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Standard

Penalties IN Performance of Three-Phase, Four-Wire, 400-Cycle Motors Caused by the Opening of One Phase
2017-11-30
CURRENT
AIR34B
The scope of this SAE Aerospace Information Report (AIR) is to present a guide for the determination of probable power output and the effect on the aircraft system that will be experienced when operating three-phase motors with one phase open. Unfortunately, the above subject cannot be resolved by specific rules. Modern aircraft or missile electrical systems are composed of a wide variety of electrical and electronic components. These components react differently under identical impetus due to the latitude of their design. This latitude of design must be allowed wherever possible to the accessory designer due to the various specification requirements. Therefore, it cannot be over-emphasized that the effect on the airplane or missile system, as well as motor operation, of three-phase motors on two-phase power must be thoroughly investigated.
Standard

PENALTIES IN PERFORMANCE OF THREE-PHASE, FOUR-WIRE, 400-CYCLE MOTORS CAUSED BY THE OPENING OF ONE PHASE
2010-07-06
HISTORICAL
AIR34A
The scope of this SAE Aerospace Information Report (AIR) is to present a guide for the determination of probable power output and the effect on the aircraft system that will be experienced when operating three-phase motors with one phase open. Unfortunately, the above subject cannot be resolved by specific rules. Modern aircraft or missile electrical systems are composed of a wide variety of electrical and electronic components. These components react differently under identical impetus due to the latitude of their design. This latitude of design must be allowed wherever possible to the accessory designer due to the various specification requirements. Therefore, it cannot be over-emphasized that the effect on the airplane or missile system, as well as motor operation, of three-phase motors on two-phase power must be thoroughly investigated.
Standard

Speed Variation of D-C Motors
2017-10-26
CURRENT
AIR857A
The scope of this SAE Aerospace Information Report (AIR) is a review of the factors contributing to speed variation of d-c motors, a presentation of typical data showing speed variation as a function of certain variables for representative motors, and a recommendation of a means of improving communications between motor users and manufacturers. The following analysis is limited to variations in voltage, torque, temperature, and altitude of the same magnitude as in MIL-M-8609.
Standard

Electrical Computing Resolvers
2017-11-30
CURRENT
ARP826A
This document covers resolvers which are used to perform coordinate transformations as well as sine and cosine computations, It includes both the categories of compensated and uncompensated resolvers which perform these functions. Linear resolvers are also included because of their similarity to resolvers.
Standard

ELECTRICAL COMPUTING RESOLVERS
2010-07-06
HISTORICAL
ARP826
This document covers resolvers which are used to perform coordinate transformations as well as sine and cosine computations, It includes both the categories of compensated and uncompensated resolvers which perform these functions. Linear resolvers are also included because of their similarity to resolvers.
Standard

PRECISION CONTROL MOTORS - 400 CYCLES
2010-07-06
HISTORICAL
ARP497A
This recommendation establishes objectives for high performance control motors to be used with aeronautical and associated equipment in protective enclosures or completely within the shell of the aircraft so that they are subjected only to the internal climatic conditions of heat, cold, shock, vibration, altitude, and humidity. Control motors larger than size #23 are not covered in this document.
Standard

Precision Control Motors – 400 Cycles
2017-11-30
CURRENT
ARP497B
This recommendation establishes objectives for high performance control motors to be used with aeronautical and associated equipment in protective enclosures or completely within the shell of the aircraft so that they are subjected only to the internal climatic conditions of heat, cold, shock, vibration, altitude, and humidity. Control motors larger than size #23 are not covered in this document.
Standard

Electrical Actuation Systems for Aerospace and Other Applications
2012-03-29
CURRENT
ARP4255A
This Aerospace Recommended Practice (ARP) is intended as a guide in the preparation of Procurement Specifications for electrical actuator systems to be used in aerospace and other applications. Detail requirements, as necessary to completely define a specific actuator, are the responsibility of the procuring agency.
Standard

ELECTRICAL ACTUATION SYSTEMS FOR AEROSPACE AND OTHER APPLICATIONS
1991-10-01
HISTORICAL
ARP4255
This Aerospace Recommended Practice (ARP) is intended as a guide in the preparation of Procurement Specifications for electrical actuator systems to be used in aerospace and other applications. Detail requirements, as necessary to completely define a specific actuator, are the responsibility of the procuring agency.
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