Re: Single vs Two Phase/Scope Measurement

["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:
> 
> Original poster: "John H. Couture by way of Terry Fritz
<twftesla-at-qwest-dot-net>" <couturejh-at-mgte-dot-com>
> 
> Harvey -
> 
> Connect your scope (3 channels) to a 3 phase system. If you see 3 sine waves
> with peaks 120 degrees apart you have a Y connection. 

	...or a delta connection....

	(as an alternative to the diff probe scheme, one might
	use transformers, need to check the phasing....)

	best
	dwp