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8/17/2019 2 Plcc System
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10-10-2011 1
Deltastar power project services Pvt.Ltd
Name of the Trg. Prg. : Fast Track Training programme
for Experienced Engineers
on Power system Protection
Topic : arrier omm!nication "asics#
omm!nication Protocol and carrier protection
Date : $% th &T. '%$$
By : Er .R.SURENDRAN
(Former SE/P&C/TNEB)
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APPLICATIONS IN POWERSYSTEMS
SPEECH TELE PROTECTION
TELE METERING
TELE SIGNALLING TELE CONTROL
TELE PRINTING
WIDE AREA NETWORKING
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POWER LINE CARRIERCOMMUNICATION
IN PLCC EHV POWER LINE IS USED FOR
POWERSYSTEM COMMUNICATIONS THE PLCC HF SIGNALS (30-500KHZ) IS
COUPLED TO THE EHV POWER LINE THROUGHCOUPLING CAPCITOR
IT IS USED FOR SPEECH AND DATA TRANSFERING
IT IS ALSO USED FOR THE LINE PROTECTION HIGHLY RELIABLE COMMUNICATION SYSTEM MAINTENANCE FREE LESS INSTALLALTION COST NO RUNNING EXPENDITURE
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OUTDOOR EQUIPMENT OF
PLCC CAPCITOR VOLTAGE TRANSFORMER
WAVE TRAP
LINE MATCHING UNIT
BALANCING TRANSORMER
3 ELEMENT PROTECTION DEVICE DRAINAGE COIL
LIGHTNING ARRESTOR
EARTH SWITCH COAXIAL CABLE
EHV TRANSMISSION LINE
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INDOOR EQUIPMENT OF PLCC
PLCC PANEL (Example) ABB-ETI 21, BPL-955,!"-!"P1 #
PUNCOM
PROTECTION COUPLER (Example) N"D$ # N"D$1 OF ABB, $%1 OF BPL
DATA MODEM (Example) N"&',N"& # N"&5 OF ABB
TELEPHONE EXCHANGE (Example) EPA-2*' # MD5 OF BPL
EXPRESS TELEPHONE FOR POINT TO POINTCOMMUNICATION
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MET+OD" OF PLCC COUPLIN
THERE ARE DIFFERENT TYPES OF PLCC
COUPLING SYSTEMS
PHASE TO GROUND COUPLING PHASE TO PHASE COUPLING
LINE TO LINE COUPLING
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T.p/0al PLCC PANEL"
IN PLCC PANEL THE VOICE% TELEMETERING $ TELE PROTECTION SIGNALS WILL BE IN THERANGE OF 0-" KHZ
WORLDWIDE THE ALLOCATED FREUENCYBAND FOR PLCC IS 30-500 KHZ
EACH FEEDER &' '*+ 3 PLCC PANELS ONE FOR SPEECH ! DATA
TWO FOR SPEECH ! TELE PROTECTION
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TELEPROTECTION
Protection of a circuit, the ends of which are
geographically separate like Lines and Cables in
which cooperation is obtained between the two
relaying points by the trans!ission of infor!ationo"er the #istance by Teleco!!unication Techni$ue%
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TELEPROTECTION
T+ ,+. / ,+1+-2/,+,4/. '6/,+6 4 /7+2 ..,+&
1* Pae 03mpa4/3
2* D/6a0e p436e06/3 (Pe4m//7e8Bl30/:)
'* D/4e06 T4/pp/:
T+ ,+489+. '*'41':1+ 4 T+1+ 2/,+,4/
1* P436e06/3 03;ple4 N"D$, N"D$1 a=$%1
2* P436e06/3 03;ple4 N"D e60
T+ T4'1 T4&4;. F/2 ,+ /2 P+2&4..4*+$B1/ ,/ 30 &=.+
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TELEPROTECTION
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