Trying to set up heater to send to Malaysia
Trying to set up heater to send to Malaysia
(OP)
We have a heat treat oven that we want to send to our Malaysia facility. It is powered by 240v 60hz to buck-boost transformers that change it to 210v which then goes to another transformer that makes it 100v to each leg of the heating coils. I was looking at getting a large enough VFD to switch Malaysia power (415v 50hz) to 240v 60hz to run the machine. There are no motors but there is old temperature meters that still are using tubes. Will this work?





RE: Trying to set up heater to send to Malaysia
Hopefully someone else will be along to answer your actual question.
RE: Trying to set up heater to send to Malaysia
RE: Trying to set up heater to send to Malaysia
RE: Trying to set up heater to send to Malaysia
RE: Trying to set up heater to send to Malaysia
But also I think it would be prudent and most likely less expensive to change out the old controller than to add a VFD just for that device. if not, how about a small static frequency converter just for that device's power feed, leaving the rest to run on 50Hz?
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RE: Trying to set up heater to send to Malaysia
You're correct that the heating coils don't care about 50 vs. 60 Hz. But all those high power (?) transformers designed for 60 Hz (?) aren't going to like 50 Hz. They'll run hotter. Perhaps much hotter.
jref: "Transformers as a rule do not like PWM..."
Running low on options...
RE: Trying to set up heater to send to Malaysia
RE: Trying to set up heater to send to Malaysia
Fast forward 50 years or so; trash the tube type controller and buy a cheap, modern temperature controller.
Bill
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