Inspection of Defects in an Automotive Inverter Component with X-Ray Inspection System

User Benefits

- The internal structure of inverter components can be visualized and inspected in a short time without disassembly by fluoroscopic imaging. - The overlapping structure of components can be visualized individually by CT imaging. - It is useful for quality control and improvement of products by observing in detail the location and shape of internal defects.

Introduction

An inverter is an important component in an electric vehicle and is responsible for converting the DC power of the battery into AC power to drive the motor. By creating alternating current of any frequency, fine control of the motor output is possible, so the design and performance of the inverter will affect the electrical power consumption and power performance of the vehicle. To improve electrical power consumption and power performance, inverters are required to be able to conduct large current with as little loss as possible, but the greater the current flowing through the electronic components in the inverter, the greater the risk of failure due to heat generation. Therefore, it is important to consider designs that reduce heat generation as well as to inspect components for defects that lead to heat generation. In this paper, nondestructive observation of the inside of an inverter component (IGBT module) using the Xslicer SMX-6010 microfocus X-ray inspection system is introduced.

March 28, 2023 GMT