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Eltek Valere PSR327 User Manual

Eltek Valere PSR327
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Rectifier
PSR327
User Manual
Page 12 (20)
©2009. ELTEK VALERE DEUTSCHLAND GmbH. UM_PSR327_21TE_ E_R5.0
4.3 Charge Characteristic/Output Power Diagram
The charge characteristic of the PSR327 is a power limited IV characteristic curve in accordance with
DIN 41772/DIN 41773.
For modules in parallel operation mode a load sharing of about ±10% is attained due to a sloping output
voltage line (-1% at 100% Inom).
The module is continuously short circuit proof.
Figure 6) Output power diagram
(example PSR327/48-56)
Calculation of the output current (Io) at different output voltage values using the PSR327/48-65 being
the example:
The PSR327 rectifier provides an output power of Vonom x Ionom= Ponom (48V x 56.25A= 2700W).
As shown with the output power diagram (see figure 6), the nominal output current (56.25A) is available
at the nominal output voltage (48.0V).
At other output voltage values (e.g. float or boost charge voltage), the output current is corresponding
to the following formula: Io= Ponom : Vo
Example 1):
Float charge voltage for lead acid batteries (24 cells) = 54.5V; Io= 2700W : 54.5V= 49.5A
Example 2):
Boost charge voltage for lead acid batteries (24 cells) = 57.6V; Io= 2700W : 57.6V= 46.9A

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Eltek Valere PSR327 Specifications

General IconGeneral
BrandEltek Valere
ModelPSR327
CategoryBattery Charger
LanguageEnglish