Course Description:

Grounding in power plants requires highly efficient training courses in safety precaution to avoid many field hazards that includes the potential of electric shock, fire, and burns. It is essential for all employees, including supplemental labor, to be aware of the grounding risks associated with electrical work and use appropriate protective methods to minimize the risk of grounding faults.

This course covers all aspect of grounding working in power plants and goes around grounding equipment Topics include electric effect on human, preventive of grounding. Earthing electrodes, earthing connector, earthing electrodes, touch and step voltages, earthing systems lightning and electric charges.

Course Goal:

This course will enhance participants’ knowledge, skills, grounding performance, and will give good concepts on grounding managements and emergency response planning in power generation plants.

Course Objectives:

By the end of the course, participant will be able to:

1. Understand the basic concepts of electric effect on human body.
2. Explain preventive grounding.
3. Apply knowledge of electrical safety and the dangers of improper operation of electrical equipment.
4. Prevent, Report and investigate the various types of step voltages.
5. Apply knowledge of electrostatics.
6. Describe benefit of lightning protection.
7. Explain the effect of the frequency , duration, magnitude of the current on the human body.

Course Outline:

• Concept Of Grounding

• 1. Introduction to grounding
  2. Classification of grounding areas.
  3. Frequency Hazards recognition and methods of control.
  4. Current Hazards types (magnitude and value)
  5. Hazards of Static Electricity, Lightning and Stray Current

• Means of grounding
• Current scotch hazards
• Range of tolerable voltages
• Range of tolerable current

• 1. Effect of frequency
  2. Effect of magnitude
  3. Effect of duration
  4. Importance of high speed fault cleaning

• Protection of personnel

• 1. Physiological reactions
  2. Body resistance
  3. Step voltages
  4. Touch voltages

• Accident ground circuit

• 1. Current paths
  2. Fault equivalent
• Ground equipments
  1. Ground equivalent and methods
  2. Ground cables
  3. Master ground
  4. Personnel ground
  5. Ground grid
• Methods
  1. Soil resistance
  2. Rod depth

Who Can Benefit?

All engineers and technicians involved in the power sectors and power station operation and maintenance, and also in the factories, and enterprises, especially in distribution system.