AC tubular motor for windows,tubular motor for curtain,35mm tubular motor

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Product Description:


The ideal tubular motor for automatic window and garage door, roller shutter and awning etc, with TUV, CE, ISO9001-2008 certificates, Low noise, efficient, energie saving, high Efficiency, long time life 



 Features of tubular motor: 
1) Voltage: 230V/50Hz 
2) Input power: 117W/ 215W 
3) Current: 0.49A /0.92A 
4) Speed: 12/16/25rpm 
5) Torque: 10/15/20/30/40/50N. M 
6) Working duration: ≥ 4min 
7) Insulation classification: B 
8) Protection classification: IP44 
9) Certification: CE, TUV, CCC, ISO9001-2008 ROHS, 

Outer packing: 
6pcs/carton with foam in it



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Q:The electric fan is a dc motor, or the ac motor is good, why?
Dc motors are generally small power, and the general power is communication. First of all, I want to correct a concept, no good questions, dc motor and ac motor is each have their own characteristics and purposes, there is no best motor, only the best manufacturers. That means that there's no better problem with dc motors and ac motors. Dc speed regulation is very convenient, as long as the voltage is changed, and the torque is not affected. Ac speed is more complicated and is known as a frequency changer. It is suggested that ac motor should be used, which is mainly used for ac motor, and dc motor needs a rectifier to work.
Q:The properties of single phase electromotive force of ac motor
The magnetic field generated from the electrotechnics, the three-phase alternating current (ac) is a rotating magnetic field, its speed n1 depends on current frequency f and rotating magnetic field of magnetic pole logarithmic p1, the relationship between them is: n1 = 60 f/p1
Q:Is the servo motor a dc motor or ac motor?
What is a step motor? A step motor is an actuator that converts electrical impulses into angular displacement. Popular point: when the stepper driver receives a pulse signal, it is driving a stepper motor according to set the direction of a fixed Angle (and the step Angle). You can control the amount of angular displacement by controlling the number of pulses, so that the target is accurate. At the same time, you can control the speed and acceleration of the motor by controlling the pulse frequency. There are three types of steps: permanent magnetic (PM), reactive (VR) and hybrid (HB). The permanent magnet step is generally two phases, the torque and volume are small, the step Angle is usually 7.5 degrees or 15 degrees. The reaction type step is generally three-phase, can realize the big torque output, the step Angle usually is 1.5 degrees, but the noise and vibration are very large. Developed countries such as the United States and Europe were eliminated in the 1980s. Hybrid step refers to the advantage of mixing permanent magnet and reactive type. It is divided into two phases and five phases: the Angle of two phases is 1.8 degrees and the Angle is 0.72 degrees. This step is the most widely used.
Q:Is it still a communication welder
Never put off till tomorrow what you can do now promotion of inverter dc welding machine and high recognition are very popular, and in recent years the development of the quality of welding inverter also promoted to a higher level, failure rate also fell dramatically; The welding performance of the inverter welder is much better than the ac welder, so its market share is higher (compared to the ac). And in other series of welders (e.g., argon welding, square wave alternating current, gas welder, plasma...) The reverse welder's share is higher
Q:Question about the general motors?
Naturally, it's alternating current and dc, so it's not positive, because the communication is positive and negative
Q:According to the power of motor, how to select the contactor and switch?
Must first determine the breaking current, the general low voltage bus bar breaking capacity above 500 kva transformer with 50 kA switches, small transformer low voltage busbar can use 12.5 kA and the breaking capacity of the switch. Secondly according to the current power calculation, and generally current = power/voltage/power factor, if the three-phase motor is divided by 1.732 (because of calculation is single-phase current), choose the rated current higher levels of switch and the contactor. Then select the corresponding tripping characteristics depending on the type of load switch (including tripping accessories), feeder switch will generally choose electromagnetic, should choose the thermomagnetic motor switch type, high perceptual load should choose high grade tripping characteristics of the switch.
Q:What is the control speed for ac servo motors?
By ac servo motor drives to work, of course, different types of servo motors have their rated speed, and speed control is achieved by the servo drive.
Q:Does ac motor control circuit have to be communicated?
You need a commutator The commutator is a dc permanent-magnet series motor that allows the motor to continuously rotate to the original component. Structure, commutator is several contact piece into circular, connect every tap on the rotor respectively, connecting two electrodes called brush contact with the outside, only contact two of them at the same time.
Q:What happens to the capacitance of ac motor
The answer to a The capacitance unit is uf If the capacity is constant, the pressure will decrease. If the pressure rating is not too large, it's fine. Capacitors are selected primarily for pressure and capacity, which is proportional to capacity and inversely proportional to the voltage level. There is an understanding of the problem you ask, and the capacitance in question refers to a capacitor which is large enough to be large. If this is the case, and on the basis of the voltage class capacity increase Capacitance is reduced. Big is not desirable But too much according to specific situation causes the damage of capacitor.
Q:Does ac motor use the upper hall sensor
There is little protection in domestic electric motors. Ordinary asynchronous induction ac motor does not require a general hall sensor. If you can monitor the speed of the motor, consider it.

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