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CEI EN 50160—harmonic voltages amplitudes at the power supply terminals (% of the fundamental voltage).
| Odd Harmonics | Even Harmonics | ||||
|---|---|---|---|---|---|
| Non-Multiple of 3 | Multiple of 3 | ||||
| Harmonic Order h | Relative Amplitude Uh | Harmonic Order h | Relative Amplitude Uh | Harmonic Order h | Relative Amplitude Uh |
| 5 | 6.0% | 3 | 5.0% | 2 | 2.0% |
| 7 | 5.0% | 9 | 1.5% | 4 | 1.0% |
| 11 | 3.5% | 15 | 0.5% | 6…24 | 0.5% |
| 13 | 3.0% | 21 | 0.5% | ||
| 17 | 2.0% | ||||
| 19 | 1.5% | ||||
| 23 | 1.5% | ||||
| 25 | 1.5% | ||||
