1. Network feed frequency, Hz 60±5% 2. Number of phases 3 3. Power network feed voltage, V 380±10% 4. Control system feed voltage, V 220±10% 5. Maximum rectified voltage, V -500, +500 6. Rectified voltage change range, V 30-500 7. Nominal rectified current, A 600 (at pulse/interval ratio=<1 8. Voltage and current measurement precision ±3% 9. Voltage stabilization precision of SR ±5% 10. Current stabilization precision of SR ±5% 11. Operation duty continuous, surface~100% 12. Dimension of SR 1400x800x600mm 13. Cooling of SR forced air