P = U * I * 1,73 * cosPhi
P = U * I * 1,73 * cosPhi
Leo Howard
Other urls found in this thread:
Josiah Thomas
Where do I plug this in to get 5000 FPS in my shootan game?
Joseph Harris
You don't have to take your three phase motor apart to get to that equation
Nathaniel Jenkins
>shootan game
you have to use this!
Eli Martinez
I take everything apart!
Brody Evans
Nice dry core transformer
What's the input voltage and power of that thing?
Jeremiah Barnes
Sup Forums stands for consumerism. Please go back to /diy/ if you're actually posting technology and things that aren't cs cuck related.
Sebastian Lee
OP = F * A * G
Brody James
I don't know what input voltage and power is or does, sorry
Cameron Martinez
U1 = 3*400 V (D/Y) >< U2 3*680 V 4,2 kVA - S1
Jackson Young
>OP uploads some nice pics of motors taken apart
>doesn't know shit about basic electronics
Sup Forums - Technology
William Sanchez
But how to calculate powah for three phases?
Zachary Gonzalez
>1,73 instead of sqrt of 3
Disgusting.
Aiden Rodriguez
I don't give a shit about any of that. Just tell me the horsepower and RPMs.
t. chemical engineer
Sebastian Sanders
Brushes did nothing wrong
Christopher Gutierrez
>RPMs
The speed of an asynchronous three-phase motor is not a mystery, Mr. Chemical Engineer.
Christian Ross
>Brushes did nothing wrong
maybe
Benjamin Thomas
>performing needless function calls and FPU operations to obtain a constant
Oliver Jones
I did not find the sign for Quatratroot on my keyboard. That's exactly the reason. Are you surprised?
Chase Thompson
U eff = 4,44 * B max * A * f * N
Cameron Nguyen
That's a big motor
Wyatt Harris
I think it pretty how much more efficient electric motors and turbines have got over the years. Old power plants by just changing their turbines often get a 30 percent power increase.
Isaac Rivera
It is a generator.
3 * 400 V, synchr., 450 kVA;
Levi Bell
pic: n=0,78
Elijah White
Jacob Bell
I concur.
t. power plant operator
Cooper Brown
lurk the fuck moar before raging like a Sup Forumsedditor
Jaxon Cox
big enough?
Luke Sanchez
4u
Jose Gutierrez
Will this VFD drive work good with my 3 phase 4 pole 0.18kW motor?
I want it to run a small equipment lift with soft start/stop.
Anthony Roberts
>3 phase 4 pole
that's about 1450 RPM
>0.18kW Motor
for your hair dryer?
Do you want to steer the speed steplessly?
Elijah Carter
It should be able to ramp up and down the motor, right? Maybe I will need to add a braking resistor.
The lifted mass is max 15kg and it works trough 1:10 ratio worm gearbox.
Landon Lewis
>mass is max 15kg
>1:10 ratio worm gearbox
>0.18kW Motor
Basically yes, but I will not calculate that for you now.
The engine seems too small to me, but that can be deceiving.
Caleb King
i'd just like to interject for a moment. What you're referring to as 1,73, is in fact at least 1,7320508075688772935274463415058723669428052538103806280558069794519330169088000.
Owen Brown
Thanks for the confirmation, here are the calculations I have done. This is the real world system dimensioning for me.
Jeremiah Rodriguez
Look at the nameplate and look for "S".
Only S1 is for continuous operation.
What are you building?
Julian Nelson
>Look at the nameplate and look for "S".
Will do when I get to the site on Monday.
>What are you building?
An equipment lift, that will be carrying equipment and sometimes liquids. This is why soft start and stop is required.
It will be lifted using a winding drum and a line. It is only 3 meters tall. Once it reaches required position the worm gear should keep it in place. My current concern is if this 1:10 worm gear wont get back-driven by the load.
Brayden Howard
best thread on g right now
Gavin Jackson
Why do not you take a universal motor 230V? You can steer it much easier and cheaper infinitely.
Angel Johnson
What a boring thread lmao
Ryan Thomas
Thanks for watching.
Liam Campbell
Hmm, thanks for the tip, I will look into it.
Brandon Ross
With a universal motor and a phase control, you can easily and cheaply control speed / torque.
Simple sensors can be used to control start, 1st Rhombus, path, 2nd Rhombus and stop. Only very simple electronics are necessary.
Julian Sanders
I'm sad because I recently finished a two years course about automation and electricity and it seems I didn't learn shit about motors.
Chase Ortiz
You can not learn everything in 2 years. There are many different engines.
-
Do you know how a rotor power supply three-phase shunt motor works?
Caleb Parker
Same here. In uni I want to, for example, universal motors just got a small mention, it was all about 3 phase induction motors.
Looks like it is not easy to find suppliers of universal motors or their controllers here in Denmark, maybe I just need some sleep. Also I am not comfortable with soldering a custom controller for something that will be used in industry.
Anyways, the 3phase induction motor has already been bought, so I can just consider a possibility to use universal motor for future applications.
Thanks for the talk. Looks like there is a lot I could learn from you. Im off to bed now.
Alexander Young
crap, I wish I knew anything about this stuff. I only know the bare basics about mechanics/electricity
Asher Reyes
Got this for the 10th birthday. And was damned!
Brandon Brooks
The interesting thing I've found with school is that it's all old basic shit. For modern, in depth education, you'll need to research that shit yourself.
Thomas Brown
Try again. Most motors are 1800 rpm.
Ayden Lee
That's because universal motors are typically small and useless. 3 phase motors with a VFD feed are replacing the soft start circuits of the past due to the control the VFD's offer.
Colton Perez
>Quatratroot
Joseph Jackson
>not using an optimizing compiler
Elijah Morris
Zachary Lewis
ITT: script kiddies LARPing as engineers
Easton Johnson
Whats the purpose of the thing that stops by the end?
Michael Richardson
>posting random units and fake maths
is this another episode of "an electrician pretends to be an EE" again?
Christian Jenkins
The motor can't put out the required starting torque, so what is normally the stator is made to spin up first under no effective load, and then the roles of stator and rotor are reversed gradually.
Elijah Edwards
William Myers
Thanks, sounds cool for an electric engine.
Carson Foster
>the irony
Did I ever claim to be an engineer? You might have a problem with projection yourself, bud.
Brody Thompson
Stahlwille ratchet?
Andrew Jones
bump