Nortel Networks Option 11C Worksheet H: Battery current and AC line calculation for AC systems using NTAK75 and NTAK76

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Option11C and 11C Mini TechnicalReference Guide
Worksheet H: Battery current and AC line calculation for
AC systems using NTAK75 and NTAK76
Pin (Main) = Pout (Main)
0.80
=_____
=_____
Iline (Main)in ACamps =Pin_(Main)
Vx0.6
IBatt(Main)
80%efficiency
Option11C
CE&PE
NTAK75/76
battery unit
ToAC power
source
Maincabinet
Pout(Main) = _____
PF= 0.6 ,
V= 110V AC or
208VAC
VBatt= 48V DC
Note: Pline (Main) = 750VA +/- 10% maximum during battery ch arging
Pin (Expan)= Pout (Expan)
0.80 =__ ___
=_____
Iline (Expan)i n AC amps =Pin_(Expan)
Vx0.6
IBatt(Expan)
80%efficiency
Option11C
CE& PE
NTAK75/76
batteryun it
ToAC power
source
Expansioncabinet
Pout(Expan) = _____
PF= 0. 6,
V= 110V AC or
208VAC
VBatt= 48V DC
Note:Pline (Expan) = 750VA +/- 10% maximum d uring battery charging
IBatt(Main) inDC a mps =Pin (Main) = _____
48
IBatt(Expan) in DC amps =Pin (Expan) = ___ __
48
powersu pply
NTDK78 AC/DC
powersu pply
NTDK78 AC/DC