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MVS6400-7040-7320-LV Medium Voltage Inverters
MVS6400-7040-7320-LV Medium Voltage Inverters

MVS6400-7040-7320-LV Medium Voltage Inverters

MV Turnkey Solution for String Inverter SG350HX / SG350HX-20, with standardized containerized designs for effortless transport and rapid deployment. Preassembled in-factory to minimize setup time and maximize investment efficiency.

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Description

INVESTMENT EFFICIENCY

Modular configuration supporting capacities up to 7 MW per unit.

Standardized container dimensions ensure seamless transportation and handling.

Factory-preassembled systems for rapid deployment and simplified activation.

SAFETY INTEGRATION

Dedicated control room with segregated MV and LV compartments.

Ergonomic front-panel access to critical systems, operational without internal entry.

OPERATIONAL EXCELLENCE

Real-time diagnostics enable rapid fault identification and resolution.

Component-based engineering allows quick maintenance and equipment upgrades.

CERTIFIED PERFORMANCE

Factory-validated components through rigorous type testing.

Full compliance with global electrical standards:

IEC 60076 (Power Transformers).

IEC 62271 (High-voltage Switchgear).

IEC 61439 (Low-voltage Assemblies).


Type DesignationMVS6400-LVMVS7040-LVMVS7320-LV

Transformer

  • Transformer typeOil immersed
  • Rated power6400 kVA @ 40 ℃7040 kVA @ 40 ℃7320 kVA @ 40 ℃
  • Max. power7040 kVA @ 30 ℃7744 kVA @ 30 ℃8052 kVA @ 30 ℃
  • Vector groupDy11y11
  • LV / MV voltage0.8 kV - 0.8 kV / ( 10 – 35 ) kV
  • Maximum input current at nominal voltage2540 A * 22794 A * 22905 A * 2
  • Frequency50 Hz or 60 Hz
  • Tapping on HV0 , ± 2 * 2.5 %
  • Efficiency≥ 99 % or Tier2
  • Cooling methodONAN ( Oil Natural Air Natural )
  • Impedance8 % ( ± 10 % )
  • Oil typeMineral oil (PCB free)
  • Winding materialAl ( Option:Cu )
  • Insulation classA

MV switchgear

  • Insulation typeSF6
  • Rated voltage range24 kV – 40.5 kV
  • Rated current630 A
  • Internal arcing faultIAC AFL 20 kA / 1 s

LV panel

  • Main switch specification4000 A / 800 Vac / 3P, 2 pcs
  • Disconnector specification260 A / 800 Vac / 3P, 20 pcs260 A / 800 Vac / 3P, 22 pcs260 A / 800 Vac / 3P, 24 pcs
  • Fuse specification350A / 800 Vac / 1P, 60 pcs350 A / 800 Vac / 1P, 66 pcs350A / 800 Vac / 1P, 72 pcs

Protection

  • AC input protectionFuse+Disconnector
  • Transformer protectionOil-temperature, Oil-level, Oil-pressure, Buchholz
  • Relay protection50 / 51, 50N / 51N
  • Surge protectionAC Type I + II

General Data

  • Dimensions ( W * H * D )6058 mm * 2896 mm * 2438 mm
  • Approximate weight22T
  • Operating ambient temperature range-20 ℃ to 60 ℃ ( optional: -30 ℃ to 60 ℃ )
  • Auxiliary transformer supply15 kVA / 400 V ( optional: max. 40 kVA )
  • Degree of protectionIP54
  • Allowable relative humidity range (non-condensing)0 % – 95 %
  • Operating altitude1000 m ( standard ) / > 1000 m ( optional )
  • CommunicationStandard: RS485, Ethernet, Optical fiber
  • ComplianceIEC 60076, IEC 62271-200, IEC 62271-202, IEC 61439-1, EN 50588-1


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