SMA Central Inverters TRANSFORMER COMPACT STATION 1250SC

The Transformer Compact Station â€“ now also for 1800 kVA nominal power â€“ is the ideal link between SMA central inverters and the medium-voltage grid. As a complete turnkey solution in a concrete design, it provides all options â€“ from medium-voltage switchgear to amorphous transformer with greatly reduced no load losses. In steel design, it is also significantly smaller and lighter than the previous solutions, saving time and money. The Transformer Compact Station 1600SC and 1800SC include as standard equipment an adjustable voltage tap that can be controlled easily with a rotary switch, making the device an ideal companion for the central inverters from the CP series.
Cost efficient
Simplified transport due to low weight
Significant savings in PV farm road construction
Simple
Complete turnkey solution in concrete construction
Ideally suited for the central inverters of the CP series
Innovative
Optimal steel enclosure for even easier transport
Amorphous transformer for minimal no load losses
Extendable
Medium-voltage switchgear for modular construction of PV farms
Transformer for internal power to supply the inverter
-Medium-voltage side
Rated power (@ 25 °C) 1375 kVA
Nominal AC power (@ 45 °C) 1250 kVA
Rated grid voltage 20 kV 1)
Nominal AC voltage range 18 kV ... 22 kV
Rated power frequency 50 Hz
Nominal output current 36.4 A
-Low-voltage side
Nominal input voltage 315 V
2.5 % 2) â€”
5.0 % 2) â€”
7.5 % 2) â€”
10.0 % 2) â€”
12.5 % 2) â€”
Nominal input current 2 x 1155 A
-Dimensions and weight
Dimensions (W / H / D) 3) 2380 / 2520 / 2980 mm(93.7 / 99.2 / 117.3 inch)
Weight ~13.6 t
Dimensions (W / H / D) as steel model 3) 2300 / 2640 / 3000 mm(90.6 / 103.9 / 118.1 inch)
Weight ~6.3 t
Dimensions (W / H / D) with medium-voltage switchgear 3) 2380 / 2520 / 2980 mm(93.7 / 99.2 / 117.3 inch)
Weight ~14 t
Dimensions (W / H / D) with medium-voltage switchgear as steel model3) 2300 / 2640 / 3000 mm(90.6 / 103.9 / 118.1 inch)
Weight ~6.6 t
-Features
Low-voltage switchgear 2 x LV / HRC switch-disconnector
Oil hermetical medium-voltage transformer Iron core
-Degree of protection and ambient conditions
Degree of protection (according to IEC 60529) IP23D
Application In unprotected outdoor environments
Operating temperature range -20 °C ... +45 °C
Max. permissible value for relative humidity (non-condensing) 15 % ... 95 %
Max. operating altitude above MSL 1000 m
-Options
Transformer for auxiliary power supply 6 kVA 4)
Medium-voltage switchgear RE-T / C-C-T
Communit opt.
Low-voltage switchgear 2 circuit breakers
Pre-assembled cable set5) 7.5 m / 10 m / 15 m
Compact station in steel model opt.
Medium-voltage transformer with amorphous core opt.
Use in a chemically aggressive environment opt.
Certificates and approvals (more available on request) IEC 62271-202

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