Harmonics effects on wye-wye transformers

In summary, harmonics are voltage and current signals that are multiples of the fundamental frequency in an electrical system. In wye-wye transformers, they can cause increased heating and stress on the transformer windings, leading to reduced efficiency and possibly even failure. The sources of harmonics in wye-wye transformer systems include non-linear loads such as computers, variable frequency drives, and LED lighting. These devices draw non-sinusoidal currents, which can create harmonics in the electrical system. To mitigate harmonics, harmonic filters can be used to absorb the harmonics, and transformers with lower impedance can be used to better handle the harmonic currents. The effects of harmonics on wye-wye transformers include increased heating and stress on the transformer wind
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GunnarDH
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What effect do harmonics have on wye-wye transformers with neutral grounded? What about not grounded? Also, in a wye-delta, why is there less distortion in the delta side voltage if neutral in the wye side is not connected to ground?
I understand why the Y transformers have distortion and the delta do not. But I don't understand why have a ground would effect either situation.
 
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What are harmonics and how do they affect wye-wye transformers?

Harmonics are voltage and current signals that are multiples of the fundamental frequency in an electrical system. In wye-wye transformers, harmonics can cause increased heating and stress on the transformer windings, leading to reduced efficiency and possibly even failure.

What are the sources of harmonics in wye-wye transformer systems?

Harmonics can be generated by non-linear loads such as computers, variable frequency drives, and LED lighting. These devices draw non-sinusoidal currents, which can create harmonics in the electrical system.

How can harmonics be mitigated in wye-wye transformer systems?

One way to reduce harmonics is by using harmonic filters, which are devices that are connected in parallel with the non-linear loads to absorb the harmonics. Another method is to use transformers with lower impedance, which can better handle the harmonic currents.

What are the effects of harmonics on wye-wye transformers?

Harmonics can cause increased heating and stress on the transformer windings, leading to reduced efficiency and possibly even failure. They can also cause voltage distortion, leading to issues with other equipment connected to the same electrical system.

Can harmonics be harmful to other equipment in the electrical system?

Yes, harmonics can cause voltage distortion, which can lead to issues with other equipment connected to the same electrical system. This can result in equipment failure, reduced lifespan, and increased maintenance costs.

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