It only takes a minute to sign up. I am trying to understand how the different wiring is changing the way the windings get current. I would guess that wiring for high voltage the motor would use all the windings and when wiring for low voltage it would only utilize half the windings.
But, wouldn't that would give the motor different performance and draw ratings depending on how it is wired? Can someone explain how the current is traveling in both the high and low voltage wiring scenarios? Where are the poles? Thank you! Incorrect - although you could if you only wanted half power. The answer is to connect the half-windings in parallel.
Note that in your second diagram T4, T5 and T8 are connected together forming a second 'Y' or star arrangement.
Then the outer terminal of each 'Y' is connected together. BUT the current in yy will be twice the current in y per phase.Cs61c berkeley reddit
Sign up to join this community. The best answers are voted up and rise to the top. Home Questions Tags Users Unanswered. How do 3-phase dual voltage motor windings work? Ask Question. Asked 2 years, 2 months ago. Active 2 years, 2 months ago. Viewed 7k times. Active Oldest Votes.See more about Home Wiring in the UK. How to Install Garage Electrical Wiring.Motor Connection Diagrams (Part 1 of 2)
Electrical Tools. Years ago I installed volt receptacles in a kitchen for a visiting military person. The equipment was ruined when they plugged them in and turned them on. Hi Dale, The compatibility of the electrical device will depend on a few factors which have been further explained in the original post.
Be sure to contact the manufacturer and check the specification label for electrical compatibility. The cycles or frequency here in the USA is 6ohz, while in Canada it is 50hz. I hope this helps, Dave. You must be logged in to post a comment. Get a Quick Reply! Ask an Electrician. April 30, at am. Log in to Reply. Dave Rongey says:.
Click here to cancel reply. How to Upgrade Home Electrical Wiring. Electrical Question about Reducing the Value of Ze. Estimated Time: Depends on personal level experience, ability to work with tools, work with electrical wiring, and the available access to the project area. Important: Modifying existing electrical circuits or installing additional electrical wiring should be done according to local and National Electrical Codes, with a permit and be inspected.Changing the operating voltage of a motor is just a matter of switching a few wires around on the motor's terminal plate.
By switching these wires, you change internal wiring for the run windings and the start windings from a parallel hook up for volts to a series hook up for volts. You should find the series and parallel connections on a diagram affixed to the inside of the terminal box cover. If you cannot, a Century AC motor wiring diagram for or volts can be found online. The wires are color coded, and the terminals are numbered.
Before doing anything else, turn off the circuit breaker to the motor's branch circuit at the service panel.
Tape the circuit breaker in the off position, then attach a note to the service panel informing others that you are working on the circuit.
Turn off the circuit breaker as a safety precaution, even if the motor has an on-off switch. Someone could accidentally flip the on-off switch on while you are working on the motor. Remove the screws securing the terminal cover plate to the motor's rear end bell. The motor's rear end bell is the end of the motor opposite the shaft end. Loose screws have a way of disappearing, so screw them back in their holes for safe keeping.
Once you have access to it, examine at the terminal board and locate the terminals marked 3 and 5. The next steps will depend on the voltage you're switching to. Connect the "Brown" motor lead to the 3 terminal for a volt hookup and to the 5 terminal for a volt hookup.
Then connect the Brown motor lead to the terminal appropriate for the line voltage being used with the motor. Next, connect the red and black circuit wires to terminals 1 and 5 for a volt connection.
120 and 240 Volt Motor Wiring
Alternatively, connect the "Black" and the "White" circuit wires to the 1 and 6 terminals for a volt connection. It does not matter which circuit wire connects to which terminal. With a volt branch circuit, both wires are hot wires derived from separates phases at the service panel, one from "A"-phase, the other from "B"-phase.
The "Black" wire is the "Hot" wire originating from either "A"- phase or "B"-phase at the service panel. The "White" wire is the circuit's "Neutral" or "Grounded" wire and connects to the panel's neutral bar. Once you've completed the switch, replace the terminal cover plate and turn the circuit breaker on. Based in Colorado Springs, Colo.Please provide the auto changeover scheme circuit between two DOL feeders whether i can also manually start any of two DOL feeders by selector switch. Waiting for your valuable reply.
