| Summary: | 碩士 === 長庚大學 === 電機工程研究所 === 89 === Modern power electronic technology is a combination of microelectronics technology and power electronics technology. Different from traditional power electronics elements, new high-power elements such as Power MOSFET, IGT, IGBT are currently being greatly utilized in industries, especially IGBT. The advantage and disadvantage of high-power elements become the crucial points of electrical power quality. Thus, if IGBT tester can be designed, then it shall greatly facilitate power electronics practice. On the other hand, PWM signal which is an input often requires a greater transmitting distance hence the size of tester increases. In the circumstance of high-power driving, electrical current and electrical voltage, which result in a number of dV/dt and dI/dt, easily cause EMI. It is important that optical fiber is being utilized against EMI. In order for electric circuit to be more space conserving and to avoid instability, it is better to use FPGA to generate PWM signals than traditional analog systems. Hence, this thesis shall discuss the FPGA method which produces PWM signals to drive IGBT tester.
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