Abstract1.1 Introduction1.2 Hybrid System Connected with Main Grid1.3 FFT Results in Different Conditions, Respective Bar Diagram, and Observations1.4 Inter-Harmonic Group Analysis, Results, and Observations1.5 Statistical Parameter Analysis Based on Discrete Wavelet Transform, Results, and Observations1.6 Algorithm to Determine Non-Identical Conditions1.7 Specific Outcome of This Chapter1.8 ConclusionsReferencesNotes