Chapter 9 Product Specification
MUST400_User manual_EN_REV02 User Manual
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9.5 Electrical Characteristics (Intermediate DC Link)
Table.9- 5: Battery Information
Items
Unit
Parameters
Battery
bus
voltage
Vdc
Nominal: ±240V, one-side range: 198V~288V
Quantity of lead-
acid cells
Nominal
480V=40*6cell(12V)
Float
charge
voltage
V/cell (VRLA)
2.25V/cell(selectable from 2.2V/cell~2.35V/cell)
Constant current and constant voltage charge mode
Temperature
compensation
mV/°C /cl
-3.0(selectable from : 0~-5.0, 25°C or 30°C, or inhibit)
Ripple voltage
%V float
≤1
Ripple current
%C10
≤5
Boost
charge
voltage
V/cell (VRLA)
2.4V/cell(selectable from : 2.30V/cell
~
2.45V/cell)
Constant current and constant voltage charge mode
End
of
discharging
voltage
V/cell (VRLA)
1.65V/cell(selectable from : 1.60V/cell
~
1.750V/cell) @0.6C
discharge current
1.75V/cell (selectable from : 1.65V/cell
~
1.8V/cell) @0.15C
discharge current
(EOD voltage changes linearly within the set range according to
discharge current)
Battery
Charging Power
kW
10%* UPS capacity (selectable from : 0~20%* UPS capacity)