Abstract
Recently, the development of electric vehicles has become gradually attractive due to the growing concerns on the environmental protection and the forecasting shortage of fossil energy. Therefore, numerous scientists around the world have devoted to the research and development in this respect in the past. As a contrast to this development, electric scooters have become the main research effort in Taiwan because the important motorcycle market. In the design process, the parameters of performance cannot be arbitrarily changed nor be correctly predicted due to the lack of proper simulation tools. The objective of this thesis is to employ the S r simulation software for establishing a systematic simulation process to calculate the total performances of the electric scooters under the influences of pertinent parameters.In addition to the establishment of the systematic simulation process, the temperature rise of the switching devices on the driving circuits was also studied. Hence, the simulation of both the transient and steady temperature of IGBT was performed with given environmental conditions. By making use of the basic mechanistic templates of physical devices given by the Saber, the working temperature of the IGBT under various load conditions was simulated and certainly forecasted for design consideration. As a result, better system design with suitable safety and comfort situation could be satisfied.