Bosch has launched its new SMG 230 electric motor, designed to enhance the electrification of larger boats and ships. This innovative motor operates at system voltages ranging from 400 to 800 volts, delivering a continuous output of up to 200 kilowatts. It is particularly suited for vessels with a displacement of 20 to 30 tonnes, making it a significant advancement for marine electric propulsion.
Power and Torque: The SMG 230 electric motor produces around 250 Newton metres of torque, providing robust performance for a variety of marine applications.
High Power Density: The adoption of 800-volt technology has significantly increased the power density of the motor, allowing for more efficient operation and better performance.
Advanced Inverter Technology: The integrated inverter uses silicon carbide semiconductors, capable of handling electrical voltages up to 800 volts. Bosch claims an impressive efficiency of over 99%, ensuring minimal energy loss during operation.
Philipp Kurek, who oversees the Off-Highway and Marine division at Bosch Engineering, emphasized the versatility of the SMG 230. He stated, “With the latest generation of our electric motor and inverter with silicon carbide power modules, we offer a complete system that allows not only recreational boats but also larger sailing yachts and working boats to be operated with an efficient, quiet, yet very powerful electric drive.”
Bosch has been advancing its EDSP marine drive platform, which facilitates the electrification of boat drives. Alongside the SMG 230, Bosch offers two smaller electric motors: the SMG 180 with a 90 kW output and the SMG 220 with a 140 kW output. Both models are suitable not only for marine applications but also for off-highway vehicles.
One notable collaboration involves the Swedish electric boat manufacturer X Shore, which is currently utilizing Bosch’s electric boat motors. Together, they are working on enhancing the electric drive systems for their boats, demonstrating Bosch’s commitment to supporting the marine industry in transitioning to electric propulsion.
The introduction of the SMG 230 electric motor marks a significant step forward in the electrification of marine vessels. With its high efficiency, power density, and versatility, Bosch is positioning itself as a key player in the growing market for electric marine propulsion systems. As the industry shifts toward more sustainable solutions, innovations like the SMG 230 will likely play a crucial role in the future of boating.
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