SUNNY CENTRAL 250U

With the growth of the commercial solar market, SMA has expanded its central inverter line for 2008. The new Sunny Central 250U has integrated isolation transformers and delivers the highest efficiencies available for large PV power plant inverters.

The user interface has been completely updated and now features a large LCD that provides a graphical view of the daily plant production as well as the status of the PV array, inverter, and utility grid.

The new 250U now offers optional PV string monitoring that makes the process of troubleshooting the PV array more efficient.

The new Sunny Central 250U is now compatible with industry standard building management and energy service software protocols and integrates easily into energy aware infrastructures. RS485 and Ethernet communication are available via the optional Sunny WebBox. The Sunny WebBox automatically uploads performance data to the free Sunny Portal website allowing system owners to view and track their energy production. Performance data can be further enhanced by adding the Sunny SensorBox to collect weather data. The new Sunny Centrals from SMA represent years of innovative design experience by the world's largest manufacturer of PV inverters. Designed for easy installation, operation, and performance monitoring, the new Sunny Centrals are the ideal choice for your large scale PV project.

  • 97% CEC weighted efficiency
  • Integrated isolation transformer
  • Graphical LCD interface
  • Sunny WebBox compatible
  • Optional combiner boxes
  • Install indoors or out
  • UL 1741 / IEEE 1547 compliant


Sunny Central 250U
 		  
Inverter Technology True sinewave, high frequency PWM with galvanic insulation
AC Power Output (Nominal) 250kWp
AC Voltage (Nominal) 480 VAC WYE
AC Frequency (Nominal) 60 Hz
Current THD < 5%
Power Factor (Nominal) >0.99
AC Output Current Limit 307 AAC @ 480 VAC
DC Input Voltage Range 300-600 VDC
MPP Tracking 300-600 VDC
PV Start Voltage (configurable from 300 V - 600 V) 400 VDC
Maximum DC Current 800 A
DC Voltage Ripple (Peak) < 1.5%
Peak Efficiency 97.5% (estimated)
CEC Weighted Efficiency 97% (estimated)
Power Consumption 69W standby, <1000W with fans
Ambient Operating Temperature –13 °F to 113 °F full power output, up to 122 °F at reduced power
Cooling Temperature controlled forced air
Enclosure NEMA 3R magnetics compartment NEMA 4 electronics compartment
Dimensions (WxHxD) in Inches 110 x 80 x 33
Weight 4200 lbs

Downloads

Language:
Catalog


147 KB
SMA Solar Technology Productfinder
Type: Catalog
Language: English (Worldwide)
Document number: PRODUCTFINDER-AEN083211
Version number: 1.1


6.369 KB
SUNNY CENTRAL 2009/2010 - Highest yields. For all utility grids.
Type: Catalog
Language: English (Worldwide)
Document number: SUNCENT-KEN092021
Version number: 2.1
Technical information


266 KB
SUNNY CENTRAL - Effect on radio and television reception by the Sunny Central for all solar power systems with SUNNY CENTRAL
Type: Technical information
Language: English (Worldwide)
Document number: EMV_SC-UEN091910
Version number: 1.0
White Paper


73 KB
Description of Grid Monitoring and Active Islanding Detection
Type: White Paper
Language: English (Worldwide)
Document number: WhitePaper_FFi_Antiislanding_EU-Geraete_E
Version number: 1.0
Reference
Solar Roof SMA