IEEE 1243:1997

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GUIDE FOR IMPROVING THE LIGHTNING PERFORMANCE OF TRANSMISSION LINES

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Withdrawn date: 21-07-2023

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Published date: 16-12-1997

Publisher: Institute of Electrical & Electronics Engineers

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1 Overview
1.1 Scope
1.2 Purpose
1.3 Disclaimer
2 References
3 Definitions and Acronyms
3.1 Definitions
3.2 Acronyms
4 Route selection
4.1 Lightning frequency of incidence
4.2 Route effects
4.3 Structure height
4.4 Soil resistivity
4.5 Adjacent environment
5 Shielding
5.1 Shielding angle
5.2 The final leader step
5.3 Structure height
5.4 Shielding and engineering
5.5 Shielding of the center phase
5.6 Overhead ground wire size and operating losses
6 Insulation
6.1 Effect of voltage waveshapes
6.2 Effect of insulation levels and insulation type
6.3 Wood or fiberglass in series with insulators
6.4 Effect of power-line voltage
7 Tower footing impedance
7.1 Composite line performance
7.2 Supplemental grounding
7.3 Counterpoise
7.4 Resistance of complex footings
7.5 Special grounding effects
8 Special methods of improving lightning performance
8.1 Additional shield wires
8.2 Guy wires on transmission towers
8.3 Ground wire on separate structures
8.4 Line surge arresters
8.5 Unbalanced insulation on double-circuit lines
8.6 Active air terminals
Annex A (informative) Isolated bonding of wooden structures
Annex B (normative) The FLASH program
Annex C (informative) Bibliography

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The effects of routing, structure type, insulation, shielding, and grounding on transmission lines are discussed.

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Document Type	Standard
ISBN
Pages
Product Note	THIS STANDARD ALSO REFERS TO ΑΝSI C2−1997, ANSI C29.8-1985
Published
Publisher	Institute of Electrical & Electronics Engineers
Status	Withdrawn

Standards Referenced By This Book - (Show below) - (Hide below)

IEEE 487.3-2014	IEEE Standard for the Electrical Protection of Communication Facilities Serving Electric Supply Locations Through the Use of Hybrid Facilities
IEEE DRAFT C62.22 : D8 2005	GUIDE FOR THE APPLICATION OF METAL-OXIDE SURGE ARRESTERS FOR ALTERNATING-CURRENT SYSTEMS
IEEE 487.2-2013	IEEE Standard for the Electrical Protection of Communication Facilities Serving Electric Supply Locations through the Use of Optical Fiber Systems
IEEE 1862-2014	IEEE Recommended Practice for Overvoltage and Insulation Coordination of Transmission Systems at 1000 kV AC and Above
IEEE 998-2012	IEEE Guide for Direct Lightning Stroke Shielding of Substations
IEEE 1590-2009 REDLINE	IEEE Recommended Practice for the Electrical Protection of Communication Facilities Serving Electric Supply Locations Using Optical Fiber Systems

Standards Referencing This Book - (Show below) - (Hide below)

ANSI/NEMA C29.2-2012	INSULATORS - WET PROCESS PORCELAIN AND TOUGHENED GLASS - SUSPENSION TYPE
ANSI C29.1 : 1988	TEST METHODS FOR ELECTRICAL POWER INSULATORS
IEEE C2-2017	NATIONAL ELECTRICAL SAFETY CODE (NESC)(R)

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