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Temperature abnormality detection method for power conversion device and temperature abnormality detection device for power conversion device
Temperature abnormality detection method for power conversion device and temperature abnormality detection device for power conversion device
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机译:功率转换装置的温度异常检测方法及功率转换装置的温度异常检测装置
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摘要
A temperature abnormality detection method is provide for a power conversion device which includes calculating a temperature difference between a first inverter temperature and a cooling water temperature, and then determining a temperature abnormality exists when a first abnormality determination condition is satisfied, i.e., when the temperature difference exceeds a preset difference threshold and the first inverter temperature exceeds a preset power conversion unit threshold temperature.
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