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Standard

ELA Standardization

2017-07-18
WIP
ARP6505
This AIR intends to better document and tabulate electrical load dynamics that influence power source capacity, power quality and stabiltiy.
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.
Standard

ELECTRICAL COMPUTING RESOLVERS

1970-06-15
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

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 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

PENALTIES IN PERFORMANCE OF THREE-PHASE, FOUR-WIRE, 400-CYCLE MOTORS CAUSED BY THE OPENING OF ONE PHASE

1996-08-01
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

PRECISION CONTROL MOTORS - 400 CYCLES

1965-01-10
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

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

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

Synchro, 60 and 400 Hz, Size 23

2017-05-18
CURRENT
AS20708/94C
This specification covers the detail requirements for 115 volt, 60 and 400 Hz, size 23 synchros (see 6.1).
Standard

Synchro, 60 and 400 Hz, Size 23

2011-10-13
HISTORICAL
AS20708/94B
This specification covers the detail requirements for 115 volt, 60 and 400 Hz, size 23 synchros (see 6.1).
Standard

Synchro, 60 and 400 Hz, Size 23

2005-03-31
HISTORICAL
AS20708/94A
This specification covers the detail requirements for 115 volt, 60 and 400 Hz, size 23 synchros (see 6.1).
Standard

Synchro, 60 and 400 Hz, Size 23

2004-05-04
HISTORICAL
AS20708/94
This specification covers the detail requirements for 115 volt, 60 and 400 Hz, size 23 synchros (see 6.1).
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