Annual Maintenance - Huawei UPS5000-E Series User Manual

UPS5000-E-(350 kVA–800 kVA)
User Manual (50 kVA Power Modules)
Check Item
Parameter
configuration
Status record
Shallow
discharge test
(recommende
d)

5.1.3 Annual Maintenance

Table 5-3 Annual Maintenance
Check Item
Grounding
Power cables and
terminals (between the
UPS and the power
distribution cabinet)
Through-current capacity
of cables and circuit
breakers
Issue 15 (2022-01-30)
Expected Result
The configuration of the
output voltage grade,
frequency, number of
batteries, and battery capacity
meets requirements.
Record the three-phase load
rate and output power factor.
Conduct a shallow discharge
test when the UPS is backed
up to verify that the batteries
can discharge normally.
Expected Result
Check that the ground
cables are connected
securely.
The insulation layers of
cables are intact and
terminals are free from
black marks and
noticeable sparks.
The circuit breakers and
cables meet load
requirements.
The actual cable
through-current capacity
is greater than the circuit
breaker specifications.
Copyright © Huawei Technologies Co., Ltd.
5 Routine Maintenance
Troubleshooting
Reset the parameters.
If an exception occurs, check
the load status.
If an alarm is generated, refer
to the alarm list.
Troubleshooting
Tighten the screws.
● Replace the cables.
● Secure all output
terminals.
● Replace the circuit
breakers.
● Replace the cables.
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