1、 _ INCH-POUND IMIL-STD-708031 May 1994SUPERSEDING “MIL-E-7080BAmendment 428 February 1992MIL-E-7080B6 June 1962MILITARY STANDARDSELECTION AND INSTALLATIONOF AIRCRAFTELECTRIC EQUIPMENTAMSC N/A FSG 16GPDISTRIBUTION STATEMENT A. Approved for public release; distribution is unlimited.Provided by IHSNot
2、for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-STD-7080FORWARD1. This military standard is approved for use by all Departments and Agencies of theDepartment of Defense.2. Beneficial comments (recommendations, additions, deletions) and any pertinentdata which may b
3、e of use in improving this document should be addressed to: Naval AirWarfare Center Aircraft Division (SY60), Patuxent River, Maryland 20670-5304 by usingthe self-addressed Standardization Document Improvement Proposal (DD Form 1426)appearing at the end of this document or by letter.iiProvided by IH
4、SNot for ResaleNo reproduction or networking permitted without license from IHS-,-,- .MIL-STD-7080CONTENTS1. SCOPE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11.1 Scope . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5、. . . . . . . . . . . . . . . . . . . .2. APPLICABLE DOCUMENTS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2.12.23.3.13.23.33.43.53.63.73.83.93.103.113.123.133.143.153.16Government documents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2.1.1 Sp
6、ecifications, standards and handbooks. . . . . . . . . . . . . . . . . . . .2.1.2 Other Government documents, drawings, andpublications. . . . . . .Order ofprecedence. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .DEFINITIONS . . . . . . . . . . . . . . . . . . . . . . .
7、 . . . . . . . . . . . . . . . . . . . . .Constant input speed ac generator. . . . . . . . . . . . . . . . . . . . . . . . . . . .Constant speed drive . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Converter. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
8、 . . . . . . . . . . . . . . . .Cycloconverter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Dc generator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .De-link . . . . . . . . . . . . . . . . . . . . . . . . . . .
9、. . . . . . . . . . . . . . . . . . . . . . . .Differential faultprotection. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Electric equipment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Integrated drive generator. . . . . . . . . . . . . . . . .
10、. . . . . . . . . . . . . . . . .Inserter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Main bus . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Power controller. . . . . . . . . . . . . . . . . . .
11、 . . . . . . . . . . . . . . . . . . . . . . .Powersource. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Utilization equipment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Utilization equipment terminals. . . . . . . . . . . .
12、. . . . . . . . . . . . . . . . . .Variable input speed ac generator. . . . . . . . . . . . . . . . . . . . . . . . . . . .4. GENERAL REQUIREMENTS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4.14.24.34.44.5Materials, parts andprocesses. . . . . . . . . . . . . . . . . . .
13、 . . . . . . . . . . . .4.1.1 Selection. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4.1.2 Metals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4.1.3 Non-metals. . . . . . . . . . . . . . . . . . . . . . . . . . .
14、. . . . . . . . . . . . . . .4.1.4 Finishes, coatings andsealants. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4.1.5 Workmanship. . . . . . . . . . . . . . . . . . . . . . . . . . . .
15、 . . . . . . . . . . . .Equipment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4.2.1 Government-furnished. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4.2.2 Contractor-furnished. . . . . . . . . . . . . . . . . . . . . . . . . .
16、. . . . . . . . .Performance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Identification ofequipment. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Grounding . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
17、 . . . . . . . . .4.5.1 Grounding receptacles. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4.5.2 Fuel nozzle grounding. ,. . . . . . . . . . . . . . . . . . . . . . . . . . . .4.5.3 Static ground . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
18、1111111344444444445555555555555666666667777Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-STD-70804.5.4 Current returns . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ”.”.” . 74.5.5 Internally grounded equipment. . . . . . . . . . . .
