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4oo kv power transmission
and distribution division
MOHIT AWASTHI
0903021036
IPEC
CONTENT
1.Introduction
2.Equipments
3.Working of Equipment
4.Conclusion
Refrences
2
3
Substations
design of substations to be based on the following
xii. Power Supply to the sub station auxillaries
a. AC Supp...
400KV Sub-Station Bareilly
 Bareilly sub station is completed during
1996-2000.The whole substation is divided
into three...
6
MAIN EQUIPMENTS OF
SUB_STATION
 1.Transformer
 2.Switchgear
 3.Isolater
 4.Circuit Breaker
 5.Wave Trap
 6.Current T...
8
9
SWITCHGEAR
In an electric power system, switchgear is the
combination of electrical disconnect
switches, fuses or circuit ...
Functions of switchgear:
 One of the basic functions of switchgear is
protection, which is interruption of short-
circuit...
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400kv sub-station-final-ppt-by-mohit

  1. 1. 1 4oo kv power transmission and distribution division MOHIT AWASTHI 0903021036 IPEC
  2. 2. CONTENT 1.Introduction 2.Equipments 3.Working of Equipment 4.Conclusion Refrences 2
  3. 3. 3
  4. 4. Substations design of substations to be based on the following xii. Power Supply to the sub station auxillaries a. AC Supply; 2 HT supplies shall be arranged from independent sources. In addition, a DG set of suitable capacity to be provided b. DC Supply: 2 sets of 220 V batteries each equipped with own charger for substations of 220 kV & above. 2 sets of 50 V batteries for PLCC system. 4
  5. 5. 400KV Sub-Station Bareilly  Bareilly sub station is completed during 1996-2000.The whole substation is divided into three part 400kv,220kv and 33 kv and a common control room is used 5
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  7. 7. MAIN EQUIPMENTS OF SUB_STATION  1.Transformer  2.Switchgear  3.Isolater  4.Circuit Breaker  5.Wave Trap  6.Current Transformer  7.other 7
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  10. 10. SWITCHGEAR In an electric power system, switchgear is the combination of electrical disconnect switches, fuses or circuit breakers used to control, protect and isolate electrical equipment. Switchgear is used both to de-energize equipment to allow work to be done and to clear faults downstream. This type of equipment is important because it is directly linked to the reliability of the electricity supply. 10
  11. 11. Functions of switchgear:  One of the basic functions of switchgear is protection, which is interruption of short- circuit and overload fault currents while maintaining service to unaffected circuits. Switchgear also provides isolation of circuits from power supplies. Switchgear is also used to enhance system availability by allowing more than one source to feed a load. 11
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  21. 21. 21 Thank you
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