MIL-DTL-38195D
TABLE I. Pneumatic performance. 1/ 2/
Min Pressure (psia)
Min Flow (Lbs./MIN)
Ambient Temperature
Output Air Temp
45 ± 2
94 ± 4
130° F (54° C)
450° F (232° C)
49 ± 2
120 ± 4
60° F (15.6° C)
355° F (179.5° C)
51 ± 2
174 ± 4
-65° F (-54° C)
205° F (96° C)
1/
See 3.5.2.
2/
At altitudes up to 10,000 feet, the rated output pressure shall be that of a constant pressure ratio machine for
a given ambient operating temperature.
TABLE II. AC generator and exciter electrical values and limits. 1/
Minimum
Nominal
Maximum
Units
Over-speed 2/
3/
RPM
162° (90°)
F (C)
Temperature rise 4/ 5/
Class B insulation
180° (100°)
F (C)
Class F insulation
324° (180°)
F (C)
Class H insulation
324° (180°)
F (C)
.. Main stator
At rated load (208 Amperes) on the
F (C)
generator
.. Exciter stator
90° (50°)
Resistance
Ambient temperature of 77° F (25° C)
Ohm Ω
.. Insulation 6/
1M
Temperature of 77° F (25° C)
Ohm Ω
8/
.. Winding 7/
Dielectric strength 9/ 10/
Between phase windings
1,250
.. Generator armature
Volts
Between phase windings and ground
1,000
Volts
Between windings and ground
500
11/
.. Generator field and
Volts
exciter windings
Between windings and ground
Volts
500
.. Windings 12/
Between windings and ground and
.. All others
Volts
13/
between windings where applicable
Short circuit 14/ 15/
At output terminals
5
Seconds
.. Sustained current
Of rated output current
200
%
Voltage unbalance 16/
Difference between line-to-line and
5
%
line-to-neutral voltages 17/
Phase balance voltage 18/
Difference in the three line-to-neutral
1
%
voltages to rated line-to-neutral
voltage
Voltage waveform 19/
Single harmonic 20/
%
2
.. Modulation 21/
Each of the line-to line and
%
1
line-to-neutral voltages 22/
%
1
.. Regulation 23/
Rated voltage from no-load to rated
load and from rated load to no-load
Phase sequence 24/
Phase rotation
25/
Stability
At constant load from no-load to
1.2
Volts
.. Short term 26/
rated load for 30 seconds 27/
.. Long term 28/
At constant ambient temperature,
2.4
Volts
constant barometric pressure,
constant frequency and any
constant load from no-load to rated
load in a 4-hour operation period
29/
16
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