Power System Analysis: Electrical Protection System

Introduction

The Power System Analysis Training Course delivers a clear, practical, and structured understanding of how electrical power systems operate under normal and abnormal conditions. While many analytical methods are commonly taught in abstract mathematical form, this course explains them in a straightforward, intuitive, and industry-relevant manner. Concepts such as phasors, the per-unit system, three-phase power, and symmetrical components are broken down into accessible explanations that support confident real-world application. Participants will learn how to model key system elements—transmission lines, transformers, generators, and loads—so that system behaviour can be accurately assessed during planning, operation, and fault scenarios. Beyond theoretical insight, the course emphasises how power systems respond in practice, enabling delegates to diagnose system conditions, analyse contingencies, and enhance system stability. This Power System Analysis Training Course equips professionals with essential tools to perform power flow studies, short-circuit calculations, and transient stability assessments. By the end of the course, participants will have a strong intuitive understanding of system behaviour and the analytical confidence to evaluate electrical networks effectively.

This Power System Analysis training course will feature:

• Review of phasors, per-unit and three-phase power concepts
• Modeling information for transmission lines, transformers, generators, and loads
• Power flow analysis and system operation
• Short circuit analysis including symmetrical components
• Transient stability analysis

Objectives

This Power System Analysis Training Course develops the analytical capability required to interpret and evaluate the dynamic behaviour of electrical networks. Delegates will learn how to apply standard industry methods to both steady-state and contingency conditions, enabling more efficient and reliable decision-making.

By the end of this Power System Analysis training course, participants will be able to:

• Perform three-phase power system calculations using phasors and the per-unit system
• Model transmission lines, transformers, generators, and loads accurately
• Conduct power flow analysis and understand fundamental system operating principles
• Apply symmetrical component theory to short-circuit fault studies
• Understand transient stability and apply the equal-area criterion

Training Methodology

The course uses an engaging and interactive learning approach designed to strengthen conceptual understanding and technical accuracy. Delegates will benefit from hands-on exercises, structured problem-solving sessions, visual simulations, and real-world case studies.

Training will include:

• Workshops for practical power system calculations
• Case studies applying analytical concepts to real scenarios
• Simulations and animations illustrating dynamic system behaviour
• Guided discussions to reinforce learning outcomes
• Numerical exercises requiring the use of a scientific calculator

Who Should Attend?

The Power System Analysis Training Course is designed for professionals responsible for analysing, designing, operating, or protecting electrical systems. The course provides strong value to individuals beginning their career in power engineering, as well as those needing to refresh foundational concepts while advancing into more complex topics.

This Power System Analysis training course is suitable for a wide range of professionals but will greatly benefit:

• Engineers and technicians new to the power industry
• Intermediate-level engineers involved in planning, design, or system operation
• Professionals involved in generation, transmission, distribution, or utilisation of electric power
• Engineers working on integrating renewable energy into existing grids
• Practitioners focused on system performance, modelling, or optimisation

Course Outline

Day 1: Introduction, Math Review and System Modeling

• Time domain and phasor domain

• Phasor math

• Per-unit calculations

• Basic three-phase power calculations

• Transmission line parameter computation

• Modeling transformers, generators, and loads

Day 2:  Power Flow Analysis

• Components of AC power

• Building the Y_bus and Z_bus matrices

• Power flow equations

• Solution methods

• Software simulations

• Interpreting power flow results

Day 3: Generation Control, Economic Dispatch and Unbalanced System Analysis

• Load, generation, and area control error (ACE)

• Frequency bias

• Economic dispatch of generation

• Network behavior and contingencies

• Analyzing unbalanced power systems

• Symmetrical component theory

Day 4:  Symmetrical Components and Sequence Networks

• Development of symmetrical components

• Sequence current behavior

• Detailed delta-wye transformer analysis

• Modeling sequence impedances

• Construction of sequence networks

• Analyzing harmonics as sequence currents

Day 5:  Short Circuit Calculations and Transient Stability

• Modeling faults with sequence networks

• Short circuit current calculations

• Open circuit current calculations

• Fault current versus incident energy – arc flash hazard

• Power system dynamics

• Equal-area criterion for transient stability