AC Circuits for Beginners

What's Inside

  • Definition of AC circuits
  • Difference between AC and DC circuits
  • Phasor representation of AC
  • Phasor relationships for circuit elements
  • Impedance and admittance
  • Kirchhoff’s laws and impedance combinations in the frequency domain
  • Application of nodal analysis in AC circuits
  • Application of mesh analysis in AC circuits
  • Application of Thevenin and Norton theorems in AC circuits
  • Application of source transformation in AC systems
  • Application of superposition theorem in AC circuits
  • Instantaneous power and average power
  • Maximum average power transfer
  • Effective or RMS value in AC circuits
  • Apparent power and power factor
  • Complex power and power triangle
  • Power factor correction

All of these topics are in a step by step lessons with many solved examples.

Course Curriculum

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Engineer Ahmed Mahdy

I am Ahmed Mahdy an electrical power engineer, researcher, and the founder of Khadija Academy. I am also an electrical bestselling instructor and have helped more than 70,000 students from 191 countries achieve career success with simple and easy courses in the last 7 years.​ In addition to having a YouTube educational engineering channel called" Khadija Academy", where I regularly post videos related to electrical engineering. In 2018, I was nominated among the top 10% of instructors on Udemy, besides currently ranking among the top instructors in the engineering sector of Udemy.


Some of my published research works in the top electrical engineering journals worldwide:


1- ​Transient stability improvement of wave energy conversion systems connected to power grid using anti-windup-coot optimization strategy - Energy Journal - Impact Factor of 9.0.


2- Nonlinear Modeling and Real-Time Simulation of a Grid-Connected AWS Wave Energy Conversion System - IEEE Transactions on Sustainable Energy - Impact Factor of 8.8.


3- Modeling and optimal operation of hybrid wave energy and PV system feeding supercharging stations based on golden jackal optimal control strategy - Energy Journal - Impact Factor of 9.​0.


4- State-of-the-Art of the most commonly adopted wave energy conversion systems - Ain Shams Engineering Journal - Impact Factor of 6.0.


5- Optimal Design of Fractional-Order PID Controllers for a Nonlinear AWS Wave Energy Converter Using Hybrid Jellyfish Search and Particle Swarm Optimization - Fractal and Fractional - Impact Factor of 5.4


6- Dynamic performance enhancement of nonlinear AWS wave energy systems based on optimal super-twisting control strategy - Ain Shams Engineering Journal - Impact Factor of 6.0.

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