ABSTRACT
Harmonic distortion at the collector level is influenced by some form of harmonic component cancellation from different turbines connected to the grid. There are abounding sources of harmonics in the smart grid concept. The series and the shunt filters are provided to attenuate the frequency components caused by the switching transients, as well as by harmonics from other subsystems, like switched mode power supplies and other inverter control schemes. The total harmonic distortion in the process occurs when the generated power is low, and it shows a lower level when the generated power is high. Harmonics generation in a phase wave modulation inverter, as stated earlier, is also a function of loading. Another aspect that has been largely discussed in many references relates to the significantly different nature of harmonic distortion produced in wind parks relative to background distortion existing in the power grid prior to the interconnection of the wind park.
