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22 June, Tuesday

Ufa   °

A bus with hybrid engine is manufactured at Neftekamsk motor-car plant


The pre-production model of the city bus with the hybrid engine on KAMAZ chassis is issued by the motor-car plant from the town of Neftekamsk (Bashkiria). The engine represents the system, consisting of two engines – the electric engine and the traditional benzene one and depending on the work modes the engines can starts working either together or separately.

The specialists explain that the recuperation of electric energy occurs during the braking as a result of transformation of the mechanical energy into the electric one. The energy is accumulated in the “energy accumulation system”, located on the bus roof and consisting of 12 high-capacity condenser modules. Further the accumulated electric energy is again transformed into the mechanical one in the moment of acceleration and through the gear-box into the kinetic energy again, thus accelerating the bus without fuel.

The engineers say the condensers are able to accumulate the braking energy much more efficiently and faster that the traditional accumulators and this ability makes them the ideal “electricity repository” for the city buses. The special electronic unit keeps control over the bus energy system.

The head of NEFAZ press-service Vera Kharisova reports the hybrid bus, equipped with the super-condensers is much lighter than the bus with the accumulators and practically equal to the buses, working on the condensed natural gas, by weight. The bus salon is absolutely the same as the salons of the ordinary city buses but the engine compartment is slightly enlarged for installation of the additional equipment.

The main advantages of the hybrid buses are the following: the reduction of poisonous air emissions several times; fuel consumption drop by 25-30%, the capacity of the internal-combustion engine is 25-30% lower under preservation of all rolling characteristics; the rise of the bus comfort level (low noise and vibrations etc); the ecological Euro 4 standard.

Lubov Kolokolova author: Lubov Kolokolova
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