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Chapter 1. INTRODUCTION
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TM-11-6130-385-34 Inverter Static Power PP-7274/A (NSN 6125-00-148-8342) and PP-727 4A/A (NSN 6130-01-093-3077) Manual
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chapter 2. FUNCTIONING OF EQUIPMENT

TM 11-6130-385-34
Electrical
Characteristics
Values
Parameters
and
conditions
Input
Voltage:
Nominal.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
..
.
28 v d c
Normal
Operation...
.
.
.
.
.
.
.
.
..
.
.
.
24-30
vdc
At
28
vdc,
full
load.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
41 amp max
Input
Current:
Nominal. . . . . . . . . . . .. . . . . . . . . . . . . . . . . . ..
output
Voltage:
115 vac true rms
27
to
30
vdc
input,
unity
PF,
+
.85
PF,
­
.95
PF,
0
to
112.5 -117.5 vac
­55°
C.
to
71°
C.
Per
MIL-57D-810
30,000
feet,
Notice 4, Method 507, 508, 509, 510, and 511
Maximum continuous operation... . . . . . . . . . . . . .. .
Output
Power:
750 VA 3Ø, 250 VA per Ø at 41 amp
and 28 vdc input
24-30
vdc
input,
unity
PF,
+
.85
PF,
­
.95
PF,
0
to
400 ± 7 hertz
Output
Frequency:
30,000 feet, ­55° C. to 71° c.
Normal operating conditions of 28 vdc input, unity PF,
output
Distortion:
5 % total harmonic distortion max
sea level and 25° C. ±15° C.
(For 5% max total harmonic distortion)
. . . . . . . . . . . . . . . . .. .
0.95
leading
(min)
to
0.85
lagging
Load
Power
Factor:
(min)
50 vac min
200% rated current for 5 seconds... . . . . . . . . . . . . . . . . . .. . ..
overload:
Internal
protection
is
provided
at
250%
rated
current
for
Short
Circuit:
Will
not
damage
unit.
Unit
will
recover
automatically
(into
any
5
seconds
minimum
into
a
short
circuit,
automatic
rated
load)
within
2
seconds
upon
current
limiting
then
occurs
removal
of
short
circuit
(or
overload)
. . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . .
Reduced
Input
Voltage:
18-23 vdc.
Unit
will
provide
100-117.5
vac
(at
any
rated
load)
0-23 vdc. . . . . . .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Unit will not be damaged
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . .
29-32 vdc.
No
damage
with
full
load
for
5-
Excessive
Input
Voltage:
minute period.
Physical
Characteristics
Parameters
and
conditions
Specifications
Height:
8.00
in.
max
Overall
Dimensions:
Width: 5.50 in. max
Length: 11.50 in. max
Weight:
23.6 lb. max
Operating
Temperature
Range:
­55 °C. to 71° C.
Cooling:
Internal
fan
Change
1

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