The following Schematics contain several simple Residential Power Distribution schemes, detailing the "Primary" sides and step-down transformers.

These should assist in understanding some key items related to "Common Neutrals" for Distribution systems and enhance an understanding of the Medium Voltage Distribution on a simple Residential System.

Feel free to post questions relating to this / these drawings in the Electrical Theory section at:

Discussion-Residential Dist. Systems

Here are the drawings......


Fig. 1-1: "Multi-Grounded Common Neutral" Distribution System
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Fig. 1-2: 3 Phase 4 Wire Primary Distribution System
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Fig. 1-3: 3 Phase 3 Wire Primary Distribution System
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end - new as of 10.17.2002
Scott S.E.T.

[This message has been edited by Scott35 (edited 10-18-2002).]
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Scott " 35 " Thompson
Just Say NO To Green Eggs And Ham!