• Siemens EX Series AC Motor System 1
  • Siemens EX Series AC Motor System 2
  • Siemens EX Series AC Motor System 3
Siemens EX Series AC Motor

Siemens EX Series AC Motor

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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:The difference between synchronous motor and asynchronous motor
Synchronous motor for motor operation. The synchronous motor can adjust the excitation current to make it run in the leading power factor, power factor, to improve the power grid so that large equipment, such as large air blower, water pump, compressor, ball mill, rolling mill, synchronous motor driver. This advantage is particularly pronounced when low-speed large equipment uses synchronous motors. In addition, the speed of the synchronous motor is entirely determined by the frequency of the power supply. When the frequency is constant, the speed of the motor is certain, and it does not change with the load. This characteristic is very important for some transmission systems, especially for multi machine synchronous drive system and precise speed regulation and speed stabilization system. The stability of synchronous motors is relatively high. The synchronous motor usually operates under the excitation state, and its overload capacity is greater than that of the corresponding asynchronous motor. The torque of an induction motor is proportional to the square of the voltage, while the torque of the synchronous motor is determined by the product of the electromotive force generated by the voltage and the excitation current of the motor, which is only proportional to the primary voltage of the motor. When the grid voltage suddenly drops to the rated value of 80% when the torque of asynchronous motor is decreased to about 64%, and stop with real load; and the torque of synchronous motor is not decline, but also through forced excitation to ensure stable operation of the motor.
Q:And does a device that runs at alternate current only, mean that it will only run at a set number of cycles/frequency?
Yes, okorder /
Q:I was curious if I rewired the AC motors on both the squirrel cage fan and outdoor unit to DC, and hooked solar panels directly to with battery backup, would that be anymore efficient than converting to AC?
Don't AC and DC motors differ quite a bit in design? Is this even possible short of building a new motor?
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 do ac motors work? how do airconditioners work?
thats a long talk.simple way to put it. A/C work by taking hot air from the room and putting it outside. (hot will always travel to cold). hot air gets taking away by the inside coil. then the compressor super heats the refrigerant so its hotter than the out side.( 10+ most of the time). the outside motor blows air across the coil. then refrigerant cools down again and repeats intill the inside is at it set point. If you want more detail on how it work go to this web site I found below.
Q:I've seen in an AC motor they have the wires in a sorta quot;trianglyquot; formation for the 3 phase movement, but i was wondering for the sake of a generator which would be better, 3 magnets rotating over the quot;trianglyquot; shape, or 3 rotating over just a regular quot;pancakequot; flat coil, tankya's for da helpz
There is a very good reason that electric machines tend to be cylindrical in shape. The shorter that you can make the air gap in the magnetic circuit the more efficient the machine will be. Yes there is a magnetic circuit and the more of it that is in iron the better it will be.
Q:When an AC motor overheats badly, what is generally the first point or two that it will fail at? And what will be required to remedy the problem?(I see alot of carbonization of the coils in various places.)'m working on bringing an old single phase 120 V, 12 A motor back into operation but I'm a bit new to motor theory and many other things under the sun.I pulled the motor off the table saw it came from, cleaned it up, realigned the extremely misaligned rotor with the stator so it turns easily again BUT it still isn't working, it just sits there and hums it's terrible hum. So obviously the alignment is not the current cause of the motors inability to operate.Thanks for your help!
There are many case for non operation of ac machine.This trouble shoot will help to find the answer 1.Find the air circulation holes block age 2.Find the carbon brush position and condition. The second point may be the Solution for your problem
Q:what happens when an electric motor is overloaded?
An overloaded AC electric motor will begin to slow down and draw more current than normal. This will cause internal overheating. Most good general purpose motors have an internal high temperature thremostat that will shut them down before any serious damage is done. When the motor has cooled it can be restarted; however, it should not be continued to be operated that way because it will soon fail anyway. The thermostat will likewise stop the motor if the cooling air passages are obstructed and the motor overheats.
Q:can you run a brushed ac motor on dc current?
Brushed AC motors are in fact serial DC motors. So, the answer is YES, you can. But you must do some maths not to overload it so it burns out. And (as in AC) it will not be a reversible motor! (i.e. if you reverse the poles, it will still rotate in the same sense).

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