7 System Power-O
If you need to power o the system during maintenance, use the SmartLogger or
MGCC to power o the system.
Using the SmartLogger
Step 1 Send a shutdown command.
1. Log in to the SmartLogger WebUI and send a shutdown command to the
SUN2000, PCS, and Smart Rack Controller.
Method 1 (array-level): Choose Maintenance > Connect Device, and click
.
Method 2 (bus-level): Choose Overview > Plant Running Info., and click .
2. Choose Monitoring > Inverter > Running Info. Check Device status and
Active power to verify that the shutdown is successful.
3. Choose Monitoring > PCS > Running Info. Check Device status, Active
power, and DC voltage to verify that the shutdown is successful.
4. Choose Monitoring > CMU > Running Info. Check Rated power and Total
output voltage of rectiers to verify that the shutdown is successful.
Step 2 Power o the devices: Turn o the main power switches and then the auxiliary
power switches of the devices by referring to the operations of 4.1 Device Power-
On in the reverse order.
Commercial and Industrial Microgrid Energy Storage
Solution
Quick Guide (With Third-Party Microgrid Central
Controller) 7 System Power-O
Issue 04 (2023-12-18) Copyright © Huawei Digital Power Technologies Co., Ltd. 41