Harmonic Indices Explained: THD, TDD, Crest Factor, and Power Factor Relationship
⚡ Harmonic Indices Explained: THD, TDD, Crest Factor, and Power Factor Relationship How Harmonics Impact Transformers, Motors, Cables & Sensitive Electronics 🔍 Introduction: The Hidden Distortion in Modern Electrical Systems In today’s digitally powered world , where power electronics, variable frequency drives (VFDs), and smart grids dominate, harmonics have become one of the most persistent threats to electrical reliability. Harmonic Indices: THD, TDD, Crest Factor, Power Factor Relationship These indices form the technical backbone for understanding power quality — a critical parameter for every industrial, commercial, and smart energy system. Harmonics affect not just the efficiency of transformers and motors but also the lifespan of sensitive electronics, cables, and even metering accuracy. This article unpacks harmonic indices — THD, TDD, Crest Factor, and Power Factor — and their inte...