Kerala

3-phase MEMU introduced in State

Maiden service on Kollam-Ernakulam stretch

Railways have rolled out three-phase MEMU (Mainline Electric Multiple Unit) trains in the State. The eight-coach rake has higher acceleration and deceleration and a host of passenger-friendly features. These are expected to replace passenger trains.

The maiden service was held on the Kollam-Ernakulam stretch on Tuesday. From Wednesday, the rake will be used for regular service in the Ernkulam-Alappuzha section.

“The rake will run in the Ernakulam-Alappuzha section. The passenger train that is to be replaced with the new rake will be decided in a day or two,” Divisional Railway Manager Shirish Kumar Sinha told The Hindu here.

Bipolar transistor

Manufactured by the Integral Coach Factory (ICF), Chennai, the coaches are fabricated with stainless steel body and have a higher hauling capacity.

The rake is highly advantageous for Railways as it propels with the three-phase AC propulsion system consisting of insulated-gate bipolar transistor and facilitates improved acceleration and braking.

Ergonomically designed seats, with air bellows for secondary suspension for comfort riding, bio-toilets, CCTV surveillance system, LED lights, LED indication when a chain is pulled, and a GPS-based passenger information system are provided in all the coaches. The units have a facility to carry 2,402 passengers, including 614 seats.

The energy-efficient electric traction propulsion system supported by regenerative braking can save up to 35% energy compared to conventional MEMUs. The electricity generated in this process would be fed into the grid. The energy-efficient units require less maintenance.

A touch screen Driver Display Unit is provided to give information to support motorman in operating the rake while normal operation is also possible. Intercom and PA system are provided in the rake.

Awaiting 12-car rake

The State is now looking forward to the three-phase 12-car rake promised by the Railway Board to the Thiruvananthapuram railway division.

“We are awaiting the-12 car rake from the Southern Railway headquarters in Chennai,” the Divisional Railway Manager added.

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Printable version | Mar 28, 2020 6:02:24 PM | https://www.thehindu.com/news/national/kerala/3-phase-memu-introduced-in-state/article29325773.ece

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