1
1
2005 EE533
Week 10 – APM System
AC Traction Power Supply System
Paul LoSenior Electrical Engineer
2
Automated People Mover – HK International Airport
West Hall
East
Hall
APM SystemRuns betweenEast Hall andWest Hall
HK International AirportPassenger Terminal BuildingLayout Map
2
3
Automated People Mover System - Route Map
APM Trains
4
APM Train System - Technical Data
� Train Speed� Maximum: 70 km/h� Acceleration: 0.98 m/s2 maximum� Deceleration: 1 m/s2 maximum� Emergency deceleration: 1.5 m/s2 maximum
� Route Length� Running Line (East Hall to West Hall) : 700 meters� Overall (included siding) : 1300 meters
� The first driverless electrification transportation system in HK
3
5
APM Traction Power Distribution System
� PDS key data
� System Voltage: 600V, 3-Phase AC, 50Hz
� Installation Capacity: 2500kVA (up to 3000KVA)
� APM trains current collection method :
- 3rd Power Rail System
6
PDS – Simplified Single Line Diagram
East HallArrival
Platform
East HallDeparture Platform
End of Line
West HallArrival
Platform
West HallDeparture Platform
TractionTransformer
11kV RMU
East Hall Substation
LEGEND
ACB (N/O)
ACB (N/C)
Harmonic Filter
Isolator (N/O)
Isolator (N/C)
Section Insulator
11kV 3Ø Supply
Power Rail
Power Rail
Cable Section
APMDepot
Stinger System
DepotSubstation
4
7
PDS – Major Equipment Data
Traction Transformer- Standards : BS171, IEC60076
- Vector Group : Dyn11
- Type of insulation : Cast Resin Epoxy
- Rated power : 2500 kVA
- Rated primary voltage : 11 kV AC 3-phase
- Rated secondary voltage : 600 V AC, 3-phase
- Rated frequency : 50Hz
- Power frequency / Impulse withstand voltage : 28 kV / 75 kV peak
- Impedance voltage : 6.5%
- Thermal Class : F
- Type of cooling : AN
- LV Insulation Level : 3 kV
- OFF load tap changer : +/- 5% step 2.5%
8
PDS EquipmentPhotos
Photo area
11KV / 600V
Traction Transformer RoomTR01
TR02
5
9
Transformer –
Internal Layout
PDS EquipmentLifting Lugs
LV Terminal
Name Plate
Upper Frame
HV Terminal
InterphaseLead
No Voltage Tap Changer
Lower Frame
Anti-vibrationRubber
Wheel
10
Transformer Construction
PDS Equipment
1 Lifting lugs2 LV Terminals3 HV Coil4 LV Coil Termination5 Core Bandage6 LV Coil7 Pulling Holes8 Lower Frame9 Core Yoke10 Core Bolt Insulation11 Core Pressing Bolts12 Upper Frame13 Coil Clamp Adjustor14 Tap Link15 Resin Support Block15A Resilient Pad16 Core Legs17 Tie Bars18 HV Terminal19 HV Taps20 Anti-Vibration Rubber21 Trolley Frame22 Bi-directional Wheel23 HV Conductors24 Air Duct for Cooling25 LV Conductors
6
11
Photo area
Traction Transformer
Photo 2 -
Transformer core inside
Housing
• 600V side
• Star Connection
PDS EquipmentPhotos
Star Point
Outgoing Cables
12
Photo area
PDS EquipmentPhotos
Traction Transformer
Photo 3 -
Transformer core inside
Housing
• 11kV side
• Delta Connection
Interphase lead
No Voltage tap changer
Incoming 11kV Cables
Insulator
CastResin Core
7
13
Photo area
Traction Transformer
Photo 4 –
Core Construction
PDS EquipmentPhotos
Air duct between core
for heat dissipation
Copper Winding are embedded
inside the cast resin core
14
East Hall S/S Layout
Cable Trench to APM Tunnel
Cable Trench
East Hall Substation
Auxilia
ry Pla
ntroo
m
Departure Line Tunnel
Battery & Charger
RTU
Main SwitchboardHarmonic
Filter
8
15
PDS Equipment – 600V Switchboard
Technical Data- Standards : EN60439, IEC947
- Rated voltage : 600V AC
- Rated busbar current : 2500 A
- Rated CB current (incomer) : 2500 A
- Rated CB current (line feeder) : 2500 A
- Breaking capacity : 50 kA
- CB pole numbers : 3
- Fault current withstand : 50 kA 1 sec.
- Type of insulation : Air
- Type of interruption : ACB
16
PDS Equipment – 600V Switchboard
Switchgear DesignationDevice No. Function
52S1 Incomer - Transformer No. 1
52S2 Incomer - Transformer No. 2
52F1 Line Feeder – Arrival
52F2 Line Feeder – Departure
52F3 Depot Feeder
52FL1 Harmonic Filter Feeder No.1
52FL2 Harmonic Filter Feeder No.2
DS0 Isolator - Busbar
DS1 Isolator – Feeder
DSF1 Isolator – Arrival
DSF2 Isolator - Departure
9
17
600V switchboard – Single line diagram
52F1 52F2
52S152S2
52F352FL252FL1
DSF1 DSF2
DS1
DS0
TR1 TR2
18
52FL1 52F1 52S1 DS0 52S2 52F2 52FL2 52F3
PDS Equipment Photos – 600V switchboard