Plcc System
Transcript of Plcc System
-
7/26/2019 Plcc System
1/21
POWER GRID CORPORATION OF INDIA LTDPOWER GRID CORPORATION OF INDIA LTD SRTS-I , SECUNDERABADSRTS-I , SECUNDERABAD
-
7/26/2019 Plcc System
2/21
POWER GRID CORPORATION OF INDIA LTDPOWER GRID CORPORATION OF INDIA LTD SRTS-I , SECUNDERABADSRTS-I , SECUNDERABAD
TYPES OF COMMUNICATIONS
VHF WIRELESS COMMUNICATION 100 300 MHZ
LEASED P&T LINES
POWERLINE CARRIER COMMUNICATION 30-500 KHZ
MICROWAVE COMMUNICATION 800 MHZ 4 GHZ
SATELITE COMMUNICATION MORE THAN 4 GHZ
OPTICLE FIRE COMMUNICATION
-
7/26/2019 Plcc System
3/21
POWER GRID CORPORATION OF INDIA LTDPOWER GRID CORPORATION OF INDIA LTD SRTS-I , SECUNDERABADSRTS-I , SECUNDERABAD
APPLICATIONS IN POWERS!STEMS
SPEECH TELE PROTECTION
TELE METERING
TELE SIGNALLING TELE CONTROL
TELE PRINTING
WIDE AREA NETWORKING
-
7/26/2019 Plcc System
4/21
POWER GRID CORPORATION OF INDIA LTDPOWER GRID CORPORATION OF INDIA LTD SRTS-I , SECUNDERABADSRTS-I , SECUNDERABAD
COMMUNICATION
IN PLCC EHV POWER LINE IS USED FOR
POWERS!STEM COMMUNICATIONS THE PLCC HF SIGNALS "30-500KHZ# IS
COUPLED TO THE EHV POWER LINE THROUGHCOUPLING CAPCITOR
IT IS USED FOR SPEECH AND DATATRANSFERING
IT IS ALSO USED FOR THE LINE PROTECTION HIGHL! RELIALE COMMUNICATION S!STEM MAINTENANCE FREE LESS INSTALLALTION COST NO RUNNING E$PENDITURE
-
7/26/2019 Plcc System
5/21
POWER GRID CORPORATION OF INDIA LTDPOWER GRID CORPORATION OF INDIA LTD SRTS-I , SECUNDERABADSRTS-I , SECUNDERABAD
PLCC
CAPCITOR VOLTAGE TRANSFORMER
WAVE TRAP
LINE MATCHING UNIT
ALANCING TRANSORMER
3 ELEMENT PROTECTION DEVICE DRAINAGE COIL
LIGHTNING ARRESTOR
EARTH SWITCH COA$IAL CALE
EHV TRANSMISSION LINE
-
7/26/2019 Plcc System
6/21
POWER GRID CORPORATION OF INDIA LTDPOWER GRID CORPORATION OF INDIA LTD SRTS-I , SECUNDERABADSRTS-I , SECUNDERABAD
INDOOR EQUIPMENT OF PLCC
PLCC PANEL ABB-ETI 21, BPL-9505,WS-WSP100 &
PUNCOM
PROTECTION COUPLER
NSD60 & NSD61 OF ABB, 6710 OF BPL DATA MODEM
NS!,NS" & NS5 OF ABB
TELEPHONE E$CHANGE EPA#-200$! & MD#50 OF BPL
E$PRESS TELEPHONE FOR POINT TO POINTCOMMUNICATION
-
7/26/2019 Plcc System
7/21
POWER GRID CORPORATION OF INDIA LTDPOWER GRID CORPORATION OF INDIA LTD SRTS-I , SECUNDERABADSRTS-I , SECUNDERABAD
