MIL-PRF-21480B
CONTENTS
FIGURE
PAGE
1.
Aircraft compartment temperature-altitude ambient environment
(see 3.4.2.1 and table VII)................................................................................................. 56
2.
Air inlet temperature-altitude environment for air cooled generators
(see 3.4.2.11, 3.4.9.6.1b and 6.6.1) ................................................................................... 57
3.
Shock response spectra (see 3.4.2.6, 4.5.24, 4.5.24.a, and 4.5.24.b) ................................ 58
4.
Turbine engine vibration exposure (see 3.4.2.7.1, 4.5.2.3.2.1, and 6.6.3.2.a) .................. 59
5.
Jet aircraft vibration exposure (see 3.4.2.7.2.a, 4.5.23.2.2.a, and 6.6.3.2.b)..................... 60
6.
Propeller aircraft vibration exposure (see 3.4.2.7.b and 4.5.23.2.2.b) .............................. 61
7.
Helicopter vibration (see 3.4.2.7.2.c, 4.5.23.2.2.c, and 6.6.3.1.d) .................................... 62
8.
Generator package attitude (pitch and roll) (see 3.4.3)..................................................... 63
9.
Normal voltage limits for AC power source (class N) (see 3.5.1.1)................................. 64
10.
Normal voltage limits for AC power source (class W) (see 3.5.1.1) ................................ 65
11.
Voltage limits for DC power source (see 3.5.1.2 and 4.5.2)............................................. 66
12.
Voltage modulation characteristics for AC power source (see 3.5.2) .............................. 67
13.
Abnormal voltage limits for AC power source (class N) (see 3.5.3.b, 3.5.7.3,
4.5.17.a, and 4.5.17.b)....................................................................................................... 68
14.
Abnormal voltage limits for AC power source (class W) (see 3.5.3.b, 3.5.7.2,
3.5.7.3, 4.5.17.a, and 4.5.17.b).......................................................................................... 69
15.
Distortion spectrum limits for AC power source (see 3.5.4.b) ......................................... 70
16.
Distortion spectrum limits for DC power source (see 3.5.5) ............................................ 71
17.
Protection limits for AC power source frequency (class N) (see 3.5.7.4.a
and 4.5.17.c)...................................................................................................................... 72
18.
Protection limits for AC power source frequency (class W) (see 3.5.7.4.b
and 4.5.17.c)...................................................................................................................... 73
19.
Altitude rating chart for air cooled generators (see 6.2.c) ................................................ 74
CONCLUDING MATERIAL..............................................................................75
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