Three-phase photovoltaic grid-connected inverter
Appendix
70
10
Appendix
Table 9-1Technical parameters of three-phase PV grid-connected inverter
Model
Three-phase
40kW
50kW
60kW
70kW
70kW-HV
50kW-HV
DC
Max DC voltage (V)
1100
1100
1100
1100
1100
1100
Starting voltage (V)
200
200
200
200
200
200
MPPTvoltage range(V)
570~1000
620~1000
DC input voltage range during
rated power (V)
600~850
700~850
MPPT number/number of
connectable strings per group
1/8
1/10
1/14
2/5
Max DC power (W)
55000
66000
72000
78000
6600
Max input current (A)× MPPT
number
74x1
90x1
120x1
42x2
Isc PV
81
99
132
50.4*2
Max inverter backfeed current to
the array
0A
DC switch
Optional
AC
Max output power (W)
40000
50000
60000
66000
70000
50000
Grid voltage, frequency range (V)
310-480Vac,50Hz(47~51.5Hz)
384~552Vac,50H
z(47~51.5Hz)
484~594Vac,50Hz
(47~51.5Hz)
Max AC output current (A)
63.5
72.5
96
96
96
53
Maximum output fault current
1050A @ 4.76ms
Maximum backfeed current to
array
Less than 200 A
Maximum output overcurrent
protection(A)
125.7
143.5
190
190
190
104.9
Power factor
-0.8~+0.8 (adjustable)
Harmonic wave distortion
< 3% (at rated power)
System
Cooling mode
Air cooling
Max efficiency
98.60%
Euro efficiency
98.20%
MPPT efficiency
99.90%
Protection level
IP65
Power consumption at nighttime
< 1W
Protective class
I
Overvoltage category
AC:III,PV:II
inverter topology
Non-isolated
Pollution degree
3
Ambient temperature
(-25
℃
~+60
℃
)
,
auto derating is required if the ambient temperature exceeds 45°C
RH
4~100%,condensation
Max altitude (m)
≤2000, derating is required if the altitude exceeds 2000m
Display
3.5’ LCD display, support backlight display
System language
English, Chinese, Germany, Dutch
Communication mode
RS485 (standard); Ethernet, WiFi (optional)
DC terminal
BC03A/ BC03B
Noise dB(A)
≤55
Installation mode
Wall installation
Others
Grid standard
DIN VDE 0126-1-1
:
2013
,
VDE-AR-N 4105
:
2011
,
DIN VDE V 0124-100
:
2012
,
IEC 61727
(
IEC62116
),
AS/NZS 4777.2
:
2015
,
NB/T32004-2013
,
IEC 60068-2-1
:
2007
,
IEC 60068-2-2
:
2007
,
IEC 60068-2-14
:
2009
,
IEC 60068-2-30
:
2005
,
IEC 61683
:
1999
,
C10/11
:
2012
Safe certificate / EMC category
IEC 62109-1
:
2010
,
IEC 62109-2
:
2011
,
EN 61000-6-2: 2005 / EN 61000-6-3:2007/A1:2011
Protection
function
Input overvoltage protection, input overcurrent protection, DC insulation monitoring, DC monitoring, grounding fault current monitoring, grid
monitoring, islanding protection, short-circuit protection and overheat protection, etc.