Choose your language
Professional Electrotechnics Course
More than 2 million students worldwide

Professional Electrotechnics Course

4

Master the full spectrum of electrotechnics — from DC fundamentals and AC theory to electrical machines, power electronics, and industrial installations. This course delivers the technical depth and practical skills employers demand from qualified electrotechnical professionals. Whether you're advancing your career or formalizing your expertise, this is the training that gets you there.

Dedika for Business

What you will learn:

You will build a solid foundation in DC and AC circuit theory, then advance through three-phase power systems, transformers, DC machines, and AC induction and synchronous motors. You will study power electronics, including rectifiers, inverters, and variable frequency drives used in industrial drive systems. The course also covers electrical installation standards, cable sizing, earthing systems, and verification testing. Supplementary modules address electrical safety, instrumentation, renewable energy integration, PLC programming, power quality, and professional practice. By the end, you will have the technical knowledge to analyze, design, and maintain real-world electrical systems with confidence.

How you study in practice Professional Electrotechnics Course

How you practise Professional Electrotechnics Course

For companies looking to train their team

With Dedika for Business, the course includes exercises and examples tailored to your own business and the way your company needs.

Click here

Course Content

8 Chapters • 40 LessonsDuration between 4 and 360 hours (you decide)

Chapter 1See details

Fundamentals of Electricity and Circuits

  • Lesson 1 • Capacitors and Inductors in DC Circuits

    Explains energy storage in capacitive and inductive elements under DC transient conditions. Prepares students for AC circuit analysis in later chapters.

  • Lesson 2 • Electrical Quantities and Units

    Introduces voltage, current, resistance, and power with SI units. Establishes the measurement language used throughout the entire course.

  • Lesson 3 • Series and Parallel Circuit Analysis

    Teaches equivalent resistance calculation for series, parallel, and mixed networks. Enables students to simplify complex resistive circuits systematically.

  • Lesson 4 • Kirchhoff's Laws and Network Theorems

    Applies KVL and KCL to multi-loop circuits and introduces superposition and Thevenin equivalents. Provides tools for analyzing any linear DC network.

  • Lesson 5 • Ohm's Law and Basic Relationships

    Derives and applies Ohm's Law to resistive elements. Connects voltage, current, and resistance in practical circuit scenarios.

Chapter 2See details

Alternating Current Theory

  • Lesson 1 • Impedance of R, L, and C Elements

    Calculates inductive and capacitive reactance and total impedance. Connects component behavior to frequency-dependent circuit response.

  • Lesson 2 • Resonance in AC Circuits

    Analyzes series and parallel resonance conditions and quality factor. Demonstrates frequency selectivity critical for filter and tuning applications.

  • Lesson 3 • AC Power Analysis

    Distinguishes real, reactive, and apparent power and defines power factor. Enables accurate power budgeting and efficiency assessment in AC systems.

  • Lesson 4 • AC Waveform Characteristics

    Defines sinusoidal waveforms by amplitude, frequency, period, and phase. Establishes the mathematical basis for all AC circuit analysis.

  • Lesson 5 • Phasor Representation and Complex Notation

    Converts time-domain sinusoids into phasor and complex number form. Simplifies AC circuit calculations by replacing differential equations with algebra.

Chapter 3See details

Three-Phase Systems and Power Distribution

  • Lesson 1 • Power Factor Correction

    Applies capacitor banks to improve power factor in three-phase systems. Reduces reactive power demand and improves distribution efficiency.

  • Lesson 2 • Unbalanced Three-Phase Loads

    Analyzes unbalanced star and delta loads using mesh and nodal methods. Prepares students for real-world installations where loads are rarely equal.

  • Lesson 3 • Three-Phase Power Calculations

    Calculates real, reactive, and apparent power for balanced three-phase loads. Provides the quantitative tools needed for industrial load assessment.

  • Lesson 4 • Three-Phase Generation Principles

    Explains how three-phase EMF is generated and the phase sequence concept. Establishes why three-phase systems dominate industrial power distribution.

  • Lesson 5 • Star and Delta Configurations

    Derives voltage and current relationships for star and delta connections. Enables correct load and source wiring in three-phase installations.

Chapter 4See details

Electrical Machines: Transformers

  • Lesson 1 • Transformer Construction and Principles

    Covers core materials, winding arrangements, and the mutual induction principle. Links physical construction to the transformer's voltage and current transformation ratios.

  • Lesson 2 • Three-Phase Transformer Connections

    Analyzes delta-delta, star-star, delta-star, and star-delta configurations and phase shifts. Prepares students for specifying transformers in three-phase distribution networks.

  • Lesson 3 • Transformer Testing and Parameters

    Performs open-circuit and short-circuit tests to extract equivalent circuit parameters. Provides the data needed for efficiency and regulation calculations.

  • Lesson 4 • Voltage Regulation and Efficiency

    Calculates voltage regulation and efficiency at various loads and power factors. Enables performance comparison and optimal loading decisions.

  • Lesson 5 • Ideal and Practical Transformer Models

    Contrasts the ideal transformer with the practical equivalent circuit including losses. Enables accurate prediction of voltage regulation and efficiency.

Chapter 5See details

DC Machines: Motors and Generators

  • Lesson 1 • DC Motor Principles and Torque

    Derives the torque equation and explains back-EMF in DC motors. Connects electrical input to mechanical output through the motor's operating equations.

