Re: 50 hz nst

["Tesla list" <tesla-at-pupman-dot-com>]

Original poster: "davep by way of Terry Fritz <twftesla-at-qwest-dot-net>" <davep-at-quik-dot-com>

Tesla list wrote:


> Would the output voltage then be 16% more,


	Why?
	Output voltage is set by turns ration (principally).
	Turns ratio is unchanged by changing the applied
	frequency.

> as current and voltage are tied together?


	How?
	As noted, current varies with reactance, and the
	influence of THAT varies with frequency.  Voltage
	varies with turns ration (mostly).

	(And all this is for a 'simple transformer': if this
	is Actually a 20 KHz switching PSU pretending to be a
	transformer... then it gets more complicated.)


>>-----Original Message-----
>>From: Tesla list [mailto:tesla-at-pupman-dot-com]
>>Sent: Saturday, May 11, 2002 3:38 PM
>>To: tesla-at-pupman-dot-com
>>Subject: Re: 50 hz nst

>>Original poster: "Jim Lux by way of Terry Fritz
>><twftesla-at-qwest-dot-net>" <jimlux-at-earthlink-dot-net>

>>It will work just fine, just the input and output current will be 16% less
>>than name plate.. (because the current is limited by inductance, and the
>>reactance of the inductance varies linearly with frequency... higher
>>frequency, more reactance, less current...)

>>----- Original Message -----
>>From: "Tesla list" <tesla-at-pupman-dot-com>
>>To: <tesla-at-pupman-dot-com>
>>Sent: Saturday, May 11, 2002 11:35 AM
>>Subject: 50 hz nst

>>>Original poster: "Calvin Patrick by way of Terry Fritz
>>>
>><twftesla-at-qwest-dot-net>" <linhacktux-at-wycol-dot-com>

>>>I purchased a nst, but now that I look at it, it says 220 vac -at- 50 hz.

>>>Wall current is 60 hz last time I checked.  Will this cause
>>>problems, or will I have to build/buy a frequency adjustment

>>>circut.  Thanks for any help...

>>>Calvin