Features:
1) Conforms to IEC standard and GB/T 15548-95
2) Steady-state voltage adjusting rate: ≤±2.0%
3) Transient-state voltage adjusting rate: ≤±-15+20%
4) Voltage setting range: ≥+10%UN
5) Line voltage waveform distortion rate: ≤5%
6) Voltage deviation rate under three-phase asymmetric load: ≤5%
7) The average efficiency reaches a world advanced level