What does ‘Static Converter Fitted’ or similar annotation mean on a locomotive?

20-06-2019

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 3-phase AC on board have been used instead of the Arno converter, driving up efficiency and reliability by eliminating the moving parts that the Arno contained. Also Read - WHAT AND HOW OF ADOPTION PROCESS IN INDIA Static convertors and microprocessor control have now become standard kit for all new production WAP-4s beginning from the 22640 series. Static convertors have become standard for all new WAG-7's too. This has also meant

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Locomotive – What do the notations such as ‘2-4-2’ mean?
June 20, 2019

Traditionally, steam locomotives have been classified by their wheel arrangements. The system most widely used was the Whyte system. In this, the loco's leading non-powered wheels, the (usually coupled) driving wheels, and the trailing non-powered wheels are indicated separately. Indian practice (following the UK) was to count wheels and not just

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Locomotive – Where can I find diagrams of locomotives?
June 20, 2019

In the UK, diagrams from major locomotive manufacturers are preserved at several libraries: Mitchell Library, Glasgow (drawings from North British Locomotive) University Library 'Business Archives', Glasgow (also NBL) Museum of Science and Industry, Manchester (Beyer Peacock drawings) National Rail Museum, York In India, diagrams and other

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Locomotive – What other alternative fuels does IR use?
June 20, 2019

Compressed Natural Gas (CNG) is another fuel that IR has experimented with. Trials with a stationary diesel engine modified to use CNG were carried out at Shakurbasti station. More recently two diesel railcars have been modified to run on CNG. A DEMU rake (one diesel power coach and three trailer coaches) has been modified for CNG use and has

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

Bio-diesel 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

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What about other articulated locomotives?
June 20, 2019

Other than the Garratts mentioned above a few articulated locos were used in India. Perhaps the best known are the WCG-1 (EF/1) 1.5kV DC locos ('Crocodile') and the NDM-1 dual-engined diesel loco for the Neral-Matheran hill run. The bonnets of both these types of locos were able to swivel around. ये भी पढ़े - सरदार

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Were Garratts used in India?
June 20, 2019

Yes. Bengal Assam Railway had 2-6-2+2-6-2 Meter Gauge Garrats made by Beyer Peacock & Co. Manchester, the same maker of the earlier Garrats in Burma. A B/W picture of Garrats from Bengal Assam Railway appears on page 19 of Indian Locomotives, Part 2 (Meter Gauge) by Hugh Hughes. There were also a few 4-8-2+2-8-4 MG Garratts in use. One is

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