1、I INCH-POUND I O1 Apr 2000 SUPERSEDING 10 Jul 1978 MIL-DTL-38195D MIL-G-38195C DETAIL SPECIFICATION GENERATOR SET, GAS TURBINE ENGINE, 60 kW 400 Hz, GENERAL PURPOSE MIL-DTL-3 8 195D remains inactive for new design and is no longer used, except for replacement purposes. This specification is approved
2、 for use by all Departments and Agencies of the Department of Defense. 1. SCOPE 1.1 This specification covers general requirements for a general purpose, tactical generator set (herein after termed “set”), rated to 60 Kilowatts (kW) direct current (DC) and 60 kW at 400-Hertz (Hz) alternating current
3、 (AC). The set will include a wheel-mounted, towable, gas turbine engine-driven, Model MEP-356A (Air Force Model A/M32A-60A). 1.2 Classification. The generator set will have the rated outputs of the type and description as specified: CLAS SIFICATION TYPE DESCRIPTION Type 1 Pneumatic power (bleed air
4、) 147 pounds per minute (lbdmin) at 48 pounds per square inch (psi) Type II AC 3 phase, 4-wire, 120 Volt (V) line-to-neutral and 208 V line-to-line (120/208 V), 60 kW, 0.8 power factor (PF) (lagging) Type III DC 200 Amperes (A) at 28 Volts 2. APPLICABLE DOCUMENTS 2.1 General. The documents listed in
5、 this section are specified in sections 3 and 4 of this specification. This section does not include documents cited in other sections of this specification or recommended for additional information or as examples. While every effort has been made to ensure the completeness of this list, document us
6、ers are cautioned that they must meet all specified requirements documents cited in sections 3 and 4 of this specification, whether or not they are listed. Beneficial comments (recommendations, additions, deletions) and any pertinent data which may be of use in improving this document should be addr
7、essed to: WR-ALC/TILCC, 420 Second Street Suite 100, Robins AFB, GA 3 1098-1640 by using the Standardization Document Improvement Proposal (DD Form 1426) appearing at the end of this document or by letter. AMSC N/A FSC 6115 Provided by IHSNot for ResaleNo reproduction or networking permitted without
8、 license from IHS-,-,-MIL-DTL-38195D 2.2 Government documents. 2.2.1 Specifications, standards, and handbooks. The following specifications, standards, and handbooks form a part of this document to the extent specified herein. Unless otherwise specified, the issues of these documents are those liste
9、d in the issue of the Department of Defense Index for Specifications and Standards (DODISS) and supplement thereto, cited in the solicitation (see 6.2). SPECIFICATIONS DEPARTMENT OF DEFENSE MIL-PRF-2 105 Lubricating Oil, Gear, Multipurpose (METRIC) MIL-DTL-5624 Turbine Fuel, Aviation, Grades JP-4, J
10、P-5, and JP-5/JP-8 ST MIL-PRF-7 80 8 Lubricating Oil, Aircraft Turbine Engine, Synthetic Base MIL-P- 86 86 Power Units, Aircraft Auxiliary, Gas-Turbine-Type, General Specification for MIL-PRF-23 699 Lubricating Oil, Aircraft Turbine Engine, Synthetic Base, NATO Code MIL-V-38398 (AW Number 0-156 Valv
11、e, Starter Control, Pneumatic Aircraft Engine, General Specification for STANDARDS DEPARTMENT OF DEFENSE MIL-STD-130 MIL-STD-46 1 MIL-STD-705 MIL-STD- 1474 Noise Limits MS90328 Identification Marking of US. Military Property Requirements for the Control of Electromagnetic Interference Characteristic
12、s of Subsystems and Equipment Generator Sets, Engine Driven Methods of Tests and Instructions Cable Assembly External Electric Power, Aircraft 15/200 Volt, 400 Hertz HANDBOOKS DEPARTMENT OF DEFENSE MIL-HDBK-454 General Guidelines for Electronic Equipment MIL-HDBK-470 Designing and Developing Maintai
13、nable Products and Systems, Volume I and Volume II MIL-HDBK-78 1 Reliability Test Methods, Plans, and Environments for Engineering, Development Qualification, and Production MIL-HDBK- 1473 Color and Marking of Army Materiel MIL-HDBK- 179 1 Designing for Internal Aerial Delivery in Fixed Wing Aircraf
14、t (Unless otherwise indicated, copies of the above specifications, standards, and handbooks are available from the Defense Automated Printing Service (DAPS), 700 Robbins Ave, Building 4D, Philadelphia, PA 191 11-5094, phone (2 15) 697-2 197 or DSN 442-5 164.) 2.3 Non-Government publications. The fol
15、lowing document forms a part of this document to the extent specified herein. Unless otherwise specified, the issues of the documents, which are DOD adopted, are those listed in the issue of the DODISS cited in the solicitation. Unless otherwise specified, the issues of documents not listed in the D
16、ODISS are the issues of the documents cited in the solicitation (see 6.2). AMERICAN NATIONAL STANDARDS INSTITUTE (ANSI) ANSI S 1.4 Meters, Sound Level, Specification for 2 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-38195D ANSI S1.ll Octa
