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:Say i have a 400hp ac 3-phase motor.speed is given as 3575 rpm.Does this mean that if left to run on it's own (with 60hz and the related voltage etc) or unloaded it would produce 3575rpm? and the torque would just be power/speed?if this is the case, does this mean that if i loaded the motor with double this torque its speed would half?Basically i'm trying to figure out how to work out the performance characteristic of a motor for different loads given the basic manufacturers data.thanks...: This is a 3 phase induction motor. The field rotates at 3600 RPM's and the squirrel cage rotor rotates at 3575 RPM at full load. The slip speed is the difference of field rotation and squirrel cage rotation speed. The slip speed causes a current to be introduced into the squirrel cage rotor which in turn generates the magnetic field in the cage that causes it to rotate in the first place. At no load the slip speed drops so the rotor spins at nearly 3600 RPM.

Q:The heater/ac blower recently quit working on my '97 Olds Bravada. If you turn the fan speed dial all the way up and then move it from highest setting to setting thats just lower than highest you can hear a clicking sound coming from top of dash, almost like it's below the speaker: www.okorder /

Q:without adding any gearing or uping on the size,wattage, etc.: No, not really. As with any motor, you are going to get X power out for Y power in. Power in is electrical wattage, and power out is mechanical wattage (or horsepower). Electrical power is volts times amps, and mechanical power is speed times torque. You can't get more power out- increasing the torque- without more power in. The only practical way to do this would be to feed the motor more power (in the form of voltage), but that would increase your power consumption, increase your speed, and you're not likely able to get a higher AC voltage very easily.

Q:Here is a hair dryer i was going to buy from argos but it says it has an AC motor which most of the others don't have, is this a good thing to get?http://www.argos .uk/static/Product/partNumber/4429890/c_1/1%7Ccategory_root%7CHealth+and+personal+care%7C10199659/c_2/2%7Ccat_10199659%7CHair+care%7C10199687/c_3/3%7Ccat_10199687%7CHair+dryers%7C10199692.htm: AC is alternating current, this means it runs on the power from your wall outlet.They all use ac motors, it's just such a standard thing most people wouldn't even mention it. It's like saying your car runs on a gas motor. True, but most of them do.

Q:Why in general larger aircraft make use of both AC and DC electrical systems.?: Geeez!....RickH must write text books for aircraft mechanics. Great answer Rick.

Q:I have to do research for an engineering project and i can't even figure out what it ishelp!: AC stands for alternating current. For a quick and dirty picture explanation go to: Wikipedia Encyclopedia and find both AC and DC electric motors.

Q:what determines the speed of electric motors?: The amount of current applied to the magnets in the motor.

Q:Hi. I am trying to reduce rpm on a AC 1000rpm motor. Is there a way to do this? I want 210 rpm output.?: What you need is a circuit to reduce the percent of the output waveform applied to the ac motor. That will slow down the motor, but I hope you don't want a lot of power. That much chopping will make the motor not be efficient. Talk to some of your geek friends and I think they will be able to help.

Q:Why is the AC motor connected to the capacitor?: The purpose of the AC motor capacitor is to separate the single-phase alternating current from another phase alternating current of 90 degrees by the phase shift of the capacitor. The two alternating current into two groups or four groups of motor winding, forming a rotating magnetic field inside the motor rotating magnetic field induced current in the rotor, the induced current magnetic field and rotating magnetic field in the opposite direction, by rotating magnetic field into the rotating push and pull.

Q:What is the purpose of the encoder and how can you tell if it is working properly. thanks: Picture encoder as reporting device. (Watch dog) It can be use to report things like number of revolutions, position of the armature, speed, acceleration etc. this information can be used in may different ways, very often it is used as so called feedback control. It works like this; you give a command to the motor to go specific number of revolutions, encoder is watching what motor dose and confirms to the control device if it actually happens. Search Google or yahoo on steeper motors or servo motors to learn more.

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