Huawei SmartLogger2000 User Manual page 126

SmartLogger2000
User Manual
No. Parameter
46 Level-3 UF
protection
47 Level-3 UF
protection
time
Level-4 UF
48
protection
49 Level-4 UF
protection
time
Level-5 UF
50
protection
51 Level-5 UF
protection
time
52 Level-6 UF
protection
53 Level-6 UF
protection
time
Feature Parameters
Table 7-8 Parameter description
No. Parameter
1 LVRT
Issue 04 (2018-04-10)
Description
Specifies the level-3
underfrequency
protection threshold.
Specifies the level-3
underfrequency
protection duration.
Specifies the level-4
underfrequency
protection threshold.
Specifies the level-4
underfrequency
protection duration.
Specifies the level-5
underfrequency
protection threshold.
Specifies the level-5
underfrequency
protection duration.
Specifies the level-6
underfrequency
protection threshold.
Specifies the level-6
underfrequency
protection duration.
Description
When the power grid
voltage is abnormally low
for a short time, the
inverter cannot disconnect
from the power grid
immediately and has to
work for some time. This is
called LVRT.
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Unit Value Range
Hz [0.85xFn, 1xFn]
ms [50, 7200000]
Hz [0.85xFn, 1xFn]
ms [50, 7200000]
Hz [0.85xFn, 1xFn]
ms [50, 7200000]
Hz [0.85xFn, 1xFn]
ms [50, 7200000]
Unit Value Range
N/A  Disable
 Enable
7 WebUI
Remarks
Fn represents the
rated frequency.
Fn represents the
rated frequency.
Fn represents the
rated frequency.
Fn represents the
rated frequency.
Remarks
This parameter is set to
Enable by default if
the German
BDEW-MV grid code
is selected.
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