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发明授权
CN105471240B 用于选择在功率半导体中的断开过程的断开速度的方法 有权 转让

用于选择在功率半导体中的断开过程的断开速度的方法
摘要：
本发明涉及种用于在功率半导体中的断开过程的取决于温度地选择断开速度的方法,该功率半导体布置在变流器的直流电压中间电路上,其中,直流电压中间电路的直流电压被检测到并且与基准直流电压进行比较,功率半导体的温度,尤其是阻挡层的温度被检测到并且与基准温度比较并且,取决于比较的温度与比较的直流电压的组合可能性,从多个断开速度中找到断开速度的选择以及提供新测定的断开速度。此外,提出种用于执行该方法的计算单元以及种驱控装置,其设计用于利用计算单元执行该方法。同样提出了具有直流电压中间单路的变流器,其具有功率半导体、计算单元和驱控装置,以及种电动或者混动车辆,其具有能够由该变流器驱动的电动机。
摘要（英）：

The present invention relates to a method for selecting a shutdown speed on basis of temperature of a shutdown process in a power semiconductor arranged on a direct voltage intermediate circuit of a converter, wherein, the direct voltage of the direct voltage intermediate circuit is detected and compared with a reference direct voltage, temperature of the power semiconductor, in particular temperature of a barrier layer is detected and compared with reference temperature and, on basis of possibility of combination of the compared temperature and compared direct voltage, the shutdown speed is selected from a plurality of shutdown speeds and newly measured shutdown speed is provided. In addition, the present invention provides a calculation unit for executing the method and a driving/controlling apparatus designed to execute the method by using the calculation unit. Also provided is a coverter having a direct voltage intermediate circuit and having a power semiconductor, a calaculation unit and a driving/controlling apparatus, and an electric or hybrid vehicle having a motor that can be driven by the converter.

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