Product detail

sts
String Station

ZGR SOLAR STS 2500 / 3500 / 5000

String station - 2500 / 5000 LV - 3500 MV

The ZGR SOLAR STS 2500 / 3500 / 5000 is the ideal turnkey solution for large photovoltaic plants.

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Characteristics

The  ZGR SOLAR STS is a on-skid plug and play solution, that is fully equipped with inverters optionally connected to a transformer station and medium-voltage switchgear, in addition to auxiliary and communication services for its use in photovoltaic installations.

It is a turnkey solution that enables the overall efficiency of a conversion system to be increased and installation costs reduced.

All its electronic devices are adapted according to the technical needs required by the installation and are combined in order to reach maximum performance, efficiency and uninterrupted operation during its entire useful life.

  • High voltage input range
  • Modular - Standard string inverters
  • Active and reactive power control
  • LVRT / HVRT / FRT functions
  • Skid transportable in standard container
  • Easy installation (Plug & Play)
  • Medium-voltage transformer (optional)
  • Multiple protection devices
  • Modular interior design for easy maintenance
  • Customised designs according to the needs of the project

TECHNICAL DETAILS

TECHNICAL SPECIFICATIONS
Model ZGR SOLAR STS 2000 LV ZGR SOLAR STS 4000 LV ZGR SOLAR STS 2500 MV
Power 2000 kVA 4000 kVA 2500 kVA
ELECTRICAL INPUT CHARACTERISTICS
ELECTRICAL INPUT CHARACTERISTICS 1080 V
Power tracking range (MPPT) 600 – 1500 Vdc
String Inverted Model ZGR SOLAR STR 250
Number of inverters 8 16 10
ELECTRICAL OUTPUT CHARACTERISTICS
Rated output power 2000 kW @40 ºC, 1800 kW @50ºC 4000 kW @40 ºC, 3600 kW @50ºC 2500 kW @40 ºC, 2250 kW @50ºC
Maximum output power 2000 kVA 4000 kVA 2500 kVA
Rated LV output voltage 800 Vac, 640 ~ 920 V
Rated MV output voltage 10 - 35 kV (1)
Frequency range 50/60 Hz (± 5 Hz) (adjustable)
Power factor 0.8 capacitive ~ 0.8 inductive
THDi < 3%
PROTECTION DEVICES
Detection of AC leakage currents Yes
Detection of leakage to earth Yes
LVRT Yes
Anti-islanding Yes
Reverse polarisation Yes
AC overvoltage Yes
DC overvoltage Yes
GENERAL CHARACTERISTICS
Maximum efficiency (ZGR SOLAR STR 250) 99%
European efficiency (ZGR SOLAR STR 250) 98,5%
MPPT Efficiency (ZGR SOLAR STR 250) > 99%
Cooling method Natural ventilation
Communications RS 485, Ethernet (optional)
AMBIENT AND MECHANICAL CHARACTERISTICS
Ambient temperature range -25 ºC ~ 60 ºC (> 40ºC derating)
Ambient protection rating Outdoors
Operating altitude 2000 m (without power losses)
Noise level (ZGR SOLAR STR 250) ≤ 70 dB
Relative humidity 0 to 100% (without condensation)
Approx dimensions (WxHxD) 6 x 2,2 x 2,2 m (20 feet) 12 x 2,2 x 2,2 m (40 feet) 12 x 2,5 x 2,2 m (40 feet)
Hybrid, robust and reliable solutions

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