centralised traffic control working on dhamra line of ecor p. venkata ramana, senior professor...
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Centralised Traffic Control Working On Dhamra line of ECoR
P. Venkata Ramana, Senior Professor (Signal)Indian Railway Institute of Signal Engg & Telecommunication,
Secunderabad
Railway Convention on 3Cs SystemsManekshaw Convention Centre, New Delhi
28th & 29th August, 2015
DHAMRA PORT
BAY OF BENGAL
DHAMRA LINE
Bhatatira
Tihiri
Gurudaspur
Bansara
Dhamra
Ranital Link
Bhadrak
DHAMRA LINE
Ranital Link
Bhadrak J n.
Bha
tatir
a J
n
Tihi
ri
Gur
uda
spur
Bans
ara
Dha
mra
Bulb
1
Rail Flyover
Che
nna
i - H
ow
rah
Trun
k Ro
ute
Bulb
2
Port
SYSTEM OF WORKING
Ranital Link
Bhadrak J n.
Bha
tatir
a J
n
Tihi
ri
Gur
uda
spur
Bans
ara
Dha
mra
Bulb
1
Rail Flyover
Che
nna
i - H
ow
rah
Trun
k Ro
ute
Bulb
2
Port
• Ranital Link: Special Class Station• Bhatatira Jn: B Class 6 line Station• Tihiri: C Class Station• Gurudaspur: B Class 4 line Station• Bansara: C Class Station• Dhamra Terminal: B Class 8 line Station• Port Bulb 1: Special Class Station• Port Bulb 2: Special Class Station
SYSTEM OF WORKING
Ranital Link
Bhadrak J n.
Bha
tatir
a J
n
Tihi
ri
Gur
uda
spur
Bans
ara
Dha
mra
Bulb
1
Rail Flyover
Che
nna
i - H
ow
rah
Trun
k Ro
ute
Bulb
2
Port
• Multiple Aspect Colour Light Signalling (MACLS)
• Interlocking Controller– Single Processor with Diverse Software– Hot Standby– Keyboard, Video, Mouse (KVM)– Data logging & Diagnostics
• Track detection by track circuits• LED Signals
SYSTEM OF WORKING
Ranital Link
Bhadrak J n.
Bha
tatir
a J
n
Tihi
ri
Gur
uda
spur
Bans
ara
Dha
mra
Bulb
1
Rail Flyover
Che
nna
i - H
ow
rah
Trun
k Ro
ute
Bulb
2
Port
• Conventional Double line Block: – Bhatatira – Bhadrak -- Ranital link junction
cabin
• Inter-cabin Slot working– Dhamra Terminal - Port Bulb 1 & Port Bulb 2
• Electronic Block: – Bhatatira – Tihiri – Gurudaspur – Bansara –
Dhamra Terminal
• Block Section Proving by Axle Counters
WAYSIDE STATION
CTC CONFIGURATION
CTC NETWORK
Ranital Link
Bhadrak J n.
Bha
tatir
a J
n
Tihiri
Gur
uda
spur
Bans
ara
Dha
mra
Bulb
1
Rail Flyover
Che
nna
i - H
owra
h Tr
unk
Rout
e
Bulb
2
Port
STATION INTERLOCKING CONTROLLER
CENTRALISED TRAFFIC CONTROL
OFC
Leased Line
CTC FEATURES
• Application Servers– In duplicate
• Control Terminals– Controller, Supervisory, Operations
• GPS based Time Servers– GPS Antenna– In duplicate
• Network Devices– Industrial Grade Switches & Routers for
Dark fibre & Local Ethernet
• Diagnostic & Maintenance Panel– Video Replay, Data logging & Diagnostics
CTC FEATURES
• Application Modules– Station Layouts– Status of Interlocking Controllers
• Alarms & Enunciators– Local & Remote Faults
• Algorithm– Application Data design
• User Authentication• Route Stacking– Fleet mode
• KVM • NMS
CTC FEATURES
• Local/Remote Operation– Signals, Switches, Crank Handle & Gate
Controls– Block Operation
• All Emergency Cancellations– Except Emergency Switch Operation
CTC NETWORK
CTC NETWORK
Ranital Link
Bhadrak J n.