MET%ODS OF PLCCCOUPLING
THERE ARE DIFFERENT T!PES OF PLCCCOUPLING S!STEMS
PHASE TO GROUND COUPLING
PHASE TO PHASE COUPLING
LINE TO LINE COUPLING INSULATED GROUND WIRE COUPLING
INTRA UNDLE COUPLING
POWERGRID IS ADOPTING MAINL! PHASE TOPHASE COUPLING FOR ALL THE LINES
-
7/26/2019 Plcc System
8/21
POWER GRID CORPORATION OF INDIA LTDPOWER GRID CORPORATION OF INDIA LTD SRTS-I , SECUNDERABADSRTS-I , SECUNDERABAD
P%ASE TO P%ASE COUPLING
-
7/26/2019 Plcc System
9/21
POWER GRID CORPORATION OF INDIA LTDPOWER GRID CORPORATION OF INDIA LTD SRTS-I , SECUNDERABADSRTS-I , SECUNDERABAD
BASICS OF TELEP%ONY
T!PES OF SPEECH
SIMPLE$ - ONL! ONE FRE%ENC! FOR T$ & R$ DUPLE$ - SEPARATE FRE%UENCIES FOR T$ & R$
T!PES OF S!STEMS 4 WIRE - WIRES FOR T$ "MOUTHPIECE# & WIRES FOR R$
"EARPIECE#
WIRE - ONL! WIRES FOR T$ & R$ WITH H!RID 4 WIRE E&M - WIRES FOR T$ & WIRES FOR R$ PLUS ONE
FOR SIGNELLING IN "E# AND ONE WIRE FOR SIGNELLING OUT"M#
WIRE E&M - ONL! WIRES FOR T$ & R$ PLUS ONE FORSIGNELLING IN "E# AND ONE WIRE FOR SIGNELLING
T!PES OF DIALING PULSE - NORMAL ON'OFF DIALLING TONE - DUEL MULTI FRE%UENC! DIALING "DTMF#
-
7/26/2019 Plcc System
10/21
POWER GRID CORPORATION OF INDIA LTDPOWER GRID CORPORATION OF INDIA LTD SRTS-I , SECUNDERABADSRTS-I , SECUNDERABAD
TELEP%ONE
-
7/26/2019 Plcc System
11/21
POWER GRID CORPORATION OF INDIA LTDPOWER GRID CORPORATION OF INDIA LTD SRTS-I , SECUNDERABADSRTS-I , SECUNDERABAD
BASICS OF COMMUNICATION
MULTIPLU$ING
TIME MULTIPLU$ING THE AVILALE CHANNEL IS SHARED TO MAN! ! SWITCHING
ONE ! ONE FRE%UENC! MULTIPLU$ING
THE AVILALE CHANNEL IS SERVED TO MAN! ! MODULATINGTHE INPUT SIGNALS WITH DIFFERENT FRE%UENCIES
MODULATION AMPLITUDE MODULATION
THE AMPLITUDE OF THE CARRIER IS CHANGED WITH SIGNALUNDER MODULATION
FRE%UENC! MODULATION THE FRE%UENC! OF THE CARRIER IS CHANGED WITH SIGNAL
UNDER MODULATION PHASE MODULATION
THE PHASE ANGLE OF THE CARRIER IS CHANGED WITH SIGNALUNDER MODULATION
-
7/26/2019 Plcc System
12/21
POWER GRID CORPORATION OF INDIA LTDPOWER GRID CORPORATION OF INDIA LTD SRTS-I , SECUNDERABADSRTS-I , SECUNDERABAD
PLCC PANELS
IN PLCC PANEL THE VOICE( TELEMETERING '
TELE PROTECTION SIGNALS WILL E IN THERANGE OF 0-4 KHZ
WORLDWIDE THE ALLOCATED FRE%UENC!
