60
step 4 Add local power control manner
Fill in "Start time" and "Percentage" (fixed value of active power), and click "Save".
-- -- EEnndd
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Delete local power control manner: select a local control manner that needs to be
deleted, and click "Clear data".
10.2.1.4 AI Control
When using the analog signal at the AI port of the Logger3000 as the dispatching input,
set the active control mode to "Analog input".
step 1 Click "Power control" -> "Active power" to enter the active power interface.
step 2 Set the active control mode to "Analog input".
step 3 Set AI control parameters. For specific parameter description, refer to the following
table.
table 10-3 Parameter description
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Communication
abnormality output (%)
Communication is abnormal, and specified dispatch output
value is delivered.
Control method
Open loop control: Active instruction controlled by AI is sent
to the power output port of the inverter, thereby achieving
active power control.
Closed-loop control:
• In case no Smart Energy Meter is selected, active
instruction controlled by AI is used as target value, and
active power compensation ratio is calculated and sent
to the power output port of the inverter. Generally, this
strategy is used for fast and accurate active power
regulation.
• In case a Smart Energy Meter is selected, active
instruction controlled by AI is used as target value,
active power of the meter needs to be collected and
used as input parameter, and active power
compensation ratio is calculated and sent to the power
output port of the inverter. Generally, this strategy is
used for anti-backflow or avoiding zero power feed-in.
Select energy meter*
Unselected
Select Smart Energy Meter involved in power regulation
Control cycle
Time interval of delivering dispatching instructions
Parameter range: 5~60s
10 Grid Dispatching User Manual
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