COMPATIBILITY BETWEEN
RAILWAY ELECTRICAL SYSTEMS
B
B
132 to 25kV OLE transformer
B
B
MPC
MPC
MPC
MPC
B
B
B
B
25 kV switchgear & OLE dampers located in TSC Compound
XB XB XB XB XB
Spider plate
MobileGenerator
TelecomsEquipment
PL Services
Train 2
Spider plate
XB
L
DPLServices
DPLServices DB02DB01 DB02
ACC Equipment
48V PS 48V PS
ACC Equipment
48V PS 48V PS
L
ACC Equipment
48V PS 48V PS
DB01 DB02
PH
GSMR
RECTransformer
GSMR
RECTransformer
400 VREC
Switchgear
RECTransformer
Mains & Traction
Supply DB
Changeover switch
415 V to 650 V transformer
650 V regulator
25 kV to 800 V transformer 650 V earth
free supply to existing location cases
Old type Signalling Equipment
110V BatteryCharger
SCADA110V
Batteries
50VBatteries
400 VREC
Switchgear
RECTransformer
TSC400 V
Switchgear
Cable armouring may or may not be
gapped
Dedicated British Telecom lines to Crewe Control Centre
GSMRL
Train 1
B
B
DPL DPL
PSP Compound
25 O 25 O 25 O 25 O 25 O
25 O 25 O 25 O 25 O 25 O 25 O
4 O4 O4 O4 O4 O
4 O4 O4 O4 O4 O
TSC 25 kV switchgear
Control & supervision equipment
TSC
N
eutra
l Bu
sbar
EarthBusbar
Independent Earth
PointHeating
RECTransformer
TSC Compound
LL L L
DPL
Ear
th B
usba
r
DPL
Ear
th B
usba
r
DB01
20 O20 O
20 O
L
L L
LL
PSP Services
Telecom DB
4 O
DB03
230/230 V PSVTVL
Telc
oms
Earth
Bar
Link
Label Description of Equipment DB01 Signalling Type N Supplies DB02 Signalling Type R Supplies DB03 Signalling 230 V Location Case Supplies
L Location Case GSMR Global System for Mobile Communications
PS Power Supply
Line/EquipmentColour
25 kV OLE conductor 25 kV OLE return conductor Earth or connection to traction return rail Traction return rails, 25 kV OLE Damper or REC Neutral 800 to 650 V, transformer to 650 V regulator 650 V cables REC 400 V phase conductor REC 400 V phase conductor REC 400 V phase conductor 400 V three phase and neutral supply Three phase (earth free) supply 230 V single phase and neutral supply 230 V single phase (earth free) supply to location cases 110 V points heating cable 110 Vd.c. supply 50 Vd.c. supply Signalling feeds from ACC Equipment to location cases Telecoms Copper Cables Telecoms Screening conductor or its earth BT Lines Local earth electrode
Equipment locally earthed Equipment earthed to REC TSC Equipment earthed to traction return rail Points Heating
RECTransformer
Station & Platform Supplies
Platform Furniture
25 O
50V BatteryCharger
230 V domestic supplies
Electrical Systems Interactions Diagram
SIZE FSCM NO DWG NO REV
406002-L-TN-031SCALE 1:10000 SHEET 1 OF 1
UPSBypassPanel
Edinburgh Tramway – D.C. Supply
I.C.M.U. INTERFERENCE:
Overground Problems
UNDERNEATH THE ARCHES:
REMOTE COUPLING:
TUNED ZONE
T.I.21
Tx
AMP
R.E.C. MAINSCABLE
TRAINLEAVESSECTION
TRAINENTERSSECTION
FAULT25kVLINE
VOLTAGE
SIGNALLINGSUPPLY
VOLTAGE(STANDBY)
SIGNALLING SUPPLY FROM O.L.E.:
COMPATIBILITY BETWEENRAILWAY ELECTRICAL SYSTEMS
QUESTIONS AND ANSWERS