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EnergoFront participates in modernization of the largest power station in Kazakhstan

20 Июля 2015
Under the project of modernization of energy unit № 1 at JSC “Ekibastuz GRES-1” in July 2015 JSC “EnergoFront” made a contract with its strategic partner JSC “Tyazhmash” to supply electric motors АДОУ-1250/600У3 produced by NPO “Elsib” JSC ( Novosibirsk) for the drive of hammer mills MMT 2600/2550/590К.This is the second supply of the equipment of this type to the station. Earlier, in November 2013 under modernization of unit №2, JSC “EnergoFront” supplied electric motors type АДО-1250/600 У3 for the drive of hammer mills  ММТ 2600/2550/600К.

New motors АДОУ-1250/600 У3 were properly redesigned acc/ to the requirements from the station.

To improve technical and operation characteristics of electric motor for the operation under heavy conditions NPO “Elsib” JSC suggested new solutions. New thrust bearing, new fan with direct impellers to operate in both directions, thermal conditions of bearing assemblies were improved via reduction of rotor weight and design of new casing of bearing assemblies with increased heat- eliminating surface.

Conductor section and characteristics of stator winding were changed. Length of active hardware was reduced; weight of motor with keeping of fitting dimensions was also changed. To protect electric motor from switching overvoltage high- voltage VFD RC- stabilizations were included into the supply.  

JSC “EnergoFront” could adduce reasons to the Customer in favor to the equipment made by NPO “Elsib” JSC. This victory again showed long-term profitable cooperation of JSC “EnergoFront”, JSC” Ekibastuz GRES-1” , and JSC “Tyazhmash”.

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