YTPEZ (1P54) Three一Phase Asynchronous Motor for Travel Mechanism of Tower Crane

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Product Description:

Overview


The motor is a variable-
mechanisms in very harsh
frequency
working
,three-phase asynchronous motor exclusively designed for tower cranes and other similar travel mechanisms. It is applied to the travel
conditions such as construction site or open pit quarry

Features

Introduction of a spline drive shaft, with excellent mechanical bearing capacity;
Variable-frequency speed regulation in a broad range with high efficiency, small starting current, big starting torque and strong overload capability;


Duc to compact structure, small size, lightweight, high reliability, it can be quickly braked and accurately located, suitable for frequent starling and braking;


Introduction of a new brake (national utility model patent. Patent No. ZL201120188173.2, ZL2011201881643). It can buffer the startup to mitigate the impact on the
tower crane. In addition, the motor has very high security and reliability, and can reduce the maintenance time, and cut down the maintenance cost;


A thermal protection component is buried into Lhe stator winding, so the motor operation is more secure and reliable


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Q:What is AC induction motor?
The rotor does not directly enter the AC, the rotor is equipped with a closed loop conductor. The rotating magnetic field does relative motion with the rotor, and the closed conductor on the rotor cuts the magnetic field lines to produce an electric current, which then interacts with the rotating magnetic field of the stator so as to drive the rotor to rotate. As described above, the current in the rotor is induced by the rotating magnetic field of the stator, so it is called induction motor.
Q:What are the classifications of AC motors?
According to the required number of different phase AC power supply, AC motor can be divided into single-phase and three-phase two categories, currently the most widely used is the three-phase asynchronous motor, this is because the three-phase asynchronous motor has the advantages of simple structure, low cost, durable, easy maintenance etc.. In the absence of three-phase power supply and some less power motor, single-phase asynchronous motor is widely used.
Q:What is the stator voltage and current of an AC motor? And what is the current and voltage of the rotor?
The stator voltage and current of AC motor are determined by specification model!An AC motor, rated voltage 380V, rated current 289A, rated power 160KW,Rated voltage 380V, rated current 289A, that is, the stator parameters!The rotor is short circuited, squirrel cage, and has a strong short-circuit current to induce the magnetic field. There is no specific parameter!According to the model, there are tens to hundreds of thousands of ann!
Q:When the AC motor is burnt out, is the stator burnt out or the rotor? What about DC motors?
Normally, the AC motor burns out is the stator coil, and the DC motor burns out is the rotor coil. Because the stator coil of the AC motor is armature, the rotor of the direct current motor is armature. The fluctuation of the load and the fluctuation of the supply voltage directly affect the armature coil.Of course, there are exceptions to the special case of motors.
Q:How to make the AC motor stop rotating rapidly?
If you use it occasionally, you can install a reverse clockwise switch. If clockwise, turn down to the parking lot. It's easy to burn the motor for a long time.
Q:Soybean milk machine AC motor or DC motor is good?
With a special fragrance, and slightly stimulated; slightly sweet, and accompanied by stimulating spicy taste. Flammable gas whose vapors can form explosive mixtures with air and can be miscible with water at any rate.
Q:Motor PWM how to speed?
PWM speed control principle of AC motor, mainly through the AC signal of a variable frequency modulation, a high frequency square wave driving voltage, resulting in a change with the frequency modulation signal driving current in the motor armature. Thus, the AC motor armature is driven by this current to produce a rotating magnetic field in accordance with the frequency of the modulation signal, so that the rotation speed of the motor rotor is changed. It is modulated by fm.
Q:Is servo motor AC motor? What's the difference? How can I tell whether it is AC or DC?
Want to see is AC or DC motor, is very simple:Look at numbers. If AC seems to be communicating, DC is dc.Also according to the power line view, AC is the three car power cord.
Q:What is the maximum speed of a three-phase AC motor?
Level two is close to 3000 rpm, does not include ultra high speed, ultra high speed has 6000
Q:AC motor control chip
With two relays (or IGBT what) do isolation, change any of the two lines after the state of the line on the line. For example, when the A-C-B is turned on, the A-B-C is switched on, and if it is reversed, the drive relay (or IGBT) becomes a reverse.

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