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2005 EE533

Week 10 – APM System

AC Traction Power Supply System

Paul LoSenior Electrical Engineer

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Automated People Mover – HK International Airport

West Hall

East

Hall

APM SystemRuns betweenEast Hall andWest Hall

HK International AirportPassenger Terminal BuildingLayout Map

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Automated People Mover System - Route Map

APM Trains

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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

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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

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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

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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%

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PDS EquipmentPhotos

Photo area

11KV / 600V

Traction Transformer RoomTR01

TR02

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Transformer –

Internal Layout

PDS EquipmentLifting Lugs

LV Terminal

Name Plate

Upper Frame

HV Terminal

InterphaseLead

No Voltage Tap Changer

Lower Frame

Anti-vibrationRubber

Wheel

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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

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Photo area

Traction Transformer

Photo 2 -

Transformer core inside

Housing

• 600V side

• Star Connection

PDS EquipmentPhotos

Star Point

Outgoing Cables

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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

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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

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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

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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

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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

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600V switchboard – Single line diagram

52F1 52F2

52S152S2

52F352FL252FL1

DSF1 DSF2

DS1

DS0

TR1 TR2

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52FL1 52F1 52S1 DS0 52S2 52F2 52FL2 52F3

PDS Equipment Photos – 600V switchboard