How to Connect an AC Brushless Motor to a Transformer?

How to connect an AC brushless motor to a transformer?

How to Connect an AC Brushless Motor to a Transformer? 1

You need to identify the motor. What are the nameplate ratings. A brushless motor implies a DC motor with electronic power supply that uses 3 windings, white similar to a small AC generator. Used in video recorders etc. An AC motor without brushes is usually some sort of induction motor, with a squirrel cage rotor. It could be a 3 phase motor (usually bigger) or a single phase motor with some provision for a phasing capacitor or starter switch or klixon. All these can be used as generators in some way, and if the RPM is right they will generate voltage similar to their motor voltage. Induction motors need excitation by using capacitors or connecting to a supply. that both excites and receives the output. If it is a shaded pole motor it will be a little disappointing. A transformer would boost the voltage assuming it is designed for the frequency of the generator and the voltage and power levels involved. Look up the motor types and you may find explanations and pictures that help you identify the motor type, and size. This activity has the potential to be hazardous, but I have no idea exactly what it is you intend to do. It makes sense to get someone knowledable to supervise the activity to make sure you are not at risk.

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Can a motor say a brushless motor, run a bigger alternator with some configuration like gearing ratios, so that the alternator will produce more power needed to run the motor?

Q: Can a motor say a brushless motor, run a bigger alternator with some configuration like gearing ratios, so that the alternator will produce more power needed to run the motor?nA: Of course it canu2019t.Can a motor say a brushless motor, run a bigger alternator with some configuration like gearing ratios, so that the alternator will produce more power needed to run the motor?

How to Connect an AC Brushless Motor to a Transformer? 2

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How to control a brushless motor?

You can control brushless motors 2 ways

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will blocking the output of a dc 12 volt brushless motor hurt it or make it get hot and burn up?

It all depends.a fully blocked (Stalled) DC brush motor will generate heat and eventually fry. Some do it quick, some take time. I have seen BLDC motors self proctect with thermal cutoffs and current monitoring in the software of the motor itself or the driver circuit.

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predicting brushless motor rotation direction?

I've asked this on rcgroups as well, and it seems there's no way other than experimenting. If you had a similar bunch of motors and speed controllers that were manufactured identically, then it would be possible to experiment with one motor/esc set and apply the discovered rotation to the other motors and controllers

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How would I turn a brushless motor into a alternator/generator?

A brushless motor can not be used as a generator. I am not going to explain why, since all that matters is that it wo not work.

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Brushed or Brushless Motor: What's the Difference?

The biggest difference between brushed and brushless motors, unsurprisingly, is the brush. Otherwise, the principle behind the internal workings of brushed and brushless motors are much the same. As the motor windings energize, it creates a temporary magnetic field to repel or attract permanent magnets. This magnetic force is converted to shaft rotation, allowing the motor to do work. As the shaft rotates, the electric current is routed to different sets of windings. This maintains electromotive repulsion or attraction, forcing the rotor to continually rotate. The use of brushed DC motors began in 1856. Today, electrical propulsion, cranes, paper machines and steel rolling mills all use brushed motors. One problem with brushed motors is that the brushes wear down and require frequent replacement. Brush wear became a significant drawback as application demands increased and high-electric discharge noise became an issue. Hence, a new motor was born.the brushless DC motor. Brushless DC motors use electronic speed controller devices and quickly displaced brushed motors for many applications. Advancements in solid state technology in the early 1960s resulted in the invention of the first brushless DC (BLDC) motor in 1962. T.G. Wilson and P.H. Trickey called it a "DC machine with solid state commutation." The key element of the brushless motor is that it requires no physical commutator, making it the most popular choice for computer disk drives, robotics, and aircrafts. Brushless DC motors, with no brushes to wear out, represent a huge leap forward in technology. They also provide significantly higher efficiency and performance. They also offer a lower susceptibility to mechanical wear than their brushed counterparts. • Elimination of ionizing sparks from the commutator (ESD) Despite their reliability, the initial downside to early brushless motors was that they could not generate a great deal of power. When better permanent magnet materials became available in the 1980s, they enabled brushless motors to generate as much (or more) power as the previous brush motors on the market. In the late 80s, Robert E. Lordo built the first large-scale brushless DC motor with ten (10) times the power of the earlier brushless motors. Today's brushless motors solve many limitations of brushed motors by combining a higher output power, smaller size and weight, better heat dissipation and efficiency, wider operating speed ranges, and very low electrical noise operation. Brushless motors have no electrical contacts designed for wear, providing the greatest advantage in reliability and reduced maintenance intervals for commercial and industrial applications. Designed and engineered in the United States, KDE Direct's brushless motors provide best-in-class power, performance, and efficiency. The KDE Direct UAS Multi-Rotor Brushless Motor Series presents high-quality and engineered motors specific for multi-rotor and UAS applications. The series was designed to provide market-leading performance and zero-vibration operation for hours of maintenance-free usage and market-leading performance.

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