Siemens EX Series Motor

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Siemens EX Series Motor

Q: Why do motors need capacitance when they start?: Only single-phase AC motors use capacitor, DC motor and three-phase AC motor are not needed.The two phase motor coil can not generate a rotating magnetic field, which must be in a coil on series capacitor, the current current branch ahead of another coil, in order to form a rotating magnetic field between the two coils, the rotation of the rotor.

Q: I'm trying to interface WirelessHART network with an ac motor to control its speed at low level using field devices and gateway by Emerson. Could someone please tell me how the VFD and PLC is gonna help me control the speed of the ac motor using WirelessHART network?: The okorder /

Q: i can hear the motor humming and if i take the cover off i can spin the fan by hand: The motor is bad.

Q: I am trying to figure out how to make an bench grinder that has an AC motor with a DC power supply with out buying an expensive inverter. This is for class project and we are on a budget.: You will definetely need AC power and if will only have a DC supply you WILL need an inverter. Inverters can be built. Here is an schematic. However, if you decide to go ahead and try to build it, be carefull as working with power supplies and inverters could be dangerous. www.uoguelph.ca/~antoon/circ/555dcac.html

Q: Just replaced the outside condenser units fan motor and it turns the opposite direction than the old one. Wires are correct. Switched the leads on the running capacitor and it didn't help. Any suggestions??: turn it off switch the yellow and orange that will change your rotation1 yellow to 1 orange as long as its a reversable motor

Q: What are the stator and rotor functions of an alternating current motor?: The role of the rotor of an AC motor is:The rotor is a part of the magnetic circuit of the motor, which forms the whole magnetic circuit of the motor together with the stator core and the air gap. The rotor iron core is generally laminated with 0.5mm thick silicon steel sheets. The rotor cores of medium and small AC motors are mostly installed directly on the motor shaft. The rotor core of the large AC motor is mounted on the bracket, and the support is sheathed on the shaft.

Q: When I turn on the AC/heater/vent fan, it runs, but is very loud and there is very little air coming from the vents. What is the problem?: Busted blower motor. I've changed one that did the exact same thing before. That loud sound is the motor spinning on a very rough axis. It will become very obvious when u remove the old motor. The motor will not run for much longer, but why would you? That sound is awful and produces almost no air.

Q: alternators: No, not easily, at least not for single phase AC. Your alternator is a DC powered rotor coil in a three phase AC coil stator. The rotor needs DC current to produce the mag field. The brushes that power the rotor are fixed rings, they don't reverse polarity on rotation, so no DC motor action. Your rotor is not wired for induction nor are your stator coils, so no single phase AC motor action. You need a rotating magnetic field to make it work, you need three-phase AC supply and power the stator coils separately and a DC supply for the rotor. Then you will have a 3 phase AC motor. Easier to just buy a motor, though there are instructions on the internet for doing it. Google alternator as brushless motor