Short Circuit Data
Typical equipment impedances (%Z) and X/R ratios for short circuit calculations per IEEE 141 (Red Book) and IEEE 551 (Violet Book). Covers transformers by kVA, utility sources by voltage level, cables, motor contributions, generators, and reactors.
Attributes
impedance_pct_min%
impedance_pct_typical%
impedance_pct_max%
xr_ratio_mindimensionless
xr_ratio_typicaldimensionless
xr_ratio_maxdimensionless
mva_baseMVA
asym_multiplier_typicaldimensionless
notes
Browse data
Search the full short circuit data dataset with natural language or structured queries.
Search this table