BFGoodrich PS-823 - 4. Performance Test Standards

BFGoodrich
Avionics Systems, Inc.
Component
Maintenance Manual
P/N
101-1075-()
4.
Performance Test Standards
The performance standards
listed in Figure 107 shall be met
during testing
of
the Emergency
Power
Supply.
Parameter Or SpecificationStandard
ElectricalPerformance:
Battery-
PS-823A,C,E,G
PS-823B,D,F,H
PS-823A/T,C/T,E/T,G/T PS-823B/T,D/T,F/T,H/T
DC Output
25.0Vde
25.0Vdc
Discharge
Cutoff
l9.0Vdc 19.0Vdc
Capacity I.9Ah
3.8Ah
Maximum
Short-
15 Amperes 15 Amperes
term Drain
-
Charge Rate
Automatic Automatic
Inverter-
Voltage Input 28.0Vdc (Nominal)
*Output
Voltages
Pin 3
to 7
(GND)
I15.0Vac +7%,
-10%
for
maximum
load
of 100VA
Pin 5
to 7 (GND) 4.6Vac
+7%,
-10%
for
maximum load of 10VA
Pin 4
to 7
(GND)
26.0Vac
+7%,
-10%
for maximum load of20VA
Waveform-
Square
Wave
Frequency-
400Hz ±8Hz for
20-32.0Vde
Loadability-
100VA (Pin 3 to
GND)
intermittent
duty
Third
Phase
Output-
Network shifted 10VA maximum(Pin 1 to
Pin 3)
Power Switch
Time-
2.5
minutes
nominal for
PS-823A,
B, E,
F
3.0 minutes nominal for
PS-823C,
D, G,
H
Efficiency-
75%
at
full load
RFl-
Internal suppression
on
output and
28.0Vde
line. Meets Cat.
A
of
TSO
C-
73
and Cat. A/Z of
DO-l38
Transient
Protection-
±88V for
10mS
Reverse
Polarity-
Protected
by diode
and
fuse
Battery
Charger-
Automatic
when inverter is
on and
aircraft
28.0Vde is on.
*
For 26.0Vdc (low) and 32.0Vdc (high)
input,
tolerance
is
an
additional
5%.
Performance
Standards
Figure 107
msmljtp202TestFaultIsodiskl59
24-20-03
Page
107
Revision A
June
30,
1999