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    NAVY MIL-M-28905 A-1973 MOTOR-GENERATOR 10 KW《10千瓦电动发电机》.pdf

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    NAVY MIL-M-28905 A-1973 MOTOR-GENERATOR 10 KW《10千瓦电动发电机》.pdf

    1、MIL-M-ZB705A bL 7797906 009127b b W i d- 51-13 26 Novenher 1993 SUPERSEDING MI L-M- 2 8 90 5 (MC ) 13 January 1969 MILITARY SPECIFICATION MOTOR-GENERATOR: 10 KW This specification is approved for use by all. Departments and Agencies of the Department of Defense. 1. SCOPE :*lei This specification cov

    2、ers one type motor-generator for converting 60-hertz (Hz) power to 400-Hz power. The motor input current is to be 3 phase, 416/208 volt (Vi, 60 142, 4 wirec and the alternator output is to be 10 kilowatts (kW), 0.8 power factor (pf) lagging, 400 Hz, 3 phase- 4 wire 120/208 V, reconnectible to 240/41

    3、6 V. 2. APPLICABLE DOCUMENTS *2.1 The following documents of the issue in effect on the date of invitation for bids or request for proposal, form a part of the specification to the extent specified herein. SPECIFICATIONS FEDERAL CC-M-641 - Motor, Alternating Current (Integral FF-B-171 - Bearings, Ba

    4、ll, Annular (General Purpose) QQ-P-416 - Plating, Cadmium (Electrodeposited) . QQ-S-57 1 - Solder, Tin Alloy, Lead-tin And Lead WW-P-404 - Pipe, Steel (Seamless and Welded, ZZ-R-765 - Rubber, Silicone. PPP-T-97 - Tape, Pressure-sensitive Adhesive, Horsepower, 200 HP and Smaller) . Alloy. Black And Z

    5、inc-coated) (Galvanized) . Filament Reinforced. L MILITARY *. MIL-C-104 - Crate, Wood, Lumber Basic Design Requirements For. Cable And Wire, Electrical (Power And Control; Flexible And Extra Flexible, 300 And 600 Volts) . Insulation, Sheet And Tape, Electrical, Coil And Slot, High Temperature. Switc

    6、h, Toggle, General Specification For. Meter, Time Totalizing, Non-hermetically Sealed, Electrical, General. Specification For. Connector, Electric, “AN“ Type. Wire, Electric, Hook-Up And Inter- connecting, Polyvinyl Chloride-insulated, Copper or Copper Alloy Conductor. Wiring, Aircraft, Selection An

    7、d Installation Of . Fasteners, Panel. Relay, Electric, Aerospace, General Specification For. Switch, Rotary, Selector Power, General Specification For. Brazing Of Steels, Copper, Copper Alloys, Nickel Alloys, Aluminum And Aluminum Alloys. Air Transportability Requirements, General Specification For.

    8、 Welding, Metal Arc And Gas, Steels, And Corrosion And Heat Resistant Alloys, Process For. Switches And Switch Assemblies, Sensitive And Push, Snap Action, General Specification For. Meter, Electrical Indicating, Panel Type, Ruggedized, General Specification For . Rod, Ground (With Attachments) . Pr

    9、ovided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-P-12742 MIL-P-13949 MIL-E-16298 MIL-G - 2 38 27 MIL-1-24092 MIL-1-46058 . MIL-P-55110 STANDARDS FEDERAL FED-STD-595 MILITARY MIL-STD-15 MIL-STD-108 MIL-STD-129 MIL-STD-130 MIL-STD-195 MIL-STD-278 MIL-

    10、STD-454 MIL-STD-461 MIL-STD-462 MIL-STD-70 5 - MIL-M-28905A (MC) - Primer Coating, Phenolic, Water - Plastic Sheet, Laminated, Copper-Clad - Electric Machines Having Rotating - Grease, Aircraft And Instrument, Gear - Insulating Varnish, Electrical, - Insulating Compound, Electrical (For - Printed Wi

    11、ring Boards. Immersible. (For. Printed Wiring) . Parts And Associated Repair Parts, Packaging Of , And Actuator Screw. Impregnating. Coating Printed Circuit Assemblies) . - Color. Electrical Wiring Symbols For Architec- tural And Electrical Layout Drawings Part 3. Definition Of And Basic Requirement

    12、 For Enclosure For Electric And Electronic Equipment. Marking For Shipment And Storage. Identification Marking Of US Military Propert y , Marking Of Connections For Electrical Assemblies, Fabrication Welding And Inspection, And Casting Inspection And Repair For Machinery, Piping And Press Vessels in

    13、 Ships Of US Navy. Standard.Genera1 Requirements For Electronic Equipments. Electromagnetic Interference Charac- teristics Requirements For Equipment. Electromagnetic Interference Charac- teristics, Measurement Of . Generator Sets, Engine-Driven, Methods Of Tests And Instructions. Provided by IHSNot

