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| Date | 2020-06-02 |
|---|---|
| Type | Commercial Circular |
| Topic | reservation |
| Currency | Currency not verified |
S1 Basics of Indian Railway Signalling Ver.1.0
BASICS OF RAILWAY SIGNAL ENGINEERING G.V.RAO-ITD2 IRISET/SC SUBJECT IRISET- SECUNDERABAD 1 CHAPTER -1 INTRODUCTION TO RAILWAY SIGNALLING SUBJECT IRISET- SECUNDERABAD 2 VARIOUS TRANSPORT SYSTEM AGILITY TRAINS ANNOUNCED AS*PREFERRED BIDDER FOR INTERCITY EXPRESS PROGRAMME (IEP) hae i» Teal Railway signalling • Railway Signal- apparatus used to provide non- verbal, safe and precise information to driver • Aspect- How signal appears ( Red, Yellow& Green ) • Indication- Information provided by aspect • ON aspect- Most restrictive aspect ( RED for Stop Sig) • OFF aspect- Other than ON aspect ( Yellow / Double Yellow/ Green ) SUBJECT IRISET- SECUNDERABAD 5 ROAD SIGNAL Railway signal SUBJECT IRISET- SECUNDERABAD 6 Two Aspect Lower Quadrant Signalling ON Aspect: 00 to 50 Indication- Stop Dead OFF Aspect: 450 to 600 Indication- Proceed 7 02.06.2020 S1 Basics of Indian Railway Signalling Ver.1.0 I. Stop Signal Stop Dead Proceed and be prepared to stop at the next Stop Signal Proceed 400 to 450 850 to 900 8 00 to 50 02.06.2020 S1 Basics of Indian Railway Signalling Ver.1.0 Upper Quadrant Semaphore Signalling I. Stop Signal Multiple Aspect Colour Light Signals I. Stop Signal (Three aspect) 9 Proceed Caution Stop 02.06.2020 S1 Basics of Indian Railway Signalling Ver.1.0 10 02.06.2020 S1 Basics of Indian Railway Signalling Ver.1.0 Multiple Aspect Colour Light Signals Stop Signal (Four aspect) Need for Signaling in Railways: • Signalling in railways has evolved for the following: • Running trains safely by securing it`s intended path. • Handle more trains effectively. • Unambiguous & Timely Communication to Loco Pilot for regulating speed of train • The Train Loco Pilot is very much dependent on the aspect of the signal for controlling the speed of train SUBJECT IRISET- SECUNDERABAD 11 Railway Signalling conveys the following • Timely information to Loco Pilot for regulating speed of his train. • Information is conveyed by a signal showing various aspects. . Many signals are interlinked for giving advance information. • A signal ensures • Physical clearance of intended path. • Securing various points in the path. • Closure of Level crossing gates. • No other train is moving in this path. SUBJECT IRISET- SECUNDERABAD 12 Axle with wheels S.V. Rao 13 Wheel Flange G.V Rao- ITD2 14 Point G.V. Rao 15 Stock Rail, Tongue rail ( Switch rails ) STOCK RAIL Points & Cross over Individual Point 17 1676 MM Point Clamp 18 POINTS : A Mechanism provided on the track to facilitate diversion of trains from one route to another. (Our Engines do not have steering wheel as available in motor cars) Trailing Point Facing Point Facing Point & Trailing Point Crossing Point reverse Sig yellow with route Point normal Sig yellow without route Point.A Pt.B X Y Z Pt.C Pt. A for train X Pt. B for train Y Pt. C for train Z Pt. B for train Z T F F T EXAMPLE Points & Signals S.V. Rao 24 25 TURNOUTS FACING POINT TRAILING POINT SE4-CAVACH VER-1.0 IRISET- SECUNDERABAD Station yard ( Points ) S.V. Rao 26 Signalling concepts CONTROL OVER MOVEMENT OF TRAINS Time Interval Method and Space Interval Method 02.06.2020 27 S1 Basics of Indian Railway Signalling Ver.1.0 • Trains cannot be steered away as in the case of other transports. • They are required to follow one another in the same direction on the length of track. • Another set of diversion track is required to be provided either for overtaking vehicles moving in the same direction or for crossing the vehicles from the opposite direction. Control over movement of trains 02.06.2020 28 S1 Basics of Indian Railway Signalling Ver.1.0 Time Interval Method- • Different types of trains like, Express/Mail, passenger, high-speed freight and low speed freight shunting trains are running etc. • The speed of all the trains are not s
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