Table 2 Current and total harmonic distortion on each phase
From: The effect of nonlinear loads on the underground distribution cables: a case study
Phase | Current (A) | Without harmonic loads | With harmonic loads | |||
|---|---|---|---|---|---|---|
Loads types | THD % | Loads types | Source | THD % | ||
A | 18.22 | Resistance banks | 4.35 | Fluorescent lamps | Single | 50.8 |
One branch of resistance bank | Single | |||||
Adjustable speed drive | Three | |||||
B | 18.78 | Resistance banks | 4.35 | Auto-transformer | Single | 34.4 |
Two branches of resistance bank | Single | |||||
Adjustable speed drive | Three | |||||
C | 18.32 | Resistance banks | 4.35 | Power supply | Single | 44.8 |
Tungsten coils | Single | |||||
Adjustable speed drive | Three | |||||