MEMU explained

MEMU
Owner:Indian Railways
Area Served:India
Transit Type:Regional rail/Commuter rail
Began Operation:1995
Operator:Indian Railways
Marks:IR
Train Length:12 coaches
Track Gauge: broad gauge
El:25 kV AC Overhead line
Top Speed:110km/h

In Indian Railways, A MEMU is an electric multiple unit (EMU) train that serves short and medium-distance routes in India, as compared to normal EMU trains that connect urban and suburban areas. The acronym stands for Mainline Electric Multiple Unit.[1]

History

Indian Railways (IR) started MEMU service on Asansol – Adra section on 15 July 1995 and on Kharagpur – Tata section on 22 July 1995. Delhi-Panipat MEMU service started on 27 September 1995. Raipur–Durg–Bhatapara–Raipur–Bilaspur MEMU service started on 17 October 1995. Arakkonam-Jolarpettai MEMU service on 22 May 2000. Bankura-Midnapore MEMU started on 30 June 2000. The first 20 coach MEMU ran between Surat to Virar in 2017. Since 2019, 3-phase MEMUs have started replacing existing MEMU rakes.[2]

IR is progressively replacing all locomotive-hauled slow and fast passenger and intercity trains with EMUs. The upgraded trains are re-branded as MEMUs.

Operation

The system uses multiple electrical units[3] [4] operating on 25 kV AC drawn from overhead lines. The trailer coaches have two toilets for passengers and one for the crew.

The train can run up to 200km (100miles) between Eastern Ghat and Western Ghat. The rakes have a maximum permitted speed of 105km/h on broad-gauge tracks. The motorcoaches use DC traction motors. These rakes use asynchronous traction motors and have a maximum designed speed of 110 km/h. These use a stainless steel body. Two of them operate on South Central Railways.

ICF launched new MEMUs capable to operate at 110–130 km/h. The construction cost is 26 crore per unit and can carry 2,618 passengers. This train has a three phase traction motor and operates on 25 kV current which saves 35% energy. It offers GPS-based passenger information systems and announcement in coaches. It has double leaf sliding doors, gangways, CCTV cameras and aluminium luggage racks. The driver's cabin has AC and the coach has an emergency communication facility. It is designed to operate between cities 200km-300kmkm (100miles-200mileskm) away in Uttar Pradesh. The train may start in February 2019.[5]

Manufacturing

MEMUs are manufactured at Rail Coach Factory, Kapurthala, and Integral Coach Factory, Chennai. Rakes are maintained in the Titlagarh coach maintenance shops.Marathwada Rail Coach Factory, Latur is currently trying to ramp up production capacity of 250 MEMU coaches per annum.

Third generation

New 3rd generation was rolled out from RCF Kapurthala with following features:

  1. Ethernet-based Train Control Management System which provides advanced control features
  2. designed for speeds of up to 110 kmph
  3. Energy efficient LED lights have been provided with 50 percent emergency lights in each coach
  4. train is equipped with the latest GPS-based public address and passenger information system in each coach to facilitate passengers with respect to railway stations enroute
  5. train is equipped with 3-phase IGBT-based converter and inverter designed and developed by BHEL
  6. train also features a technologically advanced regenerative braking system.

Services

Diesel Electric Multiple Units (DEMU)

ServiceLocaleDistanceAverage speedTravel timeStopsFrequency
Ambala–Amb AndauraHaryana and Himachal Pradesh06h 10m22Twice a day[6]
Amritsar–AttariPunjab00h 45m13Daily[7]
Ara–SasaramBihar03h 30m26Daily[8]
Banihal–Baramula DEMUJammu and Kashmir02h 35m12Daily[9]
Indore–Dr. Ambedkar NagarMadhya Pradesh0h 55m12Daily[10]
Indore–RatlamMadhya Pradesh02h 40m13Daily[11]
Jalandhar City–AmritsarPunjab01h 50m13Daily[12]
Mahesana–Abu Road DEMUGujarat and Rajasthan00h 55m15Daily[13]
Nizamabad–KachegudaTelangana04h 10m12Thrice a day[14]
Raichur–Gadwal–KachegudaKarnataka and Telangana01h 00m8Daily[15]
Rajgir–BakhtiyarpurBihar02h 25m5Daily[16]
Ratlam–Laxmibai NagarMadhya Pradesh02h 45m14Daily[17]
Rohtak–RewariHaryana02h 00m13Daily[18]
Sabarmati–MahesanaGujarat01h 20m7Daily[19]
Sabarmati–PatanGujarat02h 35m7Daily[20]
Vasai Road–DivaMaharashtra00h 52m5Daily[21]

Electric Multiple Units (EMU)

ServiceLocaleDistanceAverage speedTravel timeStopsFrequency
Chennai–TirupatiAndhra Pradesh and Tamil Nadu04h 00m25Daily[22]
Dahod–RatlamGujarat and Madhya Pradesh03h 05m12Daily[23]
Falaknuma–BhuvanagiriTelangana01h 50m15Daily[24]
Panvel–Dahanu Road MEMUMaharashtra03h 25m19Daily[25]
Panvel–Vasai RoadMaharashtra01h 35m10Daily[26]
Rajgir–DanapurBihar04h 35m21Daily[27]
Sealdah–Berhampore CourtWest Bengal04h 15m23Daily[28]
Ujjain–NagdaMadhya Pradesh01h 25m6Daily[29]
Virar–BharuchGujarat and maharashtra06h 45m39Daily[30]
Whitefield–KSR Bengaluru CityKarnataka00h 40m12Daily[31]

