Here is a sample of a recent email 'conversation' between a customer and myself. Do you have similar questions?Question:
I checked the specs of the motor, it is a 220V/Single Phase Cap start motor. The normal operating amp is 2.26Amp. (roughly 500W in power consumption). Do you have any converter that can drive this motor?
Which takes 220V/60Hz single phase and output to 220V/50Hz single phase? If you have it will you please send me a quote for a single unit? Thanks for your help.
Answer:
This motor is not recommended for speed control. You will have to change the motor over to a three phase motor and size an appropriate VFD to go with.
Question:
Now I’m looking at a different setup which takes 380V/3Ph/50H input and our power source is 220V/Single phase. The power requirement is about 5 KW. Do you have anything like this? If you do can you give me a quote? Thanks.
Answer:
We will be looking at boosting the voltage to 380 volt, single phase from 220 volt with a transformer. I have to have at least 380 to input into a 15 hp drive that would accept 380 three phase. By running a three phase 15 hp drive and using the single phase we develop from the transformer you will be able to run your 7.5 hp 380 volt three phase motor at 50 hertz.
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