ARINC 413A : 1976

1.0 - INTRODUCTION
1.1 - Purpose
1.2 - Customers Needs
1.3 - Relationship with Other Specifications
1.4 - Use of ?Specification Language'
1.5 - Use of This Report
1.6 - Significance of Interchangeability
1.7 - Wire Impedance and Electrical
       Current Requirements
1.8 - Credits
2.0 - POWER SYSTEM CHARACTERISTICS
2.1 - General
2.2 - Power Sources
2.3 - Voltage Regulation
2.4 - Noise and Harmonic Content
2.5 - Typical Aircraft Power System
2.6 - Classification of Operating Modes
3.0 - VOLTAGE TRANSIENTS
3.1 - Background Information
3.2 - Significance of Transients on DC Buses as
       Opposed to Those on AC Buses
3.3 - Voltage Transient Protection
4.0 - INTERFERENCE CONTROL
4.1 - General
4.2 - Relationship of Airline Needs to MIL-E-6051
       and MIL-I-6181
4.3 - RTCA/EUROCAE Interference Control Standards
4.4 - Equipment Susceptibility to Conducted Noise
4.5 - Generation of Noise and Interference
4.6 - Susceptibility to Radiated Interference
4.7 - Other Interference Control Considerations
4.8 - Use of Single Point Ground Circuitry
4.9 - Categories of Interference Protection
4.10 - Wire Shields (Screens)
5.0 - CIRCUIT PROTECTION
5.1 - General
5.2 - Power Feed Circuit Breakers and Fuses
5.3 - Equipment Protection by Power Feed Circuit
       Breakers and Fuses
6.0 - EMERGENCY POWER AND EQUIPMENT
       OPERATION
6.1 - Need for Emergency Power
6.2 - Characteristics of Power from Emergency Sources
6.3 - Equipment Operation During Emergency conditions
6.4 - Emergency Source of Aircraft Power
7.0 - INSTRUMENTATION CIRCUITS
7.1 - General
7.2 - Need and Importance of Providing an
       Internal 26 VAC Instrumentation Supply
7.3 - Overload Protection of 26 V.A.C. Internal
       Power Sources
7.4 - Choice Between Aircraft and Internal System
       Instrumentation Power
7.5 - Need to Avoid Sneak Circuits
8.0 - EQUIPMENT UTILIZATION POWER DESIGN
8.1 - Choice of Power
8.2 - Requirements for Equipment Tolerance to
       Supply Voltage Variation
8.3 - Requirement for Equipment Rejection of
       Ripple on the DC Power
8.4 - Equipment and Personnel Protection
8.5 - Prevention of Smoke
8.6 - Reverse Polarity Protection
9.0 - AIRPLANE COMPUTER BUS
ATTACHMENTS
ATTACHMENT 1 - Military Standard 704B Aircraft Electric
                 Power Characteristics
ATTACHMENT 2 - 'Old' VS. 'New' 115 VAC Power Systems
ATTACHMENT 3-1 - Categories of Interference Protection
ATTACHMENT 3-2 - Wire Shielding & Grounding Standards
ATTACHMENT 4 - Typical Airline Installations
ATTACHMENT 5 - Alternate Source 26 VAC Excitation
ATTACHMENT 6 - Interwiring Diagrams
ATTACHMENT 7 - 'Computer Bus' Power
APPENDICES
APPENDIX 1 - Reference Publications Specifications
              and Reports
APPENDIX 2 - Chronology, Participation, and
              Bibliography of the Aircraft Electrical
              Power Update Project
APPENDIX 3 - Lockheed Electric Power Spec for L-1011
APPENDIX 4 - Aircraft Electrical Power System
              Transients - Boeing Report D-6-33685
APPENDIX 5 - Original Industry Proposals for Transient
              Limits
APPENDIX 6 - Effective Bus Impedance In Ohms
APPENDIX 7 - Achieving Electromagnetic Compatibility
              By Control of the Wiring Installation
              Douglas Paper 1661
APPENDIX 8 - Variable Speed Constant Frequency
              Electrical Power System
APPENDIX 9 - Typical Nickel-Cadmium Battery Discharge
              Curves
APPENDIX 10 - Typical Aircraft Circuit Breaker Time-Circuit
              Characteristics
APPENDIX 11 - Summary of Industry Desired Changes to
              MIL-STD-704B (dated 17 November 1975)
APPENDIX 12 - Electric Power Quality Specification
              Comparison
APPENDIX 13 - Military Standard 704 Electric Power,
              Aircraft, Characteristics and Utilization
              of October 6, 1959
APPENDIX 14 - Military Standard 704A Electric Power,
              Aircraft, Characteristics and Utilization
              of May 5, 1970
APPENDIX 15 - AEEC Power Update Project - U.S. Navy
              Comments

Gives equipment and aircraft manufacturers with guidance concerning the characteristics and utilization of aircraft electrical power.