Modular e-drive kit slashes development time

September 07, 2021 // By Christoph Hammerschmidt
Modular e-drive kit slahes development time
With its "Modular eDrive Kit", presented at the IAA Mobility in Munich, ZF wants to meet the increasing demand for purely electrically driven vehicles. The kit is designed to help engineers reduce the development time for new e-drives by up to 50 %. The eConnect solution, which is also ready for series production, additionally saves energy and enables optional all-wheel drive.

The eDrive Kit bundles ZF's offerings for system solutions, components and software controls in a flexible and modular platform. A key advantage of the consistent modular approach is shorter development times. ZF promises that products can be brought to market up to 50 percent faster.

The Modular eDrive Kit is suitable for different vehicle segments: configurations with e-machines from 75 to 400 kW output and from 350 to 540 Nm torque are possible, and can be designed for maximum performance and efficiency. For example, the kit can cover everything from compact cars, with a 100 kW drive and 400 V inverter, to the premium segment, with a 200 kW and 800 V inverter based on silicon carbide, and thus offers the greatest possible spread - depending on whether the focus is on cost efficiency or technological leadership. Because the system design, construction, software, electric motor concept, cooling and some components are developed across platforms, synergy effects and a higher degree of maturity are achieved right from the start. The basic package is based on proven ZF series technology and can be quickly supplemented or exchanged depending on specific customer requirements.

The Modular eDrive Kit comprises three power classes as well as the "Premium" (800V SiC) and "Basic" (400V) segments. Three e-drives, whose experience is incorporated into the Modular eDrive Kit, are about to go into series production: a "Low" drive solution below 100 kW, a "Mid" drive solution up to 200 kW - both based on ASM or PSM machines and an inverter with 400-volt technology - as well as a "High" solution with an output of over 200 kW, which will go into series production in the second half of 2022 and combines a PSM machine with a silicon carbide-based inverter on 800-volt technology.

The energy efficiency of the Modular eDrive Kit can be increased by a further module: ZF eConnect is a flexible solution for all-wheel drive vehicles.

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