Tubular motor for roller shutter Accessary Crown

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500 set
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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 


CE, TUV, RoHS, CCC, ISO9001 certificated, 
Safety, Energy saving, High efficiency, Long life time, 
Low noise, Low temperature increasing, Low maintenance cost. 


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 alternating current is constantly changing, and how is the ac motor going to be controlled?
Ac motor direction of rotation is not determined by the alternating current (ac) plus or minus half cycle of direction, but by the alternating current (ac) through a certain way of dealing with the rotating magnetic field generated by acting on the rotor, just like you with a permanent magnet circle around the compass makes a compass as the principle of spin the rotor rotation, its rotation direction depending on the direction of the rotating magnetic field.
Q:Is there a sensor in the electric forklift motor?
Although brushless, but a lot more than dc motor to a sensor, the sensor in the installation of the motor oil on inner and outer two kinds, the built-in sensor once broken it must be replaced a new motor, but most people don't know this feature. When the sensor is broken, the motor will not be able to add speed, the motor will be slow to crawl, or it will stop automatically after a few seconds or so. When this failure occurs, it is thought to be an accelerator or an electric control problem, and the sensor has been damaged. Above, for reference only
Q:What is the regulation method of ac motor? What are the different features
Frequency changer: stable, adjustable speed according to need, which is the development direction of future ac motor. (FM) 2, star, delta transform, generally in large motor start with star, triangle operation, reduce the starting current. In addition, it is a two-speed, three-speed motor, which increases the winding, which mainly changes the order of the stator winding to change the speed. The change in rotational speed has two factors: the magnetic poles and the frequencies
Q:Who knows the main difference between dc motor and ac motor
The two point poles 1 and 2 dc motors are forever 1 is positive and 2 is negative and the ac motor is a very shallow sign of positive and negative points
Q:Can a converter drive a normal three-phase ac motor?
It is. For example, the motor is working in low-frequency areas, and the motor may be damaged by heat dissipation. If the motor is working in the medium-high frequency area, the ordinary motor can also use the frequency converter. Also, it is the insulation problem of ordinary electric motor, the proposal is to install output reactor. Of course, it's not necessary.
Q:Three phase ac synchronous motor is different from three-phase ac asynchronous motor
Asynchronous motor stator into alternating current (ac), is to produce a rotating magnetic field, and the rotor magnetic fields generated by induction, so that the two magnetic field effect, make the rotor turns with the stator's rotating magnetic field. The rotor is slower than the stator rotating magnetic field, a slip, sync so called asynchronous machine. The rotor of synchronous motor is made by adding direct current to the same magnetic field, so that the rotor will follow the stator rotating field to synchronize with the other.
Q:The power is between 100w and 150W, dc motor is good, or ac motor is good, why?
Dc motor torque, speed adjustment is convenient, but the large amount of maintenance, need to communicate direct current motor torque is small, relatively speed inconvenience, but along with frequency inverter speed control, maintenance of small, easy to use
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:Single phase synchronous alternator working principle
Without dc voltage on the brush, constant speed by prime mover drag the armature to counterclockwise rotation, on both sides of the coil is cutting lines of magnetic force under different magnetic polarity, respectively, in which the induction electromotive force, electromotive force direction determined by the right-hand rule. This electromagnetic situation is shown on the graph. Due to the armature rotate continuously, and, therefore, must take the current carrying conductor in magnetic field from the coil side ab and CD alternately cutting lines under the N pole and S pole, although each side of coil and the coil in the direction of induction electromotive force is alternating. Induction electromotive force in the coil is A kind of alternating electromotive force, and in the brush. A, B side electromotive force for dc electromotive force (some say exactly, is A kind of direction invariable pulse vibration electromotive force). Because, the armature in the rotation process, no matter the armature turn to what position, due to the effect of the reversing of the commutator with brush, brush A by commutator segment of electromotive force always is the cutting edge of electromotive force by the coil in N pole magnetic field lines, therefore, brush A always have A positive polarity. In the same way, the brush B has always negative polarity, so the brush can lead to the same change in the direction of the pulse. If the number of coils per pole increases, the pulse vibration decreases, and the dc electromotive force can be obtained. That's how the dc generator works. It also shows that the zidc generator is essentially an ac generator with a commutator.
Q:What is the electrical Angle in the motor? What does it have to do with mechanical angles
For polar motor, the stator inner circle of power Angle and the mechanical Angle is equal to 360 °; And p on the pole motor, the stator inner circle electric all Angle is 360 ° p, but still mechanical Angle is 360 °. So there is a relationship between the two: Electrical Angle = mechanical Angle times logarithmic

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