Step Task Power-On Operation
Powering on the
auxiliary power
supply of the
UPS-MGCC
1. Turn on the power supply switch of the
MGCC on the UPS side.
2. Turn on the power supply switch on the
MGCC side.
Powering on the
UPS-IMD auxiliary
power supply
Turn on the IMD power switch on the UPS side.
3 Powering on the
ESS auxiliary
power supply
(such as for the
air conditioners)
1. Turn on the ESS auxiliary power switch on
the power distribution equipment side.
2. Turn on the switches of the ESS power
distribution system.
a. Turn on the 12 V adapter switch 1FCB1.
b. Turn on the PSU switch 1FCB2.
c. (Optional) Turn on the 220 V
maintenance socket switch 1FB1.
d. On the embedded power subrack (SK1),
turn on the DC/DC switch 2FCB1, DC
light power switch 2FCB2, TCUE power
switch 2FCB3, fan 1 switch 2FCB6, fan 2
switch 2FCB7, air conditioner 1 switch
2FCB8, and air conditioner 2 switch
2FCB9 in sequence.
4 Powering on the
ESS-Smart Rack
Controller
Turn on DC switch 1Q1 in the ESS (on the
battery rack side).
Powering on the
Smart Rack
Controller-PCS
Turn on DC switch 1Q2 in the ESS.
5 Powering on the
isolation
transformer
For details, see the documents provided by the
vendor.
6 Powering on the
PCS
Turn on the AC switch between the PCS and
the isolation transformer.
Commercial and Industrial Microgrid Energy Storage
Solution
Quick Guide (With Third-Party Microgrid Central
Controller) 4 System Power-On and Commissioning
Issue 04 (2023-12-18) Copyright © Huawei Digital Power Technologies Co., Ltd. 24
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