Pointsman of Indian Railways – एक परिचय

12-12-2021

Pointsman of Indian Railways - एक परिचय RAILWAY INFORMATION

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What does ‘Static Converter Fitted’ or similar annotation mean on a locomotive?
June 20, 2019

What does ‘Static Converter Fitted’ or similar annotation mean on a locomotive? Locos traditionally had a rotary converter (of Arno make) to generate 3-phase AC on board to power auxiliary equipment such as traction motor blowers, compressors, exhausters, etc. Starting in the 1980s static converters using solid-state circuitry to generate

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What is bio-diesel? What are bio-diesel locomotives?
June 20, 2019

Biodiesel is the name given to various fuels or diesel fuel mixtures that incorporate varying amounts of oils derived from plants. While in western countries interest has centred on soybean oil and other crops' oils for use in diesel engines, in India, local plants such as 'Ratanjyothi' (Jatropha curcas), 'Karanjia' (Pongammia pinnata), and 'Neem'

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What does ‘microprocessor control’ for a locomotive mean?
June 20, 2019

What does ‘microprocessor control’ for a locomotive mean? 'Microprocessor control' can mean a few different things. A few of the newer electric locomotive models such as the WAP-5 or WAG-9 with complex 3-phase AC drives have circuitry and equipment controlled by microprocessors. In these, the microprocessor or computerized control is an

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What driver vigilance or driver alertness systems are used by IR in its locomotives?
June 20, 2019

What driver vigilance or driver alertness systems are used by IR in its locomotives? Several loco classes have speed limiters with buzzers that go off when the prescribed speed is exceeded. In some cases these may also result in the application of brakes. Some WAP-4 locos have the buzzer system and it is set for a speed of 130km/h although they

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I’ve heard that some locos have ‘cruise control’. What does this mean?
June 20, 2019

I’ve heard that some locos have ‘cruise control’. What does this mean? Some locomotive classes such as the WAP-5 and WAP-7, as well as the WAG-9, have controls in the cab that can 'lock' the train to travel at a certain speed (the speed at the time the control or button is set). The button is known as the 'BPCS' button. The computerized

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What’s the cause of the characteristic jerk or momentary loss of power felt when a WDM–2 accelerates?
June 20, 2019

What’s the cause of the characteristic jerk or momentary loss of power felt when a WDM–2 accelerates? The WDM-2 loco, like most diesel-electric locos, has several configurations of its traction motors that are used as the loco accelerates from rest (Series Parallel - Series Parallel Shunt - Parallel - Parallel Shunt, and weak field

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