Modular Inverter - Vega 20K

AC Input

• Configuration: three phase R, S, T, N, PE
• Input voltage: 400Vac, adjustable range 260–520Vac
• Operating frequency (auto selected):
  • 50Hz, adjustable range 45–55Hz
  • 60Hz, adjustable range 55–65Hz
• Maximum input current: 120 × 3A

DC Input

• Input voltage: 48Vdc, adjustable range 40–60Vdc
• Adjustable parameter setting range (48Vdc):
  • High voltage window: 55–62Vdc; automatic restart is the set value −2Vdc
  • Low voltage window: 38–49Vdc
  • Restart: 38–52Vdc (normal setting 50Vdc)
• Maximum input current: 48Vdc system: 476A

AC Output

• Configuration: three phase R, S, T, N, PE
• Output voltage:
  • Inverter output: 400Vac ±2%
  • Bypass output: 400Vac, 260–520Vac
  • Frequency: adjustable range 45–55Hz or 55–65Hz
• Frequency regulation: 50 or 60Hz ±0.03% (unsynced)
• Capacity: 18kVA/18kW
• Waveform: sine wave
• Total harmonic distortion: ≤±2% (resistive load)
• Dynamic response: <±1% (for step resistive load change of 10–100–10%)
• Efficiency: ≥90% (86–91% depending on model rating)
• Current sharing: ≤±5%
• Crest factor: 3:1
• Power factor: 0.7 lead or lag

Transfer time

• Inverter to bypass:
  • DC voltage exceeds the setting range or overload: 0ms
  • Inverter fail/overload: typical ≤1ms
• Bypass to inverter:
  • AC voltage exceeds the setting range: 0ms
  • Mains loss: typical ≤1ms

Audible noise

• ≤55dB (A)

Protection

• DC input: over/under voltage shut down and reverse polarity protection
• Short circuit: automatic current limit; system recovers upon removal of short circuit
• Overload: 105–125% overload for 10 minutes; 125–150% overload for 10 seconds
• Temperature: automatic shutdown when internal temperature exceeds 90°C, restart on temperature recovery. Fan speed is load level controlled.

Communication interface

• RS232, USB, HTTP and SNMP

Safety standard

• IEC60950 compliant

EMC

• CISPR22 class B compliant

Environmental

• Operating temperature: −5 to +50 (60)°C, see temperature graph
• Relative humidity: <90%, non-condensing

Mechanical data

• Dimensions W × D × H (mm): 600 × 600 × 2000
• Weight: 200kg