Course description
In Basics of Harmonic Analysis, you'll learn ...
- Basic theory behind harmonic phenomena in the power system
- How harmonic phenomena is modelled for the purpose of system analysis
- How harmonics can affect the quality of electrical energy
- Consequences of high harmonic levels and what mitigations measures can be applied
Overview
Credit: 3 PDH
Length: 38 pages
A harmonic-producing load can affect other loads if significant voltage distortion is caused. The voltage distortion caused by the harmonic-producing load is a function of both the system impedance and the amount of harmonic current injected. The mere fact that a given load current is distorted does not always mean there will be undue adverse effects on other power consumers. If the system impedance is low, the voltage distortion is usually negligible in the absence of harmonic resonance. However, if harmonic resonance prevails, intolerable harmonic voltage and currents are likely to result.
The general procedure is to first develop a model that can accurately simulate the harmonic response of the present system and then to add a model of the new addition. Analysis is also commonly done to evaluate alternatives for correcting problems found by measurements.
Only very small circuits can be effectively analyzed without a computer program. Typically, a computer program for harmonic analysis will provide the engineer with the capability to compute the frequency response of the power system and to display it in a number of useful graphical forms. The programs provide the capability to predict the actual distortion based on models of converters, arc furnaces, and other nonlinear loads.
This course provides an introduction to harmonic theory. This course is suitable for electrical engineers and control systems engineers with a desire to understand the fundamentals of harmonic phenomena and power quality in general. Upon successful completion you will be able to address various power quality phenomena, understand how electrical systems are modelled for the purpose of harmonic calculations and how harmonic filters are sized.
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Upcoming start dates
Who should attend?
Certificate of Completion
You will be able to immediately print a certificate of completion after passing a multiple-choice quiz consisting of 40 questions. PDH credits are not awarded until the course is completed and quiz is passed.
Training content
This course teaches the following specific knowledge and skills:
- Fundamentals of harmonic phenomena and general power quality theory
- Purpose of harmonic studies
- System modelling
- Remedial measures (harmonic filter sizing)
- Harmonic standards
- Commercial software modelling techniques, simulation performance and interpretation of the results
Costs
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