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The paper presents a study on the calculation of an electric supercharger to replace the exhaust turbine and increase the power of the UTD-20 engine by approximately 20%. The research is based on experimental data from the exhaust turbine of the original UTD-20 engine, combined with interpolation and simulation using GT-Power software to determine the parameters of the electric supercharging system. First, the paper analyzes the characteristics of the exhaust turbine, including airflow, pressure, and power. Next, principles for selecting a brushless DC motor (BLDC) are proposed to ensure sufficient intake airflow as required. The control model for the electric supercharger is developed based on the throttle position sensor and engine speed sensor, allowing the compressor speed to be adjusted according to the engine load. Simulations in GT-Power help evaluate the characteristics of the electric supercharging system when installed on the UTD-20 engine. The research results show that, with the selected electric supercharger design, the UTD-20 engine can achieve an increase in power and torque by up to 20% without significantly altering the engine structure.

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Research on Calculation of Electric Motor-Driven Supercharger to Increase Power for UTD-20 Engine

  • 会议论文

  • 发表日期：

    2026年

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  • Nguyen Huy Truong,
  • Nguyen Ngoc Doan,
  • Nguyen Van Tung,
  • Pham Cong Dinh

摘要

The paper presents a study on the calculation of an electric supercharger to replace the exhaust turbine and increase the power of the UTD-20 engine by approximately 20%. The research is based on experimental data from the exhaust turbine of the original UTD-20 engine, combined with interpolation and simulation using GT-Power software to determine the parameters of the electric supercharging system. First, the paper analyzes the characteristics of the exhaust turbine, including airflow, pressure, and power. Next, principles for selecting a brushless DC motor (BLDC) are proposed to ensure sufficient intake airflow as required. The control model for the electric supercharger is developed based on the throttle position sensor and engine speed sensor, allowing the compressor speed to be adjusted according to the engine load. Simulations in GT-Power help evaluate the characteristics of the electric supercharging system when installed on the UTD-20 engine. The research results show that, with the selected electric supercharger design, the UTD-20 engine can achieve an increase in power and torque by up to 20% without significantly altering the engine structure.