Abstract
In the proposed Load balancing transformer, two additional coupling winding are placed in the secondary of each phase. One of these coupling windings is in series with the winding of other phase and this combination of windings is reversely paralleled with the secondary winding of the third phase. Under unbalanced load conditions, the unbalanced part of the load current, flows through the proposed combination of windings. In this way, the unbalanced part of the load current is distributed between all phases. The proposed topology for multi stage load balancing transformer is based on the ordinary load-balancing transformer. Finally, these topologies are simulated with MATLAB and the results are discussed.
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