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IEEE 367 1996:1997 Edition

$95.88

IEEE Recommended Practice for Determining the Electric Power Station Ground Potential Rise and Induced Voltage from a Power Fault

Published By Publication Date Number of Pages
IEEE 1997 131
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Revision Standard – Inactive – Superseded. 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.

PDF Catalog

PDF Pages PDF Title
1 Title Page
3 Introduction
Participants
5 CONTENTS
7 1. Overview
1.1 Scope
8 2. References
3. Definitions
10 4. Overview of technical considerations
4.1 Telecommunication facilities
4.2 Faults on power systems
11 4.3 Power station ground grid impedance to remote earth
13 4.4 Establishing net fault current values
4.5 Division of fault current
14 4.6 Calculating the inducing current
4.7 Ground potential rise (GPR)
4.8 Sources of fault and inducing current information and impedance to remote earth information a…
15 4.9 Transient voltages resulting from power system operation
4.10 Types of wire-line telecommunication circuits usually requested for electric power stations …
16 4.11 Service types and performance objectives for telecommunication services provided at power st…
5. Electrical power station GPR
17 5.1 Determination of appropriate symmetrical and asymmetrical GPR
39 5.2 Duration of the fault and its relationship to wire-line telecommunication requirements for po…
41 5.3 Extraordinary possibilities
42 5.4 Example of a GPR calculation and volt time area calculation
57 5.5 Summary
58 6. Calculation of electromagnetic induction under power fault conditions
59 6.1 Inducing current
6.2 Mutual impedance
63 6.3 General formula
6.4 Examples of calculations
73 6.5 Cumulative mutual impedance and electromagnetic induction curves
76 6.6 Correction for difference in line heights
6.7 Electric supply line with double-end feed
6.8 Fault location for maximum induced voltage
77 6.9 Shield factor
82 6.10 Typical supply line fault current distribution
83 6.11 Example 3: Double-ended supply feed
88 7. Vectorial summation of a GPR with an LI voltage
89 7.1 Calculating the resultant voltage
93 8. Power system fault current probability
8.1 Probability analysis
94 9. ZOI of GPR
9.1 Conductive interference
95 9.2 Equipotential lines
97 9.3 Potential contour surveys
100 9.4 Effects of GPR within the ZOI
101 9.5 Transfer of a GPR
9.6 Determining the magnitude of the GPR in the vicinity of an electric power station or transmis…
103 9.7 Cases
111 9.8 Determination of the boundary of the ZOI
114 9.9 Safety considerations
10. Summary of mitigating and reduction factors applicable to GPR or induced voltages, or both
115 10.1 Mitigating factors applicable to fault current calculation
117 10.2 Mitigating factors applicable to GPR calculations
118 10.3 Reduction or multiplication design factors to be used with the calculated GPR
10.4 Chemical grounds
119 11. Communication channel time requirements
11.1 Power system fault protection
120 11.2 Protective relay types
11.3 Communication systems factors
122 11.4 Relaying schemes
125 12. Administrative guidelines for coordination between communication and power utilities
12.1 Acquiring data on substation electrical environments
126 12.2 Studies of substation electrical environment
13. Bibliography
IEEE 367 1996
$95.88