Eltek Valere UNV-F 2.5 Manual de usuario descargar pdf (Pagina 57)

100

DC Controller

UPC4 Master

User Manual

Page 57/100

Legend:

Vtapp = Measured tapped voltage value against (–)

Vbatt = Measured battery voltage

Batc = Number of batteries (value has to be set)

Ctapp = Tapping point counted from (-), value has to be set

Vplus = Calculated tapped voltage value against (+)

(a) Asymmetry calculation with tapping point at the center of the battery:

xVtappVbattDiff 2

If the difference (without consideration of sign) is greater than (5.5), asymmetry is indicated then.

(b) Asymmetry calculation with tapping point not at the center of the battery:

))((*)(2 CtappBatcCtapp

Batc

Vbatt

VtappVbattVtapp 

Vtapp2 is the battery tapping voltage against (+), calculated with consideration of a correction factor.

2VtappVtappDiff 

If the difference (without consideration of sign) is greater than (5.5), asymmetry is indicated then.

NOTE:

If "Battery Unsymm." (5.5) e.g. is set to 2V, the measured value may differ

at +/- 1V related to the calculated unsymmetry voltage.





The detection of an opened/tripped

battery fuse is only possible if the battery

tap is located behind the battery fuse. If

the difference between system- and

battery voltage is greater than parameter

“Vdiff Fuse case” (6.1) and the battery

current less than parameter “Itrigg fuse

case” (6.2), the event “Fuse open“ is

activated.

For the t

emperature compensation of the

charge voltage the temperature sensor

(6.3) of a battery has to be activated first,

e.g. "Batt1".

The temperature coefficient "Tk (per cell)"

(6.4) and "Ba

se temp. Tcomp" (6.5) depend

on the battery and have to be asked at the

manufacturer.

6.1

6.2

6.3

6.4

6.5

6.6

6.7

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Eltek Valere UNV-F 2.5 Manual de usuario Pagina 57

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