Before we talk about the speed control motor, let's first understand the role of the MAP map.
What is the MAP map?
The MAP map in the motor is a kind of data graph generated during the motor test. It mainly reflects the motor efficiency distribution under different speed and torque. In general, it is the efficiency map, which is similar to the common contour in our geography class. line graph. Connect the points with the same efficiency into a loop and project directly to the plane to form a horizontal curve. The loops with different efficiency will not coincide. Where the efficiency values ​​are close, the line will be relatively dense; on the contrary, where the efficiency values ​​differ greatly, the line spacing will be larger.
Generally speaking, MAP uses MATLAB software to draw the test points into the computer, and uses the rotational speed torque as the coordinate axis to count the efficiency values ​​according to the rules. The map also has color differences according to the efficiency values, so Also known as the color temperature cloud map.
What is the effect of the efficiency cloud map on the speed control motor?
The speed regulating motor is a kind of motor that changes the speed of the motor by changing the number of stages, voltage, current, frequency, etc. of the motor, so that the electric energy can reach a high performance. The metal cutting machine, the rolling mill, and the metal cutting machine Heavy equipment, elevators, pumps, fans, etc. have applications.
From the application of the speed regulating motor, its main function is to achieve a higher utilization efficiency of electric energy. In other words, it should work at the maximum efficiency point. However, the size of the production machinery load to be dragged is different, and the maximum working efficiency point of the speed regulating motor will also be different. At this time, it can be set according to the MAP map of the motor test by adjusting which kind of speed torque value is appropriate. .
Therefore, in ensuring the requirements of modern process and improving product output and quality, MAP map is one of the best auxiliary data for speed control motors. Only by properly selecting and using the speed control equipment can the efficiency of the drive equipment be maximized to achieve energy saving and high efficiency.
At present, in addition to the user's use of MATLAB processing according to the data, the MAP map has a unique embodiment on the test system. This MAP map is more intuitive than MATLAB drawing, reflecting the cutting-edge requirements of international testing.
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