Method for evaluating throughflow characteristic of insulated water diversion pipes of generator stator winding
A technology of generator stator and flow characteristics, applied in the direction of machine/structural component testing, measuring devices, instruments, etc.
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[0026] A method for evaluating the flow characteristics of generator stator winding insulation water diversion pipes, which measures the outlet water temperature of each insulation water diversion pipe of the generator stator winding under different stator cooling water inlet temperatures, and calculates the average value and standard deviation value as an evaluation Characteristic parameters of flow characteristics of generator stator winding insulation water pipe.
[0027] Assuming that there is no blockage in the n insulating water pipes of the generator stator winding, the cooling water m entering the stator winding is evenly distributed to each insulated water pipe, and the amount of water distributed is m / n;
[0028] Set the temperature of the cold water inlet as T 1 , under the heat exchange, stabilize for a period of time, the outlet water temperature of each insulated water diversion pipe is T 11 , T 12 ,...,T 1n , the value difference is small, ignoring the measur...
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