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Kia is preparing a soft hybrid system based on the diesel engine

The new diesel-electric power plant will be called EcoDynamics + and will go into production this year.

The premiere of the new soft hybrid power plant, powered by a 48-volt battery, will take place in the second half of 2018. The first model of the Kia, which will receive such a system, will be the Sportage crossover, and in 2019 a new power plant will begin to equip the third-generation Ceed.

With the help of soft hybrid EcoDynamics + company Kia will be able to reduce emissions of harmful substances of diesel engines. The system will employ the technology of active emission control based on a selective catalytic converter (SCR), with which the amount of CO2 emissions can be reduced to 4% according to WLTP rules and up to 7% by NEDC.

The soft hybrid system includes: a 48-volt lithium-ion battery with a capacity of 0.46 kWh and a new MHSG starter generator (Mild-Hybrid Starter-Generator). For inconspicuous switching of the modes motor-generator under the control of electronics, an inverter is used. The electromotor is aggregated with a crankshaft of a diesel engine by a belt transmission, giving up to 10 kW of electric power at dispersal in a mode “motor”, facilitating work of the main motor and, accordingly, reducing a level of emissions of harmful substances. During braking with the engine / brake system, the “generator” mode is activated, in which the battery is recharged from the kinetic energy of the vehicle.

The available energy can be used to stop and start the engine while driving. If there is a sufficient level of charge, the internal combustion engine automatically starts to work when the engine brakes / deceleration by the braking system. If the driver presses the accelerator pedal, the MHSG quietly starts the engine.

The lithium-ion battery will be placed under the floor of the luggage compartment with “least influence on capacity”. For the interaction of the vehicle’s on-board electrical system and the 48-volt battery, a DC-DC converter is used, so the 12-volt battery supplying the auxiliary electrical systems has been significantly reduced. The use of the motor-generator also allowed to reduce the power of the traditional engine starter, using it only for “cold starts” at low temperatures.

The new “soft” hybrid system is compatible with mechanical and automatic transmissions, with front, rear and four-wheel drive. In the future, an adaptation will be made for use with gasoline internal combustion engines.

The debut of the new hybrid system is likely to take place on the restyling Kia Sportage.

Novelties, hybrid, hybrid installation, hybrid cars, hybrid engines, Korean cars, Cee’d, KIA, Sportage

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