Here, everything is in the title.
I may need three-phase for a large consumer, like 4-6 kW, and not really want to change everything.
https://fr.aliexpress.com/item/10000403690528.html
I saw that....
Feedback from experiences?
Opinions ?
Who would have already used a VFD inverter to simulate three-phase from 220V?
Who would have already used a VFD inverter to simulate three-phase from 220V?
0 x
hmmmmm, hmmmmmmmmmmmmm, hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhmmmmmmmmm, huh, hmmmmmmmmmmmmm.
Re: Who would have already used a VFD to simulate three-phase from 220V?
I did not know the product.
but it could work, the system probably acts as a phase shifter at +/-120° from the mains single-phase sine
but it could work, the system probably acts as a phase shifter at +/-120° from the mains single-phase sine
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Re: Who would have already used a VFD to simulate three-phase from 220V?
Prizes!!
Me me me (finally in a few hours I will have used it lol)!
Uh is this a joke?
Or a hell of a coincidence...I just received one yesterday: self-construction-and-do-it-yourself/renovation-and-aerodynamic-improvement-of-a-closed-trailer-bpw-t17276-290.html#p508814
I'm going to configure and test it this morning...
It's a 220 - 220 three-phase model...I only intend to wire one pair on the output...to start...
Me me me (finally in a few hours I will have used it lol)!
Uh is this a joke?
Or a hell of a coincidence...I just received one yesterday: self-construction-and-do-it-yourself/renovation-and-aerodynamic-improvement-of-a-closed-trailer-bpw-t17276-290.html#p508814
I'm going to configure and test it this morning...
It's a 220 - 220 three-phase model...I only intend to wire one pair on the output...to start...
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Re: Who would have already used a VFD inverter to simulate three-phase from 220V?
What is not stipulated in the characteristics of the product at ali ... It is the duration of continuous operation, and the consumption of the drive ...
I have on my job a drive for a large vacuum pump (55kw) it must be continuously evacuated 3kw; in winters it heats the room in which it is located to 25°... In summer, the room has to be air-conditioned like idiots...
And there will be no miracle When you want to get 4kw out of it in sorting it will theoretically consume 7 of them in one phase... And I would say rather... 8 to 8.5...
If it's for occasional use like a lift or compressor... why not... If it's to charge your EV, mount your box outside on a pole far from everything
I have on my job a drive for a large vacuum pump (55kw) it must be continuously evacuated 3kw; in winters it heats the room in which it is located to 25°... In summer, the room has to be air-conditioned like idiots...
And there will be no miracle When you want to get 4kw out of it in sorting it will theoretically consume 7 of them in one phase... And I would say rather... 8 to 8.5...
If it's for occasional use like a lift or compressor... why not... If it's to charge your EV, mount your box outside on a pole far from everything
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Re: Who would have already used a VFD inverter to simulate three-phase from 220V?
Macro wrote:What is not stipulated in the characteristics of the product at ali ... It is the duration of continuous operation, and the consumption of the drive ...
I have on my job a drive for a large vacuum pump (55kw) it must be continuously evacuated 3kw; in winters it heats the room in which it is located to 25°... In summer, the room has to be air-conditioned like idiots...
And there will be no miracle When you want to get 4kw out of it in sorting it will theoretically consume 7 of them in one phase... And I would say rather... 8 to 8.5...
If it's for occasional use like a lift or compressor... why not... If it's to charge your EV, mount your box outside on a pole far from everything
I have the manual in front of me, not too badly done for Chinese, there are even color photos... but there is no overall performance specified!
But if you have 3 kW of losses for 55 kW of motor power (= 55 / 0.8 = 69 electrical kW roughly speaking or 55 kW is the consumption or max power of the drive?)... that's 95.7% efficiency. ..if it's 55 kW electric then you have 94.5% efficiency...in both cases it's pretty good!
So disagree on your input power calculations... there will be a few % more...
For the lifespan, the manual speaks of changing the capacitor after 30 hours!
Well I started mine...it's my barre I have 550 V AC between 2 output phases (and it doesn't change much depending on the frequency...from 50 to 400Hz)...so I will test on an old half HS circulator...
Shit, I need to find my true RMS multimeter...
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Re: Who would have already used a VFD inverter to simulate three-phase from 220V?
I wouldn't call it a failure, it just didn't work!
The circulator does not start and I still have 320V at its terminals...on the unwired phase it is still 550V...at 50 Hz...I checked the reference, it is indeed the correct one. I thought it was a 380V output suddenly...
Vevor A2-8022: it is a single and three-phase input model...
Some pages of the manual including the wiring diagram:
So I don't think we can use this thing by wiring only one phase... It must have internal electronic security...
The circulator does not start and I still have 320V at its terminals...on the unwired phase it is still 550V...at 50 Hz...I checked the reference, it is indeed the correct one. I thought it was a 380V output suddenly...
Vevor A2-8022: it is a single and three-phase input model...
Some pages of the manual including the wiring diagram:
So I don't think we can use this thing by wiring only one phase... It must have internal electronic security...
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Re: Who would have already used a VFD inverter to simulate three-phase from 220V?
Ours is used to increase the speed of a pump by running it at 60hz instead of 50... I don't have the power curve of the motor, just the power at 60hz of 55 Kw... But hey, everything I can say.. It's that the drive is heating up.... To cool the cabinet (the cable trays had melted) we had to install a 200W fan on it '
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Re: Who would have already used a VFD inverter to simulate three-phase from 220V?
We already knew that!
Have you seen his trailer?
Have you seen his trailer?
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Re: Who would have already used a VFD inverter to simulate three-phase from 220V?
I found these 2 threads related to this question:
electricity-electronics-computer/frequency-variator-for-single-phase-motor-t9944.html
electricity-electronics-computers/making-three-phase-with-monophase-de-l-aide-stp-boubka-t10527.html
There are surely others ...
electricity-electronics-computer/frequency-variator-for-single-phase-motor-t9944.html
electricity-electronics-computers/making-three-phase-with-monophase-de-l-aide-stp-boubka-t10527.html
There are surely others ...
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