Return paths for Traction current

Railway Return paths for Traction current

Return conductors, Rail return, Return paths for Traction current (and suppression at source) Return paths for Traction current (and suppression at source) 1. Current is collected from the OLE by the train pantograph and taken to the train equipment. 2. Having passed through equipment on train, current passes through axles and wheels of the traction unit to […]

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OCC

Metro Rail Communication Through Radio Systems 

Metro Rail Communication Through Radio Systems,Radio Waves, Frequency Spectrum,Radio system,RADIO CENTRAL EQUIPMENT AT OCC,Trunking,TETRA Trunking,Talk group,Calls are semi-duplex,TYPES OF MODES OF COMMUNICATION,Group Mode, Private Mode,Phone Mode, Emergency Call,EBTS (Enhanced base Transreceiver System),Transmitter,Transmitter Block Diagram,Receiver,Receiver Block Diagram,Types of radio,Mobile Portable radio,Mobile Vehicle radio\Fixed,RAU(Radio Access Unit),Train radio,Trainborne equipment,Radio console workstation,Hand Portable radio,Advantages of TETRA,Disadvantages of TETRA Metro […]

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EQUIPMENT ROOM IN OCC

Metro Rail Basic Components of Telecommunication Department

FOTS ( Fiber Optic Transmission System),PIDS (Public Information Display System),PAS (Public Address System), Master Clock,CCTV (Closed Circuit Television),Radio System,EPABX (Electronic Private Automatic Branch Exchange), Metro Rail Basic Components of Telecommunication Department,Operational Control Center (OCC), OCC Theatre, CHIEF CONTROLLER AT  OCC , VIEW OF OCC FROM TOP, EQUIPMENT ROOM IN OCC,SDH RING DIAGRAM,Public Information Display System […]

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BLOCK DIGRAM SEIMEN’S AFTC

Metro Rail Advantages of AFTC

Metro Rail Advantages of AFTC,Metro Rail Advantages of AFTC,TI-21 A.F.T.C.,TECHNICAL SPECIFICATION OF, COPONENTS FOR END FEED A.F.T.C.,BLOCK DIGRAM OF TI-21 END FEED AFTC,AFTC END FEED WITH NO TRACK CIRCUIT ZONE,Transmitter ABB,RECEIVER- ABB,Gain Setting In T1 Type AFTC,Seimen’s A.F.T.C, Technical data-1,FTGS STANDRAD CONFG.BLOCK DIGRAM SEIMEN’S AFTC,Seimen’s A.F.T.C,TRACK VACANCY DETECTION, Modulation And Coding,AFTC EQUIPMENT,SEPARATION JOINTS,TRACK CONNECTIONS, Track side […]

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The Point Control Circuit

Railway Point Control Circuit & Point Indication Circuit

N’ Style Four Foot Point Circuits, The Point Control Circuit, The Point Indication Circuit Railway Point Control Circuit & Point Indication Circuit The Point Control Circuit :- Fig 3.2 shows the point control circuit for an ‘N’ style frame. The differences here are the RC and NC lever bands which are used for the energisation of the respective Reverse and […]

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Railway Signalling Control Tables Presentation

Railway Signalling Control Tables Presentation

signalling design control tables, handbook on basic concepts of railway signalling, railway control tables, railway signalling materials, crank handle railway, signal overlap in railways, cross protection in railway signalling Railway Signalling Control Tables Presentation Control Tables are to be printed in A3 or A4 size. Criteria for the text size is readability and so A4 […]

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