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FAQ

Will the asynchronous motor pole change the number of speed control can also be combined with the frequency converter
As you said the asynchronous motor after a very logarithmic change can be achieved on the speed of the "coarse tune", and then use the inverter is equivalent to add a "fine tune" device, but it seems a bit expensive, but to To see what you are on the occasion of the worthless.
380V 2 pole motor can use the inverter?
Of course, the stator winding can be connected with concentric While enameled wire to be better, preferably 180 degrees or 155, and even dedicated enameled wire
Do not the laptop directly connected to the power adapter?
2, due to the different configuration of the notebook, its power consumption also has a variety of specifications. Common for more than 60W, the configuration of some of the 90W, and the game adapter power in more than 120W, such as dual GTX1080 card crossfire Blue Star prototype, power consumption in more than 400W, the use of two 320W power adapter for its power supply;
Asus notebook power adapter how to open
Can only be forced to open the pants and other things wrapped around the line on the line suggested that do not casually demolition
What is the application of variable frequency speed control?
Frequency control speed ratio is relatively large, in other words, the speed is accurate, smooth speed. Widely used, the basic works can be used
In the official website to buy ThinkPad notebook, to the power adapter?
Hello, generally there will be a power adapter with Kazakhstan, unless there is a special note bare metal
Motor 2 pole and 4 pole in the inverter with what set to show
The inverter has a parameter that requires you to enter the number of motor poles, see the direct input of the number of poles
Three-phase asynchronous AC motor speed control method
Second, the frequency control method Frequency control is to change the frequency of the motor stator power supply, thus changing its synchronous speed control method. Frequency converter system can be divided into AC - DC - AC inverter and AC - AC inverter two categories, most of the current domestic use - cross - frequency converter. Its characteristics: High efficiency, no additional loss during the speed control process; Wide range of applications, can be used for cage type asynchronous motor; Speed ??range, the characteristics of hard, high precision; Complex technology, high cost, maintenance and repair difficult. This method is suitable for applications requiring high precision and better speed performance.