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Reliability  Safety  Capacity


For 1500V string inverter Solis 255K

Solis-6300-MW is a 20ft standard container-based turnkey solution with all necessary parts integrated inside, including MV oil-immersed transformer, MV gas-insulated switchgear, all necessary LV protections etc., to meet utility scale PV project's needs. The pre-assembly design can greatly shorten the construction period and save construction costs.


Leading Features

  • Mainstream 6.3MW subarray,widely used global
  • 20 foot standard container delivery, easy to transport
  • A complete solution, from inverter to main step-up transformer
  • When the container is lifted to the foundation, only LV and MV cables need to be connected
  • LV panel, transformer and RMU be placed independently
  • Adopt international first-line brand equipment with reliable quality
  • Full frontal maintenance design
  • Modular design of MV equipment, easy to replace

Technical Specifications

LV panel

  • ACB specification
    3200 A / 800 Vac / 3P, 1*2 pcs
  • Connection form with transformer
    Copper busbar


  • Rated output power
    6300 kVA @ 40°C
  • Max. output power
    6930 kVA @ 40°C 3h
  • LV/MV voltage
    0.8 kV / 10-35 kV
  • Max. input current
    2577 A *2
  • Tapping on HV
  • Vector group
  • Frequency
    50 Hz / 60 Hz
  • Cooling type
  • Impedance
  • Oil type
    Mineral oil (Optional: plant oil)
  • Winding material
    Al/Al (Optional: Cu/Cu)
  • Insulation class
  • Connection form with MV switchgear

MV Switchgear

  • Rated voltage
    12-36 kV
  • Rated current
    630 A
  • Internal arcing fault
    20 kA / 1 s
  • Qty of feeder
    3 feeders


  • AC input protection
    Circuit breaker
  • Transformer protection
    Oil-temperature, oil-level, oil-pressure
  • Fire protection
    Smoke detection, emergency lighting

General Data

  • Approximate weight
    24 T
  • Operating temperature range
    -25 ~ +60°C
  • Max. operation altitude
    1000 m (standard)
  • Auxiliary power supply
    5 kVA / 230 V (Optional: max. 40 kVA)
  • UPS
    1 kVA 30 min (Optional: max. 2 kVA 2h)
  • Degree of protection
  • Allowable relative humidity range
  • Communication
    RS485, Ethernet, Optical fiber
  • Compliance
    IEC 60076, IEC 62271, IEC61439

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