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

Siemens 1PQ Series AC Motor

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Q:What I want is to generate electricity out from a 2Kw generator alternator and driven by a 800watts AC motor or any AC motor which is much smaller in electricity consumption. I am not thinking of a perpetual machine but to minimize my electric consumption. The AC motor will be connected to the power grid to drive the 2Kw generator alternator.. is this possible? Thanks ahead.
But you are thinking of a perpetual machine . You attempt would lead to a negative result, where you pay more for the losses.
Q:How can direct current drive AC motors?
Originally 24V battery driven 120W motor, want to use alternating current drive, need a AC/DC power.Buy a AC220V/DC24V 10A (big, expensive, how many, but safe) switching power supply.If you do it yourself, buy a 220V/12V 150-200W transformer, a 10A rectifier bridge, a heat sink, and a few 50V4700uF filter capacitors. Transformer voltage transformer to 12V, rectifier, filter, DC 24V.
Q:the pulley isnt seized.it smokes only when ac or defroster is on.i would like to know how long can i drive it with the ac or defroster off all the time.
The A/C compressor pulley runs free until you turn on the A/C knob. The pulley has an electric clutch that starts the compressor guts spinning. So as long as that clutch isn't turned on, it will not damage anything. Just unplug the wire connector on the A/C compressor, and drive. Or just never turn on the A/C switch on the dash.
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?
The motor is constructed with 2 different windings in it so that it can reverse. There is a relation between the rotor and the stator; the stator has essentially 2 different windings. the only 2 things I can suggest is take it to a motor repair shop. Maybe they'll be familiar with it and tell you right there. Or you'd have to contact the manufacturer for specific wiring construction/ info. I always mark the wires before disassembly.
Q:What happens to a stator wound AC permanent magnet motor when the rotor is removed but still powered?
You will have an energised choke in one place and a rotor that is still spinning due to intertia but slowing down due to friction. With no rotor load the power consumption will go down. Probably. In real life the rotor would go out of control as you tried to disassemble the motor while working and it would shatter into little bits.
Q:are dc electric motors cheaper to operate than ac motors and why?
The power company charges you for the energy (kw-hr). If you are going to move a constant load, let's say 50 KW. I doesn't matter what type of motor you use, you are going to need 50 Kw of power to move the load, and the company is charging you for that value, so speaking of the price you pay for the energy, it would be the same. But, there is an additional cost because the electrical company doesn't supply you with DC, you'd have to buy an inversor to supply it to the motor.
Q:Replacing fan motor on AC condenser?
I think I get the question. You want us to give you the step by step instructions on how to install an AC condenser fan on every vehicle every made, right? We'll get right on that and have the information for you in about four years. Or not. Then again, maybe you could resubmit the question and provide some CRITICAL information like year, make, model, and engine. Otherwise you're gonna get ZIP.
Q:elctrical machines
An induction motor or asynchronous motor is a type of alternating current motor where power is supplied to the rotor by means of electromagnetic induction. An electric motor turns because of magnetic force exerted between a stationary electromagnet called the stator and a rotating electromagnet called the rotor. Different types of electric motors are distinguished by how electric current is supplied to the moving rotor. In a DC motor and a slip-ring AC motor, current is provided to the rotor directly through sliding electrical contacts called commutators and slip rings. In an induction motor, by contrast, the current is induced in the rotor without contacts by the magnetic field of the stator, through electromagnetic induction. An induction motor is sometimes called a rotating transformer because the stator (stationary part) is essentially the primary side of the transformer and the rotor (rotating part) is the secondary side. Unlike the normal transformer which changes the current by using time varying flux, induction motors use rotating magnetic fields to transform the voltage. The current in the primary side creates an electromagnetic field which interacts with the electromagnetic field of the secondary side to produce a resultant torque, thereby transforming the electrical energy into mechanical energy. Induction motors are widely used, especially polyphase induction motors, which are frequently used in industrial drives. Induction motors are now the preferred choice for industrial motors due to their rugged construction, absence of brushes (which are required in most DC motors) and—thanks to modern power electronics—the ability to control the speed of the motor.
Q:I bought a british warning siren made by Secomak, which has a motor rated for 240VAC/DC 3A @50Hz. I am confused on how to provide it power. Not only do I somehow have to provide it 240V (which would require at least a transformer given that US outlets are only 120V), but I've also been told US 240VAC power
The AC/DC rating indicates that the siren has a universal motor. That is essentially a DC motor with a commutator and brushes that is designed for use with either AC or DC. I believe that the starting current for a universal motor is less than for a regular AC motor. Even though one leg of UK 240 volts is grounded, I doubt that the frame of the siren is grounded. You can check that with a multimeter. At a minimum, you should have help from someone who knows how to use a multimeter. PS1 If I had the siren, I would probably connect it directly to a regular 120 volt outlet. If it has a universal motor, it should run at a lower speed, but not take too much current or anything. You should be able to check it out using just the two hot wires from a dryer outlet. You might be able to add a 15 or 20 amp 240 volt circuit to power it. A transformer large enough for it would be about half the size and weight of the motor. An auto-transformer would be a little smaller. With a rectifier and filter, you can get about 160 volts DC fro a 120 volt outlet. The motor will run a little faster at a given voltage with filtered DC, so 160 volts might be enough. PS2 I should have said that I doubt that the frame of the motor is connected to one of the power inputs. When you install the siren, you should connect the frame to the grounding conductor of the power system.
Q:Hi, can someone please explain why measured mechanical power might be considerably lower than the value calculated using Rr and Xr?(in a 3 phase induction motor)Thanks for your help!
In any motor the measured mechanical power is always lower then calculated power because of losses such as copper losses, iron losses and friction.

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