Huawei SUN2000-3.8KTL-USL0 - Page 116

SUN2000-(3.8KTL-11.4KTL)-USL0
User Manual
7 Operations on the Local FusionHome App
Issue 01 (2018-05-21)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
109
Parameter
Description
Value Range
HVRT
When the grid voltage is
abnormally high for a short
time, the SUN2000 cannot
disconnect from the power
grid immediately and has to
work for some time. This is
called high voltage
ride-through (HVRT).

Disable

Enable
HVRH threshold
Specifies the threshold for
triggering HVRT.
[105%Vn, 130%Vn]
Anti-islanding protection
Enables or disables the
active islanding protection
function.

Disable

Enable
Passive islanding
Enables or disables the
passive islanding protection
function.

Disable

Enable
Soft start time after grid
failure (s)
Specifies the time for the
power to gradually increase
when the SUN2000 restarts
after the power grid
recovers.
[20, 800]
Off-grid mode
Enables or disables the
backup mode.

Enable: The SUN2000
provides the backup
function (if there is a
power grid outage, it
supplies power to loads
through the backup port
in backup mode).

Disable: The SUN2000
does not provide the
backup function.

Enable

Disable