Step 4 Check the switch status.
1. Check that the switches on both sides of the isolation transformer are o.
2. Check that the switch between the PCS AC side and the isolation transformer
and that the switch between the SUN2000 AC side and the isolation
transformer are turned o.
Step 5 Perform the ESS re suppression system acceptance test.
System power-on and commissioning can be performed only after the ESS re
suppression system passes the acceptance test.
1. Remove foreign objects from the ESS, collect auxiliary materials, and take
away ammable objects such as cardboards.
2. Perform the following steps to power on the ESS auxiliary power supply:
– On-grid scenario: The power grid supplies power to the UPS, and the UPS
supplies power to the CMU of the ESS and SACU or SmartLogger.
– O-grid scenario: The UPS supplies power to the CMU of the ESS and
SACU or SmartLogger.
3. Log in to the SACU or SmartLogger WebUI. The following alarms shall not be
generated. If any of the following alarms is generated, clear the alarm
according to the alarm handling suggestions:
– 3826 Combustible Gas Alarm
– 3832 Fire Alarm
– 3831 Built-in Fire Suppression Module Pressure Low
– 3847 Built-in Fire Suppression Pressure Low for Extended Periods
– 3838 T/H Sensor Communication Failure
– 3840 CO Sensor Communication Failure
– 3850 Combustible Gas Detection Malfunction
4. Check whether the reading of the pressure gauge on the rack mounted re
extinguishing system is normal.
5. Remove the communications cables between the rack mounted re
extinguishing system and the CMU. The SACU or SmartLogger WebUI shall
report related alarms.
----End
Commercial and Industrial Microgrid Energy Storage
Solution
Quick Guide (With Third-Party Microgrid Central
Controller) 3 Check and Preparation Before Power-On
Issue 04 (2023-12-18) Copyright © Huawei Digital Power Technologies Co., Ltd. 18
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