Huawei UPS5000-E Series - Page 190

UPS5000-E-(50 kVA-300 kVA)
User Manual (50 kVA Power Modules)
4 User Interface
Issue 11 (2019-12-20)
Copyright © Huawei Technologies Co., Ltd.
180
Item
Description
Default Value
Value Range
Max. BPM
transfer times
Cross currents occur during the
transfer between bypass mode
and normal mode, which impacts
the system. This parameter
specifies the number of transfers
between bypass mode and
normal mode within 1 hour,
which ensures system security.
5
1–10
Current equal.
detection
Monitors the current differences
between racks or modules. If this
parameter is set to Enable, the
Mod. Cur. Eql. Data can be
viewed on the running
information screen.
Disable
Disable, Enable
Inverter
async. alarm
Specifies whether an Inverter
asynchronous alarm can be
displayed on the LCD when the
inverter cannot track the bypass
frequency change. Normal power
supply is not affected no matter
whether this parameter is set to
Enable or Disable.
Disable
Disable, Enable
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.
Enable
Disable, 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.
5s
5s, 1 min, 5 min,
10 min