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Impedance Explained.

Автор: PKAE Electronics

Загружено: 2024-01-28

Просмотров: 294246

Описание:

In this video I compare similarities from the physical world that you can see and touch, to help share how I think about Impedance.

You will learn about “Opposing” forces called “Reactance” and how these, together with “Resistance” combine to form what we call “Impedance”.

Whilst I do go through some formulas, these are not the key intended purpose of the video. For many people, the formulas are not really important.

What is more important, is to be able to visualise in your mind exactly what is going on with AC circuits and to imagine that in a way that makes sense to you.

I hope the analogies I share, which I have picked up from others over the years, really help your thinking as much as it has me.

See my follow up video explaining Impedance Matching here:-
   • Impedance Matching  

Topics Covered
-------------------------
Resistance
Impedance and opposition to current flow
Capacitors
Capacitive Reactance
Inductors
Inductive Reactance
Impedance Triangle

Symbols
--------------
R = Resistance, measured in Ohms
Z = Impedance, measured in Ohms
X = Reactance, measured in Ohms
C = Capacitance, measured in Farads
L = Inductance, measured in Henrys
Xc = Capacitive Reactance, measured in Ohms
XL = Inductive Reactance, measured in Ohms

⏱️Timeline
-------------------
00:00:00 – Introduction - Measuring a Speaker
00:33:00 – PKAE Theme Intro
00:43:00 – Ohms Law
00:02:05 – One Guy Missing ‘X’
00:02:35 – “Reactance” – Two Forms
00:03:02 – Capacitive Reactance Explained
00:05:20 – Bicycle Pump Analogy 00:06:26 – Capacitive Reactance Frequency Influence 00:07:23 – Capacitive Reactance Formula Explained
00:08:33 – Bench Testing a Capacitor’s Impedance
00:10:10 – Inductive Reactance Explained
00:10:58 – Fly Wheel Analogy
00:12:02 – Inductive Reactance Frequency Influence
00:13:02 – Inductive Reactance Formula Explained
00:14:14 – Bench Testing an Inductor’s Impedance
00:15:16 – Reactance Summarised
00:15:31 – Example Circuit Impedance Calculations
00:17:50 – The Impedance Triangle
00:21:17 – Calculating Phase Angle
00:22:15 – Wrap Up

🎶Intro Music from #inaudio :- https://inaudio.org/
Track = OddVision-HYPER POP

Impedance Explained.

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