What are the disadvantages of SAG?

Moreover, the repair and replacement of damaged conductors can be time-consuming and costly, further exacerbating the issue. Therefore, it is crucial to maintain an optimal Sag to ensure the safe and efficient operation of transmission lines.

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The disadvantage of SAG in electrical transmission lines is a significant concern. When the Sag, which refers to the vertical distance between the lowest point of a conductor and a specified horizontal plane, is too small, it can have detrimental effects on the integrity of the transmission system.

Specifically, if the Sag is reduced beyond a certain point, it results in an increase in the tension between the supports holding the conductors. This heightened tension places immense stress on the conductors, making them more susceptible to damage.

The heightened tension can eventually lead to the conductors breaking, causing a disruption in the Flow of electricity and potentially leading to power outages. This not only inconveniences consumers but also has significant economic implications for utilities and industries reliant on a stable power supply.