Syst
em
Check
Item
Operation Method Expected Result
Circuit
breaker
status
● Verify the circuit breaker
labels by referring to the
power supply and
distribution system
diagram.
● Verify that circuit breakers
can be smoothly switched
on and
o.
● Check the circuit breaker
status.
● Circuit breaker labels are
correct, clear, complete,
and attached properly.
● Ensure that all load
circuit breakers are
reliable and controllable.
● All PDF, PDB, and PDU
circuit breakers are in
the OFF state, and all
SPD circuit breakers are
in the ON state.
Phase
sequence
Verify the phase sequences of
upstream and downstream
power distribution devices for
the FusionDC1000 using a
phase sequence meter.
The phase sequences are
consistent.
Voltage Use a multimeter to measure
the input voltage of the
Power PDB.
The voltage is in the range
of 342–418 V.
Frequency Use a multimeter to measure
the input frequency of the
Power PDB.
● Frequency range for the
50 Hz scenario: 49–51
Hz
● Frequency range for the
60 Hz scenario: 59–61
Hz
FusionDC1000A Prefabricated All-in-One Data
Center
Commissioning Guide (IT Scenario) 3 Preparations for Power-On Commissioning
Issue 02 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd. 31
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