Revision Standard – Active. Guidance for the calculation of power station ground potential rise (GPR) and longitudinal induction (LI) voltages is provided, as well as guidance for their appropriate reduction from worst-case values, for use in metallic telecommunication protection design.<\/p>\n
| PDF Pages<\/th>\n | PDF Title<\/th>\n<\/tr>\n | ||||||
|---|---|---|---|---|---|---|---|
| 1<\/td>\n | IEEE Std 367-2012 Front cover \n <\/td>\n<\/tr>\n | ||||||
| 3<\/td>\n | Title page \n <\/td>\n<\/tr>\n | ||||||
| 6<\/td>\n | Notice to users Laws and regulations Copyrights Updating of IEEE documents Errata Patents <\/td>\n<\/tr>\n | ||||||
| 8<\/td>\n | Participants <\/td>\n<\/tr>\n | ||||||
| 10<\/td>\n | Introduction <\/td>\n<\/tr>\n | ||||||
| 11<\/td>\n | Contents <\/td>\n<\/tr>\n | ||||||
| 13<\/td>\n | Important notice \n 1. Overview 1.1 Scope <\/td>\n<\/tr>\n | ||||||
| 14<\/td>\n | 2. Normative references 3. Definitions, acronyms, and abbreviations 3.1 Definitions <\/td>\n<\/tr>\n | ||||||
| 16<\/td>\n | 3.2 Acronyms and abbreviations <\/td>\n<\/tr>\n | ||||||
| 17<\/td>\n | 4. Overview of technical considerations 4.1 Telecommunication facilities <\/td>\n<\/tr>\n | ||||||
| 18<\/td>\n | 4.2 Faults on power systems 4.3 Power station ground grid impedance to remote earth <\/td>\n<\/tr>\n | ||||||
| 21<\/td>\n | 4.4 Establishing net fault current values 4.5 Division of fault current 4.6 Calculating the inducing current <\/td>\n<\/tr>\n | ||||||
| 22<\/td>\n | 4.7 Ground potential rise 4.8 Sources of fault and inducing current information and impedance to remote earth information and related responsibilities of power utilities and serving telecommunication utilities <\/td>\n<\/tr>\n | ||||||
| 23<\/td>\n | 4.9 Transient voltages resulting from power system operation 4.10 Types of wire-line telecommunication circuits usually requested for electric power stations as defined by some power utilities 4.11 Service types and performance objectives for telecommunication services provided at power stations as defined in IEEE Std 487 <\/td>\n<\/tr>\n | ||||||
| 24<\/td>\n | 5. Electrical power station GPR 5.1 Determination of appropriate symmetrical and asymmetrical GPR <\/td>\n<\/tr>\n | ||||||
| 40<\/td>\n | 5.2 Duration of the fault and its relationship to wire-line telecommunication requirements for power system protection <\/td>\n<\/tr>\n | ||||||
| 41<\/td>\n | 5.3 Extraordinary possibilities <\/td>\n<\/tr>\n | ||||||
| 42<\/td>\n | 5.4 Example of a GPR calculation and volt-time area calculation 5.5 Summary <\/td>\n<\/tr>\n | ||||||
| 43<\/td>\n | 5.6 Multigrounded neutral impedance in rural areas <\/td>\n<\/tr>\n | ||||||
| 45<\/td>\n | 5.7 GPR calculations for distributed generation <\/td>\n<\/tr>\n | ||||||
| 47<\/td>\n | 6. Calculation of electromagnetic induction under power fault conditions <\/td>\n<\/tr>\n | ||||||
| 48<\/td>\n | 6.1 Inducing current 6.2 Mutual impedance <\/td>\n<\/tr>\n | ||||||
| 51<\/td>\n | 6.3 General equation <\/td>\n<\/tr>\n | ||||||
| 55<\/td>\n | 6.4 Examples of calculations 6.5 Cumulative mutual impedance and electromagnetic induction curves 6.6 Correction for difference in line heights <\/td>\n<\/tr>\n | ||||||
| 56<\/td>\n | 6.7 Electric supply line with double-end feed 6.8 Fault location for maximum induced voltage <\/td>\n<\/tr>\n | ||||||
| 57<\/td>\n | 6.9 Shield factor <\/td>\n<\/tr>\n | ||||||
| 61<\/td>\n | 6.10 Typical supply line fault current distribution <\/td>\n<\/tr>\n | ||||||
| 63<\/td>\n | 7. Vectorial summation of a GPR with an LI voltage 7.1 Calculating the resultant voltage 8. Power system fault current probability 8.1 Probability analysis <\/td>\n<\/tr>\n | ||||||
| 64<\/td>\n | 9. ZOI of GPR 9.1 Conductive interference <\/td>\n<\/tr>\n | ||||||
| 65<\/td>\n | 9.2 Equipotential lines <\/td>\n<\/tr>\n | ||||||