Bha
tatir
a J
n
Tihiri
Gur
uda
spur
Bans
ara
Dha
mra
Bulb
1
Rail Flyover
Che
nna
i - H
owra
h Tr
unk
Rout
e
Bulb
2
Port
STATION INTERLOCKING CONTROLLER
CENTRALISED TRAFFIC CONTROL
OFC
Leased Line
Essentials of Absolute Block Working
For Single line provided with MACLS• Line Clear has been received from the
Block Station in advance• The line is clear of trains running in
the same direction, up to the first stop signal and an adequate distance beyond it
• The line is clear of trains running in the opposite direction
• The adequate distance shall not be less than 180 meters in MACLS
Special Requirements - Indications
• LINE CLOSED– At both the stations– When the instruments are normal and there is no train in
the block section
• TRAIN COMING FROM– At the receiving station– When Line Clear for a train to leave the Block station in
rear has been given
• TRAIN GOING TO– At the sending station– When Line Clear for a train to leave a Block station has
been received from the Block station ahead
• TRAIN ON LINE– At both the stations– For Token less Block Instruments
Special Requirements – Push Button
• TRAIN GOING TO & COMING FROM– Button for TRAIN GOING TO– Co-operation of the Station Masters be
dispensed with
• TRAIN ON LINE be automatic• LINE CLOSED– Button for LINE CLOSED– Can be dispensed with where an
automatic device of closing the Block section is provided
BLOCK WORKING
DID
P
2 (THR-BTTR)
(THR-GRDP)
BAXT
P
BAXT
UID1
SECTION BLOCK
LINECLOSED
TRAINON LINE
GRANT REQUEST
LINE CLEAR TIHIRI
LINECLOSED
TRAINON LINE
GRANT REQUEST
LINE CLEAR
SECTION BLOCK
BLOCK WORKING
Steps Involved
• Establishment of Direction of Traffic• Obtaining ‘Line Clear’• Closing of Block Section
DIRECTION SETTING
S22
BHATATIRA TIHIRI GURUDASPUR
DnUp
1T
S2 S2
S1 S1 S17
BAXT 1T
2T 1T
BAXT
Bhattathira Tihiri Gurudaspur
Signals S1 RECR UpS22 RECR Up
S1 RECR UpS2 RECR Up
S2 RCER UpS17 RECR Up
Track Circuits
1T UpBAXT Up
1T Up2T Up
BAXT Up
1T UpBAXT Up
DIRECTION SETTING
Bhathatira
Reqest forSetting of Dn Direction
Reqest forSetting of Dn Direction
Gurudaspur
Tihiri
Up LSS &Dn FSS On?
FVTTC Free?
BLOCKAXT?
UP & DnFSS On?
BO TC Free?
BLOCKAXT Free?
Up LSS &Dn FSS On?
UP LVTTC Free?
BLOCKAXT?
Up & Dn
N
Y
N
N
N
N
N
N
N
N
Y
Y
Y
Y
Y
Y
Y
LINE CLEAR
S22
BHATATIRA TIHIRI GURUDASPUR
DnUp
1T
S2 S2
S1 S1 S17
BAXT 1T
2T 1T
BAXT
Bhatatira TihiriSignals S1 RECR up
S22 RECR upS1 RECR UpS2 RECR Up
Track Circuits
1T UpBAXT Up
1T Up2T Up
BAXT UpZR1 Up, ZR2 Up, ZR3 Up
LINE CLEAR
Establised?
Up FSS &Dn LSS On?
LSSTC Free
Up & Dn FSS On?
FVT TC Free ?
BLOCKAXTs Free?
BLOCKAXT?
LINEBLOCKED?
GRANT
LINE CLEAR
REQUEST GRANT
LINE CLEAR
REQUEST GRANT
LINE CLEAR
REQUEST
GRANT
LINE CLEAR
REQUEST
Bhathatira
Reqest forLine Clear
Tihiri
Up & Dn
N
N
N
N
N
N
N
N
Y
Y
Y
Y
Y
Y
Y
Y
Direction
LINE CLOSED
CONDITIONS FOR LINE CLOSED
Bhatatira Tihiri
Signals S1 RECR UpS22 RECR Up
S1 RECR UpS2 RECR Up
Track Circuits
1T UpBAXT Up
1T Up2T Up
BAXT UpZR1 UpZR2 UpZR3 Up
SEQUENTIAL RELAY PROVING
FOR TRAIN ARRIVAL @ TIHIRI
ZR1 Up ZR2 Up ZR3 Up
BAXT Dn2T Dn1T DnS2 SET
BAXT Dn2T Up1T Dn
BAXT Up2T Up1T Up
S22
BHATATIRA TIHIRI GURUDASPUR
DnUp
1T
S2 S2
S1 S1 S17
BAXT 1T
2T 1T
BAXT
BLOCK WORKING IMPLEMENTATION
• Block Control Chart• Application Data design & Logic
CONCLUSION
• Showcase – Integration of Absolute Block Working with
Interlocking Controllers at Wayside stations– Centralized Remote Operation
• Traffic operations are found to be economical & efficient– Less manpower & NMS– Throughput, Fleet mode
• Marginal cost - next phase of expansion– 30MTPA freight traffic – Current Year– 57MTPA freight traffic – Year 2020
WAY AHEAD
• 15% Electronic Interlocking Systems in IR (880/5944 block stations)
• Multiple Vendors– Requirement for Networking Standards
for interoperability for Centralised Monitoring & Opeartion
Dhamra Line – CTC Working
Any Questions?
Dhamra Line – CTC Working
Thank You
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