Huawei SUN2000 User Manual page 116

SUN2000-(3.8KTL-11.4KTL)-USL0
User Manual
Parameter
HVRT
HVRH threshold
Anti-islanding protection
Passive islanding
Soft start time after grid
failure (s)
Off-grid mode
Issue 01 (2018-05-21)
Description
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).
Specifies the threshold for
triggering HVRT.
Enables or disables the
active islanding protection
function.
Enables or disables the
passive islanding protection
function.
Specifies the time for the
power to gradually increase
when the SUN2000 restarts
after the power grid
recovers.
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.
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7 Operations on the Local FusionHome App
Value Range
 Disable

Enable
[105%Vn, 130%Vn]
 Disable
 Enable

Disable

Enable
[20, 800]

Enable

Disable
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