| 71<\/td>\n | 9.3 Potential contour surveys <\/td>\n<\/tr>\n | ||||||
| 73<\/td>\n | 9.4 Effects of GPR within the ZOI 9.5 Transfer of a GPR <\/td>\n<\/tr>\n | ||||||
| 74<\/td>\n | 9.6 Determining the magnitude of the GPR in the vicinity of an electric power station or transmission line tower <\/td>\n<\/tr>\n | ||||||
| 76<\/td>\n | 9.7 Cases <\/td>\n<\/tr>\n | ||||||
| 83<\/td>\n | 9.8 Determination of the boundary of the ZOI <\/td>\n<\/tr>\n | ||||||
| 87<\/td>\n | 9.9 Safety considerations <\/td>\n<\/tr>\n | ||||||
| 89<\/td>\n | 10. Summary of mitigating and reduction factors applicable to GPR or induced voltage, or both 10.1 Mitigating factors applicable to fault current calculation <\/td>\n<\/tr>\n | ||||||
| 90<\/td>\n | 10.2 Mitigating factors applicable to GPR calculations <\/td>\n<\/tr>\n | ||||||
| 91<\/td>\n | 10.3 Reduction or multiplication design factors to be used with calculated GPR 10.4 Treating soil to lower impedance <\/td>\n<\/tr>\n | ||||||
| 92<\/td>\n | 11. Communication channel time requirements 11.1 Power system fault protection <\/td>\n<\/tr>\n | ||||||
| 93<\/td>\n | 11.2 Protective relay types <\/td>\n<\/tr>\n | ||||||
| 94<\/td>\n | 11.3 Communication systems factors <\/td>\n<\/tr>\n | ||||||
| 95<\/td>\n | 11.4 Relaying schemes <\/td>\n<\/tr>\n | ||||||
| 98<\/td>\n | 12. Administrative guidelines for coordination between communication and power utilities 12.1 Acquiring data on substation electrical environments <\/td>\n<\/tr>\n | ||||||
| 99<\/td>\n | 12.2 Studies of substation electrical environment <\/td>\n<\/tr>\n | ||||||
| 100<\/td>\n | Annex A (informative) \nBibliography <\/td>\n<\/tr>\n | ||||||
| 105<\/td>\n | Annex B (informative) \nExample of calculations for HV bus fault and LV bus and line fault B.1 Example 1: HV bus fault and LV bus and line fault calculations <\/td>\n<\/tr>\n | ||||||
| 110<\/td>\n | B.2 Example 2: HV line fault calculations <\/td>\n<\/tr>\n | ||||||
| 115<\/td>\n | Annex C (informative) \nExample of a GPR calculation and volt-time area calculation C.1 Example of a GPR calculation and volt-time area calculation <\/td>\n<\/tr>\n | ||||||
| 130<\/td>\n | Annex D (informative) \nExample of calculations for uniform and nonuniform exposures D.1 Examples of calculations D.2 Example 1: Uniform exposure <\/td>\n<\/tr>\n | ||||||
| 139<\/td>\n | D.3 Example 2: Nonuniform exposure <\/td>\n<\/tr>\n | ||||||
| 145<\/td>\n | Annex E (informative) \nExample of calculations for double-ended supply feed and a telecommunication line E.1 Example: Double-ended supply feed <\/td>\n<\/tr>\n | ||||||
| 149<\/td>\n | Annex F (informative) \nExamples of calculating the resultant voltage between the electric power station ground grid and a conductor that is grounded at a remote location, such as a telephone central office F.1 Calculating the resultant voltage <\/td>\n<\/tr>\n | ||||||
| 154<\/td>\n | Annex G (informative) \nModeling transfer of ground potential rise G.1 Transfer of GPR G.2 Description of the model of the system <\/td>\n<\/tr>\n | ||||||
| 157<\/td>\n | G.3 Calculation results for the impedance of the grounding system modeled <\/td>\n<\/tr>\n | ||||||
| 158<\/td>\n | G.4 Calculation results for transferred voltages on the skywire and the neutrals <\/td>\n<\/tr>\n | ||||||
| 159<\/td>\n | G.5 Zone of influence of the installation <\/td>\n<\/tr>\n | ||||||
| 161<\/td>\n | G.6 Transferred voltages on a buried conductor <\/td>\n<\/tr>\n | ||||||
| 164<\/td>\n | G.7 Combined effects of conductive and inductive coupling on buried conductors <\/td>\n<\/tr>\n | ||||||
| 165<\/td>\n | Annex H (informative) \nSample GPR calculations H.1 Calculation of GPR <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":" IEEE Recommended Practice for Determining the Electric Power Station Ground Potential Rise and Induced Voltage from a Power Fault<\/b><\/p>\n |