mercedes We talked about the technologies underlying the hybrid system of Formula 1 vehicles for the first time. It consists of an internal combustion engine, two electric motors, a battery and numerous power electronics.
An engine is placed inside the turbocharger and collects energy from the exhaust gases. It can also provide instant engine boost if the battery has enough energy. The system is called MGU-H and will be retired in 2026.
Another electric motor is also integrated into the transmission. It can transmit power directly to the rear wheels and harvest energy during braking. This component will be preserved even after the new rules come into force in 2026.
These systems work in conjunction with the power electronics and battery, as shown in the Mercedes video below. The battery pack itself consists of approximately 200 21700 type cells. These are housed in the same box as the inverters and power electronics. All this is cooled in the general circuit.
Mercedes’ title sponsor, Petronas, developed the coolant. It is dielectric, which means it does not cause a short circuit even if it enters the power electronics. This type of insulation and cooling fluids is widely used in hybrid and electric vehicles.
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