    14、 for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-M-2890 5A (MC) MS16658 MS3 5 44 6 MS35823 - Connector, Plug And Duplex Receptacle, Grounding Type, 15 Ampere, 125 Volts. - Terminal, Lug, Solder Type, Copper Tubing, One Hole. - Hinge, Continuous (Piano), 0.050 Thick

    15、ness, 0.125 Pin Dia. Electrical, Power, 2 Pole,3 Wire, 8 MI JJ ITARY MIL-HDBK 705 - Generator Sets, Electrical, Measurements And Instrumentations. (Copies of specifications, standards and handbooks required by suppliers in connection with specific procurement functions should be obtained from the pr

    16、ocuring activity or as Lirected by the contracting officer.) 2.2 Other publications, The following documents form a part of this specification to the extent specified herein. Unless otherwise indicated, the issue in effect on date of invitation for bids or request for proposal shall apply. NATIONAL

    17、BUREAU OF STANDARDS Handbook H28 - Screw-Thread Standards for Federal Services. (Application for copies should be addressed to the Superintendent of Documents, Government Printing Office, Washington, D. C, 20402.) AMERICAN SOCIETY FOR TESTING AND MATERIALS A7 - Steel for Bridges and Buildings. A373

    18、- Structural Steel for Welding. (Application for copies should be addressed to the American Society for Testing Materials, 1916 Race Street, Philadelphia, Pa, 191U3.) SOCIETY OF AUTOMOTIVE ENGINEERS SAE Handbook (Application for copies should be addressed to the Society of Automotive Engineers, 485

    19、Lexington Avenue, New York, N. Y. 10017.) Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-M-2705A bL 7777906 00732O OFFILIAL CLASSIFICATION COMMITTEE Ufsrr? Freight Classification Rrles (ApplicatLbcirt for copies should be addressed to the Offici

    20、al Classifkation Committee, 1 Park Avenue at 33rd Street, Nex York, N. Y. 87102.) 3 . REQUIREMENTS *3.1 First article. Prior to submission of any complete production items for acceptance, the Contractor shall furnish two first articles for examination and test within the time frame specified (see 6.

    21、2) for determination of conformance to this specification. Examinations and tests shall be those specified herein. Production items shall not deviate from the accepted first article. Approval of the first article will not relieve the supplier of his obligation to furnish motor-generators conforming

    22、to this specification. “3.2 Parts and materials. Materials not definitely speci- fied herein shall be selected by the contractor and shall be subject to all provisions of this specification. The use of nonstandard parts or materials shall be governed by requirement 22 of MIL-STD-454. Materials used

    23、in fabrication of the motor-generator shall not support the growth of fungus as specified in requirement 4 of MIL-STD-454. “3.2.1 Corrosion-resistinq metals and treatments. *3.2.1.1 Metals. The following are the only acceptable . corrosion-resisting metals (as distinguished from corrosion- resisting

    24、 treatments) : (a) Corrosion-resisting steel which contains a minimum of I2 percent chromium (b) Copper (c) Aluminum (d) Aluminum alloys which do not contain more than 0.4 percent copper. (e) Brass Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-

    25、M-28905A (MC) (f) Bronze (4) Beryllium-copper (h) Copper-nickel alloys (i) Nickel-copper alloys *3.2.1.2 Treatments. The following are the only acceptable corrosion-resisting treatments: (a) Sherardizing (b) Galvanizing (c) Electrodepositing with cadmium, chromium, copper, nickel, silver or zinc. (d

    26、) Aluminizing *3.2.1.3 Contact of dissimilar metals. Contact joints between dissimilar metals shall be avoided as much as practicable. Where contacts between aluminum, magnesium, or their alloys, and other metals cannot be avoided (such as at faying surfaces), the contact joints shall be painted wit

    27、h not less than one coat of phenolic primer in accordance with MIL-P-12742, except where electromagnetic compatibility requirements preclude the use of such primer and on machined fits where such-painting is not practicable. Jc3.2.2 Funqus and water resistance. The material used in the electrical ci

    28、rcuitry, including all components and connections, shall be nonnutrient to fungus growth and inherently moistureproof . Materials not so protected shall be given an overall treatment with a varnish conforming to MIL-V-173 and a final coat conforming to MIL-1-24092 with r the following exceptions: (a

    29、) (b) Components or circuit elements which are hermetically sealed need not be treated. Components or circuit elements whose functions would be adversely affected by the varnish coating shall not be treated. When used, the varnish shall be applied by spray or brush, or a combination of both, to give

    30、 a minimum dry-film thickness of 0.001 inch to component or element surfaces previously cleaned and prepared so that they are free from all foreign matter which would interfere with adherence or functioning of the varnish. Provided by IHSNot for ResaleNo reproduction or networking permitted without

    31、license from IHS-,-,- MIL-M-2B905A bL m 9773906 0093282 3 MIL-M-28905A (MC) “3.2.3 Flammable materials. Materials used in fabrication of the motor-generator shall not support combustin as specified in requirement 3 of MIL-STD-454. “3.2.4 Adhesives. Adhesives used in the fabrication of the motor-gene

