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In order to solve the cooling problem of the large electrical machine under special situation, the staff of IEECAS brought forward new coolant and cooling structure for spraying evaporative cooling system based on experiences of evaporative cooling electrical machine for many years. The article discusses detailed the key problems include systems structure, theory calculation and experiment. By the...
A heat transfer calculation approach of spraying evaporative cooling is presented according to its characters using in large electrical machine. Based on the parameters of coolant, fluid and surface structure the calculation approach is confirmed, and gain the relationship between convective heat transfer coefficient and heat flux. Experiment model of spraying evaporative cooling electrical machine...
This paper presents a wireless rotor temperature measurement system based on MSP430 monolithic processor and nRF401 wireless communication module. Hardware structure, function of main devices and software design are also introduced. Service condition indicates that this system is simple and easy-to-use and the temperature signal is stable and reliable. When temperature measurement of 10 points above...
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