unbalanced star connected load

Version 1.0.0.0 (42.9 KB) by baskar k
star connected load
1.1K Downloads
Updated 7 Apr 2014

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In star connection, there is four wire, three wires are phase wire and fourth is neutral which is taken from the star point. Star connection is preferred for long distance power transmission because it is having the neutral point. In this we need to come to the concept of balanced and unbalanced current in power system.
When equal current will flow through all the three phases, then it is called as balanced current. And when the current will not be equal in any of the phase, then it is unbalanced current. In this case, during balanced condition there will be no current flowing through the neutral line and hence there is no use of the neutral terminal. But when there will be unbalanced current flowing in the three phase circuit, neutral is having a vital role. It will take the unbalanced current through to the ground and protect the transformer. Unbalanced current affects transformer and it may also cause damage to the transformer and for this star connection is preferred for long distance transmission.

Cite As

baskar k (2024). unbalanced star connected load (https://www.mathworks.com/matlabcentral/fileexchange/46154-unbalanced-star-connected-load), MATLAB Central File Exchange. Retrieved .

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Created with R2009b
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Version Published Release Notes
1.0.0.0