1. Setting range of no-load voltage: 95%~105%

2. Steady state voltage adjustment rate: ≤ ± 1%

3. Transient voltage adjustment rate: ≤ -15%~+20%

4. Voltage recovery time: ≤ 3s

5. Voltage fluctuation rate: ≤ ± 0.5%

6. Steady state frequency adjustment rate: ≤ 5%

7. Transient frequency adjustment rate: ≤ ± 10%

8. Frequency stability time: ≤ 5s

9. Sinusoidal distortion rate of line voltage waveform: ≤ 2.5%