Yes, but it’s a star point, not negative. Negative is for DC.
start point... the 3 phases should cancle each other out there, so it's essentially negative, or ground, or whatever you want to call it, it's 0V
Yes, but it’s a star point, not negative. Negative is for DC.
What @Guineafowl is telling you is still correct. There is no negative, or neutral, or 0v on the output side of your inverter. And depending how it generates the DC for the thermistors DC Link, connecting to the mains power (input) neutral could likely prove disastrous.start point... the 3 phases should cancle each other out there, so it's essentially negative, or ground, or whatever you want to call it, it's 0V
Oh, are you starting with 3 phase mains?
Yes, 0V for a balanced load, but could be other voltages (quite happily driving a neutral current) if not.start point... the 3 phases should cancle each other out there, so it's essentially negative, or ground, or whatever you want to call it, it's 0V
What @Guineafowl is telling you is still correct. There is no negative, or neutral, or 0v on the output side of your inverter. And depending how it generates the DC for the thermistors DC Link, connecting to the mains power (input) neutral could likely prove disastrous.
But if you just star the three fan motors, you’ll only have 240V across two, so 120 odd volts on each one.
Oh, are you starting with 3 phase mains?
Other folk have mentioned some of the potential issues with the electrics.
Fan physics are "interesting" and you need to be aware of the "fan laws"…..
*Flow varies linearly with speed.
Pressure varies as the square of the speed.
Power varies as the CUBE of the speed.*
If the fan is dual-rated for both 50Hz and 60Hz, you should be ok to increase the speed to 60Hz. The flow will increase by 20%, but the power will increase by 72.8%. Anything more and you really ought to get hold of the fan curve (pressure Vs flow and power graphs, hopefully for different speeds) to see how much headroom you have.
Flow varies linearly with speed.
Pressure varies as the square of the speed.
Power varies as the CUBE of the speed.
increase the speed to 60Hz. The flow will increase by 20%, power will increase by 72.8%
There are lots of copies/rebadged versions of the huanyangs now, but there are also more basic inverters around that have pretty minimal setting options. IIRC they have under 20 settings, as they're only aimed at pretty basic setups.The Huanyangs don't seem to be much better than most of the other cheapies once set up, but they do have a manual that is "not too bad", where the others I've used have properly dire documentation. I've used enough VFDs at work that I can generally suss out what needs doing with a dire manual, a bit of time and a lot of cussing. If it's all new to you, that might not be the case and the frustration may not be worth the cost saving.