String Inverter
Input Side Data
SG 30KU
SG 36KU
Max. PV input power
Max. input voltage
Startup voltage
Nominal input voltage
MPP voltage range
MPP voltage range for nominal power
No. of MPPTs
Max. number of PV strings per MPPT
Max. PV input current(DC1/DC2)
Max. input current for input connector
Short-circuit current of PV input
34100W
1000Vdc
300V
710V
280~950Vdc
480~850Vdc
2
5
33A*2
12A
40A*2
41000W
36000W
39800W
39800VA
48A
Protection
30000W
33240W
33240VA
40A
480Vac
422~528Vac
3Ø/3W or 4W+Ground
60Hz
57~63Hz
<3% (at nominal power)
<0.5%In
>0.99 default value at nominal power,
adj. 0.8 leading ~ 0.8 lagging
Anti-islanding protection
LVRT
DC reverse connection protection
AC short circuit protection
Leakage current protection
DC switch
DC fuse
Overvoltage protection
AC switch
AC fuse
Yes
Yes
Yes
Yes
Yes
Integrated
Integrated
Type III surge arrester (optional Type II DIN rail surge arrester)
Optional
Optional
560~850Vdc
Output Side Data
Nominal AC output power
Max. AC output power(PF=1)
Max. AC output apparent power
Max. AC output current
Nominal AC voltage
AC voltage range
Grid Connection Type
Normal output frequency
Grid frequency range
THD
DC current injection
Power factor
System Data
Max. efficiency
CEC efficiency
Isolation method
Ingress protection rating
Night power consumption
Ambient operating temperature range
Allowable relative humidity range
Cooling method
Max. operating altitude
Display
Communication
DC connection type
AC connection type
Certification
Safety and EMC Standard
Mechanical Data
98.5%
98.0%
Transformerless
NEMA4X
<1W
O
O
-25~＋60℃ (>45℃ derating) -13~+140 F (>113 F derating)
0~100%
Smart forced air cooling
4000m (>3000m derating)
13000ft(>9800ft derating)
Graphic LCD
RS485 (optional Ethernet)
Screw terminals
Spring clamp terminal
cCSAus
UL 1741, IEEE 1547, IEEE1547.1, CSA C22.2#107.1-01-2001, FCC Part 15 Subpart B, Class B Limits
Dimensions (W*H*D)
Mounting method
Weight
622*880*250mm 25*34.6*9.8inch
Wall bracket or floor bracket
65kg
143lbs
Circuit Diagram
DC Fuse
Current
Reading
DC Switch
+
DC1
-
-
+
DC2
-
-
MPPT1
(Boost)
Functional Safety
& Protective Circuit
DC BUS
IGBT
Three-level
Inverter Circuit
DC
EMC
Filter
MPPT2
(Boost)
AC
EMC
Filter
AC
Reactor
L
1
L2
L3
N
Grid
DC SPD
DC
EMC
Filter
PE
Relay
AC SPD
DC SPD
Communication Interface RS485
LCD Display Panel
37