IEEE guide for safety in ac substation grounding /
American National Standard Institute.
- New York : Instituto of electrical and electronics engineers, 1986
- 368 p.
CONTENIDO 1. Introduction 17 2. Safety in Grounding 23 3. Range of Tolerable Current 27 4. Permissible Body Current Limit 31 5. Accidental Ground Circuito 35 6. Criteria of Permissible Potential Difference 43 7. Principal Design Considerations 49 8. Special Considerations for Gas-Insulated Substation (GIS) 55 9. Selection of Conductors and Joints 63 10. Soil Characteristics 71 11. Soil Structure and Selection of Soil Model 75 12. Evaluation of Ground Resistance 81 13. Determination of Maximum Ground Current 91 14. Design of Grounding System 107 15. Investigations of Transferred Potentials 119 16. Investigation of Special Danger Points 123 17. Notes on the Construction of a Grounding System 129 18. Field Measurements of a Constructed Grounding System 133 19. Physical Scale Models 139 20. Bibliography 141 APPENDIXES Appendix A Mathematical Analysis of Gradient Problem 151 Appendix B Graphical Analysis of Square Ground Grids in Uniform Soil 175 Appendix C Sample Calculations 181 Appendix D Special Considerations for Gas-Insulated Substations: Equivalent Circuits and Calculation Notes 193 Appendix E Parametric Analysis of Grounding Systems 207 Appendix F Alphabetical Index of Definitions 223 Appendix G Auxiliary Information 225 Appendixes H-J English Translations of Seleeted Papers 241 Appendix H Fundamental Considerations on Ground Currents 241 Appendix I General Fundamentals of Electrieal Grounding Techniques 285 Appendix J Grounding Methods for High-Voltage Stat10ns with Grounded Neutrals 347 FIGURES
471853933
SAFETY IN GROUNDING GAS INSULATED SUBSTATION SOIL CHARACTERISTICS GROUND RESISTANCE SOIL STRUCTURE SOIL MODEL AC SUBSTATION GROUNDING SAFETY IN ACC SUBSTATION