DVS ELECTRO-MECHANICAL VOLTAGE STABILIZERS
three-phase
60 – 4000kVA
three-phase
60 – 4000kVA
Voltage Stabilisation | Independent phase control |
Output voltage selectable via display , PC and/ or Ethernet * | from 210 to 255V (L-N) from 360 to 440V (L-L) |
Output voltage accuracy | ± 0,5% |
Frequency | 50Hz ±5% or 60 Hz ±5% |
Admitted load variation | Up to 100% |
Admitted load imbalance | 100% |
Cooling | Natural air ventilatioin. Above 35° C aided with fans |
Ambient temperature | -25/+45° C |
Storage temperature | -25/+60° C |
Max relative humidity | 95% (non condensing) |
Admitted overload | 200% 2 min. |
Harmonic distortion | None introduced |
Colour | RAL 7035 |
Protection degree | IP 21 |
User interface | 10″ touch panel (multilingual) remotely available via VNC Reactive power regulator |
Installation | Indoor |
Regulator overload protection | Digital control |
Communication system | Ethernet / USB / MODBUS TCP/ Ip |
Overvoltage protection | Class I input surge arrestor Class II output surge arrestor Optimal voltage return through supercapacitors in case of blackout |
Total protection and by-pass kit | Input automatic circuit breaker By-pass switch made of an interlocked automatic circuit breaker Output interlocked motorized automatic circuit breaker with protection against overload, overvoltage, undervoltage, phase sequence error and phase failure |
Integrated automatic power factor correction system | Based on high energy density metallised poly-propylene three-phase capacitors (Un = 525V) Three-phase blocking reactor (tuning frequency – 180Hz) |