Kohler showcases K-HEM hybrid generation unit

First published in bauma Preview - March 22, 2019

Kohler hybrid unit

Kohler is presenting its hybrid electrical and mechanical power generation unit which is compliant with Stage V standards and without DPF.

Called K-HEM (Kohler Hybrid Energy Module), the unit generates power using a KDW 1003 18-kW diesel engine and a 48-volt electric engine which offers 15kW of peak power and 9kW of continuous power.

The combined unit is expected to offer more than 30kW without the need for exhaust-gas aftertreatment systems. It can also operate as a generator for energy accumulation systems.

The dual function of the electric component works as a generator and auxiliary engine; allowing users to recover energy from the transmission system during the machine’s braking and exhaust phases and from the combustion engine during phases with low energy demands. The energy stored in the battery will be available when the machine requires more than the threshold of 18 thermal kW of installed power to help create savings of emissions, consumption and installed thermal power.

Both the hydraulic or electrical systems can manage each actuator depending on specific requirements and controlled by the master unit.

The hybrid unit can be integrated into a hydraulic system or a mechanical transmission to help ease installation.