Huawei UPS5000-S-35K User Manual page 100

UPS5000-S-(35 kVA-210 kVA)
User Manual (Singapore, 35 kVA Power Modules)
Item
BSC mode
Altitude (m)
Air filter
maintenance
period (d)
Intra-rack
power module
start delay (s)
Inter-rack
power module
start delay (s)
Issue 02 (2020-01-10)
Description
greater than this value, the
system determines that the ECO
voltage is abnormal and transfers
to normal mode.
 Set this parameter to
Standard BSC mode for a
dual-bus system.
 After setting this parameter to
Standard BSC mode, you
need to set the two UPS
systems in the dual-bus
system to BSC master
system and BSC slave
system respectively in the
BSC master/slave system
setting. (The two UPS
systems cannot be BSC
master systems or BSC slave
systems at the same time. If
you need to change the
settings in the future, perform
operations under the guidance
of maintenance engineers.)
Set this parameter based on the
altitude of the place where the
rack is used.
Specifies the rack air filter
maintenance interval. If it is set
to 0, there is no reminder.
These two parameters enable the
UPS to control the interval that
each rack (or module) transfers
from battery mode to normal
mode, which reduces the impact
on the generator or power grid. In
the case of battery undervoltage,
the system automatically shortens
the delay for transferring to
normal mode to 1/8 of the normal
delay to accelerate the transfer
and prevent battery
overdischarge. Intra-rack power
module start delay (s) can be set
to a value ranging from 0.5 to
120. Inter-rack power module
start delay (s) can be set to a
value ranging from 2 to 120. The
preset value of Inter-rack power
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4 User Interface
Default Value Value Range
± 10%
Non-BSC mode Non-BSC mode,
Standard BSC
mode
≤ 1000 ≤ 1000, 1000–
2000, 2000–
3000, 3000–
4000, 4000–
5000
0 0–365
The default 0.5–120.0
value of this
parameter
depends on the
default number
of power
modules. The
default value is
2.0, 1.0, and 0.5
for 1–5, 6–10,
and 10–20
power modules
respectively.
5 2–120
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