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Personal Protective Grounding for Electric Power Facilities and Power Lines

  


by Filed under Electrical engineering

File : pdf, 1.66 MB, 89 pages

TOC

1.  Purpose and Scope
  1.1 Purpose
  1.2 Scope
  1.3 Responsibility
  1.4 Cancellation
 
 2.  Definitions and Interpretations
 
 3.  Determine Need for Personal Protective Grounding
  3.1 Uses Permitted
   3.1.1  Over 600 Volts (Required)
   3.1.2  Less Than 600 Volts (Optional)
  3.2 Uses Not Permitted
   3.2.1  Lightning
   3.2.2  Over 50,000 Amperes Available Fault Current
   3.2.3  Nontemporary Installations
 4.  Basic Criteria for Safe Grounding Practices
  4.1 Electric Shock Hazard
  4.2 Protective Grounding Requirements
 
 5.  Ground Cable Assemblies
  5.1 Grounding Cable
   5.1.1  Cable Ampacity
   5.1.2  Parallel Grounds
  5.2 Grounding Cable Jackets
  5.3 Grounding Clamps
  5.4 Ground Cable Ferrules
 
 6.  Application of Protective Ground Cables
  6.1 Determine Maximum Available Fault Current at Worksite
  6.2 Size the Cables
   6.2.1  Cable Size
   6.2.2  Cable Length
  6.3 Inspect Ground Cable Assemblies
  6.4 Obtain a Clearance
  6.5 Confirm De-Energized Status (arc flash hazard analysis required)
   6.5.1  Hot Stick
   6.5.2  Noisy Tester
   6.5.3  Hot Horn or Noisy Tester
   6.5.4  Multiple Range Voltage Detector
   6.5.5  Neon-Type Indicator
   6.5.6  Direct-Reading Voltmeter
  6.6 Clean Connections (arc flash hazard analysis required)
   6.6.1  Wire Brushing
   6.6.2  Self-Cleaning Clamps
  6.7 Grounding Cable Installation
   6.7.1  Ground-End Clamps
   6.7.2  Circuit-End Clamps (arc flash hazard analysis required)
   6.7.3  Multiphase, Worksite Grounding Required
   6.7.4  Parallel Grounds
   6.7.5  Barricade
   6.7.6  Removal
  6.8 Arc Flash Hazard Analysis Required
 
 7.  Power and Pumping Plant Protective Grounding
  7.1 Three-Phase Tee Grounding
  7.2 Double-Isolation Grounding
 
 8.  Switchyard and Substation Protective Grounding
  8.1 General Considerations for Placement of Protective Grounds
  8.2 Power Circuit Breakers and Transformers
  8.3 Disconnect Switches and Bus
  8.4 Insulated High-Voltage Cable
   8.4.1  Cable Terminations
   8.4.2  Midsection and Splices
   8.4.3  Cable Testing
  8.5 Grounding Transformers and Phase Reactors
  8.6 Capacitor Banks
  8.7 Mobile Equipment
 
 9.  Power Line Protective Grounding
  9.1 Grounding on Metal Transmission Structures
  9.2 Grounding on Wood Pole Transmission Structures
  9.3 Transmission Line Terminal Ground Switches
  9.4 Grounding on Distribution Lines
  9.5 Surface Equipment and Vehicle Grounding
  9.6 Opening or Splicing Aerial Conductors
  9.7 Grounding Insulated Power Cable
 
 10.  Care, Inspection, and Testing Protective Grounding Equipment
  10.1 Care
 10.2 Inspection
  10.2.1  Ground Cable Assemblies
  10.2.2  Live-Line Tools
 10.3 Testing
  10.3.1  Ground Cable Assemblies
  10.3.2  Live-Line Tools
 10.4 Records

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8 Responses to “Personal Protective Grounding for Electric Power Facilities and Power Lines”

  1. hossam says:

    i need to any book about electrical power distribution system low voltage and medium voltage thanks alot

  2. TOAN SPK says:

    I NEED ANY BOOK ABOUT POWER ELECTRONIC AND exercise Three Phase Controlled Rectifiers WITH a=30,60,90,120,150…vv. thanks

  3. zulkarnan says:

    really very good books are here on this website.great……
    i need the material on substation engineering and design ,its working, protection schemes and electrical equipment maintenance.
    thanks
    regards

  4. Adeline says:

    Thanks alot! This manual is very helpful!

  5. Ariasa says:

    I would like to say thank you for nice book

  6. Jay Brooks says:

    Where can a person find personal protective ground sets that will clamp to a large
    3200 amp bus. The largest flat face clamps I can find won’t open more than 1.5 ” Our
    only convienently exposed bus is a multilayered copper plate and it is about 2″
    to to 2 1/2″ thick. AB Chance, Salisbury don’t make clamps that open that wide.

  7. Anawa puri says:

    Thanks a lot for d info.

  8. Carlos says:

    Thanks for this file…is very helpful

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