AND FOR PLCC IS 30-500 KHZ IN POWERGRID EACH LINE IS HAVING 3 PLCC
PANELS ONE FOR SPEECH & DATA
TWO FOR SPEECH & TELE PROTECTION
IN POWERGRID A(PL(WS(PUNCOM MAKEPLCC PANELS ARE AVIALALE
-
7/26/2019 Plcc System
13/21
POWER GRID CORPORATION OF INDIA LTDPOWER GRID CORPORATION OF INDIA LTD SRTS-I , SECUNDERABADSRTS-I , SECUNDERABAD
PLCC PANEL ETI
ETI 1 IS A MODEL NAME OF A MAKESINGLE CHANNEL AF MULTIPLU$ER
IN POWER GRID MA)ORIT! PLCC PANELS AREETI-1
ETI 1 CAN E 0W OR 40W 0W SET WILL HAVE 3 TIERS
P*EA(P*E & P*EG
40 W SET WILL HAVE 4 TIERS P*EA(P*ES (P*E & P*EG
ETI IS A A MAKE TWIN CHANNEL AFMULTIPLU$ER & RAREL! USED IN POWERGRID
-
7/26/2019 Plcc System
14/21
POWER GRID CORPORATION OF INDIA LTDPOWER GRID CORPORATION OF INDIA LTD SRTS-I , SECUNDERABADSRTS-I , SECUNDERABAD
MODULE LA!OUT OF ETI-1 "0W#
-
7/26/2019 Plcc System
15/21
POWER GRID CORPORATION OF INDIA LTDPOWER GRID CORPORATION OF INDIA LTD SRTS-I , SECUNDERABADSRTS-I , SECUNDERABAD
FEATURES OF ETI-21
CARRIER SUPPRESED LOWER SIDE AND S!STE TWO LEVEL MODULATION ' DEMODULATION
IF WITH 1+ KHZ CARRIER RF WITH T$,1+KHZ ' R$,1+KHZ CARRIER
FRE%UENC! DISTRIUTION SPEECH "0-KHZ# DATA'PROTECTION "-34KHZ# PILOT "3+31 KHZ# ' DIALING "3581#
S!NCHRONISATION ! AU$ILAR! CARRIER"1+KHZ#
NET WORKING WITH UILT IN COMPANDERCONTROL CARD
-
7/26/2019 Plcc System
16/21
POWER GRID CORPORATION OF INDIA LTDPOWER GRID CORPORATION OF INDIA LTD SRTS-I , SECUNDERABADSRTS-I , SECUNDERABAD
ETI-21 BLOC DIAGRAM
-
7/26/2019 Plcc System
17/21
POWER GRID CORPORATION OF INDIA LTDPOWER GRID CORPORATION OF INDIA LTD SRTS-I , SECUNDERABADSRTS-I , SECUNDERABAD
INPUTS & OUTPUTS OF ETI-21
SPEECH
4W E&M WITH COMPANDER CONTROL WITH E$CHANGE W E&M FOR E$PRESS TELEPHONES WITH WINT CARD INPUT LEVEL IS 0. AT +00 OHMS IMPEDANCE INPUT AND OUPUT IS THROUGH O3EE CARD
DATA 50 AUD CHANNELS OF 5 NOS OR 00 AUD CHANNELS
NOS OR +00 AUD CHANNELS OF 1 NO INPUT IS IN 03EA CARD AND OUPUT IS IN 03EH CARD
PROTECTION +00 AUD CHANNEL WITH O. LEVEL INPUT IS IN 03EA CARD AND OUPUT IS IN 03EH CARD
RF INPUT'OUTPUT COA$IAL CALE OF IMPEDENCE *5 OHMS' 15 OHMS '150
OHMS
-
7/26/2019 Plcc System
18/21
POWER GRID CORPORATION OF INDIA LTDPOWER GRID CORPORATION OF INDIA LTD SRTS-I , SECUNDERABADSRTS-I , SECUNDERABAD
TELEPROTECTION
Protection of a circuit, the ends of which are
geographically separate like Lines and Cables in
which co-operation is obtained between the two
relaying points by the transmission of informationover the Distance by Telecommunication Technique
-
7/26/2019 Plcc System
19/21
POWER GRID CORPORATION OF INDIA LTDPOWER GRID CORPORATION OF INDIA LTD SRTS-I , SECUNDERABADSRTS-I , SECUNDERABAD
TELEPROTECTION
T/ 2 6 7-9:;
1$ P'() *+'./(+
2$ D/('*) .+)*/+ P)./((/3)4B+*/8
!$ D/.)* T.//
T/ 9/;:?@ 9
-
7/26/2019 Plcc System
20/21
POWER GRID CORPORATION OF INDIA LTDPOWER GRID CORPORATION OF INDIA LTD SRTS-I , SECUNDERABADSRTS-I , SECUNDERABAD
TELEPROTECTION
-
7/26/2019 Plcc System
21/21
THANK YOUTHANK YOU