Siemens 1PQ High Low Voltage AC Motor

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Siemens 1PQ High Low Voltage AC Motor

Q:Why is a split phase or capacitor start motor typically not a varialbe speed motor?What would have to be done to operate a split phase or capacitor start motor as a variable speed motor?: most of these motors have a start winding that is disconnected by a centrifugal switch near operating speed. If the desired speed is less than the speed needed to keep the switch open the start winding would then be reconnected and soon burn out. The starting capacitor would most likley burn out first. Shaded pole motors can have multi speeds by varying voltage but are limited to smaller outputs like fans ...The shaded pole motor has many positive features, but it also has several disadvantages. Its low starting torque is typically 25 to 75% of full load torque. It is a high slip motor with running speed 7 to 10% below synchronous speed. Also, it is very inefficient, usually below 20%... at second link Depending on application it may be possible to use a variable speed pully such as the one at the 3rd link (tb woods)

Q:Or is it just me?: There is no AC motor on any car, What the heck are you talking about? that's why you received no answer! You don't even say what year it is, Are you talking about A/C System? The compressor? I advise that you rephrase your question

Q:If I wanted quot;run an AC motor backwardquot; ie to generate electricity (instead of electricity turning the axel). What do you need to do to get an AC motor to get it to generate electricity?: first you have to have a motor to turn the generator or some sort of propulsion for it if it has magnetite magnets just hook your wires to the poles or connectors you've got power when you turn the motor if you don't you will need a power source to drive the electromagnets like a 12 volt battery and it will recharge the battery you will not get very much power out of it you will also have to clip the power flow resisters inside the motor

Q:My motor draws 24VDC / 5A and runs off a lead acid battery. If I input 120VAC / 15A in a ACgt;DC power supply what does it out have to be to run the motor? I've been told an output of 24VDC / 5A is not enough.: Dear, Thank you, am also fine like you then dear based on application of precision select drive i.e. scr control drive also used but for variable speed drive else put transformer bridge rectifier without use filtering capacitor by put of current limit resistor suitable for 5a its wattage. Use secondary of transformer is 27v,7.5a

Q:Is suppression capacitor (Volt AC) can be used as motor starting capacitor?: I wouldn't try it. Capacitors have a maximum ripple current rating. The EMI cap doesn't have as high a rating as an oil filled motor start capacitor.

Q:If I have an AC electric motor with 3 wires instead of two, how do I modify the wiring to be able to connect it to a home-built transformer? (to boost the voltage created by the motor acting as a generator): What you have is ether a 3-phase motor, which is no good on your transformer, or anywhere else indoors either, OR if the motor has brushes, then it may be designed for CW and CCW direction. I don't think you will generate any higher voltage than what you are putting into it, that would be like perpetual motion.

Q:an electric motor draws a current of 11.5a in a 240v circuit. what is the power of this motor in watts?: P = 11.5 x 240 watts skipping things like VA and Power Factor. .

Q:I am interested in building a generator to lower some cost. Not long ago, I was very confident in success of building one. As I research more and more, it turns out to be that not all the motor could easily be converted to a generator. I am interested in using quot;Fasco D728 5.6-Inch Direct Drive Blower Motor, 3/4 HP, 115 Volts, 1075 RPM, 3 Speed, 10.5 Amps, OAO Enclosure, Reversible Rotation, Sleeve Bearingquot; to be my generator. From another website, it's listed quot;Motor Type: Permanent Split Capacitor.quot; Can anyone tell me how to convert this motor into a generator that you only need to spin the shaft and it will produce electricity?Thank you all for your kindness.: nicely you already figured it out that this would not paintings. i could propose to ignore the assumption with a capacitor start up electric powered motor. in case you're taking the motor aside then you certainly'll see that the armature or rotor consequently would not have a winding for use for excitation. that's the trick, with the intention to generate potential you may create a rotating magnetic field which may be regulated first, that's no longer the case right here. i could propose to apply an old vehicle alternator, then cost a battery with the potential popping out of this and use an inverter to get a good (in Voltage and Frequency) AC out of it.

Q:I have an electric drill (large) it has 4 wires going to the motor, six connections on a double-pole,double throw switch and is connected to 120V AC. One of the four wires is connected to the neutral (white) of the power line, the other three must be connected to the switch to make it reversable. Can any one help?: It is most likely this is a commutator motor with brushes and a field, the so called universal motor, meaning it works with AC or DC. Being a drill it is most likely a series motor, with field and armature coils in series. To reverse such a motor the connections to either the field or the armature are reversed. The four wires to the motor would be field and armature. The six connections to the switch allow either the armature or field to be reversed. The basic connection is the neutral goes to one end of the motor and the active goes to the other end. Now consider the reversing switch. Draw it out on paper The other end of the winding with neutral goes to one changeover pole. The Active goes to the other changeover pole. The two wires from the reversing winding go to the normally open and normally closed contacts, but are crossed over. Thus NC may be straight and NO crossed over. The 2 jumpers are the crossover from NO to NC poles.

Q:You have an AC current, and you want it to be a DC current without it pulsing. Here's my solution. You put the AC current into an AC motor. You then have the motor turn a DC generator, making a DC current. I think this will work, but I can't tell...: Yes, it will work, but it's not nearly as efficient as the traditional method of a bridge rectfier and capacitor bank. The AC motor will not be more than 90% efficient, and the DC generator will not be more than 90% efficient, so the whole assembly will not be more than 81% efficient. The bridge rectifier/cap bank will easily be more than 95% efficient.

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