Which factor can cause inefficiencies in electrical systems regarding load calculations?

Fluctuation in non-linear loads can lead to inefficiencies in electrical systems because these loads do not draw power in a predictable manner. Non-linear loads, such as computers and LED lighting, can contribute to harmonic distortion, which can cause additional heating in conductors and transformers, reduce the efficiency of electrical devices, and potentially lead to equipment failure. The irregular current draw associated with these loads complicates accurate load calculations and management, making it challenging to design systems that accommodate the varying levels of demand effectively.

This inherent variability requires careful analysis and often necessitates additional mitigation strategies, such as the use of harmonic filters or derating transformers, to ensure the system operates efficiently under different load conditions. These measures can increase overall system costs, highlighting the significance of accurately accounting for fluctuating non-linear loads in electrical design and calculations.