![]() We fundamentally want the car to drive as much as possible without using the engine, so we had the car run on only the drive battery when normal acceleration is applied. It became imperative to develop a controller that could comprehensively control the engine, motors, and battery. Looking back on that time, Kazunori Handa reflects: The development of a PHEV drive system was a challenge unlike anything before in the automotive industry. It also requires a system for appropriate power charging according to remaining battery. ![]() In other words, when the driver steps on the accelerator, the car has to decide instantaneously whether to supply power from the battery or to supply power generated by the engine. The challenge that arose during development was figuring out how to have the car make the decisions to switch between these modes. The car automatically switches between these three modes, with EV Mode usable for most normal driving situations, Series Hybrid Mode in higher power consumption scenarios such as hill climbing and acceleration, and Parallel Hybrid Mode when driving continuously at high speeds. In EV Mode, only the electric motors are used to power the vehicle in Series Hybrid Mode, the engine is used to generate power that is stored in the battery and utilized to power the electric motors and in Parallel Hybrid Mode, the vehicle is powered mainly by the engine with assistance from the electric motors. Mitsubishi Motors' PHEVs also feature three different drive modes. The engine can also serve as the power source when driving at high speeds. In situations which require more power such as quick acceleration or hill climbing, electricity is generated by the engine in addition to the battery in order to supply electricity to the motors. If the electricity charged in the battery runs low, PHEVs start the engine which then recharges the battery. PHEVs are vastly different from battery EVs in that they are equipped with engines. Part 2 is "PHEV: The Ultimate Technology."ĮV and Powertrain Advanced Engineering Development Department How did the development team eventually arrive at the PHEV? Together with Kazunori Handa, a member of the EV and Powertrain Advanced Engineering Development Department and the development team of EVs at Mitsubishi Motors since 1994, this series looks back on the development of the PHEV. When originally released in 2013, it established the new category of a PHEV crossed with an SUV, which was unlike anything before in the automotive world. Today, the plug-in hybrid electric vehicle (PHEV) model of the Outlander has become the flagship model of Mitsubishi Motors.
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