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Option 11C and 11C Mini Technical Reference Guide
Worksheet H: Battery current and AC line calculation for
AC systems using NTAK75 and NTAK76
Pin (Main) = Pout (Main)
0.80
= _____
= _____
I line (Main) in AC amps =P
in_(Main)
Vx0.6
I Batt(Main)
80% efficiency
Option 11C
CE&PE
NTAK75/76
battery unit
To AC power
source
Main cabinet
Pout (Main) = _____
PF = 0.6,
V = 110VAC or
208VAC
VBatt = 48VDC
Note: Pline (Main) = 750VA +/- 10% maximum during battery charging
Pin (Expan) = P
out (Expan)
0.80
= _____
= _____
I line (Expan) in AC amps =P
in_(Expan)
Vx0.6
I Batt (Expan)
80% efficiency
Option 11C
CE & PE
NTAK75/76
battery unit
To AC power
source
Expansion cabinet
Pout (Expan) = _____
PF = 0.6,
V = 110VAC or
208VAC
VBatt = 48VDC
Note: Pline (Expan) = 750VA +/- 10% maximum during battery charging
I Batt(Main) in DC amps =P
in (Main) = _____
48
I Batt (Expan) in DC amps =P
in (Expan) = _____
48
power supply
NTDK78 AC/DC
power supply
NTDK78 AC/DC