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PRACTICAL TRAINING
SEMINAR
SHUBHAM JAIN
132 KV G.SS
7/17/2019 1210153_634531613786611250
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CONTENTS:
•
GENERAL DISCUSSION ON SUB STATION•FEEDERS
•COMPONENTS
•BUSBARS
•POWER LINE COMMONICATION
•CONTROL ROOM
•BETTERY ROOM
•CIRCIUT BREAKERS
•POWER TRANSFORMERS
•CURRENT TRANSFORMERS
•RELAY
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GENERAL DISCUSSION:
Substation is a part of an electrical generation, transmission, and distributionsystem. Substations transform voltage from high to low, or the reverse, or perform any of several other important functions.
Types: Transmission substation connc!" !#o o$ %o$
!$&n"%'""'on ('n".
Distribution substation !$&n")$" *o#$ )$o%
!$&n"%'""'on "+"!% !o !, -'"!$'/!'on "+"!% o) &n&$&.
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FEEDERS ARE USED
T,$ &$ 20 )-$" &$ connc!- 'n !,'" 3345
&n- 11145
33 kv Feeders are: ,&"& o!,'
-/$6& */$&
%n'!
(&( ,o!'
"*&'$ 4'-,&n "&,&
22 6o-&%
'"&( */$
"#&6 )o$%
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CONTINUED…..
11kv Feeders are: $&%n'4&" &6, 71
n'$%&n n&6&$
%&,", n&6&$
.".'
$"'-nc+
$&%n'4&" &6,72
8/n9" $o&-
&:%$ $o&-
,&"& ,o!'
22 6o-&%
(&( ,o!'
"#&6 )o$%
*&$!&* ('n
6.n 1
6.n 2
:&%/n& n&6&$
n# "&n6&n$
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• B/"&$ "+"!%
• C'$c'/! $&$"
• T$&n")o$%$"
• R(&+"
•POWER LINE COMMONICATION
•CONTROL ROOM
•BETTERY ROOM
COMPONENTS USED
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BUSBAR SYSTEM;7
A /" &$ '" & con-/c!'n6 &$ !,&! c&$$'" ,&4+c/$$n!" !o "/**(+ "4$&( (c!$'c c'$c/'!".
W,n & no. o) 6n$&!o$" o$ )-$" o*$&!'n6 &! !,"&% 4o(!&6 (4( !o -'$c!(+ connc!- (c!$'c&((+</"&$ &$ /"- &" !, co%%on (c!$'c&( co%*onn!.
B/" &$" &$ co**$ $o- o$ !,'n #&((- !/" &n-o*$&! &! con"!&n! 4o(!&6.
Tere are t!o typs o" busbars:#
o M&'n /"&$
oA/='('&$+ /"&$o TRANSFORMER BUSBA
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CIRCUIT $REA%ER: A c'$c/'! $&$ '" &n &/!o%&!'c&((+o*$&!- (c!$'c&( "#'!c, -"'6n- !o *$o!c!&n (c!$'c&( c'$c/'! )$o% -&%&6 c&/"-+ o4$(o&- o$ ",o$! c'$c/'!.
PRINCIPLE: A c! $&$ ""n!'&((+ con"'"!" o) ?=- @
%o4'n6 con!&c!"< c&((- (c!$o-" /n-$ no$%&(
o*$&!'n6 con-'!'on"< !," con!&c!" $%&'n c(o"- @
#'(( no! o*n &/!o%&!'c&((+ /n!'( @ /n("" !, "+"!%"
co%" )&/(!+. W,n & )&/(! occ/$" on &n+ *&$! o) !,
"+"!%< !, !$'* co'(" o) !, $&$ 6! n$6'"- @ !,%o4'n6 con!&c!" &$ */((- &*&$! + "o% %c,&n'"%.
T,/" o*n'n6 !, c'$c/'!.
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….
