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What you'll learn?
- What exactly harmonics are?
- Understand the definition of harmonics.
- Can be able to identify harmonics distortion sources in power system.
- Know the various effects of the harmonics.
- Understand IEEE Std. 519-2014.
- Know the remedial techniques to limit harmonics content in power system.
Course Overview
There is a short story behind creating this course. Let me share with you that.
One of my clients was facing the problem of repetitive random failures of power devices like drives, motors, etc.
Case Study:
It was a new milk processing plant. It so happened that an induction motor got failed means the winding got shorted. They replaced it with a new one to run the plant. A few days later an AC Drive IGBT module got failed. The nuisance tripping of the circuit breaker also got started.
Now they called me up to find out the root cause. We checked everything like bearings of motors, balancing, connections inside the panel, drive parameters, Overload setting, etc. But we haven't found the concrete reason for such a behavior of devices.
At last, I doubted Harmonics current and conducted a harmonics study. Guess what! 40% to 60 % of harmonics current were there and no remedial techniques had been implemented.
After giving a suitable mitigation solution now the factory is running fine.
This made me think about creating a course on harmonics.
So here it is -
The following content has been covered:
- The definition of harmonics is briefly interpreted.
- Factors that are responsible for harmonics current generation are discussed.
- Devices producing harmonics and how they produce are discussed.
- Harmonics analysis is explained with the help of Matlab where required.
- Effects of the harmonics current on various equipment used in the power system.
- Interpretation of IEEE Std. 519-1992, 2014.
- Know how to find harmonics current and where to look for them.
- Know the various mitigation techniques to limit harmonics current in the power system.
After completion of this course, you can be able to:
- Identify harmonics distortion sources in the power system.
- Recognize the symptoms of harmonics presence by knowing the effects of harmonics on various equipment like transformers, motors, power cables, and electronics devices, etc.
- Select the suitable harmonics analysis technique.
- Provide a suitable solution for harmonics reduction and mitigation.
Where you can use this knowledge?
- If you are working with an EPC / core consultancy company, use this knowledge to provide remedial solutions for limiting harmonics current.
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- Knowledge never fades away. If you are a student looking for a job in Power Companies, EPCs, etc can use this knowledge to answer power system harmonics related question.
Who should take this course?
- Electrical system design engineers
- Power System Engineers
- Maintenance Engineers especially Electrical
- Electrical contractors
- Students pursuing Bachelor's / Master's degree in Electrical, Electronics, Power system, Instrumentation, and Control.
Enjoy the learning!
Pre-requisites
- Basic of Electricity.
- Enthusiasm to learn.
Target Audience
- Electrical Engineering Students
- Maintenance Engineers
- Electronics Engineers
- Electrical System Design Engineers
- Power System Engineers
Curriculum 26 Lectures 01:11:25
Section 1 : Introduction
Section 2 : What are Harmonics and why you should care for them?
- Lecture 1 :
- What are Harmonics and Why you should care for them?
Section 3 : What is Fundamental frequency?
- Lecture 1 :
- What is fundamental frequency?
Section 4 : Interpretation of Definition of Harmonics
- Lecture 1 :
- Understand Harmonics Definition
Section 5 : How harmonics are generated in Power System?
- Lecture 1 :
- Type of Load that generates Harmonics in Power System
- Lecture 2 :
- Example of Non-linear Load using MATLAB
- Lecture 3 :
- How Non-linear Loads produce harmonics current?
Section 6 : Devices Producing Harmonic current
- Lecture 1 :
- Devices that Produces Harmonics in Power System - Part 1
- Lecture 2 :
- Harmonics analysis of Switch Mode Power Supply
- Lecture 3 :
- Devices that Produces Harmonics in Power System - Part 2
- Lecture 4 :
- Harmonics analysis of Six Pulse bridge rectifier unit using MATLAB Simulink
- Lecture 5 :
- Devices that Produces Harmonics in Power System - Part 3
- Lecture 6 :
- Devices that Produces Harmonics in Power System - Part 4
Section 7 : Effects of Harmonics in Power System
- Lecture 1 :
- Effects of Harmonics - Introduction
- Lecture 2 :
- Effects of Harmonics - Part 1
- Lecture 3 :
- Effects of Harmonics - Part 2
- Lecture 4 :
- Effects of Harmonics - Part 3
- Lecture 5 :
- Effects of Harmonics - Economical Perspective
- Lecture 6 :
- Other causes of Power Quality problems
Section 8 : Understanding IEEE Std. 519-1992, 2014
- Lecture 1 :
- Understanding IEEE Std. 519-1992, 2014
Section 9 : Mitigation Techniques for limiting Harmonics current in Power system
- Lecture 1 :
- Section Introduction
- Lecture 2 :
- How do you find Harmonics Current?
- Lecture 3 :
- Where to look for Harmonics Current?
- Lecture 4 :
- Mitigation Technique - Passive Filters
- Lecture 5 :
- Mitigation Technique - Active Harmonics Filters
Section 10 : Quiz on Power system Harmonics
- Lecture 1 :
- Harmonics Quiz
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