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Can the voltage regulating module be used as AC motor speed regulation?
- In fact the motor rotor is able to rotate, in addition to the three-phase alternating current frequency, and the stator winding pole outside, also with the rotating magnetic field intensity, rotating magnetic field intensity and current of the stator winding about. Because the voltage of the input stator winding is reduced, the current input to the stator winding is reduced, and the rotating magnetic field strength is reduced. It also reduces the torque of the rotor, and thus reduces the speed of the motor.s
Are there 3 harmonics in the voltage of a three-phase alternator? Why?
- If the generator is delta connected, there is no 3 harmonic in its no-load voltage;s
how can i use an ac electric motor without an ac outlet?
- There are other ways to use an AC electric motor other than by using utility AC power. They all involve using an AC outlet. A DC to AC inverter has an outlet on it to plug you AC loads into. An AC generator (use good ventilation) has an AC outlet on it to plug your loads into. If you are using 12VDC from a car battery then inverters are available at automotive parts stores, department stores, truck stops, etc. They come in different power rating and you should reading the power rating of your motor to determine which one might work. the rating might be in HP, VA, Watts or FLA. The inverters are usually in Watts KVA or KW. If the only rating you have is HP then you need to multiply the HP by 1000 to get VA. 1000 VA is the same as 1 KVA. Watts is similar to VA. 1000 Watts is 1KW. On larger motors there is a something called locked rotor current. This is the current that the motor draws when you first turn it on. It is often about 6 times the FLA. This can be a problem for your system because it may overload the inverter when you start the motor. If the motor does start then it may take a while to get up to speed. Once it is up to speed then at full load the current shouldn't be more than the FLA rating. I hope this helps.s
What is the principle of the single-phase AC motor in the washing machine?
- Single-phase AC motor principle: with single-phase capacitor type motor: single-phase motor has two windings, namely starting winding and running winding. The two windings are 90 degrees apart in space. A capacitor with large capacity is connected in series on the starting windingWhen the running winding and the starting winding pass through the single-phase alternating current, the current in the starting winding is 90 times higher than the current of the running winding in time by the action of the capacitor, and the maximum value is reached first. Two of the same pulse magnetic field is formed in time and space, so that a rotating magnetic field produces the air gap between the stator and the rotor, the rotating magnetic field, the induced current in the rotor current, and rotating magnetic field interact to produce electromagnetic torque, the motor rotation.s
Can you cycle a 480volt-AC motor On & Off 3,000 times a day and not destroy it?
- So you've got a lot of 480-vac machines cycling every minute and you're wondering if you can get a motor that cycles every 30 seconds? Sure. It is just part of the specs. There's a much higher amperage on start up and all of your machines do that frequently, so they must dissipate heat faster than some consumer grade product or anything not spec'd for frequent cycling. They have to have larger fins, cooling fans, or the vendor just derates some larger framed motor. Sure sounds like your vendor screwed up and is trying to cover his *** after the fact. How could he possibly think you'd want to be surprised by the delivery of a different motor? Sure, call out an alternative in the BID process. But DELIVER what was ordered, unless you've got an approved change order. The lack of reversibility sounds like yet another deviation from specifications and one that is very obviously less flexible, less desireable and non-compliant with the purchase order.s
Braking principle of 220V alternating current motor
- 1. the basic structure of three-phase asynchronous motorThe construction of three-phase induction motor is also divided into two parts: stator and rotor.(1) stator:The stator is the fixed part of the motor, which is used to produce rotating magnetic field. It is mainly composed of stator core, stator winding and frame.(2) rotor:The rotor is the main part of the rotor. There are two kinds of rotor, squirrel cage and wound rotor. Grasp their respective characteristics and differences. The squirrel cage type motor used for medium and small power (100k or less) is simple in structure, reliable in operation and convenient in operation and maintenance. Winding type can improve startup performance and speed regulation. The air gap between stator and rotor will affect the performance of the motor. The general air gap thickness is between 0.2-1.5mm.s
what is AC syncronous motor?
- a synchronous motor runs without slip on the phase angle, usually running at same hertz/rpm like in a clocks
Can i decrease the voltage to an AC motor?
- An industrial fan will be ok on the dimmer switch, as long as the dimmer is rated for that power. Check carefully to be sure that it is. This won't hurt the motor.s
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