Siemens EX Series Motor

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Siemens EX Series Motor

Q: whats are elecrtric motors and where can they be used?? and how: AC motors which usually range from 110v to 4160 volts and higher are used for tones of jobs...from pumping..grinders..moving machinery..moving roller racks.. ducing electricity...etc..they also come in multiple speeds...also used for gear reducers....there are single phase....three phase...slip ring motors...variable speed motors...variable HP motors...repulsion induction motors..brake motors..and on and on DC..they are also used for varies purposes..as drive motors...shunt wound and compound wound...to drive locomotives..run various machines that require various speeds...they can also be used to produce DC electric..like generators..again i can go on and on i spent 35 yrs repairing and rewinding both AC and DC motors..i could wqrite you a small book on electric motors

Q: When testing a standard AC electric motor, should there be 120 V between the brushes and the stator's wiring?: are you sure its AC? i have never seen an AC motor with brushes.... that's usually DC... either way you should check resistance (ohms) from the hot and neutral and have continuity... usually pretty low depending on the size of the motor... then check for continuity between the hot and the frame of the motor... should be open or then it would be grounded and bad... if you have an open between the hot and neutral either the motor windings are bad or you need new brushes. it is best to disconnect the wiring to the motor directly at the motor junction box to isolate the motor.... if you were to check for continuity at the disconnect and have a broken feeder wire it may make you suspect the motor when it really isn't. you can check the hot wire to the brush, and from where the brush makes contact to the neutral for continuity also

Q: Load=0.5Nminput voltage=397VAmps= 1.77Power Factor=0.66Input Power= 762 WattsSpeed= 1422rev per min or 148.91 rad per minthese are all the values i have: It can be shown mathematically that The total instantaneous power for a balanced 3-phase system is constant and is equal to 3 times the average power per phase.” That means that the rotating stator and rotor magnetic fields in a three phase motor are not pulsating at all as they are in a single phase motor. Edit 1 I would agree that size, fan etc. probably have more to do with the differences in sound than 1ph vs 3ph, but I suspect this is an academic question that should have been preceded by all other things being equal.

Q: Im building a formula hybrid vehicle, and Im wondering what would be the difference from using AC and DC motor: DC motors are easier to control, especially using digital (computer) systems. DC Control systems are usually more reliable than AC Control systems AC Motors require a sourcde of Alternating Current, but ALL batteries are Direct Current (DC). Therefore, you need what is called an AC Inverter to make Alternating Current (AC) from Direct Current (DC)batteries. This means more expense, AND more parts that could possibly fail, thus reducing the reliability of the vehicle and making it more expensive to repair.

Q: why DC motors are always started through starters?: Always? not in my experience. I suppose that depends on ones definition of starter if the definition includes anything that starts a motor, then the answer is obvious, if nothing starts the motor, then the motor doesn't start. Perhaps you could add some more information, like the size of the motor and it's application.

Q: I installed a new blower motor resistor pack on my 97 Dodge B2500 Van. The pack and connecting harness had burnt from a faulty connection. I chose to use one from a 98 1500 Pickup as that I could not find a wiring harness for my van's resistor pack (No salvage yard had a 97 or latter van). The old resistor pack was the open coil type, the new pack it the solid ceramic type. I installed the pack and harness on Saturday. I located the pack (when standing in front of the van) on the left side of the cover over the evaporator. core. Yesterday and today the blower motor quit running when I was adjusting the fan speed. The AC compressor was still running. Shut the control off and back on a few times and the fan works, it seemed to take about 30 seconds to one minute to restart. It will work at any speed. It only quits when I change fan speed and at random at that.: you may need to replace the actual switch that turns it on ,i have seen a lot of those go bad and that's how they,ll do if it had anything to do with the resistor again it wouldn't work at all or it would have burnt the new resistor out on it,so you know that part of it is still working, id lean towards the switch ,it could have been part of the problem all along ,id try another switch on it,see if that doesn't repair it,you could also have motor going out on that one that will cause them to burn up resistors a lot,good luck.

Q: Do the split/spin rings rotate in an AC/DC motor. if yes, how so?: the rotor is spilt with different coils surrounding the rotor and the rings are stationary at the end of the shaft

Q: i have seen many electric car project all the cars are using pmsm motor . why: A rotor assembly for an electric powered motor incorporates a stress assembly, a cup that receives component to the stress assembly, and a magnet center assembly received between the stress assembly and the cup. The magnet center assembly is hermetically sealed between the stress assembly and the cup. A rotor assembly for an electric powered motor incorporates a stress assembly, a cup that receives component to the stress assembly, and a magnet center assembly received between the stress assembly and the cup. The magnet center assembly is hermetically sealed between the impeller and the cup.

Q: Is it possible to use a 50 Hz motor to a 60 Hz power supply without using any frequency converter?: You can probably use a 50Hz motor on a 60Hz supply without concern for overheating or other damage. However, you should be aware that the motor will rotate at 6/5 its normal speed. That may or may not be an issue depending on what the motor is driving.

Q: Describe the features,characteristics and applications of an ac motor?: features: windings, armature characteristics: runs on ac power, usually heavy for size applications: washing machines, fans

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