Effects
One of the major effects of power system harmonics is to increase the current in the system. This is particularly the case for the third harmonic, which causes a sharp increase in the zero sequence current, and therefore increases the current in the neutral conductor. This effect can require special consideration in the design of an electric system to serve non-linear loads.
In addition to the increased line current, different pieces of electrical equipment can suffer effects from harmonics on the power system.
Read more about this topic: Harmonics (electrical Power)
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