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A practical program in power distribution, focusing on medium voltage (1kV- 36kV) power considerations, switchgear, power cables, transformers, power factor correction, earthing, lightning protection and network studies. You will gain technical know-how in these areas not covered by university or college programs. Contact us now to speak to a Course Advisor and secure your place! Payment is not required until two to four weeks before the course begins.

At the end of this program participants will be able to:

  • Understand practical power distribution fundamentals
  • Determine short-circuit ratings quickly and effectively
  • Assess the influence of fault levers on switchgear ratings
  • Select the correct type of switchgear for the right application
  • Evaluate the advantages of modern state-of-the-art switchgear protection for your applications, including preventative maintenance information
  • Understand practical power distribution fundamentals
  • Recognise the different applications for various cable insulation types
  • Know when and how to use single core cables vs three core cables
  • Specify correct power cable installation methods
  • Correctly utilise and protect power transformers
  • Understand practical power distribution fundamentals
  • Assess and specify correct grounding throughout your electrical network
  • Determine the need for Power Factor Correction (PFC) for your environment
  • Assess the economic justification for installing PFC equipment
  • Correctly specify PFC equipment and be aware of practical consequences
  • Confidently use computer simulation software to solve and predict power network problems


By the end of this course you will be able to:
  • Correctly implement the right type of switchgear for the appropriate application
  • Economically select and install the best-suited power cable for a specific application
  • Evaluate the need for power factor correction and successfully implement correction strategies
  • Implement successful maintenance strategies and procedures
  • Effectively use software techniques to solve problem areas in your power network

Course Outline


  • History and growth of power distribution
  • Benefits of 3-phase AC power system
  • Typical characteristics of an industrial distribution system
  • Voltage classification
  • Multiple voltage levels in power distribution
  • Types of distribution arrangements and redundancy
  • Expandability

MODULE 2: Distribution System Planning

  • The need for system planning
  • Approach to system planning
  • Data collection
  • Protection of future growth of electricity demand
  • Location of key assets
  • Selection of basic system parameters
  • Planning of electrical system configuration
  • Equipment ratings/sizing
  • Selection of appropriate equipment
  • System studies needed for planning
  • Software packages used for system studies

MODULE 3: In-plant Generation and its Integration with Plant Power Systems

  • Why in-plant generation?
  • Cost of power interruptions in critical processes
  • Types of in-plant generation
  • Parallel operation of in-plant generator with external source
  • In-plant power generation sources
  • Integrating in-plant generation with plant distribution


  • Transformer theory
  • Construction
  • Cooling
  • Voltage control
  • Power transformers and distribution transformers
  • Installation of transformers
  • Fire protection measures for large transformer installations
  • Troubleshooting

MODULE 5: Switchgear

  • Indoor and outdoor construction
  • Comparison
  • Metal enclosed switchgear basics
  • Major components
  • Safety features
  • Protection
  • Switchgear ratings
  • Typical switchgear example

MODULE 6: Circuit breakers

  • Types of circuit breakers
  • Comparison of various breakers
  • Construction of typical circuit breaker
  • Fault detection of cable installations
  • Major components and auxiliary systems

MODULE 7: Low voltage distribution

  • LV switchgear types
  • LV circuit breakers
  • Releases for LV circuit breakers

MODULE 8: Cables

  • Types and construction of cables
  • Basic design, selection and sizing
  • Insulating materials for LV and HV cables
  • Accessories for cable installation
  • Fault detection of underground cable installations
  • High voltage power transmission using cables

MODULE 9: Fundamentals of protection

  • Need for protective apparatus
  • Basic requirements
  • Components of protection systems
  • Protection in distribution systems
  • Protective relays for circuit breaker application
  • Role of fuses in LV and MV distribution
  • Protection integrated in LV devices
  • Importance of settings and co-ordination of protective relays
  • Time and current grading

MODULE 10: Earthing and safety

  • Electrical shock - why does it happen?
  • Touch and step potential (voltage)
  • Direct and indirect contact
  • Role of electrical insulation in safety
  • Avoiding electric shock-different approaches
  • Earthing of power supply and its safety implications
  • Role of earthing of equipment enclosures in human safety
  • Earthing in outdoor installations
  • Lightning safety
  • Lightning protection of structures

MODULE 11: Power quality

  • What is power quality?
  • Need for improving power quality
  • Variations in voltage amplitude and reasons
  • Equipment sensitivity
  • Handling voltage abnormalities
  • Tackling voltage fluctuations and flicker
  • Effect of power interruptions and needs of equipment
  • Redundancy and automation
  • Power factor and power factor improvement by capacitor banks

MODULE 12: Asset Management and power system automation

  • Asset records
  • Condition Based Maintenance (CBM)
  • Reliability Centered Maintenance (RCM)
  • Insulation deterioration
  • Diagnostic techniques
  • Problems that may be found during switchgear maintenance
  • Defect management
  • Growth of automation in power industry
  • What is SCADA ?
  • Requirements for the SCADA master station
  • Requirements for SCADA remote units
  • Issues relating to SCADA deployment
  • Power system automation and its functions
  • Power system automation architecture
  • Communications with Network Control Center

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