How can i calculate the thermal limit capacity of transmission line (data known with me (R, L, C ) and voltage rate in my work?
Dear Ahmed
First try with "IEEE Standard for Calculating the Current-Temperature Relationship of
Bare Overhead Conductors, IEEE Std 738-2012 (Revision of IEEE Std 738-
2006 - Incorporates IEEE Std 738-2012 Cor 1-2013) (2013) 1{72)."
Srete
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5th May, 2017
Stelios Ioannou
UCLan Cyprus
I agree with the aforementioned answer by Srete Nikolovski. Also, I would like to add that it is not only overhead lines. There is also a standard for insulated conductors and according to the installation method and ambien temperature then there are the corresponding de-rating factors. These are also included in British Standards for Wiring Regulations (BS 7671).
2 Recommendations
5th May, 2017
Aparna Sathya Murthy
1. voltage drop proportional to the RLCG (specifically R,G) and phase shifts
2. Cable gauge or the skin effect (balance of ac-dc (C,L) or material properties of the conductor (such as thermal conductivity )
3. Current limits (stability based)
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