Indian Railway Signalling – Page 14 – Railway Signalling Concepts

Platform Emergency Stop Plunger(PESP) Railway

March 6, 2022June 8, 2022adminLeave a Comment

Platform Emergency Stop Plunger(PESP) Railway Platform Emergency Stop Plunger(PESP) Railway :- * Five Emergency Stop Plungers shall be provided at each platform for the use of passengers and staffs to stop the train in case of emergency. * One Emergency Stop Plunger for each platform shall be provided in the Station control Room (SCR) panel. * […]

RAILWAY DESIGNING OF RELAY LOGIC

March 4, 2022June 7, 2022adminLeave a Comment

RAILWAY DESIGNING OF RELAY LOGIC PRESENTATION CIRCUITS-1 While designing the logic circuits conditions imposed in the control table are to be followed Following guidelines are to be to be followed for various types of relay logic circuits. CIRCUITS-2 * What is a meshed circuit and what are the risk factors to be considered? * Special […]

Point Machine Railway

March 4, 2022June 7, 2022adminLeave a Comment

Point Machine Railway Presentation It is a term used to describe the arrangement of rails that allow junctions to be made in the track. In simple terms arrangement of rails where two lines converge or diverge on a track. Components of Point Layout. Stock rails – 2 Switch Rail- 2 Gauge tie plate -1 Nose Crossing […]

Railway Electrification Advantages vs Disadvantages, Power supply

March 4, 2022June 8, 2022admin1 Comment

Railway Electrification Advantages vs Disadvantages, Power supply Advantages 1. Increased track capacity – Locomotive – Faster and more powerful 2. Less fuel consumption – with employment of regenerative braking fuel consumption is further lowered 3. Electric locomotives are cheaper, have long life, are less complex, have greater reliability, compared to Diesel counterpart 4. Environment friendly Disadvantages […]

Railway Overhead Line Equipment

March 4, 2022June 8, 2022adminLeave a Comment

Railway Overhead Line Equipment Overhead Line Equipment (OLE) includes Wires suspended over the railway line for supplying electricity to electric trains, including associated: Fittings Insulators Feeders Switches Jumpers Return conductors OLE wires Catenary wire and Contact wire 1. Catenary wire is carried on insulators or insulated supports attached to the structures. 2. Contact wire is […]

Railway Signalling Correlation & Correlation Waiver Presentation

February 4, 2022June 7, 2022admin1 Comment

Railway Signalling Correlation & Correlation Waiver Presentation Purpose of Correlation (quotes from NR/L2/SIG/11201 mod A7) Correlation of signalling records and equipment and wiring on site is required to: Check the accuracy of source records prior to any design alteration; To check that records match the actual equipment and wiring at the site they represent. This means […]