MIL-HDBK 1028/6A
a) Medium and low-voltage switchgear with main breaker
and metering;
b)
Motor control center;
c) 400 Hz, solid state converters ( NAVFACENGCOM policy is to
provide solid state frequency converters. Some motor-generator frequency
converter 400 Hz systems exist, repairs and additions to these systems
shall adhere to criteria contained herein and in MIL-HDBK-1004/5);
d)
Transformers and circuit breaker distribution panels;
e) Underground distribution system with manholes and
handholes as required;
f)
Electrical feeder distribution (see Figures 6, 7, 8, 9,
and 10);
g) Aircraft hangar service point and parking apron service point
facilities ( refer to MIL-HDBK-1004/5).
2.6.2
Design Requirements. A broad range of electrical
requirements exists because of differences in aircraft types and
operational function of squadron or group. The electrical demand for both
the 60 Hz and 400 Hz shall be based on serving 12 of a full complement of
36 aircraft. The resulting demand is proportioned between parking apron
service points and hangar service points with a ratio of 2 to 1
respectively. Section 3 relates this criteria requirement to designs for
less than full complement of aircraft.
10
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