See also

External links

Notes and References

  1. Web site: TTI. MEMU Trains in India. 2021-02-08. Total Train Info.
  2. News: 3-phase MEMU to replace conventional DC rakes soon . The Hindu . 3 October 2019 .
  3. News: SCR starts 2 Memu trains. https://web.archive.org/web/20130601035824/http://articles.timesofindia.indiatimes.com/2011-07-20/hyderabad/29794082_1_passenger-train-memu-train-services. dead. June 1, 2013. July 20, 2011. The Times of India. December 10, 2011.
  4. News: Corporation adamant on saving MEMU dream. https://web.archive.org/web/20130318051612/http://ibnlive.in.com/news/corporation-adamant-on-saving-memu-dream/210268-60-122.html. dead. March 18, 2013. Express News Service. December 9, 2011. CNN-IBM. December 10, 2011.
  5. https://www.financialexpress.com/infrastructure/railways/new-train-18-like-memu-for-north-india-indian-railways-rolls-out-130-kmph-train-for-short-distance-travel/1419415/ New Train 18-like MEMU for North India! Indian Railways rolls out 130 kmph train for short-distance travel
  6. Web site: 10 trains including Shatabdi to remain off-tracks on oct 5. 1 September 2019. Dailypost.
  7. Web site: Punjab Chief Minister to Hold Talks With Protesting Farmers. NDTV. Press Trust of India. 12 October 2015.
  8. Web site: आरा-सासाराम के लिए दो नई पैसेंजर ट्रेन आज से - . 2024-02-01 . Jagran . hi.
  9. Shri Suresh Prabhu Flags Off Andaman Express Through Remote Control From Jammu Tawi to Shri Mata Vaishno Devi Katra . Press Information Bureau, Government of India. 4 September 2015. Ministry of Railways.
  10. Web site: WR declare closure of Fatehabad-Indore & Fatehabad-Ujjain MG Section for GC works. 24 February 2014. RailNews.
  11. Web site: All DEMU train will go to Indore from June 14. Freepress Journal. 18 March 2016. https://web.archive.org/web/20160529170430/http://www.freepressjournal.in/all-demu-train-will-go-to-indore-from-june-14. 29 May 2016.
  12. Web site: Didn't see, feel anything amiss during mishap near Amritsar, say passengers on same train. Indian Express. 25 October 2018.
  13. Web site: Shah . Jay . 79437/Mahesana - Abu Road DEMU - Mahesana to Abu Road WR/Western Zone - Railway Enquiry . 2024-02-01 . indiarailinfo.com.
  14. Web site: NZB/Nizamabad to KCG/Hyderabad Kacheguda: 23 Trains . India Rail Info . 2015-10-10.
  15. News: 2013-10-13 . Raichur-Kacheguda railway line inaugurated by minister . 2024-02-01 . The Times of India . 0971-8257.
  16. Web site: 73253/Rajgir–Bakhtiyarpur DEMU . India Rail Info . 11 February 2020.
  17. Web site: Indore Ratlam DEMU to start today. 2 October 2015. The Free Press Journal. F P News Service. dead. https://web.archive.org/web/20160529192348/http://www.freepressjournal.in/indore-ratlam-demu-to-start-today. 29 May 2016. dmy-all.
  18. Web site: India's first CNG train for the Rewari-Rohtak section - India's first CNG train . 2024-02-01 . The Economic Times.
  19. Web site: Demand For Train And Rail Facilities In Jalore-Sirohi Is Impractical – जालोर-सिरोही में रेलगाड़ी और रेल सुविधाओं की मांग ‘अव्यावहारिक’ | Patrika News. patrika.com. 1 April 2020.
  20. Web site: Himansh . 09369/Sabarmati - Patan DEMU Special - Sabarmati BG to Patan WR/Western Zone - Railway Enquiry . 2024-02-01 . indiarailinfo.com.
  21. Web site: Several new trains proposed in Railway Budget. The Times of India. 2017-09-04.
  22. News: Rail Budget 2013: Andhra Pradesh to get 8 express trains, 4 new lines. https://web.archive.org/web/20130302035341/http://articles.timesofindia.indiatimes.com/2013-02-27/rail-budget/37329703_1_purna-parli-vaijnath-nizamabad-lokmanya-tilak-dhone-gooty. dead. 2 March 2013. The Times of India. 27 February 2013.
  23. Web site: 2017-07-12 . मेमू का बे्रक फेल, रेड सिग्नल क्रॉस - . 2024-02-01 . Nai Dunia . hi.
  24. News: Meagre allocation for projects in Telangana. 30 October 2016. The New Indian Express. 27 February 2013.
  25. Web site: Vasai-Panvel track nod by September end | mumbai news. Hindustan Times. 2017-09-05.
  26. News: 2011-02-25 . Several new trains proposed in Railway Budget . 2024-02-01 . The Times of India . 0971-8257.
  27. Web site: Anand . Siddharth . 63339/Rajgir - Danapur MEMU - Rajgir to Danapur ECR/East Central Zone - Railway Enquiry . 2024-02-01 . indiarailinfo.com.
  28. Web site: PATRANABIS . SREERUP . 63105/Sealdah - Lalgola MEMU - Sealdah to Berhampore Court ER/Eastern Zone - Railway Enquiry . 2024-02-01 . indiarailinfo.com.
  29. Web site: Jayashree . 69185/Nagda - Ujjain MEMU - Nagda to Ujjain WR/Western Zone - Railway Enquiry . 2024-02-01 . indiarailinfo.com.
  30. Web site: 19102/Bharuch–Virar MEMU. India Rail Info.
  31. Web site: M . Yash . 66541/Whitefield - KSR Bengaluru MEMU - Whitefield to Bangalore SWR/South Western Zone - Railway Enquiry . 2024-02-01 . indiarailinfo.com.

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