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RED’s asynchronous motors for 2TE35A diesel locomotives certified

17 June 2024
Reading time ~ 2 min
A425-430/0,5-6-UKhL1 (TAD430) traction motors
A425-430/0,5-6-UKhL1 (TAD430) traction motors. Source: Sinara Group
Belov Sergey, Editor-in-Chief, ROLLINGSTOCK Agency
Reading time ~ 2 min
Yashchenko Olga, Editorial Contributor to International Projects, ROLLINGSTOCK Agency

Russia: A425-430/0,5-6-UKhL1 (TAD430) traction motor has been granted the TR EAEU 001/2011 certificate over a five-year period and approved for serial production by Russian Electric Motors (RED), a subsidiary of Transneft.

Recently, RED’s asynchronous motors for electric locomotives have been also certified.

The motor was accepted last year. As noted by Sinara Group, RED suggested an alternative design, different from the one earlier certified by Elektrotyazhmash-Privod, one of the largest manufacturers of electrical power equipment in Russia. The new 430 kW motor has a rated energy conversion efficiency of 95% and a power factor of 0,86.

The TAD430 motor is designed for the new-generation mainline 2TE35A diesel locomotive. The first prototype vehicle is now assembled at Lyudinovo Diesel Locomotive Plant (part of Sinara–Transport Machines, STM). The locomotive with the Do-Do wheel arrangement is produced according to the technical requirements of Russian Railways (RZD), which is waiting for two vehicles to be produced this year. All in all, up to 200 such locomotives are to be delivered under the contract. Another batch of locomotives has been ordered by RZD for the Pacific Railway.

The 2TE35A locomotive with a capacity of 7,300 kW is designed to haul 7,100 t trains on mountain railway sections in eastern Russia. In the Russian mainline diesel locomotive market, this STM’s locomotive is going to compete with TMH’s counterparts, the 3TE28 locomotive certified for serial production and the 2TE30, which is now being developed.

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