Sungrow SG4950HV-MV, System Manual

Page: 116 / 120

108
T Tyyp pe e D De essiig gn na attiio on n S SG G6 62 25 50 0H HV V--M MV V S SG G6 68 80 00 0H HV V--M MV V
MPP voltage range 875~1300 V
No. of independent MPP
inputs
4
No. of DC inputs 32 / 36 / 44 / 48 / 56 (Max. 48 for floating system)
Max. PV input current 2 x 3997 A
Max. DC short-circuit
current
2 x 10000 A
PV array configuration Negative grounding or floating
O Ou uttp pu utt ((A AC C))
AC output power
2 x 3125 kVA @ 50 ℃
2 x 3437 kVA @ 45 ℃
2 x 3437 kVA @ 45 ℃
Max. inverter output
current
2 x 3308 A
AC voltage range 20 kV – 35 kV
Nominal grid frequency /
Grid frequency range
50 Hz / 45 – 55 Hz, 60 Hz / 55 – 65 Hz
Harmonic (THD) < 3 % (at nominal power)
Power factor at nominal
power / Adjustable power
factor
＞0.99 / 0.8 leading – 0.8 lagging
Feed-in phases / AC
connection
3 / 3-PE
E Effffiic ciie en nc cyy
Inverter max. efficiency 99.0 %
Inverter European
efficiency
98.7 %
T Trra an nssffo orrm me err
Transformer rated power 6250 kVA 6874 kVA
Transformer max. power
6874 kVA 6874 kVA
LV / MV voltage 0.6 kV / 0.6 kV / (20 – 35) kV
Transformer vector Dy11y11
Transformer cooling type ONAN (Oil-natural, air-natural)
Oil type Mineral oil (PCB free) or degradable oil on request
P Prro otte ec cttiio on n & & F Fu un nc cttiio on n
DC input protection Load break fuse
Inverter output protection
Circuit breaker
AC MV output protection Circuit breaker
13 Appendix System Manual