IEEE 738 : 2012
IEEE 738 : 2012
CALCULATING THE CURRENT-TEMPERATURE RELATIONSHIP OF BARE OVERHEAD CONDUCTORS
Institute of Electrical & Electronics Engineers
CALCULATING THE CURRENT-TEMPERATURE RELATIONSHIP OF BARE OVERHEAD CONDUCTORS
Institute of Electrical & Electronics Engineers
1 Overview
2 Definitions
3 Units and identification of letter symbols
4 Temperature calculation methods
5 Temperature calculation methods
Annex A (informative) - ('RATEIEEE' numerical method
listing - SI units) flowchart of numerical
method
Annex B (informative) - Numerical example: steady-state
conductor temperature calculation (SI units)
Annex C (informative) - Numerical example: Steady-state
thermal rating calculation (SI units)
Annex D (informative) - Numerical calculation of transient
conductor temperature
Annex E (informative) - Numerical Calculation of Transient
Thermal Rating
Annex F (informative) - Conductor thermal time constant
Annex G (informative) - Selection of weather conditions
Annex H (informative) - Tables for solar heating and air
properties
Annex I (informative) - Bibliography
Defines a numerical method by which the core and surface temperatures of a bare stranded overhead conductor are related to the steady or time-varying electrical current and weather conditions.
Document Type | Standard |
Status | Current |
Publisher | Institute of Electrical & Electronics Engineers |
Supersedes |
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