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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)
What happens if the high and low speed wires are switched on a 3 phase motor?
I am guessing that what you are talking about is a two speed motor. The motor should have 6 wires coming out of it. There are two complete sets of three phase windings for each speed. Look on the motor name plate for the wire numbers or sometimes on the inside of the motor junction box. A 2 speed 6 lead motor should have the following markings, 1U 1V 1W for slow 2U 2V 2W for fast. Also check for the two different amp draws for each winding. These types of motors should be run from a reversing type contactor assemble so that individual overloads can be used on each of the high speed windings and on the low speed windings.
How fast is 234cc?
In motor bike wise it's a decent size / speed motor
how fast is the fastes speed?
It is a 0.9 horsepower motor and can crush ice in secodns with the fastest speed.
How fast does a Speed Racer RS motor go?
25mph/40kph
What temperature will an object go from a solid and a liquid?
There is no fixed speed for the transition of a substance from the solid phase to the liquid phase. The maximum speed this can happen at is the speed of light as this is how fast the energy can be transferred to a molecule, and there is no minimum speed. Some substances do not melt into a liquid. Instead they make the transition straight from solid phase into gas phase, and this is called sublimation.
How fast is a 2 speed motor on a RC truck?
55-70 mph
What is motor shaft speed?
Motor shaft speed refers to the rotational speed of the motor's output shaft in revolutions per minute (RPM). It indicates how fast the motor is rotating and is a key parameter in determining the mechanical power output of the motor. Motor shaft speed is influenced by the frequency of the electrical power supplied to the motor and the motor's design specifications.
Is it correct to use the Fast fuses for one three phases Induction motor start up?
No, if anything motors need time delay fuses in the start up phase of their rotation. The motor will draw up to 300% of their full load amperage. Time delay fuses get the start up current past this phase of start up.
How supply takes the dc series motor in the train?
fast start low speed
What does Quileute tribe do to move around?
Phase into Werewolves and run around, They also have speed as an instint but not as fast as the cullens
How fast is 25000 RPM motor?
Err... 25,000 revolutions per minute? A revolution is a full turn. It depends on where the motor is to get a speed: if it's in a tiny R/C car, fast. A jackhammer, slow.
