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MIL-D-23222A(AS)
3.13
ELECTRICAL DEMONSTRATION
3.13.1
GENERAL. - All applicable electrical demonstrations
shall be performed by the contractor. Any demon-
-
strations completed and properly attested by a test authority in
accordance with, but prior to the scheduled point of demonstration,
shall be included in reports submitted in compliance with 3.19.2.12.
3.13.2
PERFORMANCE. - The contractor shall demonstrate the
performance of the complete electrical system. The
demonstration, consisting of flight and ground tests, shall be adequate
to determine the capability of the system to perform adequately the
functions directed by the required missions of the helicopter. The
contractor shall include a demonstration of the accessibility of units
for test, adjustment, removal and handling for servicing. It shall
be demonstrated that the installation meets the requirements of Spec
MIL-E-7080 and MIL-W-5088.
3.13.2.1
TEMPERATURE. - The contractor shall demonstrate that
the operating temperatures of all electrical power
and conversion equipments are within the specification design limita-
tions of this equipment as demonstrated in the qualification of the
equipment. Operating temperatures shall be determined in the full rated
output of the equipment or with loads which the contractor is applying
to the equipment, whichever temperature is greater.
3.13.2.2
PRIME MOVER CAPACITY. - The contractor shall demon-
strate that the prime mover has adequate capacity
to maintain rated generator loads and overloads to specified limits of
the applicable specifications.
3.13.2.3
POWER. - The generation and conversion of adequate
electric power, or adequate electric power plus the
excess power based upon the preliminary load analysis, whichever is
greater, shall be demonstrated.  The contractor shall also demonstrate
that electric power at the terminals of bad equipment conforms to MIL-
STD-704 by recording power characteristics at the terminals of at
least ten representative load equipments. The above shall be demonstra-
ted throughout the ground and inflight rotor RPM range and at maxi-
mum autorotative rotor RPM.
3.13.2.4
EMERGENCY POWER. - The contractor shall demonstrate
that the emergency power available, and the alternate
and emergency electrical circuits are adquate and satisfactory under
all flight conditions of the helicopter. This demonstration shall
include performance for voltage regulation, frequency regulation, and
84

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