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The electricity sector has concerns about global energy use, more rational and optimized in view the difficulties of expanding the energy supply due to lack of technological resources and even financial, but emphasizing the sources. We present the concern with the generation of electricity through the synchronous machines, operating on electric power systems, where the waveforms of voltages and currents are no longer sine waves. Due to be feeding nonlinear loads, which are responsible for the generation of harmonic interference, which has grown tremendously the use of power electronics for building equipment and systems. The losses presented in synchronous machines according to the interference of harmonics resulted in the order of about 8%. These losses were due to the increases of the losses in copper, iron and additional torque, contrary to the fundamental torque. From the standpoint of energy efficiency for generating the same amount of energy that was generated in the month before the pollution sources of harmonics. There are today, the need to increase the fuel is at least 10%.
Latin America Transactions, IEEE (Revista IEEE America Latina) (Volume:10 , Issue: 2 )
Date of Publication: March 2012