Power System Utilization

Loss Load Factor

LLF = 0.3 \times LF + 0.7 \times LF^2

Variables

LLF Loss load factor -
LF Load factor (as a fraction) -
Open Loss Load Factor Calculator →

Engineering Example

At LF = 0.65: LLF = 0.3×0.65 + 0.7×0.65² ≈ 0.490.

Practical Site Example

A standard approximation used to estimate I²R energy losses on a feeder from its load factor alone.