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CENTRAL INVERTER
STRING INVERTER

SUN8000 Central Inverter

SUN8000 has leading efficiency up to 98.7% with “T” type three level topology, and significantly improves reliability with modular design and intelligent dormancy, optimizing efficiency at low irradiation. This product series supports two-winding transformer for grid-connection with common-mode current rejection algorithm, which helps to save 20% of the transformer investment. SUN8000 is an advanced solution for large-scale PV plant application.
This product series meets Germany BDEW MV directive, CEI 0-16 and China Golden Sun certification, fulfills the requirements of LVRT and ZVRT. It has passed the strictest verification tests which ensure SUN8000’s good environment adaptability for applications in the area of high altitude, hot or cold environment.

Higher Yields

  • Maximum efficiency 98.7%, European efficiency 98.5%
  • Dynamic system efficiency optimization with intelligent dormancy technology
  • Additional harvesting with 20% overload capacity
  • 20% saving of medium voltage transformer investment with two-winding transformer instead of double-split transformer
  • Integrated AC&DC power distribution (Optional)

High Reliability

  • With 20 years technology accumulation in telecom power, the same platform building inverter product
  • No interruption at single point failure with modular power stack design
  • Grid and self-generating switchable design, 1+1 redundancy of system power supply
  • Redundancy design of key circuits including grid voltage and current sampling to improve accuracy and reliability

Smart

  • Comprehensive local management with LCD touch screen
  • 0~100% active power continuously adjustable and reactive power compensation for grid management
  • RS485 and USB ports for data transferring and firmware update(Security protection mechanism support)

Friendly

  • High power density, smaller for space saving
  • Easy installation and maintenance with modular design
  • Optional functions of warming and dehumidification, continuous max. power output at the temperature of -30ºC ~ +55ºC
Item Specifications
Efficiency
Max. efficiency 98.70%
European efficiency 98.50%
Operating efficiency 98.40%
Input
Max. input voltage 1000 V
Max. input current 1224 A
Operating voltage range 475–900 V
MPP voltage range 500–850 V
Operating voltage 620 V
Max. Number of inputs 10
Number of MPP trackers 1 or 2(Optional)
Output
Rated power (230 V, 50 Hz) 500 kW/500 kVA
Max. AC output power 600 kW/600 kVA
Rated output voltage 320 V (3-phase)
AC power frequency 50 Hz or 60 Hz
Rated output current 900 A
Max. output current 1100 A
Power factor 0.8 overexcited … 0.8 underexcited
Max. total harmonic distortion < 3%
Protection
Input-side disconnection protection Yes
Output-side disconnection protection Yes
DC-AC overcurrent protection Yes
DC surge protection Type II
AC surge protection Type II
Insulation monitoring/Ground fault monitoring Yes
Residual current detection Yes
Display and communications
Display Touch screen LCD
RS485 Basic
USB Basic
Ethernet Optional
General parameters
Dimensions (W x H x D) 1800 mm x 2180 mm x 650 mm (70.87 in. x 85.83 in. x 25.59 in.)
Weight 1400 kg
Operating temperature range –30°C to +55°C (-22°F to +131°F)
Cooling Adaptive forced-air cooling
Operating altitude 6000 m (Not derating until 3000 m)
Relative humidity (non-condensing) 0 – 95%
Degree of protection IP20
Topology Transformerless
Standards compliance
Safety/EMC EN61000-6-2, EN61000-6-4, EN/IEC62109-1, and EN/IEC62109-2
Grid code CNCA/CTS 0004-2009A and Q/GDW 617-2011

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