Battery inverter SMA Sunny Central Storage 2900

Sunny Central Storage
Grid-connected storage systems make it possible to integrate large volumes of intermittent renewable energy into the grid while ensuring maximum grid stability. Sunny Central Storage is the central component of the SMA system solution for integrating large-scale storage systems. It is designed to compensate for fluctuations in solar power generation and offers comprehensive grid management services such as automatic frequency regulation. The battery inverter is optimized for continuous operation at rated load and temperatures between −25°C and +50°C. Thanks to its wide DC voltage range, it is compatible with various types of battery technologies. Sunny Central Storage is designed to work with SMA Power Plant Manager and is also available as a turnkey solution for SMA medium voltage systems.

Effective
• High power density
• Max. Efficiency 98.6%
• Reduced transport costs (up to 4 inverters per standard configuration).
transport container)

Strong
• Proven OptiCool™ technology for smart, efficient cooling.
• Can be installed worldwide outdoors in any environmental conditions.

Flexible
• Meets all relevant network requirements worldwide.
• Four-quadrant operation for full reactive power support.
• Stand-alone device or complete solution with medium voltage unit

Universal
• Built-in battery communication
• Individual monitoring and control of inverters.
• Network management functions to support dynamic networking.
• Built-in voltage source for internal consumption and external loads.

Technical data SCS 290013)

Battery side (DC)
DC voltage range for max. AC Power (at 25°C/at 50°C) 1): 760V to 1000V/1000V
Minimum/Maximum DC Voltage 2): 740V/1100V
Max. Direct current (at 25°C/at 50°C): 4055 A/3686 A
Characteristics of the fuse for connecting the battery - fuse burning time limitation / energy limitation 3) 15): <1 ms / 40 cal/cm²
Number of DC cables per polarity: 26

AC side
Max. AC power at 1000 VDC (at 25°C/at 40°C/at 50°C) 12): 2940 kVA/2780 kVA/2670 kVA
Max. AC power at 1100 VDC (at 25°C/at 40°C/at 50°C) 12): 2940 kVA/2670 kVA/2250 kVA
Max. AC current (at 25°C/at 40°C/at 50°C): 3265 A/3087 A/2968 A
Rated AC voltage / AC voltage range 16): 520V / 416V to 624V
AC Frequency/Range: 50Hz/47-53Hz
60 Hz / 57 Hz to 63 Hz
Cos Phi at rated power/displacement Cos Phi adjustable 10) 14): from 1 / 0.0 for overexcitation to 0.0 for underexcitation
Max. total harmonic distortion: <3% at rated power
Min. short ratio AC terminal shorts: 2

Efficiency
Max. efficiency 4) / European efficiency 4): max. this 98.6%

Protective devices
Input side disconnect point: DC load breaker
Output side disconnect point: AC circuit breaker
DC surge protection: Type I surge suppressor.
AC surge protection: ○ Class I surge arrester.
Lightning protection (according to IEC 62305-1): Lightning protection level III
Earth fault monitoring/remote earth fault monitoring: ○ / ○
Insulation monitoring: ●
Degree of protection: electronics/ducting/connection area (according to IEC 60529): IP65/IP34/IP34

Total information
Dimensions (W/H/D): 2780 mm/2318 mm/1588 mm
Weight: < 3400 kg
Self-consumption (max.5) / part load 6) / average 7)): < 8100 W / < 1800 W / < 2000 W
Self-consumption (standby): < 300 W
Auxiliary power supply: built-in transformer 8.4 kVA / external: ● / ○
Operating temperature range: −25°C to 60°C.
Noise level8): < 64.7 dB(A)
Temperature range (standby): −40°C to 60°C.
Temperature range (storage): −40°C to 70°C.
Max. permissible relative humidity (with/without condensation): 95% to 100% (2 months/year) / 0% to 95%
Maximum operating altitude above sea level 9)1000 m / 2000 m11) / 3000 m11): ● / ○ / ○
Fresh air flow: 6500 m³/h

Functions
DC Connection: Terminal blocks on each input (no fuse)
AC Connection: With busbar system (three busbars, one for each line wire)
Communication: Ethernet, Modbus Master, Modbus Slave
Body/ceiling colour: RAL 9016/RAL 7004
Display: ● Indicators / ○ HMI touch screen (10.1 inches)
Supply transformer for external loads: ○ (2.5 kVA)
Complies with standards and directives: CE, IEC/EN 62109-1, IEC/EN 62109-2.
EMC standards: IEC/EN 61000-6-4, IEC/EN 61000-6-2, EN 55022.

● Standard functions ○ Optional.

Type designation SCS-2900-10

1) Other voltage ranges are available on request.
2) With power reduction
3) Battery short circuit disconnection must be done on the battery side.
4) Efficiency measured without internal power supply.
5) Own consumption at nominal operation
6) Self-consumption at < 75% Pn at 25°C
7) Self-consumption averages from 5% to 100% Pn at 25°C.
8) Sound pressure level at a distance of 10 m.
9) Values ​​only apply to inverters. Acceptable values ​​for SMA MV solutions from
The SMA can be found in the relevant data sheets.
10) Depending on DC voltage
11) Earlier derating depending on temperature
12) Measured at cos φ from 0.8 with underexcitation to 0.8 with overexcitation.
13) Additional apparent power reduction may be applied under a combination of the following conditions: > 45°C, > 1080 VDC, power factor < 0.9 under-excitation and > 900 m above sea level.
14) Maximum reactive power is limited to 60% of maximum apparent power.
15) Energy limit, reset in case of error.
16) Below the rated AC voltage, the AC power is reduced in the same proportion.