  • Lesson 2 • DC Generator Characteristics

    Analyzes separately excited, shunt, series, and compound generator configurations. Evaluates voltage regulation and load characteristics for each excitation type.

  • Lesson 3 • DC Motor Speed Control Methods

    Covers armature voltage, field weakening, and resistance insertion for speed control. Enables selection of the appropriate control method for a given drive requirement.

  • Lesson 4 • DC Machine Losses and Efficiency

    Identifies copper, iron, mechanical, and stray losses in DC machines. Calculates overall efficiency and identifies strategies to minimize losses.

  • Lesson 5 • DC Machine Construction and EMF

    Describes armature, field windings, commutator, and brush assembly. Derives the EMF equation linking speed, flux, and armature winding parameters.

Chapter 6See details

AC Machines: Induction and Synchronous

  • Lesson 1 • Induction Motor Starting and Speed Control

    Evaluates direct-on-line, star-delta, and autotransformer starting methods. Covers variable frequency drive control for energy-efficient speed regulation.

  • Lesson 2 • Induction Motor Construction and Slip

    Describes squirrel-cage and wound-rotor construction and defines slip. Links rotor speed to slip and explains induced rotor EMF and frequency.

  • Lesson 3 • Induction Motor Equivalent Circuit

    Develops the per-phase equivalent circuit and derives torque and power expressions. Enables quantitative performance prediction across the full speed range.

  • Lesson 4 • Synchronous Machines: Motors and Generators

    Analyzes synchronous generator and motor operation using phasor diagrams. Covers excitation control, power angle, and synchronous machine stability.

  • Lesson 5 • Rotating Magnetic Field Theory

    Explains how three-phase stator currents produce a rotating magnetic field. Establishes the foundational concept for all AC machine operation.

Chapter 7See details

Electrical Installations and Wiring Systems

  • Lesson 1 • Earthing Systems and Protective Bonding

    Explains TN, TT, and IT earthing arrangements and bonding requirements. Ensures fault current paths are established for safe disconnection of supply.

  • Lesson 2 • Circuit Protection Devices

    Covers fuses, miniature circuit breakers, and residual current devices for overcurrent and fault protection. Links device ratings to cable and load protection requirements.

  • Lesson 3 • Wiring Systems and Cable Types

    Surveys conduit, trunking, cable tray, and direct-burial wiring methods. Matches installation method to environmental and mechanical protection requirements.

  • Lesson 4 • Installation Testing and Verification

    Performs insulation resistance, continuity, loop impedance, and RCD tests. Confirms that completed installations meet safety performance requirements before energization.

  • Lesson 5 • Cable Sizing and Current Ratings

    Applies load current, correction factors, and voltage drop limits to select cable cross-sections. Ensures cables operate safely within thermal and voltage constraints.

Chapter 8See details

Power Electronics and Drive Systems

  • Lesson 1 • Rectifier Circuits and DC Supplies

    Analyzes half-wave, full-wave, and three-phase controlled rectifiers. Calculates output voltage, ripple, and the effect of firing angle on DC output.

  • Lesson 2 • Variable Frequency Drives in Practice

    Integrates rectifier, DC link, and inverter stages into a complete VFD system. Covers motor protection, braking methods, and drive commissioning procedures.

  • Lesson 3 • DC-DC Converters

    Analyzes buck, boost, and buck-boost converter topologies in continuous conduction mode. Derives voltage conversion ratios and inductor current waveforms.

  • Lesson 4 • Inverters and PWM Techniques

    Explains single-phase and three-phase voltage source inverters with PWM control. Connects inverter output quality to switching frequency and modulation index.

  • Lesson 5 • Power Semiconductor Devices

    Covers diodes, thyristors, MOSFETs, IGBTs, and their switching characteristics. Establishes the device knowledge required for converter circuit analysis.

Certification

Your valid completion certificate

This course is for you:

  • Electrician apprentice: ready to move beyond on-the-job basics into theory.

  • Electrical engineering student: seeking practical reinforcement of classroom concepts.

  • Maintenance technician: wanting to understand the machines and systems they service.

  • Career changer: transitioning into the electrical trades from an unrelated technical field.

  • Industrial automation technician: expanding knowledge into drives, power, and machines.

  • Facilities engineer: needing deeper electrical competency for complex site responsibilities.

What our students say

Your classes are perfect. I purchased the one-year package and finally have the opportunity to follow various topics of interest without needing to switch platforms... I thank you for everything you do, I've already recommended you to other people...
Giulio Carlo
Giulio CarloDigital Marketing Student
I like how the lessons are straight to the point and how I can change chapters and skip content I don't need.
Mariana Ferres
Mariana FerresPhotography Student
I like the content and the presentation style and video transcription, which speeds up the process!
Luciana Alvarenga
Luciana AlvarengaNail Design Student
The platform is fast, simple to use. The diversity of content and complementary videos really help with learning.
André Felipe
André FelipePrompt Engineering Student

Top training programs

FAQ

Who is Dedika?

Is the certificate valid in Canada?

Are the courses free?

What is the course workload?

What are the courses like?

How do the courses work?

What is the duration of the courses?

What is the cost or price of the courses?

What is an EAD or online course and how does it work?

PDF Course