HV/MV/LV Substation Design, Construction & Maintenance
Comprehensive HV, MV and LV substation design, construction and maintenance training. Learn protection systems, earthing, testing and commissioning best practices.
- Online – Microsoft Teams
- 11 – 12 June 2026
- 2 CPD Points
- Price : R 8 999.00
LEARNING OUTCOMES
After successfully completing this course, you will be able to:
Have an overall understanding of substation technology
Understand the concept of substation design practices and equipment selection
Interpret single-line diagrams (SLDs), schematics, and layout drawings.
Acquire in-depth knowledge of substation earthing design, determination of step potential, touch potential, grid potential rise etc.
Understand and apply different methods and technologies of preventive, predictive and corrective maintenance of substation
Introduction
- Classification of sub-stations and purposes
- Comparison between indoor and outdoor substations
- Transformer substations, pole mounted substations, underground substations
- Bus-bar arrangement in substations
- Key diagram of 66/11 substation, 11kV/400 V substation
substation design considerations
- Site selection
- Environmental considerations
- Safety considerations
- Maintenance considerations
Substation Physical layout
- Layout considerations
- Distribution substations
- Transmission substations
- Protection of substation insulation
- Electrical clearances
- Bare conductors
- Rigid bus design
- Application of mobile transformers and substations
Selection and application of Substation equipment
- Major substation equipment: Power transformer, power circuit breakers, Metal Clad switchgear, substation voltage regulators, shunt capacitor equipment, air switches, surge arresters, automatic circuit reclosers, instrument transformers, coupling capacitors and coupling capacitor voltage transformers, mobile units
- indoor cellular substations, gas-insulated substations (GIS) and 22kV-132kV mobile substation skids for open-cast mining
- Secondary Substation Equipment
- Bill of materials (BOM) and Bill of quantities (BOQ)
- Substation control and automation
Design of Substation grounding system
- Differences in earthing design for various voltage levels (HV, MV & LV)
- Earthing design flowchart
- Grid Design Procedures and data requirements
- Substation earthing system components
- Common Substation earthing conductors
- Preliminary Design
- Main earth grid installation layout
- Use of Computer Analysis in Grid Design
- 132/11 kV substation earthing practical design example
- 132/33 kV substation earthing practical design example
Substation Maintenance Program
- Circuit Breaker Maintenance
- Dissolved Gas Analysis
- Oil Quality: Dielectric Strength, Acid, Interfacial Tension, Power Factor, Water
- Relay maintenance – Electro-mechanical relays only
- Relay functional testing – All relays
- Battery Maintenance - Capacity discharge testing, Intercell resistance, Specific gravity, Temperature, Electrolyte level
- Series Capacitor Bank, Maintenance
- Equipment Inspections
- Public Safety Inspections: Warning signs, Fence and gate integrity, Ground erosion, Vandalism, Vegetation, outside grading or other providing, potential access
- Doble Testing: Overall tests, Bushing tests, Hi-collar tests, Oil tests, Surge arrester tests, SFRA and LR testing