Abstract
Overhead power lines suspend conductors on tower supports and are exposed to mechanical strain or tension which must be below a safe level, therefore, they may not be entirely stressed or stretched and must permitted to have a slope or sag. Sag is the vertical difference in level amongst the transmission towers and the lowermost point of the conductor when it is suspended, and it must be monitored for effective power transmission. Real time monitoring of various power system constraints permits sag monitoring to be incorporated within smart grid systems. This project will propose a sag measurement algorithm for transmission lines based on angle-of-arrival (AoA) detection. Using millimeter-wave (mmWave) transceivers, we assess the network performance by determining different sag levels associated transmission lines. We show that the proposed algorithm is able to perform real time sag monitoring and measurement with minimal communication overhead.