    32、rator shall be as specified in requirement 23 Of MIL-STD-454. “3.2.5 Relays. Relays shall be the ruggedized, sealed type which meet the requirements of class D 10 of MIL-R-6106. If relays which meet the requirements of class D 10 of MIL-R-6106 are not available for a particular application, the rela

    33、y applied shall, as a minimum, meet the requirements of class D 10 of MIL-R-6106 for sealing, shock, and vibration. “3.2.6 Pushbuttons and limit switches. Pushbuttons and limit switches shall be of the sealed type conforming to MIL-S-8805. *3.2-.7 Vacuum tubes. The use of vacuum tubes, gas filled tu

    34、bes, voltage regulator tubes, and any other electronic tubes is prohibited. “3.2.8 Resistors and rheostats. Unless otherwise specified herein, resistors and rheostats shall conform to requirement 33 Of MIL-STD-454. “3.2.9 Capacitors. Capacitors shall conform to requLrement 2 Of MIL-STD-454. “3.2.10

    35、Current transformers. Current transformers shall be of the window type conforming to requirement 14 of MIL-STD-454, with burden to suit load, except that nonstandard ratios as required may be used. Current transformers shall be connected so that they will not require reconnection for the various vol

    36、tage connections of the generator windings. *3.2.11 Toqqle switches. Toggle switches shall be of the sealed-toggle type conforming to MIL-S-3950. shall be mounted so that the “ON“ position is away from the operator, up, or to the right of the operator. Toggle switches 3.212 Fasteners, electrical. Lo

    37、cking devices shall be * provided for each fastener used in making an electrical 7 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-M-28905A (MC) connection., Each fastener, locking device and other hasware (washers, etc.) shall be made of corrosi

    38、on-resistant material or material conforming to type II, class I of QQ-P-416. Fasteners (bolts, screws, studs, etc.) shall nut be depended upon to carry current; they shall serve merely to hold current- carrying parts (lugs, teridnals, etc.) in firm contact with each other. Where flow OE current thr

    39、ough a stud cannot be avoided, the stud and all its associated hardware (nuts, locking devices, washers, etc.) shall be made of corrosion- resistant material, Positive means (such as square shanks or pins) shall be provided for preventing turning of studs in their mountings when nuts are tightened o

    40、r loosened: lock- washers which depend on friction or spring action will not be accepted for this purpose. Unused length of studs (or screws used as studs) shall not exceed half the diameter of the stud. *302013 Fasteners, except electrical. Fasteners, except electrical, shall conform to requirement

    41、 12 of MIL-STD-454. No swaging, peening, or staking of parts subject to removal or adjustment shall be permitted, *3.2.14 Terminal boards and strips. Terminal boards and strips shall conform to requirement 19 of MIL-STD-454. Ter- minal boards and strips shall be used in preference to quick disconnec

    42、t connectors, which shall be used only where termi- nal boards and strips cannot practicably be used. *3.2,15 Hinqes and latches. Hinges shall conform to MS35823 and shall be material A when attached to aluminum and material C when attached to steel. Latches shall be made of corrosion- resisting met

    43、al and shall require manual, not spring, action for closing. *3.2,16 Semiconductors. Semiconductors shall conform to requirement 30 of ML-STD-454. In addition, all semiconductors shall be capable of withstanding, or be protected against, transient voltages and current peaks as may be experienced dur

    44、ing the following conditions: (a) Short circuit (single or three phase) at the set terminals. (b) Sudden application of half rated load at the set terminals. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-(c) Actuation of the overvoltage protection

    45、device through anactual overvoltage condition of the set. The use of circuits which require semiconductor devices of matched or paired characteristics is prohibited. Rotating rectifiers shall be readily accessible for testing and replacement in the field. . “3.2.17 Sheet metal screws. Sheet metal sc

    46、rews shall not be used. “3.2.18 Quick disconnect fasteners. Quick disconnect fasteners shall conform to type II or type III of MIL-F-5591 *3.2.19 Wire and cable. Single-conductor wire shall conform to MIL-W-5086. Multiconductor cables shall conform to MIL-C-3432. All wires shall be not smaller in di

    47、ameter than No. 16 American Wire Gage (AWG). The amount of current carried by any one wire shall be not more than the values specified in MIL-W-5088 for bundled wires. *3.2.20 Printed circuit boards. Printed circuit boards, if utilized, shall be fabricated in accordance with MIL-P-55110 using copper

    48、 clad laminate in accordance with MIL-P-13949, type G.F. The boards shall be electro-solder plated (0.001 inch minimum thickness) with solder conforming to QQ-S-571, composition SN60 or SN63. After etching, the boards shall be tin or solder immersed. The finished boards shall be coated with insulati

    49、ng compound in accordance with MIL-1-46058. The coating buildup shall be not less than 0.050 inch. Care shall be exercised to avoid coating connection provisions on the board (pins, sockets, terminal strips, etc.) with the insulating compound (conformal coating) . *3.3 Desiqn and construction. The motor-generator shall consist of a brushless motor and brushless alternator installed in a common housing with rotors on a common shaft sup


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