1、INCH-POUNDI MIL-R-2729D(SH) 28 January 1992 SUPERSEDING 14 October 1955 (See 6.12) MIL-R-2729C(SHIPS) MILITARY SPECIFICATION REGULATOR-EXCITER SYSTEMS, VOLTAGE, A.C. GENERATOR, NAVAL SHIPBOARD USE This specification is approved for use by the Naval Sea Systems Command, Department of the Navy, and is
2、 available for use by all Departments and Agencies of the Department of Defense. 1. SCOPE 1.1 ScoDe. This specification covers high impact (HI) shockproof alternat- ing current (ac) generator voltage regulator-exciter systems for use on Naval surface ships and submarines. 1.2 Classification. Regulat
3、or-exciter systems shall be of the following types, as specified (see 6.2). Type I - Not used. Type II - Rotary brushless exciter and voltage regulator system. Type III - Combined static exciter and voltage regulator system. 2. APPLICABLE DOCUMENTS 2.1 Government documents 2.1.1 Specifications. stan
4、dards. and handbooks. The following specifi- cations, standards, and handbooks form a part of this document to the extent specified herein. Unless otherwise specified, the issues of these documents are those listed in the issue of the Department of Defense Index of Specifications and Standards (DODI
5、SS) and supplement thereto, cited in the solicitation (see 6.2). I Beneficial comments (recommendations, additions, deletions) and any pertinent data which may be of use in improving this document should be addressed to: Commander, Naval Sea Systems Command, SEA 5523, Department of the Navy, Washing
6、ton, DC 20362-5101 by using the self-addressed Standardization Document Improvement Proposal (DD Form 1426) appearing at the end of this document or by letter. AMSC N/A FSC 6110 DISTRIBUTION STATEMENT A. Approved for public release; distribution is unlimited. Provided by IHSNot for ResaleNo reproduc
7、tion or networking permitted without license from IHS-,-,-MIL-R-2729D bl = 999990b 0508074 T MIL-R-2729D(SH) SPECIFICATIONS FEDERAL PPP-F- 320 MILITARY MIL-S - 901 MIL-E-917 MIL-1-1361 MIL-E- 2036 MIL-C-2212 MIL-G-3087 MIL-G-3124 MIL-C-5015 MIL-P-15024 - Fiberboard; Corrugated and Solid Sheet Stock
8、(Container Grade), and Cut Shapes. - Shock Tests, H.I. (High-Impact) Shipboard Machin- ery, Equipment, and Systems, Requirements for. - Electric Power Equipment, Basic Requirements (Naval Shipboard Use). - Instrument Auxiliaries, Electrical Measuring: Shunts, Resistors, and Transformers. - Enclosure
9、s for Electric and Electronic Equipment. - Controllers, Electric Motor, A.C. or D.C., and - Generator Sets, Steam Turbine (Direct and Alternat- - Generator, Alternating Current, 60-Cycle (Naval - Connectors, Electrical, Circular Threaded, AN Type, - Plates, Tags and Bands for Identification of Assoc
10、iated Switching Devices. ing Current) Naval Shipboard Use. Shipboard Use). General Specification for. Equipment. MIL-P-15024/5 - Plates, Identification. MIL- S - 15291 MIL-T-16315 MIL-E-17555 MIL-S-18396 MIL-“19097 MIL-L-19140 MIL-S-19500 MIL-G-21296 MIL-G-22077 MIL-C-26482 MIL-C-28748 MIL-C-28809 M
11、IL-“38510 - Switches, Rotary, Snap Action and Detent/Spring Return Action General Specification for. - Transformers, Power, Step-Down (Miscellaneous, Naval Shipboard Use). - Electronic and Electrical Equipment, Accessories, and Provisioned Items (Repair Parts): Packaging of. - Switches, Meter and Co
12、ntrol, Naval Shipboard. - Motor-Generators, DC to AC, Shipboard Service. - Lumber and Plywood, Fire-Retardant Treated. - Semiconductor Devices, General Specification for. - Generator Sets, Diesel Engine, 450-Volt, 60 Hertz A.C. Single and Twin Engine Driven, Naval Shipboard. - Generator Sets, Gas Tu
13、rbine, Direct and Alternating Current Naval Shipboard Use. - Connectors, Electrical, (Circular Miniature, Quick Disconnect, Environment Resisting), Receptacles and Plugs, General Specification for. Panel, Solder Type and Crimp Type Contacts General Specification for. Rigid-Flex. - Connectors, Electr
14、ical, Rectangular, Rack and - Circuit Card Assemblies, Rigid, Flexible, and - Microcircuits, General Specification for. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MILITARY (Continued) MIL-1-46058 - 1nsula:ir.E Compound, Electrical (for Coating P
15、rin:cd Circuit Assemblies). MIL-P-55110 - Printcd ;iring Board General Specification for. MIL-C-55302 - Connectors, Printed Circuit Subassembly and MIL-C-83723 - Connectors, Electrical, Circular, (Environment Accessories. Resisting), Receptacles and Plugs, General Specification for. S TANDARD S MILI
16、TARY MIL-STD-108 MIL-STD-167-1 MIL-STD-275 MIL-STD-471 MIL-STD-701 MIL-STD-721 MIL-STD-781 MIL- STD- 1331 MIL-STD-1629 - Definitions of and Basic Requirements for Enclosures for Electric and Electronic Equipment. - Mechanical Vibrations of Shipboard Equipment (Type I - Environmental and Type II - In
