'artificial' load on electric motor???
'artificial' load on electric motor???
(OP)
Hey all, I've got an electric motor in house that I need to test for a period of a couple days and am looking for a way to load it down. We've all thought of some sort of fly wheel or fan but thought maybe some of you have had success with other ideas, ie braking systems, gear boxes, etc.
Any and all ideas are welcome.
Thanks!!
Any and all ideas are welcome.
Thanks!!





RE: 'artificial' load on electric motor???
Fan would be fine.
RE: 'artificial' load on electric motor???
For short duration test a pony brake works very well so long as it stays cool.
Hooking the motor to an oversize gearbox would work under driving the box.
There are continuous duty hysteresis brakes on the market. This would be viable if this not a one off test.
RE: 'artificial' load on electric motor???
RE: 'artificial' load on electric motor???
RE: 'artificial' load on electric motor???
RE: 'artificial' load on electric motor???
RE: 'artificial' load on electric motor???
rmw
RE: 'artificial' load on electric motor???
I made a brake once with some string and some weights. I think I had a flanged pulley to keep the string in place.
RE: 'artificial' load on electric motor???
"Unmanned" testing overnight => Murphy's Law of guaranteed failures (fire, flooding, feast or famine) at the worse possible time.
RE: 'artificial' load on electric motor???
A paddle stirring a bucket of water is nice because you can adjust the load by increasing or decreasing the water in the bucket. With a fan, have to change fan sizes.
Of course, speed matters. If you're spinning at 5000 rpm water is pretty much out of the question. Imagine the mess, eh?
RE: 'artificial' load on electric motor???
Or just change the restriction.
RE: 'artificial' load on electric motor???
RE: 'artificial' load on electric motor???
I do something simular to keep a constant test load on items. It's down and dirty, and hard on the valve, but it's cheap.
RE: 'artificial' load on electric motor???
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If we learn from our mistakes I'm getting a great education!
RE: 'artificial' load on electric motor???
Adriaan.
I am a Mechatronics Engineer from South Africa.
www.martin-electronics.co.za