
SmartLogger2000
User Manual
7 WebUI
Issue 04 (2018-04-10)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
111
No.
Parameter
Description
Unit
Value Range
Remarks
8
Grid
reconnection
frequency
upper limit
The standards of certain
countries and regions
require that the inverter
must not connect to the
power grid when the
power grid frequency is
higher than the upper
limit.
Hz
[100%Fn, 112%Fn]
Fn represents the rated
frequency.
9
Grid
reconnection
frequency
lower limit
The standards of certain
countries and regions
require that the inverter
must not connect to the
power grid when the
power grid frequency is
lower than the lower limit.
Hz
[85%Fn, 100%Fn]
10
Reactive
power
compensation
(cosψ-P)
trigger
voltage
Specifies the voltage
threshold for triggering
reactive power
compensation when LVRT
occurs.
%
[100, 110]
N/A
11
Reactive
power
compensation
(cosψ-P) exit
voltage
Specifies the voltage
threshold for exiting
reactive power
compensation when the
inverter recovers from
LVRT.
%
[90, 100]
N/A
12
Isolation
Specifies the inverter
working mode based on
the grounding status at the
DC side and the
connection to the power
grid.
N/A
Input grounded
(with TF)
Input
ungrounded
(without TF)
Input
ungrounded
(with TF)
N/A
Protection Parameters
Table 7-7
Parameter description
No.
Parameter
Description
Unit
Value Range
Remarks
1
Unbalance
voltage
protection
Specifies the inverter
protection threshold in
the case of unbalanced
power grid voltage.
%
[0.0, 50.0]
N/A