High and Medium Voltage Substation Design, Testing and Maintenance Course

Course Syllabus: High and Medium Voltage Substation Design, Protection & Maintenance

Course Description

High and medium voltage substations are critical nodes in modern power systems, ensuring the reliable and efficient delivery of electricity to industrial, commercial, and utility users. Their performance directly impacts system stability, power quality, and supply continuity. Substations integrate a complex network of switching equipment, transformers, protective relays, control systems, automation, and communication infrastructure.

This in-depth course provides a comprehensive overview of the planning, design, application, and maintenance of substations. It covers both industrial and utility environments, addressing modern standards, regulatory and environmental considerations, fault calculations, insulation coordination, grounding design, and advanced topics such as GIS and harmonic mitigation.

Ideal for electrical engineers, system designers, utility planners, and maintenance professionals, this course combines theory with practical application, using real-world examples, case studies, and reference to international standards such as IEEE and ANSI.

Learning Objectives

Upon completion, participants will be able to:

• Understand the critical components and layout of industrial and utility substations

• Perform fault analysis and apply circuit breakers effectively based on system requirements

• Design safe and compliant grounding systems and interpret ground potential rise considerations

• Select, specify, and coordinate substation equipment including transformers, breakers, and protection systems

• Address harmonics, insulation coordination, and overvoltage protection using modern standards

• Evaluate the application of Gas-Insulated Substations (GIS) and related equipment

• Integrate protection, control, metering, and automation systems within substation operations

• Apply maintenance strategies and fault location techniques for cables and equipment

Course Modules

1. Overview of Industrial and Utility Substations

• Substation functions and classification

• Key hardware components

• Substation layout and busbar arrangements

2. General Design Considerations

• Site selection and environmental factors

• Safety and maintainability in design

• Typical single-line diagrams and system configurations

3. Fault Calculations and Analysis

• Types of faults: symmetrical and asymmetrical

• Use of symmetrical components

• Software tools for fault analysis

4. Circuit Breaker Application

• Circuit breaker types and classifications

• Selection criteria, ratings, and ANSI/IEEE standards

• Special applications: TRV, generator breakers, out-of-phase switching

5. Substation Equipment Overview

• Disconnects, circuit breakers, power and instrument transformers

• Reactors, cables, batteries, and control wiring

6. Insulation Coordination

• Overvoltage classification: impulse, switching

• Surge arresters and protective levels

• Margin calculation and insulation standards

7. Harmonics in Power Systems

• Harmonic sources and impact

• IEEE 519 and harmonic limits

• Filter application and resonance mitigation

• Harmonics from VFDs

8. Grounding System Design

• Safety objectives and design methodology

• Step and touch voltage considerations

• Fence grounding and ground potential rise

• Practical grounding design example

9. Gas-Insulated Substations (GIS)

• GIS technology overview and configurations

• SF₆ gas handling and safety

• Design considerations and economic comparison

10. Shunt Capacitor Application

• Capacitor bank configurations and ratings

• Protection schemes

• Harmonic resonance concerns and mitigation

11. Protection, Metering & Control Systems

• Relay applications for transformers, buses, feeders, and lines

• Medium voltage protection strategies

• SCADA integration and system automation

• Measurements and instrumentation

12. Maintenance and Cable Fault Testing

• Maintenance strategies for substation equipment

• Cable systems: types, fault characteristics, testing methods

• Fault location principles, cable tracing, and phase identification

Who Should Attend

• Power system engineers

• Substation designers and planners

• Utility and industrial maintenance personnel

• Protection and control engineers

• Electrical inspectors and consultants

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