MIL-PRF-62061D
3.3.6 Ripple. The generator shall meet the following requirements:
a) Fault free and battery only conditions - The upper and lower peaks of ripple voltage
shall each be less than 2 V. The frequency components of the ripple shall be within
the range of 50 Hertz (Hz) to 200 kilohertz (kHz).
b) Single fault condition (vehicle system operates with generator only, i.e., no battery) -
The upper and lower peaks of ripple voltage shall each be less than 7 V. The
frequency components of the ripple shall be within the range of 50 Hz to 200 kHz.
3.3.7 Generator flexible drive.
3.3.7.1 Torsional vibration, 100 hours. The flexible drive shall limit the armature
amplitude to within plus or minus (±) 5 degrees () in torsional vibration (see 4.5.7.1).
3.3.7.2 Torsional vibration, 15 minutes. The flexible drive shall limit the armature
amplitude to within ±7 in torsional vibration (see 4.7.5.2).
3.4 Interface requirements.
3.4.1 Design interface. Generator assemblies shall conform to the envelope and
mounting dimensions, the electrical and mechanical interfaces, and conform to the applicable
configuration specified below (see 1.2 and 4.6.1).
Configuration A
-
Generator with mechanically driven blower
(Drawing 8717421 (interface))
Configuration B
-
Generator with built in electrically driven blower
(Drawing 10889713 (interface))
Configuration C
-
Generator with mounted electrically driven blower
(Drawing 10889998 (interface))
Configuration D
-
Generator - Air intake Assembly
(Drawing 10914831 (interface))
3.4.2 Interchangeability. All generator assemblies and all component parts shall be
physically and functionally interchangeable with all other component parts of same part number
previously furnished under this specification (see 4.6.2).
3.4.3 Electromagnetic compatibility.
3.4.3.1 Conducted emissions. Conducted emissions shall not exceed the values given in
CE102 of MIL-STD-461 (see 4.6.3).
3.4.3.2 Radiated emissions. Electric field emissions shall not be radiated in excess of the
limits for Army ground applications in RE102 of MIL-STD-461 (see 4.6.3).
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