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Research on Key Problems of Test Technology of Intelligent Power Module

Author: GaoCuiYun
Tutor: LuChangHua
School: Hefei University of Technology
Course: Circuits and Systems
Keywords: Intelligent Power Module SPWM FPGA LABVIEW Harmonic
CLC: TN307
Type: Master's thesis
Year: 2005
Downloads: 230
Quote: 0
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Abstract


IPM (Intelligent Power Module) is a kind of advanced integrated device. Being high integrated, high reliable, high switch-speed, high-power and Intelligent, IPM is widely used in the inverter control circuits. As an important parts, IPM’s performance affects reliability and maintainability of inverter. Improper control can destroy IPM, so the research on test technology of IPM become one of the hotspots of electric and electronic technology. We researched key problems of test technology of IPM. In this dissertation, we put forward a method used to generate and analyze SPWM waves based on FPGA and LABVIEW.The main work and contributions of the dissertation are summarized as follows:Firstly, we researched device characteristics and control theory of IPM deeply, we researched the algorithm of SPWM wave which is ambipolar and aimed at center.Secondly, we researched the signal source of IPM mainly. A method was put forward used to generate and analyze SPWM waves based on FPGA and LABVIEW. Six channel SPWM signals of three phase were generated through FPGA, which harmonics were analyzed through LABVIEW software. With this method, we can evaluate easily different modes of SPWM. The method is high efficiency and shortcut for scientific researchers.Thirdly, we designed the blue print of test system, we designed test system frame based on GPIB bus, we also discussed high-speed data processing on switching test specially.Finally, we discussed testability design for IPM. In this dissertation, we put forward a method that detecting acceleration of voltage and current’s movement, pre-protecting faults by state-machine.

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CLC: > Industrial Technology > Radio electronics, telecommunications technology > Semiconductor technology > General issues > Measurement and inspection
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