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Old November 24, 2007   #13
dcarch
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Quote:
Originally Posted by svalli View Post
I'm avoiding any kind of equipment, which uses the mains frequency as a clock signal. ----I have worked with AC drives (frequency converters for 3-phase motors) almost 20 years, so converting 50 Hz to 60 Hz could be done, but it is not needed for most household equipment.
Electric exhaust fans have mostly induction type motors, therefore they will run slower at 50 Hertz. Make sure you have enough CFM.

Quote:
Originally Posted by svalli View Post
-- We have a solar cell, which could run a 12V fan, so it would make the fan run, when needed at the hottest days.
Generally, 12V fans which can run on solar cells are too low powered to give enough CFM, and unless you have storage batteries, you cannot depend on solar power.

Quote:
Originally Posted by svalli View Post
Both me and DH are electrical engineers, ----
So what do the two of you talk about at the dinner table?

dcarch
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