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ECE 6616PD

Electric Safety and Grounding System Design

Graduate

Undated

Topics

  • Electric Shocks, Affected Body Parts, Summary of Causes-Injuries and Death, Flash and Thermal Protection, Safety Grounding Equipment
  • The Six Step-Safety Methods, Safe Switching of Power Systems
  • Energy Control Program, Placement of safety Grounds
  • Flash Hazard Calculations and Approach Distances
  • Tool and Test Equipment
  • Line Inductance, Resistance, Capacitance
  • Analysis of Simple Grounding Systems
  • Body Currents Due to Touch and Step Voltages
  • Grounding System safety Assessment
  • Equivalent Circuit Representation of Grounding Systems
  • Parametric Analysis of Substation Ground Mats
  • The General Transmission Line Model
  • Modal decomposition, Equivalent Circuit, Transmission Line Power Equations
  • Sequence Models of Three Phase Apparatus
  • Fault Analysis Based on Sequence Models
  • Ground Potential Rise During Faults
  • Fault Current Distribution Based on Sequence Models
  • Direct Phase Analysis
  • Transfer Voltage During Faults
  • Problem Formulation, Determination of Soil Model
  • Computation of Ground Resistances, Maximum Ground Potential Rise
  • Investigation of Touch and Step Voltages, Safety Assessment
  • The regulatory Bodies, The National Electric Safety Code (NESC)
  • The National Electrical Code (NEC) - ANSI/ NFPA 70

Readings

  • Electrical Safety Handbook
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  • IEEE Recommended Practice for Grounding of Industrial and Commercial Power Systems
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  • IEEE Guide for Safety in AC Substation Grounding
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  • IEEE Guide for the Application of Neutral Grounding in Electrical Utility Systems: Part II- Grounding of Synchronous Generator Systems
    unspecified
  • IEEE Guide for the Application of Neutral Grounding in Electrical Utility Systems Part V- Transmission Systems and Subtransmission Systems
    unspecified
  • IEEE Recommended Practice for Determining the Electric Power Substation Ground Potential Rise and Induced Voltage from a Power Fault
    unspecified
  • Analysis Techniques for Power Substation Grounding Systems Volume 1: Design Methodology and tests
    unspecified
  • Fundamentals of Electrical Safety
    unspecified
Sources