CLASSIFICATION:
•
o'( c'$c/'! $&$"• S/(*,/$ H=& F(/o$'- c'$c/'! $&$"
• A'$7B(&"! c'$c/'! $&$"
• 4&c//% c'$c/'! $&$"
•Un-$ !$&'n'n6 SF !+*< 4&c//% c! $&$ @ A'$7B(&"!c! $&$" #$ /"- 'n !, GSS.
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CONTINUED.
Oil flled ckt. breaker S6 ckt. breaker
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TRANSFORMERS:
T$&n")o$%$ '" &n (c!$'c&( %&c,'n #,'c, #o$" on
!, *$'nc'*( o) (c!$o%&6n!'c 'n-/c!'on. I! !$&n")$"(c!$'c *o#$ )$o% on (c!$'c c! !o o!,$ #'!, !,,(* %&6n!'c *&!,/=5 on con"!&n! )$8/nc+ /!8/&( o$ -'$n! c/$$n! 4o(!&6".
T, #'n-'n6 #,'c, '" connc!- !o !, "/**(+ '" c&((-*$'%&$+ #'n-'n6 @ !,&! #'n-'n6 '" connc!- !o !, (o&-'" c&((- "con-&$+ #'n-'n6.
In CHAMAL !"S"S !,$ &$ "'= !$&n")o$%$" /"-.
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SPECIFICATION:
S"NO"
SERIAL NO" RATTIN! CAPACIT# #EAR OF
MAN$FACT$RE
1 RY22 13211 KV 12 MVA 21
2 T@R 22 13211KV 2 MVA 2
3 B723.2 13211 KV 12 MVA 1
T7031 13211KV 12 MVA 1
1210 13233 KV MVA 21
20.1.02 13233 KV MVA 2
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CURRENT TRANSFORMERS:
C.T. '" &n 'n"!$/%n! !$&n")o$%$ /"- )o$ *$o!c!'on @
%!$'n6 o) ,'6, 4&(/" o) c/$$n!". C.T. '" /"- )o$ $-/c'n6&.c )$o% ,'6,$ !o (o#$ 4&(/ )o$%&"/$%n!*$o!c!'oncon!$o(. T,$ &$ !#o c(&""" o) C.T;
*$o!c!'4 C.T
%&"/$'n6 C.T
c/$$n! !$&n")o$%$
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POTENTIAL TRANSFORMERS:
Po!n!'&( !$&n")o$%$" &$ 'n"!$/%n! !$&n")o$%$". T,+
,&4 & (&$6 n/%$ o) "con-&$+ !/$n" &n- & )#$n/%$ o) *$'%&$+ !/$n". T,+ &$ /"- !o 'nc$&" !,$&n6 o) 4o(!%!$" 'n (c!$'c&( "/"!&!'on" &n-6n$&!'n6 "!&!'on".
Po!n!'&( !$&n")o$%$
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RELA&S:A re%a& '" &n (c!$'c&((+ o*$&!- "#'!c,. M&n+ $(&+"/" &n (c!$o%&6n! !o o*$&! & "#'!c,'n6%c,&n'"% %c,&n'c&((+< /! o!,$ o*$&!'n6 *$'nc'*("&$ &("o /"-. R(&+" &$ /"- #,$ '! '" nc""&$+ !ocon!$o( & c'$c/'! + & (o#7*o#$ "'6n&( #'!, co%*(!(c!$'c&( '"o(&!'on !#n con!$o( &n- con!$o((-c'$c/'!"5< o$ #,$ "4$&( c'$c/'!" %/"! con!$o((- +on "'6n&(. T, ?$"! $(&+" #$ /"- 'n (on6 -'"!&nc
!(6$&*, c'$c/'!"< $*&!'n6 !, "'6n&( co%'n6 'n )$o%on c'$c/'! &n- $7!$&n"%'!!'n6 '! !o &no!,$. R(&+" #$/"- =!n"'4(+ 'n !(*,on =c,&n6" &n- &$(+co%*/!$" !o *$)o$% (o6'c&( o*$&!'on".
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THANK YOU
@
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