19、 . . . . . . . . . . . . . . . 74.5.6 Switchgear ewes. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .74.5.7 Bonding . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .”.”-” -“”- 84.6 Electromagnetic compatibility. . . . . . . . . . . . . . . . . . . . . . . . .
20、 . . . . . . 84.6.1 Filters . . . . . . . . . . . . . . . . . . . . . . . . . . . . .”.”-.”.” “” 84.7 Mounting . . . . . . . . . . . . . . . . . . . . . . . . . . ” . ” ” . . ”.”. “-”.” 84.7.1 Mounting hardware . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 84.7.2 Mountingho
21、les. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 84.7.3 Safetying . . . . . . . . . . . . . . . . . . . . . . . . .” “” 84.7.4 Shock-mounting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 94.8 Location. . . . . . . . . . . . . . . . . .
22、 . . . . . . o.”.”.0”.o” “. 94.8.1 Clearance. . . . . . . . . . . . . . . . . . . . . . ” . . ” . . . . ” ”.”. “.”- 94.8.2 Accessibility . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 94.8.3 Physical protection . . . . . . . . . . . . . . . . . . . . . . . . . . . .
23、. . . . . . . . . 94.8.4 Environment. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 104.8.5 Vulnerability . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 104.8.6 Power panels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
24、 . . . . . . . . . 104.9 Wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 104.9.1 Power feeder size . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 104.9.2 Overcurrent protecttin . . . . . . . . . . . . . . . . . . .
25、 . . . . . . . . . . . . . . 104.9.3 Wire routing. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4.10 Point ofregulation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4.11 Inspections . . . . . . . . . . . . . . DO” “ 115. DETAILED REQ
26、UIREMES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . :5.15.25.35.45.55.65.75.85.95.10Ac generators . . . . . . . . . . . . . . . . . . . . . 11Dc generators . . . . . . . . . . . .” ” 11Motors . . . . . . . . . . . . . . . . . .” . 11Converters andinvetiers. ,. . . . . . . .
27、 . . . . . . . . . . . . . . . . . . . . . . . . . 12Batteries . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . External power circuits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .External power contactors. . . . . . . . . . .
28、 . . . . . . . . . . . . . . . . . . . . . . 12External power monitors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 125.8.1 Externalpowermonitorsforl15/200 voltsac. . . . . . . . . . . . . . . . 125.8.2 External power monitorsfor28 voltsdc, . . . . . . . . . . . . . . . . . . .
29、13External powerreceptacles. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 135.9.1 Marking and identificdion. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 135.9.2 Externalpowerreceptwksforl15/200 voltsac. . . . . . . . . . . . . . . 135.9.3 External power receptwksfor28
30、voltsdc. . . . . . . . . . . . . . . . . . . 145.9.4 External power receptmbs for engine starting. . . . . . . . . . . . . . . 14Utility receptacles. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 145.10.1 Utilityreceptaclesforl15/200 voltsac. . . . . . . . . . . . . .
31、 . . . . . . . 145.10.2 Utility receptmles for28voltsdc. . . . . . . . . . . . . . . . . . . . . . . . . 145.10.3 Utility receptacles for270voltsdc. . . . . . . . . . . . . . . . . . . . . . . . 14ivProvided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-5.1
32、15.125.135.145.155.165.175.18MIL-STD-7080Multiplexing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14Relays . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14Circuit protective devices . . . . . . . . .
33、. . . . . . . . . . . . . . . . . . . . . . . .155.13.1 Power controllers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 155.13.2 Circuit breakers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 155.13.3 Fuses . . . . . . . . . . . . . . . . . . .
34、 . . . . . . . . . . . . . . . . . . . . . . . . . . . 15Switches. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 165.14.1 Toggleswitches. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 165.14.2 Switch guards . . . . . . . . .
35、 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 165.14.3 Limit andpushbutton switches. . . . . . . . . . . . . . . . . . . . . . . . . . 165.14.4 Rotary switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 165.14.5 Additional switch space. . . . . . . . .
