What exactly are harmonics and how do they "appear"?
May 21, 2012 · "how are harmonics generated? The signal is just "on" or "off", how are there first, third, and fifth harmonics and why do they get weaker?" // Although not a satisfactory answer, …
How do I calculate THD? - Electrical Engineering Stack Exchange
Apr 24, 2024 · I want to calculate the total harmonic distortion of the signal using this graph and formula. The formula is taken from this page: Calculating harmonic distortion First Question: …
filter - What is the harmonic content of a PWM signal? - Electrical ...
To properly design a filter for this application to hit a specific harmonic distortion target, I need to know the harmonic content of the PWM signal. How can I predict what that harmonic content is?
amplifier - Calculate total harmonic distortion - Electrical ...
May 18, 2020 · Calculate total harmonic distortion Ask Question Asked 5 years, 6 months ago Modified 2 years ago
power electronics - Electrical Engineering Stack Exchange
May 8, 2025 · I'm working on a project involving multiple non-linear electrical loads, and I want to estimate the total THDi (Total Harmonic Distortion of Current) and, if possible, THDv (Total …
stm32 - Generating 3rd harmonic injection - Electrical Engineering ...
Aug 31, 2022 · I'm designing an inverter and I see this 3rd harmonic injection part a lot. My question is: how do I generate a 3rd harmonic? What I understood is that I am supposed to …
SMPS: What is current mode instability (aka “sub-harmonic …
Oct 22, 2014 · Sub-harmonic oscillations in current-mode-controlled converters are easily revealed through simple drawings as shown in akellyirl answer. However, it is less known that …
Why harmonic distortion and not at other frequencies?
Apr 22, 2020 · In understanding harmonic distortion, one piece of the puzzle that is missing for me is: - why does the distortion manifest at harmonic frequencies and not other frequencies. Feel …
How to distort a square waveform to get even harmonics?
Jun 25, 2024 · To get all of the even harmonics of the square wave's base frequency, a solution that is very rich in those harmonics is a saw-tooth wave at twice the frequency of the square …
telecommunications - Standards for Total Harmonic Distortion in ...
Dec 2, 2024 · If I have a demodulated waveform obtained from an AM envelope detector and want to measure distortion using Total Harmonic Distortion (THD), is there a relevant standard …