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Faulted Transformer Model for Enhanced

Protection Testing The RTDS® Simulator’s new faulted transformer model is an advanced real-time transformer model for enhanced protection testing.

The model is based on a terminal duality equivalent and addresses common engineering challenges with the popular star equivalent circuit.

The model is more realistic and practically accurate, better representing physical leakages, inrush current, and full representation of the mutual coupling between branches. It also allows for more accurate evaluation of short circuit reactance under asymmetrical conditions.

This real-time simulation component offers a superior look into the transient behavior of transformers and enhanced closed-loop testing of transformer protection prior to deployment.