ReliabilitySafetyCapacity

Solis-255K-EHV-5G-US

800V: 255K

255kW 5G three phase series string inverter have Maximum 28 strings input, support "Y" type connection in DC side. Maximum string input current 13A, support bifacial modules access.Supports anti-PID function to improve system eff iciency. High-precision intelligent strings monitoring reduces fault location time.

255kW Three Phase Inverter

Leading Features

  • 99% Max. efficiency (98.5% CEC efficiency)
  • Maximum 28-string input, support "Y" type connection in DC side
  • Maximum string input current 13A, support bifacial modules access
  • Supports anti-PID function to improve system efficiency
  • NEMA 4X protection level, intelligent redundant air cooling design
  • PLC/RS-485 multiple communication modes, flexible monitoring
  • High-precision intelligent strings monitoring reduces fault location time

Technical Specifications

DC Values

  • Max DC input voltage (volts):
    1500
  • Nominal DC voltage (volts):
    1080
  • Startup voltage (volts):
    620
  • Operating MPPT voltage range (volts):
    600-1500
  • Max. usable input current per MPPT (amps):
    14*26
  • Max. short circuit input current (amps):
    14*40
  • Number of MPPTs:
    14
  • Max. input strings number:
    28

AC Values

  • Nominal output power (watts):
    255000
  • Max. apparent output power (VA):
    255000
  • Max. output power (watts):
    255000
  • Nominal grid voltage (volts):
    3Ф/PE, 800
  • Nominal grid frequency (hertz):
    60
  • Max output current(amps):
    184.0A
  • Output power factor range:
    >0.99 (0.8 leading - 0.8 lagging)
  • THDi:
    <3%

Efficiency

  • Max efficiency:
    99.0%
  • CEC efficiency:
    98.5%

Protection

  • DC reverse-polarity protection:
    Yes
  • Ground fault monitoring:
    Yes
  • Anti-islanding protection:
    Yes
  • Integrated AFCI (DC arc-fault circuit protection):
    Yes
  • Strings Monitoring:
    Yes
  • I/V Curve scanning:
    Yes
  • Anti-PID function:
    Optional

General Data

  • Dimensins(w*h*d):
    44.3*28.3*15.0 in(1125*720*382 mm)(Reference)
  • Weight:
    257.9lbs(117kgs)(Reference)
  • Topology:
    Transformerless
  • Internal consumption (night):
    <2W
  • Ambient operating temperature range:
    -13°F to 140°F (-25°C ~ +60°C)
  • Storage environment:
    -13°F to 176°F (-25°C to 80°C)
  • Enclosure type:
    NEMA 4X
  • Cooling concept:
    Intelligent redundant fan-cooling
  • Max.operating altitude without derating:
    13, 120ft (4000m)
  • Compliance:
    UL 1741, UL 1741SA, Rule 21, UL 1998, IEEE 1547,FCC Part 15 (Class A & B), CAN/CSA C22.2 107.1-1,CA Rule 21 Phase II compliant (ready for Phase III)

Features

  • DC connection:
    MC4 connector
  • AC connection:
    OT terminal (max. 300 mm²)
  • Display:
    LCD, 2×20 Z
  • Communication connections:
    RS485, Optional: PLC
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