running 480v machine on 380v
- Thread starter Emad
- Start date
They probably mean, "We will not support this unit operating on 380 volts." But it very well might work. If you were my customer, I would find a transformer to use. But if this were my machine, I would hook it up and see what happens.
This was the feedback of miller tech assistant
The original poster says that a transformer is not an option.
MTW
Senior Member
- Location
- SE Michigan
If you have a servicing dealer around you or the one it was purchased from, it might be worth a call to, to ask about having the CE filter added to the machine to make it compliant for your situation. Someone that works on the equipment, hands on, would likely be more knowledgeable on your situation. It's easy for a inexperienced desk support person to tell you NO, when they may not know themselves.
Clearly the portion of the manual that showed the CE filter for the Euro zone approved model, shows that it can be made compliant for CE use.
That servicing dealer would likely have access to a different factory support engineer that is more knowledgeable on the equipment, to give you a better answer as to what is required or why not, than just, no. Even if you obtained a transformer to use with it, that doesn't make it compliant for CE use.
getting a copy of the service manual with the schematics, may also shed some light on the differences between models.
Clearly the portion of the manual that showed the CE filter for the Euro zone approved model, shows that it can be made compliant for CE use.
That servicing dealer would likely have access to a different factory support engineer that is more knowledgeable on the equipment, to give you a better answer as to what is required or why not, than just, no. Even if you obtained a transformer to use with it, that doesn't make it compliant for CE use.
getting a copy of the service manual with the schematics, may also shed some light on the differences between models.
- Location
- Wisconsin
- Occupation
- PE (Retired) - Power Systems
He may not find a transformer that is exactly the ratio of 380:460, but he just has to get in the range. He may even have to use multiple autotransformers to get close. But it CAN be done
LarryFine
Master Electrician Electric Contractor Richmond VA
- Location
- Henrico County, VA
- Occupation
- Electrical Contractor
Excellent bandwidth for audio use.
It’s an induction heat treating machine. That’s the range of excitation frequency used by the induction coils. I’m no heat treating expert, but I suspect different frequencies are used depending on the target alloy, geometry and desired treatment.
That's the frequency range of the induction heater.
Exactly, So not so simple than your initial thoughts.
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Many thanks for everybody for the engagement.
Now I decided to use a generator by changing its excitation and control protection to work for 480v
Will this have any impact on the generator insulation withstand? Any concerns to consider for this transformation?
Sent from my iPhone using Tapatalk
Now I decided to use a generator by changing its excitation and control protection to work for 480v
Will this have any impact on the generator insulation withstand? Any concerns to consider for this transformation?
Sent from my iPhone using Tapatalk
That has nothing to do with the input. What are you talking about?
- Location
- San Francisco Bay Area, CA, USA
- Occupation
- Electrical Engineer
That's the output, not the input...
Yes I know that. But it is a complex system and is not that simple as Emad has explained.
- Location
- Wisconsin
- Occupation
- PE (Retired) - Power Systems
No it is not.
That equipment comes from the manufacturer in one of two input voltage, both rated for 50Hz. The item the OP has does not match the source voltage he has. The only way to make voltages compatible is with a transformer on the input, or the OP equipment needs to sold and the correct item purchased.
Um............................
"Hi Emad
This unit will not operate with 380VAC"
Seems pretty clear to me.
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This device is essentially a switch mode power supply. As long as you can get it to come on, the electronics inside will do whatever it takes to make the output. It is as simple as getting the input within a range that it will tolerate. If I couldn't get a new machine and I couldn't get a transformer that took me to the specs directly, I'd get whatever number of autotransformers as necessary to get close.
- Location
- Wisconsin
- Occupation
- PE (Retired) - Power Systems
Which is why he needs a transformer to raise his supply voltage or he needs to by a different model. What is complicated about these two options?
And that was the was the initial problem:
"A step up transformer with this ratio is not avaivlbe in the market"