Power Factor Closed-Loop Control
To improve the revenue, a distributed PV plant needs to reduce or avoid the power
factor surcharge by performing distributed reactive power compensation. To
enable the function, set the related parameters.
● You are advised to choose Settings > Smart Reactive Power Compensation to
enable smart reactive power compensation.
● Before setting the parameters, ensure that the license for smart reactive power
compensation has been loaded on the Maintenance > License Management
page.
● Before setting the parameters, ensure that a power meter has been connected
to the SmartLogger.
Parameter Description
Reactive power control
mode
Set this parameter to Power factor closed-loop
control.
Electric meter power
direction
When the solar inverter has no output power, set this
parameter to Positive if the active power displayed on
the meter is positive. Otherwise, set this parameter to
Reverse. After the setting is complete, you can check
the power direction of the power meter if you are not
sure about it.
Power meter Set this parameter to Smart meter.
Target power factor Species the target value for the adjustment power
factor of the power meter. The target value should be
larger than the appraisal value of the PV plant power
factor.
Adjustment period Species the interval for sending adjustment
commands by the SmartLogger.
Adjustment deadband Species the adjustment power factor precision.
NOTICE
This parameter is valid only when the power factor of the
power meter is greater than 0.9.
Reactive compensation
delay
Species the delay time for starting the distributed
power factor compensation if the current power factor
is lower than the target power factor.
SmartLogger3000
User Manual 6 WebUI Operations
Issue 10 (2022-08-20) Copyright © Huawei Technologies Co., Ltd. 217
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