High Voltage Electrical
Substations
Operations, Safety, and Maintenance
Training for Operators
07 – 11 July 2025
Sandton Centre
Johannesburg South Africa

Register Now! Limited Seats Available!
R19, 999.00 Per Delegate
Course overview
High Voltage Electrical Substations play a critical role in the transmission and distribution of electricity. This course is designed to provide operators with comprehensive knowledge of substation functions, equipment, and operational procedures. Participants will gain hands-on experience in managing substation tasks and troubleshooting issues while emphasizing safety and regulatory compliance. Whether you are new to the field or seeking to enhance your skills, this course offers a practical and thorough approach to mastering substation operations.
Course Objectives
- To provide operators with a solid understanding of high voltage substation components, functions, and operations.
- To equip participants with knowledge of safety protocols and operational best practices.
- To develop skills in managing substation equipment, troubleshooting faults, and conducting safe switching operations.
- To ensure compliance with industry standards and regulations in substation management.
Who Should Attend
- Substation operators and technicians.
- Maintenance personnel working with high voltage systems.
- Engineers and supervisors overseeing substation operations.
- Safety officers involved in high voltage environments.
- New employees in the electrical utility industry looking to gain foundational knowledge of substations.
Course Outline
- Introduction to Electrical Substations
- Definition and Purpose
- Role of substations in the power system.
- Types of substations (step-up, step-down, distribution, and switching).
- Basic Components
- Transformers, switchgear, circuit breakers, isolators, and busbars.
- Control and protection systems overview.
- Substation Equipment Overview
- Transformers
- Function and types (power and instrument transformers).
- Transformer cooling methods.
- Switchgear
- Air-insulated vs gas-insulated switchgear (AIS vs GIS).
- Circuit breakers (SF₆, vacuum, oil, and air).
- Protection Systems
- Relays and fuses.
- Surge arresters and grounding systems.
- Substation Operations
- Daily Routine Checks
- Inspection and monitoring procedures.
- Identifying abnormalities (noise, heat, or physical signs).
- Switching Operations
- Safe isolation and earthing.
- Step-by-step switching procedures for equipment energization and de-energization.
- Safety in High Voltage Substations
- Electrical Hazards
- Arc flash and shock risks.
- High-voltage insulation principles.
- Personal Protective Equipment (PPE)
- Importance and proper use.
- Lockout/Tagout (LOTO)
- Procedures for safe maintenance.
- Emergency Response
- Handling electrical fires, faults, and accidents.
- Monitoring and Control
- Supervisory Control and Data Acquisition (SCADA)
- Role in substation monitoring and operation.
- Basic SCADA navigation and alarm handling.
- Load Monitoring
- Understanding power flow and system demand.
- Voltage regulation and reactive power management.
- Maintenance Basics for Operators
- Preventive Maintenance
- Routine equipment inspections and diagnostics.
- Understanding thermal imaging, oil sampling, and insulation testing.
- Condition Monitoring
- Identifying early warning signs of equipment failure.
- Fault Identification and Reporting
- Common Faults in Substations
- Transformer faults, breaker malfunctions, and relay issues.
- Fault Logging and Communication
- Proper documentation and escalation procedures.
- Environmental and Regulatory Compliance
- Environmental Protection
- Handling SF₆ gas and oil spillage.
- Waste management in substations.
- Regulatory Standards
- National and international standards for high-voltage systems.
- Operator responsibilities in compliance.
- Practical Hands-On Training
- Simulation Exercises
- Real-life scenarios for switching and fault isolation.
- On-Site Training
- Guided walk-throughs of actual substations.
- Equipment Demonstrations
- Handling and operating substation tools and devices.
End of the workshop
IN HOUSE AND ONLINE TRAINING

While both In-House and Online training can present with cost-effectiveness and time-efficacy, there are some very specific differences between in-house courses and those based online.
The demand for additional courses by individuals or groups of people is increasing. Still, it depends entirely on the preferences of a person what type of training he or she wants to receive. Online courses and in-house training carry some similarities but they are considered to exhibit some very pivotal differences too. Despite that, both types of learning can be really beneficial for attendees.
For Registration and other Training arrangements,
contact us on the detail below.
SOUTH AFRICA : +27 11 057 6001
TANZANIA Cell: +255 769 688 544
WhatsApp +27 79 574 0389
info@bmktraining.co.za / www.bmktraining.com
