-content/uploads/2017/05/Amit_Sharma...- case 5: recloser and sectionalizer load break switches R Schneider Electric 27 S4 S3 S3 S2 S1 1 1 1](https://reader035.vdocuments.us/reader035/viewer/2022070615/5c7fb21e09d3f242188bccd4/html5/thumbnails/28.jpg)
Schneider Electric 29
S4
S3
S3
S2
S1
2 2
2 S2
- case 5: recloser and sectionalizer load break switches
R
Permanent fault
2’
![Page 29: MV NETWORK MANAGEMENTgurgaonfirst.org/wp-content/uploads/2017/05/Amit_Sharma...- case 5: recloser and sectionalizer load break switches R Schneider Electric 27 S4 S3 S3 S2 S1 1 1 1](https://reader035.vdocuments.us/reader035/viewer/2022070615/5c7fb21e09d3f242188bccd4/html5/thumbnails/29.jpg)
Schneider Electric 30
S4
S3
S3 S2
S2
S1
- case 5: recloser and sectionalizer load break switches
R
Permanent fault
2’ 60’
75%
95%
![Page 30: MV NETWORK MANAGEMENTgurgaonfirst.org/wp-content/uploads/2017/05/Amit_Sharma...- case 5: recloser and sectionalizer load break switches R Schneider Electric 27 S4 S3 S3 S2 S1 1 1 1](https://reader035.vdocuments.us/reader035/viewer/2022070615/5c7fb21e09d3f242188bccd4/html5/thumbnails/30.jpg)
Schneider Electric 31
- summary of overhead networks 1/2Permanent fault
95%Case 2
A recloser
+ FPIs3 h
6 h
95%
Case 1
A recloser
95%Case 3
A recloser
+ FPI with Com1h30
![Page 31: MV NETWORK MANAGEMENTgurgaonfirst.org/wp-content/uploads/2017/05/Amit_Sharma...- case 5: recloser and sectionalizer load break switches R Schneider Electric 27 S4 S3 S3 S2 S1 1 1 1](https://reader035.vdocuments.us/reader035/viewer/2022070615/5c7fb21e09d3f242188bccd4/html5/thumbnails/31.jpg)
Schneider Electric 32
- summary of overhead networks 2/2Permanent fault
95%
1h
2’
75 %Case 5
A recloser
and sectionalizers
95%
1h
10’
70 %Case 4: A recloser,
remote controlled switches
and FPI with Com
![Page 32: MV NETWORK MANAGEMENTgurgaonfirst.org/wp-content/uploads/2017/05/Amit_Sharma...- case 5: recloser and sectionalizer load break switches R Schneider Electric 27 S4 S3 S3 S2 S1 1 1 1](https://reader035.vdocuments.us/reader035/viewer/2022070615/5c7fb21e09d3f242188bccd4/html5/thumbnails/32.jpg)
Schneider Electric 33
●SAIDI (System Average Interruption Duration Index) can vary from a few minutes to several hours,
●SAIFI (System Average Interruption Frequency Index) can vary from 1 to 10 and more, depending on :
● population density (rural or urban area)● proportion between underground and overhead distribution● maximum accepted costs for non distributed energy
Excellent Average PoorUrban area < 10 mn 30 mn >2 hrsRural area < 30 mn 2 hrs >10 hrs
Permanent Interruptions (>1 mn)
SAIDI/SAIFI variations – Quality Power
![Page 33: MV NETWORK MANAGEMENTgurgaonfirst.org/wp-content/uploads/2017/05/Amit_Sharma...- case 5: recloser and sectionalizer load break switches R Schneider Electric 27 S4 S3 S3 S2 S1 1 1 1](https://reader035.vdocuments.us/reader035/viewer/2022070615/5c7fb21e09d3f242188bccd4/html5/thumbnails/33.jpg)
Schneider Electric 34
OPEN POINT
51/51N 51/51N
MAIN SUBSTATION
OPEN RING SYSTEM
What would happen to this network
if a fault occurred here ??
![Page 34: MV NETWORK MANAGEMENTgurgaonfirst.org/wp-content/uploads/2017/05/Amit_Sharma...- case 5: recloser and sectionalizer load break switches R Schneider Electric 27 S4 S3 S3 S2 S1 1 1 1](https://reader035.vdocuments.us/reader035/viewer/2022070615/5c7fb21e09d3f242188bccd4/html5/thumbnails/34.jpg)
Schneider Electric 35
MAIN SUBSTATION
OPEN POINT
51/51N
OPEN RING SYSTEM
What would you do to get the customers back on supply ??
![Page 35: MV NETWORK MANAGEMENTgurgaonfirst.org/wp-content/uploads/2017/05/Amit_Sharma...- case 5: recloser and sectionalizer load break switches R Schneider Electric 27 S4 S3 S3 S2 S1 1 1 1](https://reader035.vdocuments.us/reader035/viewer/2022070615/5c7fb21e09d3f242188bccd4/html5/thumbnails/35.jpg)
Schneider Electric 36
MAIN SUBSTATION
NEW OPEN POINTS SHIFTED FROM
OPEN RING SYSTEM
![Page 36: MV NETWORK MANAGEMENTgurgaonfirst.org/wp-content/uploads/2017/05/Amit_Sharma...- case 5: recloser and sectionalizer load break switches R Schneider Electric 27 S4 S3 S3 S2 S1 1 1 1](https://reader035.vdocuments.us/reader035/viewer/2022070615/5c7fb21e09d3f242188bccd4/html5/thumbnails/36.jpg)
Schneider Electric 37
Thank You!!