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首页> 外文会议>International Conference for Students on Applied Engineering >Accurate heat loss evaluation of water-cooled electric motors using a differential ultrasonic calorimeter
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Accurate heat loss evaluation of water-cooled electric motors using a differential ultrasonic calorimeter

机译：使用差分超声波热量计的水冷电动机的准确蒸馏评估

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Measuring thermal losses of electric motors is important for their design, optimization, and correct pricing after manufacture. This measurement can be conducted by checking the temperature difference of the motor coolant (usually water) between the coolant inlet and outlet. High speed measurement facilitates testing various load scenarios and manufacture throughput; high measurement accuracy and resolution is required for drawing the correct conclusions on the efficiency of design alterations. Ultrasonic temperature sensors can quickly sense temperature with high resolution and accuracy across the entire ultrasonic pathway. However, conventional high resolution ultrasonic sensors are expensive. By contrast, oscillating ultrasonic temperature sensors can be implemented using mass produced transducers and electronic parts at a fraction of the price of conventional high resolution ultrasonic measurement equipment. The presented ongoing research focuses on the development of a differential ultrasonic oscillating temperature sensor for evaluation of power losses in electric motors. Computer simulations, electronic and firmware design, and experimental results are presented and discussed.
机译：测量电动机的热损失对于制造后的设计，优化和正确定价非常重要。通过检查冷却剂入口和出口之间的电动机冷却剂（通常是水）的温度差，可以进行该测量。高速测量有助于测试各种负载方案和制造吞吐量;绘制关于设计改变效率的正确结论需要高测量精度和分辨率。超声波温度传感器可以在整个超声波通道上快速感测温度，高分辨率和精度。然而，传统的高分辨率超声传感器是昂贵的。相比之下，振荡超声波温度传感器可以在传统的高分辨率超声波测量设备的价格的一小部分中使用批量生产的换能器和电子部件来实现。呈现的持续研究侧重于开发差动超声波振荡温度传感器，用于评估电动机的功率损耗。提出和讨论了计算机模拟，电子和固件设计和实验结果。

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