2 Plcc System

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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2 Plcc System