Charles,
47 Hz is a bit silly, since no power grid in the world uses this
frequency. Perhaps a private motor generator ... But if you are using a
switching power supply, the input frequency is not usually important.
However, 90 V is reasonable. Some countries, like Japan, have a nominal
voltage of 100 V, so you would be expected to operate normally at -10% (at
least). In fact, Std. 950, and others, require testing at -10%.
Cheers,
Egon :-)
At 03:59 PM 03/11/1999 , you wrote:
Hello standards sages..
We have a product that "stumbles" when the input voltage/freq
is 90V/47Hz.
My question is..
Is this a reasonable test combo? Does anyone know of
a country that falls in this range?
__________________________________________
Egon H. Varju, PEng
E.H. Varju & Associates Ltd.
North Vancouver, Canada
Tel: 1 604 985 5710 HAVE MODEM
Fax: 1 604 273 5815 WILL TRAVEL
E-mail: e...@varju.bc.ca
var...@csa.ca
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