Huawei PDU8000 User Manual page 82

PDU8000 Modular Precision Power Distribution Cabinet
User Manual
No.
13
14
15
16
17
Issue 01 (2016-02-27)
Alarm Alarm
Name Severity
Main input Critical
undervolta
ge
Main input Major
overfreque
ncy
Main input Major
underfrequ
ency
Main input
Critical
overload
Max. main
Warning
input cur.
exceed
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Possible
Impact
Cause
Input The input
undervoltage: power is
Input voltage abnormal.
V < 0.85 x
Rated voltage
(Multiple:
0.75–0.95;
confirmation
time: 2–10s).
Input The input
overfrequency power is
: Power abnormal.
frequency >
52 Hz (2 Hz
above the
rated
frequency;
range: 1–10
Hz;
confirmation
time: 1–10s).
Input The input
underfrequenc power is
y: Power abnormal.
frequency <
48 Hz (2 Hz
below the
rated
frequency;
range:–1 to
–10 Hz;
confirmation
time: 1–10s).
A phase input The system is
current of a overloaded.
route exceeds
1 times of the
rated current
(multiple:
1–1.2;
confirmation
time: 1–10s).
A phase input The system is
current of a overloaded.
route exceeds
0.8 time of the
rated current
(multiple:
0.8–1).
9 Operation and Maintenance
Solutions
Check the input
power.
Check the input
power.
Check the input
power.
Check all output load
power.
Check all output load
power.
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