17、ternally Excited). - Printed Wiring for Electronic Equipment. - Maintainability Verification/Demonstration/ - Lists of Standard Semiconductor Devices. - Definitions of Terms for Reliability and Main- - Reliability Testing for Engineering Development, - Parameters to be Controlled for the Specificati
18、on - Procedures for Performing a Failure Mode, Effects Evaluation. tainability. Qualification, and Production. of Microcircuits. and Criticality Analysis. HANDBOOKS MILITARY MIL-HDBK-217 - Reliability Prediction of Electronic Equipment. MIL-HDBK-472 - Maintainability Prediction. (Unless otherwise in
19、dicated, copies of federal and military specifications, standards, and handbooks are available from the Standardization Documents Order Desk, BUG. 4D, 700 Robbins Avenue, Philadelphia, PA 19111-5094.) 2.1.2 Other Government documents. drawings. and Dublications. The following other Government docume
20、nts, drawings, and publications form a part of this document to the extent specified herein. Unless otherwise specified, the issues are those cited in the solicitation. PUBLICATION NAVAL SEA SYSTEMS COMMAND (NAVSEA) 0967-LP-312-8010 - Electronic Equipment, Shipboard, Maintainability Design Criteria
21、Handbook or Designers of. 3 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-(Application for copies should be addressed to the Standardization Documents Order Desk, BLDG. 4D, 700 Robbins Avenue, Philadelphia, PA 19111-5094.) 2.2 Order of Drecedence.
22、In the event of a conflict between the text of this document and the references cited herein, the text of this document takes precedence. Nothing in this document, however, supersedes applicable laws and regulations unless a specific exemption has been obtained. 3. REQUIREMENTS 3.1 First article. Wh
23、en specified (see 6.2), a sample shall be subjected to first article inspection (see 6.5) in accordance with 4.3. 3.2 Materials. Materials shall be in accordance with MIL-E-917. 3.2.1 Recovered materials. Unless otherwise specified herein, all equip- ment, material, and articles incorporated in the
24、products covered by this Specification shall be new and may be fabricated using materials produced from recovered materials to the maximum extent practicable without jeopardizing the intended use. The term “recovered materials“ means materials which have been collected or recovered from solid waste
25、and reprocessed to become a source of raw materials, as opposed to virgin raw materials. None of the above shall be interpreted to mean that the use of used or rebuilt products is allowed under this specification unless otherwise specifically specified. 3.2.2 Nonstructural Darts. Nonstructural parts
26、 such as terminal boxes, housings, ducts, and similar parts shall be fabricated from aluminum alloy, where feasible. 3.2.3 Hazardous materials (see 6.6.111. The material shall have no adverse effect on the health of personnel when used for its intended purpose. Questions pertinent to this effect sha
27、ll be referred by the contracting activity to the appropriate departmental medical service who will act as an advisor to the con- tracting agency. 3.2.4 Prohibited materials. Regardless of any other requirements, materials and parts containing radioactive material, mercury, cadmium, asbestos, or oth
28、er materials giving off toxic fumes under operating or casualty conditions, shall not be used. 3.3 Desinn. 3.3.1 General. Unless otherwise specified herein, regulators and exciters shall conform to MIL-E-917. 3.3.2 Reliabilitv and maintainability. 3.3.2.1 Interchangeabilitv. In no case shall mechani
29、cal parts be physically interchangeable or reversible unless such parts are also interchangeable or rever- sible with regard to function, performance, and strength. 3.3.2.2 Definitions. Unless otherwise specified herein, definitions of terms for reliability and maintainability shall be in accordance
30、 with MIL-STD-721. 4 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-3.3.2.3 Reliability. The reliabziits measure shall be Mean Time Between Failures (MTBF) as specified in MIL-STD-781. The MTBF shall be greater than 25,000 hours. 3.3.2.3.1 Reliabili
31、tv prediction. Reliability prediction analysis shall be in accordance with the parts and stress analysis of MIL-HDBK-217 (see 6.2). 3.3.2.3.2 Eauipment failure. Voltage regulator-exciter system failure shall be defined as inability of the system to perform and function within the requirements of thi
32、s specification. 3.3.2.3.3 Stress levels. Stress levels shall be calculated from design data in accordance with MIL-HDBK-217. 3.3.2.4 Maintainability. 3.3.2.4.1 Maintainabilitv measure. The measure of maintainability shall be Equipment Repair Time (ERT) in accordance with MIL-STD-471. The ERT shall
33、be not more than 3 hours. No repair shall require more than 10 hours. 3.3.2.4.2 Maintainability desim. Maintainability design shall be in accordance with NAVSEA 0967-LP-312-8010, 3.3.2.4.3 Maintainability prediction. Maintainability prediction shall be in accordance with MIL-HDBK-472, procedure II (
