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.
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Before removing the AC output connector, disconnect the circuit breaker between the
SUN2000 and the power grid.
Figure 5-15 Removing an AC output connector
5.3 Installing DC Input Power Cables
Connect the SUN2000 to PV arrays over DC input power cables
Prerequisites

PV modules generate electric energy when exposed to sunlight and can create an
electrical shock hazard. Therefore, when connecting DC input power cables, cover PV
modules by using opaque cloth.

Before performing electrical connections, ensure that voltages of the DC cables should
be within the safe voltage range, that is, lower than 60 V DC, and the DC SWITCH is
OFF. Otherwise, the high voltage may result in fatal danger.
Ensure that the following conditions are met. Otherwise, fire accident may occur.

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