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Well, you could, but port is not good in a motor so it's probably not a good idea.

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12y ago

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Speed control of motor using SCR?

An SCR chip is commonly used to control the speed of a motor. The speed is controlled using an AC circuit and phase angles.


Can a single phase motor be wired to a three phase soft start?

No, a single phase motor cannot be directly connected to a three phase soft start. A single phase motor requires a single phase power supply, while a three phase soft start is designed for three phase motors. Using the correct soft start for the motor type is essential for proper operation and protection of the equipment.


What motor gets more heated single phase or three phase?

Your question is a little like asking, 'How long is a piece of string?'! Do the two motors have the same power rating, or are they different?The rate at which energy is used by any machine is defined by its power rating. If the power ratings of two different machines are the same, then both machines use energy at the same rate. So if a single-phase motor has the same power rating as a three-phase motor, then they will both use exactly the same amount of energy over a given period of time.So, if a single-phase motor has a greater power rating than a three-phase motor, then the single-phase motor will the greater amount of energy in a given period. On the other hand, if a three-phase motor has a greater power rating than a single-phase motor, then the three-phase motor will the greater amount of energy in a given period.


Single phase to three phase conveter for driving three phase motor using single phase?

This inverter is the cheapest and always available from famous vendors like ROCKWELL ,ABB, SIEMENS ,SCHNEIDER ELECTRIC....etc .


How do you reduce the speed of a 15 kW 3 phase motor without using variable speed control?

If the load is connected to the motor via belts, you can change the speed the load is turning by changing the pulley sizes. To get the load to slow down, increase the size of the pulley on the load; to get it to speed up, increase the size of the pulley on the motor. To reduce the speed of the motor itself, you'll have to alter the line frequency, which you can't do without a variable frequency drive attached to the motor.


Can a 3 phase motor be converted into a single phase motor?

A three-phase motor will not start if one or two phases aren't connected. If while running one or two phases "drop out", it will continue to run for awhile, but will eventually burn out, unless connected to a motor saver.


You found a 220volt coil on a 3 phase motor contactor and the one side of the coil is feed from B phase and the other side is also feed from B phase it would not pull in the contactor?

your not completing the circuit your only using one phase for a three phase motor


How to change the speed of a three phase motor?

A typical 2 speed three phase motor will have 6 leads on the motor windings which will require 3 contactors to incorperate both the "high" and the "low" speeps. Inorder for the motor to run on "low" speed you need to have a contactor (c1) that pulls in for the L1, L2,L3 leads... that should achieve the "low" speed of the motor.. To achieve the "high" speed you will need a contactor (c2) to shun or short L1,L2,L3 together... and another contactor (c3) to pull in the L4,L5,L6 leads... to recap ... Low speed will requrie c1= L1,L2,L3 powered by phase 1, phase 2, phase 3 of the primary source voltage. High speed requires c2 to short or shun L1,L2,L3 together while c3= L4,L5,L6 to be powered by Phase 1, Phase 2, Phase 3 fo the primary source voltages. Be sure to check for proper rotation of the motor and by reversing any 2 leads of the primary source voltage you will change the rotation for the motor. This can also be done using two contactors by having L1,L2,L3 connected to the first contactor and also the additional contacts mounted on top of the second contactor. L4,L5,L6 are connected to the second contactor. The important thing to remember is to use an interlock which fits into both contactors when they are clipped together. This stops both contactors operating at the same time!!! ( the additional contacts mount on top of a contactor and are mechanically connected to it so that they act together)


Convert single phase to three phase formula?

One common method to convert single phase to three phase power is by using a rotary phase converter. The rotary phase converter works by using a single-phase power source to generate a third phase, creating a balanced three-phase output. It typically involves using capacitors and an electric motor to create the additional phase needed for three-phase equipment.


Why does a 3 phase motor turn slowly?

An induction motor relies on low-frequency currents induced in the rotor by the difference in speed between the rotor and the rotating magnetic field. At sychronous speed the induced current is zero therefore the torque is also zero.


When 460 vac 3 phase motor can drive by 380 vac 3 phase?

A 460 VAC three-phase motor can be driven by a 380 VAC three-phase supply, but this may result in reduced performance. The motor may operate at a lower voltage, leading to decreased torque and efficiency, and it might not start under load. Additionally, the motor could experience overheating if it is not rated for such lower voltage operation. It's crucial to consult the motor's specifications and consider using a step-up transformer for optimal performance.


How would DC be obtained from a three phase supply?

By using a three-phase rectifier.