36、 . . . . . . . . . . . . . . . . . . . . . . . 16Meters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16Shunts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17Controls anddisplays. . . . . . .
37、 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 175.17.1 Generator controlswitches. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 175.17.2 External power control switches. . . . . . . . . . . . . . . . . . . . . . . . . . 175.17.3 Battery controlswitch. . . . . . . . . . . .
38、 . . . . . . . . . . . . . . . . . . . . . 185.17.4 Generator warning lights. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 185.17.5 External power ready light. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 185.17.6 Flight critical equipment. . . . . . . . . . . . . . . . .
39、 . . . . . . . . . . . . . . 18Solenoids . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 196. NOTES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 196.1 Intended use . . . . . . . . . . . .
40、 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 196.2 Tailoring guidance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 196.3 Government inspectors. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 196.4 Subject term (key word)
41、listing. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 196.5 Changes from previous issue. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-STD-70801. SCOPE1.1 Scope. This st
42、andard covers the general requirements for the selection andinstallation of electric equipment in military aircraft. Electric equipment includes electricpower generation, conversion, storage, and distribution equipment, electric power controland protective devices, and motors.2. APPLICABLE DOCUMENTS
43、2.1 Government documents.2.1.1 Specifications, standards and handbooks. The following specifications,standards, and handbooks form a part of this standard to the extent specified herein.Unless otherwise specified, the issues of these documents are those listed in the issue ofthe Department of Defens
44、e Index of Specifications and Standards (DODISS) andsupplement thereto cited in the solicitation (see 6.2).SPECIFICATIONSMILITARYMIL-S-61MS3456MS3505MS3506MIL-S-3950MIL-S-4040MILC-5015MIL-C-5026MIL-B-5087MILW-5088MIL-F-5372MIL-F-5373MIL-C-5809MIL-E-6051MILR-6106MIL-S-6150MIL-G-6162MIL-A-6752MIL-V-67
45、53MIL-S-6807MIL-I-7032Shunts, Instrument, External, 50 Millivolt (Lightweight Type)Connectors, Plug, Electrical, Rear Release, Crimp Contact, AN TypeCover for Use with MS90362 External Power ReceptaclesConnector, Receptacle, External Electric Power, Aircraft, 28 Volt DcOperating PowerSwitches, Toggl
46、e, Environmentally Sealed, General Specification forSolenoid, Electrical, General Specification forConnectors, Electrical, Circular Threaded, AN , GeneralSpecification forCutout Relay, Engine GeneratorBonding, Electrical, and Lightning Protection, for Aerospace SystemsWiring, Aerospace VehicleFuse,
47、Current Limiter Type, AircraftFuseholder, Block Type, AircraftCircuit Breakers, Trip-Free, Aircraft, General Specification forElectromagnetic Compatibility Requirements, SystemRelays, Electromagnetic (Including Established Reliability (ER) Types),General Specification forStarter: Engine, Electrical,
48、 Direct Cranking Aircraft, 28 Volts DcGenerators and Starter-Generators, Electric Direct Current, Nominal 30Volts, Aircraft, General Specification forAmmeters, Voltmeters, and Loadmeters; Direct CurrentVoltmeters; 0-150 Volt, 330 to 1200 Cycles, Alternating CurrentSwitch, Rotary, Selector Power, Gen
49、eral Specification forInverters, Aircraft, General Specification for1Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-STD-7080MIL-C-7115MIL-F-7179MIL-G-7703MIL-S-7742MIL-S-7780MIL-M-7969MIL-F-8378MIL-B-8565MIL-M-8609MIL-M-8650MIL-D-8708MIL-S-8805MIL-S-8834MIL-S-8879MIL-P-15024MIL-F-15160MILF-15733MS17845MIL-F-19207MIL-F-21346MIL-G-21480MILS-22885MILD-23222MIL-R-23761/lMIL