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SUN2000-(125KTL-M5, 200KTL-H4, 250KTL-H0,
286KTL-H0)
User Manual
No.
Category
28
29
30
31
32
Issue 04 (2023-09-22)
Parameter
Description
LVRT gradient
During LVRT, the device must
K2
generate negative-sequence
reactive power to support the
power grid. This parameter is
used to set the negative-
sequence reactive power
generated by the device.
For example, if you set LVRT
gradient K2 to 2, the
increment of negative-
sequence reactive current
generated by the device is
20% of the rated current
when the AC voltage
decreases by 10% during
HVRT.
LVRT active
Specifies the active current
current
proportional coefficient
maintenance
before and during LVRT.
coefficient
Percentage of
During LVRT, the device is
LVRT reactive
required to limit the reactive
current limiting
current.
For example, if you set
Percentage of LVRT reactive
current limiting to 50, the
reactive current upper limit of
the device is 50% of the rated
current during LVRT.
Threshold of
When Zero current due to
LVRT zero-
power grid fault is enabled,
current mode
if the power grid voltage is
less than the value of
Threshold of LVRT zero-
current mode during LVRT,
the zero current mode is
used. Otherwise, the mode
configured in LVRT mode is
used.
LVRT mode
Sets LVRT mode. The options
are Zero-current mode,
Constant current mode,
Reactive power priority
mode, and Active power
priority mode.
Copyright © Huawei Technologies Co., Ltd.
8 Maintenance
Remarks
94
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