UPS5000-E-(350 kVA-800 kVA)
User Manual (50 kVA Power Modules)
4 User Interface
Issue 05 (2018-01-08)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
179
Item
Description
Bus
overvoltage
recovery
Specifies whether to automatically clear the alarm and restart the power
module when the rectifier or inverter shuts down due to a bus overvoltage
alarm. If
Bus overvoltage recovery
is set to
Enable
, the bus overvoltage
alarm is automatically cleared, and the rectifier and inverter automatically
start when the bus voltage recovers (less than 420 V) within
Bus overvolt.
recovery time
. When
Bus overvoltage recovery
is set to
Disable
, the bus
overvoltage alarm cannot be automatically cleared, and the rectifier and
inverter cannot automatically start. The default value is
Enable
.
Bus overvolt.
recovery
time
If
Bus overvoltage recovery
is set to
Enable
, the bus overvoltage alarm is
automatically cleared, and the rectifier and inverter automatically start
when the bus voltage recovers (less than 420 V) within
Bus overvolt.
recovery time
. The default value is
5s
.
Capacitor
failure
detection
If
Capacitor failure detection
is set to
Enable
, the power module (power
unit) performs inverter capacitor fault detection based on the settings of
Capacitor failure detection upper limit
and
Capacitor failure detection
lower limit
. If the power module determines that the inverter capacitor is
faulty, it shuts down the inverter to prevent the fault from expanding. The
default value is
Enable
.
Capacitor
failure
detection
upper limit
(A)
The value range of
Capacitor failure detection upper limit
is 10–13 A.
When the inverter capacitor current exceeds the current specified by this
parameter, the power module determines that the inverter capacitor is
faulty and shuts down the inverter. The default value is
13 A
.
Figure 4-36
Advanced Param. screen 4
Item
Description
Capacitor
failure
detection
lower limit
The value range of
Capacitor failure detection lower limit
is 0–2.5 A.
When the inverter capacitor current is lower than the current specified by
this parameter, the power module determines that the inverter capacitor is
faulty and shuts down the inverter. If
Capacitor failure detection lower