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10.2.2.3 Local Power Control
If reactive dispatching instruction or dispatching target value is used as dispatching
input locally, the reactive control mode is set to "Local power control".
step 1
Click "Power control" -> "Reactive power" to enter the reactive power interface.
step 2
Set the "Reactive control mode" to "Local power control".
step 3
Set local dispatching parameters. For specific parameter description, refer to the
following table.
P
Pa
arra
am
me
ette
err
D
De
essc
crriip
pttiio
on
n
Communication
abnormality output
(%)
Communication is abnormal, and specified dispatch output
value is delivered.
Control method
Open loop control：At the start time, the locally configured
active instruction is sent to the power output port of the
inverter, thereby implementing reactive power control.
Closed-loop control: At the beginning time, reactive
instruction configured locally is used as target value,
reactive power and power factor of the meter need to be
collected and used as input parameters, and reactive power
compensation ratio is calculated and sent to power output
port of the inverter. Generally, this strategy is used for
improving the power factor of the property boundary point.
Select energy meter*
Select Smart Energy Meter involved in power regulation
Wiring mode*
Direct connection: One Logger3000 is connected to all
inverters, where all the inverters must be string inverters or
central inverters.
Cascade connection: Multiple Logger3000 are cascaded,
and this Logger3000 is used as the host.
Line reactive power
compensation*
Compensation for reactive power losses in the line
Control cycle
Time interval of delivering dispatching instructions
Parameter range: 5~60s
Q-Method
PF: set the power factor as the target value
%: set reactive power percentage.
Note: *Only when the control method is set to "Closed-loop control", the parameter "-
Select energy meter" is settable. When selecting an energy meter, the Logger used
must be the one manufactured by SUNGROW.
step 4
Add local power control manner
User Manual
Summary of Contents for Logger3000
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