YTLVF(E)180 Frequency-changing three-phase asynchronous motor for tower crane.

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This motor is improved and developed on the base of the operation conditions of tower
crane and adopting the foreign advantage of special motors. The primary motor is
frequency-conversion dedicated motor. The thermvsensative elements are embedded
in the windingsSpeed sensor and brake can be set as requested by various users


This motor is mainly used for the lifting mechanism of tower crane and also for the lany mechanism of large-sized crans


YTLVFE180M1-4  18.5KW

YTLVFE180M2-4  24KW

YTLVFE200L-4   30KW

and any other Power.

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Q:How to test an AC motor ?
If you want to bypass the switch, then put another one in line. Go ahead and connect the wire going into and out of the switch together. Just use a twist-lock for testing purposes. Then get a normal 79 cent household light switch and use that between the plug and the motor. Use some electrical tape to cover the screws so you don't shock yourself. You might also tie the motor to the workbench so the start-up torque doesn't cause the thing to jump off the bench.
Q:I need a DC/AC motor to vibrate a plate. The plate should vibrate within a range of 20-50G. Is that possible?
I think it might be easier just to use solenoids.That way you would have both control of the intensity (via current) and frequency (just like the vibration of a speaker) F= m*a =(m_plate*a_plate)= (m_solenoid*a_solenoid.) and a_solenoid will be roughly proportional to current Only disadvantage I see is you wouldn't have a flywheel effect. --- You don't specify frequency range. It SHOULD be possible with a motor(rigidly fixed to the plate) that's big enough to rotate a large enough eccentric mass. ie the vibration/accelerating force comes from the movement of the system's center of gravity. I'll see if I can figure out the formula...
Q:An upper Holzer sensor for AC motors?
If you say is the kind of motor on the electric vehicle, it is actually a AC motor. The DC input to the controller, the controller output to the motor 3 lines is ac. I understand the questions you want to ask me, this explanation does not solve your problem.
Q:Why does high-speed rail use AC traction motors in China?
The design of asynchronous motor in AC motor is perfect, robust and easy to control. It is absolutely dominant in AC motor. The permanent magnet synchronous machine motor model is also very good, is the main application of high precision digital machine tools, hybrid electric vehicles, but also on some protection measures not in place, there is overheating phenomenon of demagnetization.
Q:What happens to DC motors when they are connected to AC current?
None of these people answered your question fully, so I will. A DC motor that uses permanent magnets will vibrate at the rate of the AC line frequency, which for the USA is 60 Hertz. However, if the DC motor is a shunt wound motor or series wound DC motor aka field wound motors, then it will rotate. These motors use copper wingdings in the field instead of permanent magnets to produce a magnetic field when current passes through the copper conductors. In fact the universal motors you find in power tools, vacuum cleaners, and blenders use series-wound DC motors that are using AC power to run. If want to know how it is possible for a field wound DC motor to run on AC then let me know and I will tell you.
Q:How to connect AC sensor and motor to PLC?
STOP! You do not connect the motor to the output card. A typical connection would be like this... An output fires when instructed. The output controls the coil of a starter. The motor is wired through the starter as appropriate. The motor can draw significant current, beyond what the output card is capable of handling (generally very low current). I assume the motor has 3 wires to make connection easier, it is really a 2 wire motor as only 2 connected wires make it run. So the connection would be the neutral to the neutral in your system, and the correct directional wire through the aforementioned starter, or relay if it is a small motor. What exactly is the sensor you mention? A Proximity sensor? I have to know more about the sensor. Typically the sensor is wired to power and has an output that is wired to the input board. email me for more detailed help.
Q:how do electric motors work on the ff. devices and machines?
effency of any machine , input output work.input energy
Q:what is the amps of a normal ac motor?
Depends which motor. Bigger ones will draw more.
Q:what are the applications of ac dynamic braking?
I assume that you are asking about dynamic braking of an AC motor. The term “dynamic braking” is usually applied where braking energy is dissipated as heat in resistors. Where braking energy is returned to the power supply, the term “regenerative braking” is usually used. “DC braking” of an AC induction motor refers to braking by applying DC current to the motor windings. Dynamic and regenerative braking can only be implemented when the motor is controlled by a variable frequency drive (VFD). Because the braking energy can not be reused, dynamic braking is used in applications that do not generate a lot of braking energy or do not have a means for storing braking energy or using it elsewhere. A relatively simple control unit is used to connect the braking resistors and modulate the braking current when braking is required. Regenerative braking requires a more complicated control unit unless the VFD is DC powered.
Q:can a motor that says ac only be powered by a battery?
no and no and no What voltage AC? you can get inverters that will convert 12 volts DC to 120 VAC or 240 VAC. .

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