Huawei UPS5000-E-30 kVA - Setting Hibernation Mode; Transferring to Maintenance Bypass Mode

5.11 Setting Hibernation Mode
Prerequisites
NO TICE
Before enabling hibernation mode:
● Ensure that the load power is stable. If the system load power uctuation is
greater than the rated capacity of half a module (for example, the single-
phase load power uctuation is greater than 5 kVA for a 30 kVA module), the
UPS may enter and exit from hibernation mode repeatedly.
● Check whether the number of UPS redundant modules and the number of
racks are appropriate. If the number is
insucient, the UPS may not enter
hibernation mode.
Context
When the load power is small and stable, you can shut down the inverters in some
power modules so that these power modules enter hibernation mode and other
power modules bear more load power. This improves the system
eciency in the
case of small load power and increases the power module service life.
Procedure
Step 1 Choose System Info., tap
, go to Settings > System Settings screen, and set
Paral. sys. hibernate to Enable.
NO TE
If you have not logged in, enter a user name and password, and tap on the
displayed login screen.
----End
5.12 Transferring to Maintenance Bypass Mode
Context
NO TICE
● Strictly observe the following procedure to transfer the UPS to maintenance
bypass mode. Otherwise, loads may power o.
● In maintenance bypass mode, the mains supplies power to the loads directly
over the maintenance bypass. If the mains is abnormal, the loads may power
o.
UPS5000-E-(30 kVA–180 kVA)
User Manual (Integrated UPS) 5 Operations
Issue 02 (2022-12-30) Copyright © Huawei Digital Power Technologies Co., Ltd. 143