Power Quality Improvement Technique

This course provides a comprehensive understanding of power quality issues in modern power distribution systems caused by distributed generation, adjustable speed drives, nonlinear loads, and unbalanced loads. Participants will first learn the fundamentals of power quality, including voltage sags, swells, harmonics, flicker, and unbalance. The course explains how load disturbances and supply disturbances affect system performance, reliability, and equipment life. A detailed comparison between passive and active filtering techniques is presented to highlight their advantages and limitations. Emphasis is placed on the operating principles of Active Power Filters (APFs) for harmonic mitigation and reactive power compensation. The course covers shunt, series, and hybrid active power filters and their control strategies. Mathematical modeling and basic control algorithms for APFs are introduced in an easy-to-understand manner. Practical implementation aspects using power electronic converters are discussed. Real-world case studies are included to show performance improvement in distribution systems. By the end of the course, learners will be able to analyze and mitigate power quality problems effectively using active filtering solutions.

Source: IIT Roorkee July 2018 [Youtube Channel]