Power system harmonic analysis in wind power plants — Part II: Practical experiences and mitigation methods

This paper is the second part of a two-paper series which discusses different aspects of power system harmonic analysis in wind power plants. Traces obtained from harmonic measurements of actual wind turbines are presented for the type 3 and type 4 turbines, and harmonic performance of these wind turbines are elaborated on. Simulation case studies obtained from harmonic analysis of various practical wind power plants are presented. The case studies presented include both resonance and non-resonance conditions. Lastly, practical harmonic mitigation techniques including harmonic filtering and harmonic compensation are discussed.