Integrated Grounding System Design and Testing
Comprehensive coverage of grounding system design for safety and lightning shielding, including soil characterization, modeling, data preparation, and practical design procedures. Learners analyze ground potential rise, touch and step voltages, and impacts on nearby structures using the WinIGS program to design effective substation lightning shielding systems.
What you'll learn
- Understand basic principles and step-by-step procedures for grounding system design for safety and lightning shielding
- Learn soil characterization, modeling requirements, and data preparation for substation ground system design
- Analyze and control ground potential rise, touch, and step voltages and their impact on nearby structures using WinIGS
- Design substation lightning shielding systems to minimize risk from lightning overvoltages
Skills you'll gain
- Apply grounding system design principles for safety and lightning shielding
- Model power systems for grounding design, including ground potential rise reduction and shielding analysis
- Evaluate grounding system performance including fault current distribution, transferred, touch, and step voltages
- Use IEEE Std. 80 design procedures and compare with IEC-479-1 criteria
- Characterize soil and interpret soil resistivity measurements using methods such as Wenner and Smart Ground Multimeter
- Design ground mats to control touch, mesh, step, and metal-to-metal touch voltages
- Perform integrated grounding system design including transfer voltages, cable shielding, and design optimization
- Design substation lightning shielding using shielding angle, EGM method, and risk assessment
- Analyze and mitigate lightning overvoltages, surge impedance, and transferred voltages to control circuits
- Conduct and interpret ground impedance, soil resistivity, touch and step voltage, and transfer voltage measurements
- Evaluate grounding systems through field testing and workshops using tools like WinIGS and Smart Ground Multimeter software
Prerequisites
- • Background in electric power systems or substation engineering (implied)
- • Familiarity with grounding and lightning protection concepts (implied)
Who this course is for
- → Electric power utility engineers involved in substation design
- → Engineers responsible for testing and design of grounding systems
- → Engineers engaged in design and testing of power systems for commercial installations
- → Engineers engaged in design and testing of power systems for industrial installations
Provider
Georgia Tech Professional Education
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