Siemens Reducer Gear Motor

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Siemens Reducer Gear Motor

Q: I was told the bearings in the old motor were bad thats why it was seizing up in the first place that why it was doing it in the first place but its still doing it.... Please help: You don't mention the capacitor which should be replaced, also. Inspect the fan blades, like the answer says above, to see if they're hitting the sides, out of balance, which will stress the motor shaft. Look at the wiring connections for any frayed insulation, bad terminals. You will get a high amp reading if you have them due to increased resistance. You might have a low voltage issue at the contactor. You can get bad motor out of the box, so check the play up and down of the shaft and free rotation of it before you pay for the next one.

Q: How would you measure the resistance of a 2-pole, 3-phase AC induction motor?Where would you put the meter leads for accurate measurement. Also, does the power need to be on or off. It's for a dishwater.The one we are using is a 2-pole, 3-phase, AC induction motor rated: 1/4 HP, 3600 RPM at 60Hz.Much detail as possible.: Dear, Thanks, am also fine like you,for remind always during measuring resistance do not switch on the system, by use megger please check the resistance between one terminal @ body another be each one end of 3phase input to motor.Ensure it must be open now the winding resistance between any 2 of 3phase input to motor.it should offer some resistance in ohms.

Q: if a ac supply is given to dc motor why the motor coil burned?: Hi BECAUSE ITS A DC MOTOR (DC = Direct current AC = alternating current) AC current is like a circle .. power goes in and comes out DC current is like a Straight line that ends. power goes in and is grounded to a stop. Two totally different types of Electricity good luck tim

Q: How is the rated current of three-phase AC motor calculated?: I=S/1.73UX0.8 is: apparent power divided by the square root of 3, 1.73, and then divided by the voltage X power factor 0.8

Q: AC motor: In an induction motor, the current that produces the rotor’s magnetic field is induced by the movement of the rotor conductors through the stator’s magnetic field. The rotor conductors move through the stator magnetic field because the rotor speed is less than the speed of the stator magnetic field by an amount called slip. Synchronous means “happening, existing, or arising at precisely the same time” or “recurring or operating at exactly the same periods.” In a synchronous motor, each revolution of the rotor corresponds to exactly one revolution of the stator’s magnetic field. The synchronous motor is named for the exact, turn-for-turn, matching of the speed of the rotor to the speed of the stator magnetic field. The principal of the induction motor requires a difference between these two speeds. There are other important differences between induction motors and synchronous motors. There are also different types of induction motors and different types of synchronous motors. However, it is the difference or lack of difference between the rotor speed and the speed of the stator’s magnetic field that is the defining difference between induction motors and synchronous motors.

Q: I'm writing a report and i just don't under stand so can anyone explain this as simple as possible.: Alternating current flows in two directions and direct current flows in one direction.

Q: ( Just the basics? )Why does the armature spin continuously in both?I really do not understand , why does the current alternate in an AC generator anyways?how do the slip rings work?: The rotor does indeed spin continuously in both. This is necessary because the interactions between rotor and stator are because of the difference between their magnetic field orientations. Slip rings let stationary contacts on the motor frame to transfer power to/from the rotor even while the rotor spins. hth.

Q: i wont to make my slide door to open and close with out use my hand and i wont the electronic map to make itthank for all: You need a series motor like the one use for drill. By changing the stator coil direction, AC series motor can change its rotation. A DPDT relay can do this task. Use this motor to rotate a gear to control door either open or close. Limit switch installs on both end to stop the door at fully close and fully open position. A reset control is also require to restart the task.

Q: the shaft turns slower all.. but my only doubt is how is the obvious assessment made that when voltage drops frequency drops(i read it in a textbook)....: In AC motor, normally the drop in frequency causes the voltage drop, not in reverse. The frequency drop comes from the supplying line i.e. when the supplying generator slows down. The motor shaft turns slower, directly proportional to frequency drop, not less, while still supplying load. When the load is higher, the motor consume more current. The higher the load, the higher the consumed current. The overheating occurs because the current exceeds the current carrying capacity of the winding wire

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