IEEE 367 1988

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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	1988	166

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Description

Revision Standard – Inactive – Superseded. Superseded by IEEE Std 367-1996. Guidance is provided for the calculation of interfering voltages and their appropriate reduction from worst-case values for use in wire-line telecommunication protection design. Information is also included for the determination of the fault current and earth-return current levels; their probability, waveform, and duration; and the impedance to remote earthing points used in these ground potential rise (GPR) and longitudinally induced voltage calculations. The zone of influence of the power station GPR; the calculation of the inducing currents; the mutual impedance between power and wire-line telecommunication facilities and shield factors; and the channel time requirements for wire-line telecommunication facilities where noninterruptible channels are required for protective relaying and other purposes are covered.

PDF Catalog

PDF Pages	PDF Title
10	Example 2: Nonuniform Exposure Mutual Reactance of Ground-Return Circuits in SI Units
14	1 Scope
16	2 Introduction Wire-Line Telecommunication Circuits Faults on Power Systems
17	Power Station Ground Impedance to Remote Earth
19	Establishing Net Fault Current Values Division of Fault Current
20	Calculating the Inducing Current Ground Potential Rise (GPR) Telecommunication Utilities
21	Transient Voltages Resulting from Power System Operation Utilities
22	Defined in ANSI/IEEE Std 487-1980 [51 Summary of Introduction
24	3 Definitions
26	4 References
28	5 Electric Power Station Ground Potential Rise (GPR) 5.1 Statement of the Problem Determination of Appropriate Symmetrical GPR
30	GroundSource
33	L-G and Three-phase Fault Simulation
35	Circuit for Total Zero-Sequence Current (31AOT) Reduction Power Line Shielding
36	Circuit for L-G and Three-phase Fault Analysis
39	Complete Faulted Circuit
41	Fig
42	R-O-W 1 Conductor Configuration Fig
43	230kVBusFault 44 kV Bus Fault Fig
46	Protection
47	230 kV Bus Fault Fig
48	Fig
49	A Sample Computer Program Output Fig
50	Left Station Potential Versus Tower Numbers Fig
51	Fig
52	5.4 Extraordinary Possibilities Fig
53	Example of GPR Calculations and Volt Time Area Calculation Fig
58	Current Curve and Determination of Area No 1 Current Curve and Determination of Area No 2 Current Curve and Determination of Area No 3
60	Graphical Representations of Peak Currents
63	Current B Current BCurrent Determination of Area No 3 for Initial Phase B Current Determination of Area No 4 for Initial Phase B Current Current Current
65	5.6 Summary Area No Total Current for an Evolving Fault
66	Combined Relative Wave Forms
68	Conditions 6.1 Statement of the Problem 6.2 Introduction
69	6.3 General
70	General Configuration for Mutual Impedance
72	Example 1: Uniform Exposure
73	Illustration for Example
75	Evaluation of Mutual Impedance Mutual Resistance of Ground-Return Circuits
76	Mutual Reactance of Ground-Return Circuits
77	Mutual Impedance of Ground-Return Circuits
78	Calculation of Mutual Impedance (Per Unit Length) Mutual Resistance of Ground-Return Circuits in SI Units
80	Mutual Impedance of Ground-Return Circuits in SI Units
81	Inductive Exposure for Example Earth Resistivity
82	Converging Inductive Exposure Diverging Inductive Exposure
83	Curves Correction for Difference in Line Heights
84	Example of Calculations for Part
85	Table 3 Example of Calculations for Part I1
86	Electric Supply Line with Double-End Feed Fault Location for Maximum Induced Voltage and2
87	Correction Factors for Difference in Line Heights Fig
88	Shield Factor for Example
91	Shield Factors for Supply Line with Overhead Ground Wires
92	Table 5 Shield Factors for Alpeth Communications Cable Table 6 Shield Factors for Stalpeth Communications Cable Shield Factors for Tape Armored Communications Cable
93	Typical Supply Line Fault Current Distribution Telecommunication Cable with Continuous Leakage
94	Faults
95	Example
100	with a Longitudinally Induced Voltage 7.1 Statement of Problem 7.2 General
101	Illustrations for Examples 1 and Fig
102	7.3 Example 1: Symmetrical Fault Current
103	7.4 Example 2: Asymmetrical Fault Current
106	8 Power System Fault Current Probability 8.1 General 8.2 Probability Analysis
108	9 Zone of Influence of Ground Potential Rise (GPR) 9.1 Conductive Interference 9.2 Equipotential Lines
109	Zone of Influence of GPR and its Distribution Fig
111	Boundary of the GPR Zone of Influence Fig
112	9.3 Potential Contour Surveys
113	The DC Transient Component
114	The Effects of GPR Within the Zone of Influence The Transfer of a GPR Electric Power Station or Transmission Line Tower
115	Influence and Subject to a GPR Interference
116	Embedded in the Soil Caused by a Tower Ground Grid
117	Ring Electrode
118	Telecommunication Cable as Influenced Conductor
119	Influence and Subject to Interference Cable Subject to Interference)
120	Earth Electrode
122	Fig 48) at 1000 V Interfering Earth Electrode Voltage
123	Influence and Subject to Interference Determination of the Boundary of the Zone of Influence
125	Power Stations
128	9.12 Safety Considerations
130	Induced Voltages or Both 10.1 Introduction 10.2 Mitigating Factors Applicable to Fault Current Calculation
131	10.3 Mitigating Factors Applicable to GPR Calculations
132	the Calculated GPR 10.5 Chemical Grounds
134	11 Communications Channel Time Requirements 11.1 Introduction 11.2 Power Systems
135	11.3 Protection Relays
136	11.4 Relaying Schemes Typical Three-Zone Impedance Relay Reach Fig
137	Typical Impedance Protection System with Communications Fig
139	Fig Simplified Transfer Trip System
140	11.5 Summary Table 8 Typical Trip and Reclose Sequence
142	12 Administrative Guidelines
146	13 Bibliography
152	Mutual Impedance Calculations A1 General A2 Calculation of Mutual Impedance A3 Mutual Impedance Program-HP-67/97
153	Fig A1 Configuration for Mutual Impedance-Example Fig A2 Configuration for Mutual Impedance-Example 2(a) Fig A3 Configuration for Mutual Impedance-Examples 2(b 2(c)
157	Fig A4 User Instructions
158	Table A1 External Mutual Impedance Program-HP-67/97
160	INDEX

Additional information

Standard Title	IEEE Recommended Practice for Determining the Electric Power Station Ground Potential Rise and Induced Voltage from a Power Fault
Published Code	IEEE
Publication Date	1988
Pages Count	166

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