SL-B Series

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Product

Willings, a leader in the photovoltaic power conversion systems market, will try to maintain
its front position as an energy technology leader, and to realize its value of new and renewable energy leading company.

SL-GH Series

(1000KW ~ 3000KW)

  • First DC 1,500V photovoltaic inverter in Korea
  • Multi-Central Type
  • Release in the first half of 2021
Power[kW] 1000, 1500, 2000, 2500, 3000
IP Rate Indoor(IP20)/Outdoor(IP44)
AC Spec 3P3W 600Vac
DC Spec 900 ~ 1500Vdc
Max Efficiency / Euro Efficiency 98.2% ≤ / 98% ≤
Communication Option RS422*2, TCP/IP*1

SL-GH Series

(1000KW ~ 3000KW)

  • First DC 1,500V photovoltaic inverter in Korea
  • Multi-Central Type
  • Release in the first half of 2021
Power[kW] 1000, 1500, 2000, 2500, 3000
IP Rate Indoor(IP20)/Outdoor(IP44)
AC Spec 3P3W 600Vac
DC Spec 900 ~ 1500Vdc
Max Efficiency / Euro Efficiency 98.2% ≤ / 98% ≤
Communication Option RS422*2, TCP/IP*1

SL-GH Series

(1000KW ~ 3000kW)

Power[kW] SL-GH1000 SL-GH1500 SL-GH2000 SL-GH2500 SL-GH3000
Max string num. 750KW 1 2 3 3 4
250KW 1 1
Max Available PV Power @String[kW] 750*1EA,
250*1EA
750*2EA 670*3EA 750*3EA,
250*1EA
750*4EA
Maximum PV Voltage 1500Vdc
Input Operating Volt. Range[Vdc] 900Vdc ~ 1500Vdc
MPPT Voltage Range[Vdc] 900Vdc ~ 1200Vdc
Max Input Current @ String 1200 1800 2700 3000 3600
AC Line Interface
Max Continuous Power[kW] 100 1500 2000 2500 3000
Max Efficiency / Euro Efficiency >98.2%
Nominal Voltage (3Ø 3W) [Vrms] 3P3W, 600Vac
Operating Voltage Range 528~660
Nominal Line Current[Arms] 1065 1600 2400 2665 3200
Power Factor Unity ± 0.5%
AC Current THD < 5% Total, <3% Individual
Operator Interface
Input Device Touch Panel (TFT)
Display Parameters AC Voltage, Current, Power / PV Voltage, Current, Power / Today, Total, Max kWh
Size          

SL-B Series

(250KW ~ 2000KW)

Power[kW] SL-B250 SL-B500 SL-B750 SL-B1000 SL-B1250 SL-B1500 SL-B1750 SL-B2000
Max. string num.[250kW] 1 2 3 4 5 6 7 8
Max Available PV Power@String / Voltage 250kW / 1000Vdc
Input Operating Volt. Range[Vdc] 550Vdc ~ 1000Vdc
MPPT Voltage Range[Vdc] 550Vdc ~ 800Vdc
Max Input Current@String 450Adc * String
AC Line Interface
Max Continuous Power[kW] 250 500 750 1,000 1,250 1,500 1,750 2,000
Max Efficiency / Euro Efficiency 98.2% ≤ / 98% ≤
Nominal Voltage (3Ø 3W) [Vrms] 340
Operating Voltage Range Nominal Voltage(88% ~ 110%)
Nominal Line Current[Arms] 425 850 1274 1698 2122 2547 2972 3396
Power Factor > 0.99
AC Current THD < 5% Total, <3% Individual
Operator Interface
Input Device LCD / Touch TYPE
Display Parameters AC Voltage, Current, Power / PV Voltage, Current, Power / Today, Total, Max kWh
Size 940*1025*
2226.5
1380*1025*
2226.5
1820*1025*
2226.5
2260*1025*
2226.5
2900*1025*
2226.5
2900*1025*
2226.5
3340*1025*
2226.5
3780*1025*
2226.5

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