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How do Harmonic Mitigating Transformers save energy?

Harmonic Mitigating Transformers reduce harmonic losses in the following ways:

1. Zero phase sequence harmonic fluxes are cancelled by the transformer’s secondary windings. This prevents triplen harmonic currents from being induced into the primary windings where they would circulate. Consequently, primary side I2R and eddy current losses are reduced.

2. Multiple output HMTs cancel the balanced portion of the 5th, 7th and other harmonics within their secondary windings. Only residual, unbalanced portions of these harmonics will flow through to the primary windings. Again I2R and eddy current losses are reduced.

More Harmonic Mitigating Transformer Frequently Asked Questions

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