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Question
What is the rating of your substation and what are the 
different types of substations?
 Question Submitted By :: Electrical-Engineering
I also faced this Question!!     Answer Posted By  
 
Answer
# 1
660KV/440KV/220KV/110KV/66KV/33KV/22KV/11KV/440V.

Two typs of substations.
1. Indoor substation
2. outdoor substation
 
Is This Answer Correct ?    32 Yes 8 No
Rajendran.m
 
Answer
# 2
600kv/400kv/220kv/132kv/33kv/11kv/6.6kv/415v

2 types of sub-station
a.outdoor type
b.indoor type,upto 33kv only.
 
Is This Answer Correct ?    22 Yes 6 No
Raj Kumar Hora
 
 
 
Answer
# 3
765kV, 400kV,220kV,132kV , 66kV,33kV,11kV
The substations can be classified in several ways including the
following:
i) Classification based on voltage levels e.g.:
AC Substation: EHV, HV, MV), LV;
HVDC substation
ii) Classification-outdoor or indoor.
Outdoor substation is under open sky. Indoor substation is
inside a building.
iii) Classification based on configuration, e.g.:
a) Conventional air insulated outdoor substation or
b) SF6 Gas Insulated Substation (GIS)
c) Composite substations having combination of the above two.
iv) Classification based on application.
a) Distribution substation
b) Switchyard in Generating Station
c) Switching substation (without power transformers)
d) Sending-end substation
e) Receiving substation
f) Factory substation
g) Compensating substation e.g. having static var compensation etc.
h) Load substation, e.g. arc-furnace substation.
 
Is This Answer Correct ?    7 Yes 5 No
Tarun Aggarwak Ymca
 
Answer
# 4
It is a 5 MVA 11KV/433 VOLT INDOOR SUBSTATION.
A) Indoor substation
B) Outdoor substation
C) Compact substation
 
Is This Answer Correct ?    5 Yes 13 No
Pillay
 

 
 
 
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Dear Sirs, I am a technical persons.In one of our Electrical Sub- Station, We have installed three numbers of 1250KVA ,11KV/0.415KV Transformer to feed the Factory load. We have found some abnormality. In one of our Transformers the leakeage current from transformer body to earth through earth continuity wire is almost 86 Amp but in other transformer it is (5-10)Amp. where the load current on three phase and neutral are respectively 1360Amp,1400Amp,1370 Amp & 176Amp. So please any technical person help me about the reasons of this situation and how I can rectify the fault. Moreover,I have measured the earth resistance of the Earth continuity wire which is less than 1 Ohm. Thanks Tapas Barua   2
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