[rescue] argh, what did I do? (Onyx)

vance at neurotica.com vance at neurotica.com
Wed Jan 15 15:03:50 CST 2003


On Wed, 15 Jan 2003, James Lockwood wrote:

> Usual 3-phase distribution is either 120V/208V Wye (120V from each phase
> to neutral, 208V phase to phase) or 240V delta (240V phase to phase).
> "High leg" Delta (where neutral is center-tapped in one of the 240V
> stretches, giving a pair of 120V legs from neutral) is much less common
> now and many power companies are getting away from it due to phase
> imbalance.

At IBM East Fishkill the powerhouse generates 460V Wye for use by
sintering furnaces and the like.  The product conveyance equipment work on
some form of six-phase high voltage supply.

Peace...  Sridhar


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