Railway Signalling Concepts – Page 33 – Information About Axle Counter,Track Structure Point & Crossing,Cable Schematics,CBTC Equipment,Overlaps,Core Plans,Earthing,ERTMS,Headway Calculation,Hot Axle Box Detectors,Interface Design,Level Crossing,Markers & boards,Bonding Plan Electrical Lockings,Route locking,Automatic Warning Systems AWS,Point Circuit,Equipment Treadle,Track Layout,Track Circuit Interrupters,Train Protection Warning System (TPWS),Slip Siding & Catch Siding.

RAILWAY SIGNALLING SWITCH & CROSSING COMPONENTS

April 4, 2022June 7, 2022admin5 Comments

RAILWAY SIGNALLING SWITCH & CROSSING COMPONENTS SWITCHES & CROSSINGS Commonly known as S&C Defined as track components that exist to provide a means whereby trains may be directed from one track or route to another track or route. Consist of: one (or more) sets of switches common (or acute) crossing and […]

Metro Rail Function Definitions

April 4, 2022June 7, 2022adminLeave a Comment

Metro Rail Function Definitions 1. “Local Control” means the assumption of the responsibilities of the Traffic Controller for the specific station by a person who is authorized to do so for the time being. 2. “Metro Railway Employee” means an employee duly qualified, possessing a valid certificate of competency and nominated to undertake and perform […]

OVERLAP & FLANK PROTECTION RAILWAY SIGNALLING

April 4, 2022June 7, 2022admin1 Comment

OVERLAP FLANK PROTECTION RAILWAY SIGNALLING OVERLAP The distance beyond a stop signal which must be clear and where necessary locked in order to clear previous signal. Background The purpose of an overlap is to provide an unobstructed portion of line beyond the exit signal reserved in case the train passes the exit signal at danger. […]

Railways Gate Signal | Routing Indicator | Junction type route indicator | Multi lamp route indicator

April 4, 2022June 8, 2022admin3 Comments

Railways Gate Signal | Routing Indicator | Junction type route indicator | Multi lamp route indicator Gate Signal :- The Gate stop signal shall be provided with „G‟ marker. Letter „G‟ in black on a yellow circular disc. A semi-automatic stop signal interlocked with a level-crossing gate shall be provided with „G‟ marker disc and […]

Railway Booster Transformers/return conductor (BT/RC) system

April 4, 2022June 8, 2022admin1 Comment

Booster Transformers/return conductor (BT/RC) system |Automatic Power Control ■To improve matters further current must be forced or driven through RCs and ideally 100% of return current is required in the RCs. This is achieved through Booster Transformers ■Booster transformers are installed at overhead line overlap spans generally at intervals of 3.2 Kms ■Primary winding is […]

Railway ‘V’ Style Frame Four Foot Point Circuits With Insufficient Track Locking

April 4, 2022June 8, 2022adminLeave a Comment

Railway ‘V’ Style Frame Four Foot Point Circuits With Insufficient Track Locking This section shows two complete point circuits demonstrating insufficient track locking. Utilising an extra track circuit V’ Style Frame Four Foot Point Circuits With Insufficient Track Locking Abbreviations Electrical Supplies BX100 – Live side of single-phase 100V AC feed NX100 […]