
Learn how rectifier type and choke placement affect total harmonic distortion in low-voltage ac drives, comparing six-pulse, 12/18/24-pulse, and active front end topologies and their dominant harmonics.
Explore how harmonics, especially triple harmonics like the third, drive neutral conductor overloading in unbalanced three-phase systems, causing overheating and voltage drop, and learn neutral sizing guidelines.
Explore how inductive and capacitive devices create electrical resonance and how harmonics near the resonant frequency amplify current or distort voltage, risking equipment damage through series and parallel resonance.
Connect non-linear loads upstream to minimize the impedance to the transformer, thereby reducing voltage distortion and protecting other loads. Group non-linear loads on separate busbars and consider a separate transformer.
Welcome to our course on Harmonics in Electrical Systems!
This course is dedicated mainly for upskilling current or future electrical engineers in the subject of Harmonics, but it is suitable to anyone with interest in this subject, with basic knowledge of Electric Circuits and Power Systems.
In this course you will learn about:
Linear and Non-Linear Loads
How to perform analysis of distorted (current or voltage) waveform
Typical sources of Current Harmonics
The mechanism of supply voltage distortion
Basic terms to describe Harmonics distortion
Effect of AC and DC drives on Harmonic Distortion
Effect of modern lighting systems and IT equipment on Harmonic Distortion
Negative effects of Harmonics on Electrical System and Equipment
Harmonic standards
Filtering solutions
You will gain advanced understanding of Harmonics and be able to recognize and solve practical issues related to Harmonics, even if you don't have previous knowledge on this topic.
We consider that analysis of Harmonics and their effects in modern Electrical Systems is a crucial skill for Electrical Engineers for several reasons:
Possibility to optimize system efficiency by recognizing and reducing losses caused by Harmonics
Improve equipment longevity by preventing damage to transformers, motors and capacitors
Improving Power Quality by preventing issues such as Voltage Distortion
Achieve compliance with Regulations and Industry Standards in the domain of Harmonics and Power Quality
Resolving practical issues caused by Harmonics
Design of modern electrical systems with complex loads and renewable energy sources
Enroll now and enhance your expertise in Electrical Systems by mastering the topics of Harmonics!
Good luck with your studies!