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6、断(硬关断)DESAT关断(软关断)0A800A2000A 2019 Copyright SUNGROW.Confidential 12 IGBT 关断 6065707580850510152025303540同一桥臂IGBT壳温温升趋势曲线IGBT-1IGBT-2IGBT-3IGBT-4IGBT-5IGBT-62019 Copyright SUNGROW.Confidential 2019 Copyright SUNGROW.Confidential 2019 Copyright SUNGROW.Confidential L1功能层L2功能监控层L3处理器监控层(关键信号合理性验证,转矩监控