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The purpose of this procedure is to define uniform acceptable methods for making tests to determine the performance of alternating-current, aircraft type, induction electric motors. The methods in this publication are intended to serve as a standard for both manufacturers and users of aircraft motors. It is intended that the standardizing of test procedures will lead to coincident test data regardless of which party conducts the test. The procedure is applicable to aircraft motors which operate from constant-frequency (nominally 400-cycle-per-second) constant-voltage (nominally 115 volt line to neutral, 3-phase four-wire or 115 volt single-phase) alternating-current aircraft power systems.

Airplanes --- Electrical equipment --- Testing --- Standards.

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Electronic apparatus and appliances --- Electronics --- Appareils électroniques --- Electronic --- Electrical Equipment and Supplies --- instrumentation --- instrumentation.

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Medical electronics --- Biomedical engineering --- Biomedical engineering. --- Medical electronics. --- Electronics, Medical. --- Bioengineering. --- Electrical Equipment and Supplies. --- Electronics, Medical --- Bioengineering --- Electrical Equipment and Supplies --- Électronique en médecine --- Génie biomédical --- Électronique en médecine.

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means of maintenance in agriculture --- electrical equipment in agriculture --- agricultural mechanization --- electrophysical installations --- methods of experimental physics

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Prepared by the Automated People Mover Standards Committee of the Standards Council of the Transportation and Development Institute of ASCE Automated People Mover Standards, ANSI/ASCE/T&DI 21-13, establishes the minimum requirements necessary to achieve an acceptable level of safety and performance for an automated people mover (APM) system. An APM is defined as a guided transit mode that is fully automated, featuring vehicles that operate on guideways with exclusive right-of-way. This Standard covers design, construction, operation, and maintenance of APM systems. This fully updated revision consolidates all four parts of ASCE 21 that previously were published separately. Topics include: operating environment; safety requirements; system dependability; automatic train control; audio and visual communications; vehicles; propulsion and braking; electrical equipment; stations; guideways; security; emergency preparedness; verification and demonstration; operations, maintenance, and training; and operational monitoring. One mandatory annex covers requirements for system safety programs. Nonmandatory annexes include a bibliography; recommended practice for acceptance of an APM system application; inspection and test guidelines; and recommended practice for working safely near APM systems. This Standard may be used in a safety certification process. It will be helpful to anyone who owns, operates, maintains, designs, test, insures, oversees, or certifies APMs. It will also be valuable to transportation engineers, safety engineers, and contractors for APM systems or other innovative technology transit systems.

Personal rapid transit --- Automated people movers --- Safety --- Communication systems --- Electrical systems --- Automated transit systems --- Electrical equipment --- Vehicles --- Guideways --- Standards.