YTSR(RCS) Woundrotor three-phase asynchronous motor for tower crane

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This serial products consist of wound rotor three-phase asynchronous motor,centrifugal fan and break-type electromagnetic brake. The
rmistors are embeded in stator winding
The motor brake is connected with shaft by spline. It is equipped with manual release device,which relieves the brake in the case of power
failure, so that it is easy to install and commission the motor or set down the heavy objects in the condition of failure
This type motor rotors are specially designed. Referencing the French technology, the shaft ends are closed by new-type hermetically
sealed construction, and the vriginative electromagnetic brake extends the life of motor airtight. When throwback is activated, the mechanical
and current impacts are smail,and also the vabration and noise are small. The comprehensive performance of this serial motors is greatly
enhanced
This type motors can be used to substitute those imported from France.

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Q:Is the permanent magnet motor a direct current motor or an AC motor?
Permanent magnet motor is DC motor, AC motor can also be (such as household; similarly, no breeze ceiling fan) can be a permanent magnet DC motor, AC motor can also be, even AC / dc.
Q:The difference between induction motor and induction motor
In fact, the same is true, asynchronous AC motor is the wire package after power generation magnetic field, and then the rotor will have a magnetic field, called induction magnetic field, their asynchrony, so called asynchronous AC motor
Q:What's the difference between a three-phase AC motor and a two-phase one?
A three-phase induction motor consists of a stator and a rotor. Its stator winding is a three-phase symmetrical winding with symmetrical power supply. A two-phase motor is used to specify a motor with a 2 phase winding. Two-phase motor is divided into two categories: drive and servo. The Dan Xiang asynchronous motor used in most household appliances and small appliances belongs to two phase drive motors. Two phase servo motor for control, the stator's two phase windings are exciting windings and control windings respectively, with a space difference of 90 degrees of electric angle.
Q:Winding of single-phase AC motor?
Single motor is divided into main winding, secondary winding, main winding is working, and negative winding is started. The three motors are divided into main and secondary windings, and the three sets of coils are all working.
Q:What are the speed regulating methods of AC motors? Detailed point
1. use frequency changer to change power frequency speed regulation, speed range is wide, stability smoothness is better, mechanical characteristic is hard. That is, with the rated load, the speed drops much less. Stepless speed regulation. It is suitable for most three-phase squirrel cage asynchronous motors.2., change the magnetic pole logarithmic speed regulation, belong to level speed regulation, speed adjustment smoothness, generally used in metal cutting machine tools.3. change slip speed regulation.
Q:How to realize constant power or constant torque output of three-phase AC motor?
Is generally achieved through the frequency converter in the frequency power supply 50HZ, with inverter motor, the inverter output is below 50HZ, the motor is in constant torque output, but the inverter output is higher than 50HZ, the motor is of constant power output.
Q:AC operation of AC motor control circuit must be used?
When the current through the coil, in under the action of the permanent magnet, through attraction and repulsion when it rotates, and to balance the magnet, the original electric line is corresponding to contact the commutator and brush and brush away, connected to the group with the impulse to coil contacts should be so, repeat it, DC motor will turn up
Q:Rated speed of AC motor
AC motor: a machine used to convert mechanical energy and alternating current energy. AC motor has become the most common motor because of the great development of AC power system. Compared to the AC motor and DC motor, because there is no commutator (see DC motor commutation), therefore has the advantages of simple structure, convenient manufacture, relatively strong, easy to make high speed motor, high voltage, high current, large capacity. The coverage of AC motor power greatly, from a few watts to several 101000 watts, even millions of kilowatts. In the early 1980s, the largest turbo generator reached 1 million 500 thousand kilowatts.
Q:The difference between synchronous motor and asynchronous motor
The synchronous motor belongs to an alternating current motor, and the stator winding is the same as the asynchronous motor. Its rotor speed is the same as that of the rotating magnetic field generated by the stator winding, so it is called synchronous motor. Because of this, the phase of the synchronous motor is ahead of the voltage in phase, that is, the synchronous motor is a capacitive load. To this end, in many cases, synchronous motors are used to improve the power factor of the power supply system.
Q:Why are electric hair dryers divided into direct current motors and alternating current motors? What are their differences?
DC motor: fast speed, light weight, simple structure, easy to damage, big sound making

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