Siemens Original 1PQ Series AC Motor

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Siemens Original 1PQ Series 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:what is standard RPM of 1 & 1.5 hp motor?: this is entirely attainable. a super intense RPM motor must be -very- nicely engineered. there is a superb line between means and weight, so the cord interior the rotor coils may well be aluminum to assist gain those intense speeds. I wasn't waiting to locate specifics on the motor in this style of blender, yet i'd wager this is equipped. in many cases, somewhat blender motor spins somewhat below 20,000 RPM on this is very own, yet those omni blender autos would in basic terms have extra coils interior the stator and rotor than a prevalent blender motor. they might actually have a marginally state-of-the-artwork means-transport equipment quite of a commutator. i don't be attentive to... After a rapid google seek, i discovered those issues look to run on extra or less 1000 watts of means. With domicile electricity the voltage does not substitute, so for extra beneficial means desires, cutting-edge is going up. At 120V, 1000 watts means the present may well be measured at extra or less 8.333 amps. of path, the better the RPM, the extra means would be needed.

Q:Sometimes the fan will start. Other times it will just hum when I power it on. If I turn the power off and then manually rotate the fan a quarter turn or so, it will then start when I apply power. Does this point to bad brushes, a bad starting capacitor, or something more serious?: Hi, If the fan comes with a capacitor, try and replace it first. It's only about $10 or $20 dollars. If that doesn't work, then replace the fan motor. The capacitor works by changing the phase angle of the current going into the motor where there is an additional winding that helps the motor start by giving it more torque, then the capacitor cuts out mechanically. Hopes this helps.

Q:not asking for a inverter: Err, no, it's not all electricity - there are lots of different types of electricity - or perhaps I should say electrical currents, to be more precise. You have probably heard of the abbreviations A.C. and D.C. used in connection with electricity. They stand for alternating current and direct current. The former changes its flow direction at a rate of between 50 and 60 times per second (depending where you live in the world). The latter always sends the current 'one way' That's why you cannot run A.C. only devices from a D.C source. Moreover, trying to do it is highly likely to damage the device (at best); cause a serious fire (at worst) plus the possibility of an electrical shock, if the insulation fails due to the excessive heat being generated within the device. .

Q:what is deference between PMSM and AC Servo motor?: PMSM means permanet magnet synchronous machine. An AC servo motor could also use permanent magnets, but it doesn't have to.

Q:How is the speed controlled on an electrical DC (or AC) motor? I'm sure I've heard that a motor will almost instantly reach full speed and this would be a problem in electric cars or even remote control ones, so I was wondering what components have to be used to solve this problem to allow the speed to gradually increase or to be adjusted in the case of an electric vehicle?: The output speed of the motor depends on the amount of current passing through it. What you are thinking of is the torque of an electric motor, unlike a reciprocating engine an electric motor produces max. torque however fast the motor is turning. To control speed you would use some kind of variable resistor which would allow you to alter the current passing through it. Hope this helped :)

Q:Explain how a phase shift between the current in the poles of a motor causes a rotating magnetic field to be created.: This relates to an ac motor, (Alternating Current). The AC current has a sinusoidal wave, of 60 cycles per seconds(USA). Therefore the current is alternating from positive to negative once in each cycle. The coils in the field or armature of the motor, alternately create a magnetic field that alternate synchronously with the current, creating a N(pole) or a (S) pole magnet at the core of the coil. It is this alternating pole (N to S toN to S.....on and on )that creates the attraction or repulsion between the magnetic fields in the housing(stator) and rotor of the motor, causing the rotational movement. A direct current passing thru a coil which is wound around an iron core will produce a magnetic field that makes one end of the iron core as N(pole), the other as(S) pole, steadily. The same set up , but with an alternating current (A.C) will create alternating N pole, and S pole at the same end of the core, changing at the rate of the frequency of the ac supply.

Q:HELLO, I WANT TO CONVERT ABOVE CONFIGURE MOTOR 1440 RPM TO 120 RPM ONLY BY ELECTRICAL OR ELECTRONICS SOLUTION. PLEASE ANY ONE PROVIDE ME SOLUTION AND CIRCUIT DIAGRAM FOR THAT. I DONT WANT VARIABLE SPEED CONTROLLER. I JUST MAKE ONLY ONE CONTROL OF SPEED AT TIME. SO PLEASE GIVE ME LOGIC AND CIRCUIT LOGIC ALSO.: There is no way to do that. This is an induction motor. A VFD (Variable Frequency Drive) will not work as pointed out by lunchtime_browser. You will have to use a gearbox with almost any motor to do that. If you use an induction motor (squirrel cage or AC motor), it is possible to control a 3 phase motor to lower speeds by using a VFD, that reduces the voltage and changes the frequency, but only within limits. These can be programmed to a fixed speed, but not so slow as 120 RPM. The cooling might also need to be addressed (fan too slow). Single phase (split phase) motors are more limited, whether using a centrifugal switch or not. You probably need a DC motor if you insist on no gearbox. The variable speed controller to suit this motor is just set to the speed you want. If you need a precise speed it needs a speed controller with speed sensor and feedback. Note that the mechanical power is the product of RPM and torque. The torque is more or less the same, as it is determined by the current rating. However with 120 RPM from a 1440 RPM motor the speed is only 1/12 so the power is only 1/12. Using a gearbox increases the torque and reduces the speed so the power is more or less the same. There are gearmotors for a wide range of output RPM. A bicycle hub motor might suit if the power is in your range. Another idea is a stepper motor, which can run at these low speeds, but it does need a controller (driver) and power supply..

Q:How to change AC motor to DC motor?: DC motor actually through the role of brush and commutator, the actual winding flow is also alternating current. AC motor brushless, DC motor needs brush, can not change.The direct current motor uses direct current, and the alternating current motor uses alternating current.

Q:what are the differences between ac and dc generating motors?: motors are not designed for generation of electricity, they are less efficient! DC generators are old technology alternators use dioded and are much more efficient = better conversion mechanical to electrical energy. alternators produce alternating current D

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