YTLEJ(IPW23)Torque Three一Phase Asynchronous Motor for Tower Crane Amplitude Mechanism

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Overview

This series motor adopts modular design. It consists of four parts: torque motor, eddy current regulator, electromagnetic brake and fan, which can be flexibly configured to
meet different customer demands. With introduction of a new special brake, it can cater for outdoor and high-altitude operations. The product has reached the international
advanced level with the patent for utility model. It is mainly used as a trolley speed-change gear for tower crane as well as other mechanical equipments requiring for
constant power and stepless speed regulation.

FeaturesConstant tension and linear speed, stepless speed regulation, frequent starting;
Special eddy current regulator for the motor realizes smooth startup or stop;
New special brake (national utility model ZL201120188173.2, ZL2011201881643). This ensures fast braking and accurate positioning with higher safety and reliability
Besides, manual release is possible;
The rotor is made of copper alloy with better mechanical properties and mechanical bearing capacity in the domestic industry;
Spindle is hot forged by alloy structural steel，with good overall mechanical perlormancc;
A thermal protection component is buried into the in stator winding, making motor more safer and reliable;
Compact structure, small volume, lightweight as well as high reliability, so itfeatures easy maintenance and repair.

Q:How to use single-chip microcomputer to control AC motor 65KTYZ, what should be used to control the chip? Please give expert advice. It is better to give access to each interface.: 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.

Q:I have just received a Hurricane 2 horsepower electric motor. It was used as a pump for a pool. Is there any way i can re wrap this motor and make it run on either 24 or 36 volts DC?: I don't think so. Going from AC to DC is the hurdle (I'm assuming this is AC). It'd be more work than it's worth. If it's a DC motor then you can run on a lower voltage you just won't get nearly the output power.

Q:what is a high speed motor ?: An engine that can run at higher RPMs and speed>

Q:What are the speed regulating methods of AC motors? Detailed point: (1) rotor circuit series resistance: used in AC winding asynchronous motors. The range of speed regulation is small, the resistance consumes power, and the motor efficiency is low. Used of cranes.(2) change the speed of power supply voltage, the speed range is small, the torque decreases greatly with the voltage drop, and the three-phase motor is usually not used. Used for single-phase motor speed regulation, such as fan.(3) cascade speed regulation, in essence, is the introduction of additional rotor electromotive force, change its size to speed. It is also only used in wound motors, but the efficiency is improved.(4) electromagnetic speed regulation. Used only for slip motors. By changing the exciting coil current, stepless smooth speed regulation, the mechanism is simple, but the control power is smaller. Not suitable for long term low speed operation.

Q:AC operation of AC motor control circuit must be used?: In addition, alternating current is a sinusoidal current, not a sudden change in the approach. It's a little bit of gradual change. So the magnetic field is also gradual. There is no magnet in the alternating current motor but an iron core. The iron core induces an electric current in the gradual magnetic field, and the magnetic field of the current must cause it to rotate normally, and of course it also changes. That is to say, what you mean is that the frequency is constant, but the external magnetic field is constant, but the induced magnetic field is related to the rotation speed. The motors that can change speed change by changing the number of electrodes. Such as: the original current one cycle outside the gradient magnetic field for a week, now two cycles outside the gradient magnetic field for a week, not half of it?!

Q:Their advantages,disadvantages comparison table?: V/f control is simply the control of the voltage and frequency applied to an AC motor such that the relationship between voltage and frequency is that the ratio of voltage to frequency is a constant. V/f control is often enhanced by adding “boost,” increasing the V/f ratio at the low end of the frequency range. V/f control would not be considered to be torque control although some protective torque limiting method is often included. Control methods that emulate the armature current regulation control strategy of a DC motor are called flux vector control, field orientation control, or direct torque control. These control strategies mathematically model the motor and estimate its performance by measuring the motor current and the instantaneous vector relationship between the applied voltage and the current. A motor shaft speed and position sensor may be used to determine the instantaneous rotor speed and position. Vector control systems are often called “sensorless vector” when a shaft speed and position sensor is not used. Vector control can provide torque control that allows a torque reference to be set and the delivered torque to be held at the set value with the motor being determined by the torque delivered and the characteristics of the load as long as the drive is within rated limits. The details of the control implementation are generally not fully disclosed by the manufacturers. Since drive performance is affected by the characteristics of the load, manufacturers do not generally provide specific performance information. However, there is a lot of application information available form drive manufacturers. Detailed technical papers are published by the IEEE, but it not always possible to determine which products, if any, implement techniques discussed in IEEE papers.

Q:The motor I'm talking about is the main large motor in the very bottom of the unit. The unit (which is in the basement) started making a loud humming/squeaky sound. I automatically knew it was probably bearings. I took off the lower panel after I shut it off and reached back there and turned the pulley and it is squeaky yet turns pretty easy. We sprayed some WD-40 on the center and turned it back on and there is no noise now.Is there a way to use a grease gun to grease the bearings normally? If so where would I look for it? Any other suggestions are very welcome!: Make sure the filter is NEW and clean. The motor works too hard if it's sucking air through a dirty filter. The electrical contactor inside may need to be replaced (you need a qualified HVAC tech or electrician to do this).

Q:The fan only works on high, it started losing speeds one and three, now only four works: Check the fuses first.

Q:Can a function generator be used with ac/dc motor to increase or decrease its frequency?: With an AC only motor if the function generator is connected to an amplifier yes it can. If it's a AC/DC brush motor like in a vacuum cleaner you can just use a simple control circuit. Look up triacs and light dimmers.

Q:Braking principle of 220V alternating current motor: AC motor and its controlAC motor is divided into two categories: asynchronous motor and synchronous motor. According to the number of stator phases, asynchronous motors are divided into single induction motors, two-phase asynchronous motors and three-phase asynchronous motors. The three-phase asynchronous motor is widely used in industry and agriculture production because of its advantages of simple structure, reliable operation and low cost.

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