Ai/Di Scheduling - Huawei SmartLogger2000 User Manual

SmartLogger2000-(10-C, 11-C)
User Manual
Reactive Power Control
Because of permission restriction, log in as Special User. Choose Settings > Reactive Power
Control to access the target page.
Set Reactive Power Control Mode to Dry contact remote control, as shown in
Ensure that the SmartLogger is properly connected to the ripple control receiver before you
set Reactive Power Control Mode to Dry contact remote control. For details, see
Connecting a Ripple Control
Figure 8-12 Dry contact remote control

8.2.3 AI/DI Scheduling

AI/DI scheduling applies to a PV plant with high rated output power and complex networking.
Power grid companies have high requirements on power adjustment in terms of remote
Issue Draft A (2017-02-15)

A maximum of 16 levels is supported for power factors.
"√" indicates low level. When connecting to GND2, the four DI ports of the SmartLogger are

low-level ports. If not connected, the ports are high-level ports.
 The percentage levels of DI5–DI8 should differ from each other. Otherwise, an abnormal command
is generated.
If a "√" is under Capacitive, the power factor is a negative value, indicating that the power grid

supplies reactive power to the PV plant. If no "√" is under Capacitive, the power factor is a positive
value, indicating that the PV plant supplies reactive power to the power grid.
 If Active Power Control is set to AI remote control, Reactive power control mode cannot be set
to Dry contact remote control.
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Receiver.
8 Power Grid Scheduling
Figure 8-12.
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