Load Parameters
kW
V
lagging
Hz
Harmonic Distortion Indicator
Estimated THD (IEEE 519)--%
Low (<5%)ModerateHigh (>10%)
Awaiting Input
Three‑Phase Results
Line Current (IL)
--A
Phase Current (Iφ)*
--A
Apparent Power (S)
--kVA
Reactive Power (Q)
--kVAR
PF Correction kVAR (to 0.95)
--kVAR
Formulas & Code
P3φ = √3 · VLL · IL · PF
IL = P / (√3·VLL·PF)
Iφ = IL (wye connection)
S = P / PF Q = √(S²−P²)
Correction: Qc = P·(tan θ₁ − tan θ₂) where θ₂ = acos(0.95)
THD estimation based on PF and current distortion (IEEE 519).
Balanced Phasor Diagram (3‑Phase)
Three‑Phase Power Triangle