Huawei SUN2000-20KTL User Manual

SUN2000 (8KTL-28KTL)
User Manual
5 Electrical Connections
Issue 07 (2014-07-30)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
46
Inverter
Model
Cable Type
Cross-sectional Area
(mm
2
)
External Cable Diameter (mm)
Range
Recommended
Value
Range
Recommended
Value
Range
Recommended
Value
SUN2000
-28KTL
cable

4-core
outdoor
cable
(3+PE)
ultraviolet-proof
measures on the
cable.

If the ground cable has been installed according to 5.1 Installing PGND Cables, you do not
have to connect the PE wire of the AC output power cable.

If a cable with a cross-sectional area of 4 mm
2
to 10 mm
2
is used, crimp a tubular cord end
terminal at the cable end before installing the cable.
An AC output connector has three parts: coupling nut, adapter, and cable gland, as shown in
Figure 5-5.
Figure 5-5 AC output connector
1. Coupling nut
2. Adapter
3. Cable gland
Procedure
Step 1 Remove the cable gland and the adapter from the AC output connector.
Step 2 Remove the insulation layer of the AC output cable of an appropriate length using a wire
stripper.

Huawei SUN2000-20KTL Specifications

General

Max. efficiency	98.6%
Rated AC output power	20, 000 W
Max. apparent power	22, 000 VA
No. of MPP trackers	2
Max. input voltage	1100 V
Protection degree	IP65
Max. DC Power	30, 000 W
Start Voltage	200 V
Nominal DC Voltage	600 V
Max. Input Current per MPPT	26 A
Nominal AC Grid Frequency	50 Hz / 60 Hz
Adjustable Power Factor Range	0.8 leading to 0.8 lagging
Total Harmonic Distortion (THD)	<3%
DC Reverse-Polarity Protection	Yes
AC Overcurrent Protection	Yes
AC Short-Circuit Protection	Yes
DC Insulation Resistance Detection	Yes
Residual Current Monitoring	Yes
AC Overvoltage Protection	Yes
DC Switch	Yes
Cooling Method	Natural Convection
AC output voltage	220 V / 380 V, 230 V / 400 V
MPPT operating voltage range	200 V - 1000 V
Operating temperature range	-25°C to +60°C
Relative Humidity	0% - 100%
Operating Altitude	Up to 4000 m
Surge Protection	Type II DC & AC