The temperature rise of the brushless dc motor controller advantages and disadvantages

by:Hoprio     2020-07-19

1, the use of the two-dimensional thermal stress of permanent magnet brushless dc motor controller and thermal analysis, a way that not considering the radial change of the motor. 2, with the method of fluid-structure interaction for a rare earth permanent magnet brushless dc motor controller to carry out the thermal calculation, according to research the wind wing specifications to the harm of motor temperature rise, it is to choose the way vents to reduce temperature rise of the motor controller. 3, according to the magnetic field and thermal stress of the coupling, the three-dimensional magnetic field all over the loss of status as pyrogen assigned to heat stress in the measurement of temperature, heat meter solves the permanent magnet brushless dc motor controller in the whole process of wear around the problem, let the loss in closer to the specific, but ignore the loss in the concrete operation from the dangers of the temperature change. For rare earth permanent magnet brushless dc motor controller is calculated in the whole process of the temperature characteristics of the damage loss problem of raw materials, selection of the temperature rise of relativity should analyze method and then complete the rare earth motor controller of temperature measurement. 4, use traditional method, calculates various motor loss and converted into heat relative density, relative density of the heat load in the thermal stress to a relatively hot relative density, relative density of the heat load in the thermal stress to a relatively hot position, under this kind of mode is the original temperature measure wear, overlooked the raw materials on time dimension caused by temperature rise the switching characteristics of thermodynamics.
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