A client has two motors which he wants to run them in two modes I, Manual mode Ii, Automatic mode. On the manual mode, motor A and motor B can be controlled separately by selector switch. On the automatic mode, motor A has to run for 3 minute then motor B comes on also.
Can you help me with the controlled diagram. Your email address will not be published. Show More. Related Articles. How to check Resistance for Wire and coil explain briefly Thankyou.
Keep up the great work. Thanks for a wonderful website. Can I reverse the rotation?
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Sign up for our eNewsletter now to stay in-the-know. We'll bring you the most relevant peer-to-peer conversations happening in the trade and tips and tricks to help you get the job done. Invalid email. This is required. Login to Your Account. Remember Me? Register Forgot password? What's New? Page 1 of 2 1 2 Last Jump to page: Results 1 to 20 of Thread: How do I wire up my drum switch? Thread Tools Show Printable Version.
How do I wire up my drum switch? I put a Baldor V, Single phase motor in the lathe model LT which is a drop in replacement having very similar specs to the original 3 phase motor.
The wiring diagram on the motor is shown here. Note that there are 7 different wires coming out of the motor. The only way that I can think to wire it up is shown below. Motor leads 2 and 3 would be connected together right at the motor.Should I wire my motor for volt or volt?
How to Wire a 110V & 220V Motor
The advantages of wiring a volt motor for volts. Application: Wiring an Electric Motor. Estimated Time: Depends on experience with electric motors. Precaution: Electric motors are best serviced by an experienced electrician or knowledgeable technician. Changes in the wiring of an electric motor should only be made after the electric motor circuit has been identified and turned OFF and Tagged. Electrical Wiring.
See how electrical outlets for the home are wired.
There is no wiring diagram. There are 6 leads, all the same color. They do have numbered clip, 1, 2, 3, 4, 8, 8. What is the connections to run on volts. I would suggest visiting the Google Groups page where there is some discussion about Robbins Myers motor wiring.
What if I have two v motors which operate at 14amps? I cannot run them on a single 20amp circuit. However, I have a volt 4 wire circuit which can handle much more amperage. If I was to wire one pole of each motor to the neutral and the remaining pole each to a separate hot wire Having two v powers from one circuit would that power each motor and not bust the amperage limit? Also, will there be any back-EMF effects through the neutral which is shared? Hi Timothy, Using a multi-wire 4wire circuit for two volt motors would depend on the type of motors that would be connected and the application.
However, due to the amperage of the volt motors as described, and the possibility of overloading a shared neutral it would be best to install two separate circuits, one dedicated circuit for each motor.
I am replacing the unit with a volt EC motor. Can I use the existing wiring circuit use one leg to power the new equipment? Did not want to increase customer costs with new volt circuit home run. Hi Ed, If the existing circuit is dedicated, and the amperage is within the specs of the new motor then it can be converted to be volt at the panel and at the motor connections. However, you should understand that the volt motor will require more amperage, and this may affect the performance of the unit.
In cases such as this it is best to replace the motor with one of the same specs to make sure the unit is left in OEM condition.
This may keep you out of a potential problem with the customer in the future, plus you will not have to make any wiring changes. You must be logged in to post a comment. Get a Quick Reply!
Ask an Electrician. July 6, at pm. Log in to Reply.Harry hook tumblr
Dave Rongey says:. July 12, at am. Timothy says:.
UK 220 Volt Electrical System
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What's New? Page 1 of 2 1 2 Last Jump to page: Results 1 to 20 of Thread: Wiring a single phase motor to drum switch.
Thread Tools Show Printable Version. Wiring a single phase motor to drum switch My question isn't about phase conversions but i figured this board had the most knowledgable electricians. I converted my Rockwell mill to a single phase motor years ago.
I have been running it with the original drum switch turning in one direction CCW. I would like to wire it to reverse also.
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