Wave Propagation on High Voltage Power Lines.

Document Type : Research Studies

Authors

1 Associate Professor, Electrical Power & Machines Department, Faculty of Engineering, Mansoura University, Mansour., Egypt.

2 Associate Professor, Electrical Power & Machines Department, Faculty of Engineering, Mansoura University, Mansoura, Egypt.

3 Electrical Power & Machines Department, Faculty of Engineering, Mansoura University, Mansoura, Egypt.

Abstract

Travelling waves in power systems is of importance in solving problems relating to power-line carrier communication, protection of very long lines, energiestion of unloaded lines and calculation of recovery voltages on cir-cuit breakers under fault conditions. This paper presents comprehensive analyses for wave propagation on single-phase and on three-phase overhead power transmission lines. Using modal quantities, the wave equation are solved. Natural modes are illustrated to clarify the propagation of carrier signals on single circuit lines as well as on double circuit lines. Different transmission line configurations are considered. The effect of power line transposition on carrier modes is also included.








 




 

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