Single phase Induction Motor / Capacitor start capacitor run motor / Best video for you to learn.!😍💪

[@ElectroAcademyEA]

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[@c5x6xserx11z1uxse]

FINALLY I UNDERSTAND THE ROLE OF CAPACITOR IN THIS SCENARIO

[@ElectroAcademyEA]

Thank you

[@rajeshametikala1490]

nice explanation

[@ElectroAcademyEA]

Thank you

[@neail5466]

Great work, loved it.

[@ElectroAcademyEA]

Thank you

[@RiddleRush-01]

finally, I catch it! thank you sir

[@ElectroAcademyEA]

Thank you

[@DA-lq9kp]

What will happen if we use an inductor in place of a start capacitor in single phase induction motor? How could we get an inductor to work as a starter. I would love to see a video answering my question--I believe that this may aid my understanding of both capacitors and inductors.

[@carultch]

The reason we don't do that in practice, is that capacitance is significantly cheaper than inductance, per unit of energy storage. So usually when a design is indifferent to a capacitor vs an inductor, the capacitor is preferred. Another reason: the motor winding itself has inductance, which is especially evident at startup. You get a much more significant phase shift by pairing the motor winding with the opposite kind of reactive element, than you would get pairing it with the same kind of reactive element.

[@DA-lq9kp]

Super--thank you@@carultch

[@ElectroAcademyEA]

If you replace the start capacitor with an inductor in a single-phase induction motor, the motor likely wouldn't start due to the wrong phase shift. The inductor would delay the current in the start winding, preventing the creation of a proper rotating magnetic field. To make an inductor work as a starter, you'd need to redesign the motor entirely, but capacitors remain the preferred choice for most applications because they provide the correct phase lead needed for efficient motor startup.

[@DA-lq9kp]

@@carultch Thank you!

[@clenosaptyltd1980]

So it means the starting capacitor is bigger than the run capacitor right?

[@ElectroAcademyEA]

Yes

[@lovingit699]

No. I my AC I have 2 x 3uf start capacitors, and the run capacitor is 50uf. But the 3uf caps can be cycled much quicker than the larger one. Lower capacitance means it fills quicker and dischargers quicker. With a start capacitor you're not dumping power like you would in a DC circuit, you're initiating a phase change, So those start caps aren't just dumping once, they're being charged and discharged thousands of times until the motor comes up to 75% of it's speed.

[@leejohnson197733]

So I have a fountain and capacitor is blow, but wiring doesn't look correct as it has 3 connections from the capacitor but the drawing shows no live feed to the capacitor? Just a neutral in and 2 outputs. Is this correct? Single phase motor

[@ZSec-ei4bv]

how can some ceiling fans revert its direction? What is the logic behind the magnetic fields and capacitors that allow this?

[@ElectroAcademyEA]

Purpose of the capacitor of a ceiling fan is to create a phase shift between the currents in different windings, generating the necessary rotating magnetic field to spin the rotor. When reversing the fan's direction, the fan motor needs to change which winding is leading in terms of current. By altering the current flow through the windings achieved via an internal switch or control mechanism, the phase shift caused by the capacitor is effectively flipped. This will change the direction of the magnetic field and makes the fan to rotate in the opposite direction.

[@JeffMTX]

A capacitor is a two terminal thing whose current through it is proportional to the rate of change of the voltage across it. That is , I= C* dv/dt. C just happens to be the “capacitance”. dv/dt is nothing more than the SLOPE of the voltage curve :)

[@ElectroAcademyEA]

Thanks for your comment

[@canalcaian2268]

Hello! Please! Would someone explain me how can the voltage be synchronized with current on principal coil? The coil reactance doesn't make current be late compared to the voltage? Thanks...

[@ElectroAcademyEA]

In an inductive coil, the current naturally lags the voltage due to the coil’s inductive reactance. To synchronize voltage and current (reduce the phase difference), you can add a capacitor to the circuit, which introduces capacitive reactance. This capacitive reactance can counteract the inductive reactance, bringing the voltage and current more in phase. This technique is commonly used in power factor correction to improve the efficiency of systems with inductive loads.

[@robinfrancis789]

Hi there...great video....but tell me...is this a 2 Pole or 4 Pole motor?...

[@ElectroAcademyEA]

The pole classification is based on the total number of magnetic poles created by all windings (run and start) in the stator, regardless of how long the start winding is connected. However, when the motor is running, the rotational speed is determined by the number of poles in the run winding and the frequency of the AC supply.

[@heronimousbrapson863]

So basically, a capacitor start capacitor run motor runs as a two phase motor all the time, both when starting and when running.

[@ElectroAcademyEA]

Yes.

[@yusufronco]

Why is it always the videos with the crazy AI voice that explains it the best?

[@ElectroAcademyEA]

Concentrate on the content.

[@andreamoses6248]

Sorry sir why starting capacitor is dead many times?

[@ElectroAcademyEA]

Capacitors also have a general lifetime. However, If you connect a capacitor of acceptable brand with correct capacity, it will last longer.

[@emmanuelmarope9391]

A start capacitor always worn out due to on n off it endures when motor is starting n it's subjected to high current on start up of motor LRA.

[@bonifacekiprono2307]

Correct when you starting motor require high current

[@TG-ok4ty]

Cap should be on the RUN winding, not the start winding.

[@ElectroAcademyEA]

In single-phase induction motors, the capacitor can be connected to either the start winding or the run winding, depending on the type of motor and its design. Capacitor on the Start Winding is the Most Common type. This configuration is typical in capacitor-start induction motors and capacitor-start capacitor-run motors. In these motors, the capacitor is connected to the start winding, which is only engaged during the start-up phase of the motor's operation. If you are focusing on starting torque and the capacitor is meant to help the motor start, it should be connected to the start winding. However If you are focusing on running efficiency and the capacitor is meant to improve the motor's performance during operation, it should be connected to the run winding.

[@Engineeringwithabhi]

🤡🥴🤪🤥😵‍💫

[@ElectroAcademyEA]

Thank you