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一台飞利浦CXQ型CT经常出现X线主电路逆变部分的IGBT烧坏的故障,影响了正常使用。下图是此机X线主回路的示意图。分析X线主电路的工作原理后,认为逆变系统IGBT烧坏的故障,影响了正常使用。
A Philips CXQ CT often appear X-ray main circuit inverter IGBT burnout failure, affecting the normal use. The figure below is the schematic diagram of this machine X-ray main circuit. After analyzing the working principle of the X-ray main circuit, it is considered that the failure of the inverter system IGBT burned out affects the normal use.