34、see 6.3). 3.3.2.5 Failure modes and effects analysis. Failure modes and effects analysis shall be in accordance with MIL-STD-1629 (see 6.3). Critical items shall be identified. 3.3.3 Detail reauirements. 3.3.3.1 Basic reauirement. Voltage regulator-exciter systems shall conform to MIL-E-917 (see 6.3
35、). Insulation shall be class A, B, F, or H as selected by the manufacturer in accordance with MIL-E-917. If a rotary brushless exciter is used, it shall conform to the construction and design requirements of MIL-G-3124. Semiconductors used in the rotating rectifier assembly shall be as specified in
36、3.3.3.5. All verification testing specified in MIL-G-3124 shall be performed with the rotary brushless exciter supplying excitation to the field of the main generator. 3.3.3.2 Enclosure and mountinq. 3.3.3.2.1 Type II. Enclosure and mounting shall be as follows: (a) Rotary exciter - enclosure and mo
37、unting shall be as specified (b) Voltage regulator - protected enclosure for vertical-mounting in (c) Voltage adjusting rheostats - open construction for back of board (d) Control switch and flashing switch - open construction for back of (see 6.2). switchgear unit. mounting, front of board operatio
38、n. board mounting, front of board operation. 5 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-R-2329D 61 D 999990b 0508038 3 3.3.3.2.2 -. The enclosure shall be either arrangement A or arrangement B as specified (see 6.2). 3.3.3.2.2.1 Arraneemen
39、t A. Enclosures and mounting shall be as follows: (a) Static exciter including field rectifiers - dripproof protected (b) Voltage regulator - dripproof protected enclosure for deck- (c) Voltage adjust rheostats - open construction for back of board (d) Control switch and flashing switch - open const
40、ruction for back of enclosure for deck-mounting. mount ing. mounting, front of board operation. board mounting, front of board operation. 3.3.3.2.2.2 Arraneement B. Enclosure and mounting shall be the same as arrangement A, except that the regulator shall be mounted in the exciter enclosure. 3.3.3.2
41、.3 Ambient. Deck-mounted equipment shall be designed for a 50 degree Celsius (C) ambient. Switchboard, back of board mounted shall be designed for a 65C ambient. The equipment shall have a non-operating temperature range of minus 40 to 85C. 3.3.3.2.4 Enclosures. Enclosures shall be spraytight protec
42、ted in accor- dance with MIL-E-2036. Ready accessibility of electrical connections, test points, and adjustments shall be provided for convenience in installation and maintenance. Wherever possible, line voltage connections and control circuit test points shall be separated to permit safe troublesho
43、oting with equipment operating. Enclosures and framework shall be constructed of steel, aluminum, or both. The use of aluminum for weight reduction is considered desirable and shall be used if structurally suitable. Enclosures shall be of the dead-front type. 3.3.3.2.5 Cooling. Unless otherwise spec
44、ified (see 6.2), all components not mounted in the generator airstream shall be cooled by natural convection. Only those components which require forced air-cooling shall be mounted in the air- stream. Equipment mounted in the airstream shall be designed with creepage and clearance distances as defi
45、ned in table IV of MIL-E-917. 3.3.3.3 Resistors. capacitors and rheostats. Resistors, capacitors and rheostats shall be selected and applied in accordance with MIL-E-917. 3.3.3.4 Transformer application. Separate current, potential, and combi- nation transformers shall be used with each regulator-ex
46、citer system and no other burden shall be placed on the transformers. Transformers shall be ungrounded. 3.3.3.4.1 Power transformers. Current, potential, or combination trans- formers used to provide generator field current shall be in accordance with type SA of MIL-T-16315 and shall conform to the
47、materials and methods of manufacture of MIL-E-917 except that allowable temperature limits shall be as specified in table I. 6 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-TABLE I. Maximum Dermissibir te-; r.ra:ure (“C) - (continuous rated load).
48、Name of part L/ Coils Measured by thermocouples or thermometers Measured by resistance Cores and mechanical parts adjacent to insulation Capacitors - air within 1/2 inch of case: Rectifiers: Rheostats and resistors: Bare resistor material Resistor embedding material Bolted connection and terminal st
49、uds: Not plated Silver plated Contact : Solid Solid silver faced Insulation class A B C H 90 100 90 110 135 170 120 145 190 110 135 170 All classes 85 2/ 42 5 350 100 115 120 130 - 1/ Where no measurement method is indicated, thermometer or thermocouple method shall be used. - 2/ Silicon rectifiers, voltage reference elements, voltage regulator elements and transistors-permissible temperature rise on these parts is dependent upon operating conditions. Maximum permi