17、ve-Band and Fractional-Octave-Band Analog and Digital Filters, Specification for ANSI S1.13 Sound Pressure Levels, Methods for Measurement of (Applications for copies may be addressed to the American National Standards Institute, 11 West 42nd Street, New York, NY 10036, phone (212) 642-4900 or FAX (
18、212) 398-0023) AMERICAN SOCIETY for TESTING and MATERIALS (ASTM) ASTM D9 1 O Gasolines, Aviation (Applications for copies may be addressed to the American Society for Testing and Materials, 100 Bar Harbor Drive, West Conshohocken, PA 19428-2959, phone (610) 832-9500 or FAX (610) 832-9555) AMERICAN S
19、OCIETY of MECHANICAL ENGINEERS (ASME) ASME PTC 19.5 Application, Part II of Fluid Meters: Interim Supplement on Instruments and Apparatus (Applications for copies may be addressed to the American Society of Mechanical Engineers, 345 E. 47th Street, New York, NY 10017, phone (212) 705-7722 or FAX (21
20、2) 705-7739) NATIONAL ELECTRICAL MANUFACTURERS AS SOCIATION (NEMA) NEMA MG1 Motors and Generators (Applications for copies may be addressed to the National Electrical Manufacturers Association, 1300 North 17th Street Suite 1847, Rosslyn VA 22209, phone (703) 841-3200 or FAX (703) 841-3300) SOCIETY O
21、F AUTOMOTIVE ENGINEERS SAE AS-8090 Equipment, Towed Aerospace Ground, Mobility (Applications for copies may be addressed to the Society of Automotive Engineers, 400 Commonwealth Drive, Warrendale, PA 15096-0001, phone (412) 776-4841 or FAX: (412) 776-4026) 2.4 Order of Precedence. In the event of a
22、conflict between the text of this document and the references cited herein (except for related associated specifications, specification sheets, or MS standards), the text of this document takes precedence. Nothing in this document, however, supersedes applicable laws and regulations unless a specifi
23、c exemption has been obtained. 3. REQUIREMENTS 3.1 First article. When specified (see 6.2), two generator sets shall be subjected to first article inspection (see 6.3.14 and 6.4) in accordance with (IAW) 4.3. 3.2 Materials. The contractor shall select the materials, but the materials shall be capabl
24、e of meeting all of the operational and environmental requirements specified herein. (The materials previously specified in MIL-STD-970 are recommended, but are not mandatory.) Recovered materials shall be used to the maximum extent possible. 3.3 Design and construction. The design and construction
25、of the set shall promote ease of use, ease of maintenance, and maximum reliability and maintainability (see 4.5.2 and 4.6.8). 3.3.1 Reliability. The set shall have a reliability of 425 hours meantime between failures (MTBF) (see 4.5.2 and 4.6.9). 3 Provided by IHSNot for ResaleNo reproduction or net
26、working permitted without license from IHS-,-,-MIL-DTL-38195D 3.3.2 Endurance. The set shall pass an endurance test of 1,000 hours of operation when at sea level or at equivalent atmospheric conditions (see 4.5.2 and 4.6.9). 3.4 Operational environment. Operational environment for starting, operatin
27、g, handling, and storage. 3.4.1 Starting. The set shall start (see 6.3.1) within 30 seconds as specified (see 3.9.1; 3.10.1; 3.11; 4.2; 4.4.1.2.4; 4.4.1.2.5; 4.4.1.2.7; 4.5.1; and4.5.2): a. At ambient temperatures for -20“ to +125“ F (-28.9“ to +51.7“ C) at any possible relative humidity. b. At ambi
28、ent temperatures for -65“ to +20“ F (-53.9“ to -28.9“ C) after set battery has been short- circuited for not more than 1 O minutes. c. With 4 inches of rain per hour impinging on the set at angles from the vertical up to 45 degrees, from all compass-point directions (see 4.5.2). d. With base of the
29、set in planes from level to 15 degrees from level, in all 4 directions (see 4.5.2). e. At any altitude up to an including 10,000 feet above sea level at an ambient temperature of 77“ F (25“ C) (see 4.5.2). 3.4.2 Operation. Within 20 seconds after starting, the set shall accept full load without surg
30、ing or creating an engine over-temperature condition (see 4.5.1 and Table V test 27). 3.4.2.1 Operating speed. The operating speed of the generator set shall withstand 5 minutes of continuous operation at no-load and 105 percent of rated speed without mechanical or thermal damage (see 4.2; 4.3.3; an
31、d 4.5.1). 3.4.2.2 Critical speed. The turbine-generator combination shall be free from injurious flexural vibrations and dangerous torsional critical speeds (see 6.3.4 and 6.3.7) between 5 percent below normal operating speed and over speed shutdown. 3.4.2.3 Stopping. Within 60 seconds (from idle RP
32、M) after activation of any device intended to stop the set, the RPM shall go to zero (see 4.2; 4.5.1; and 6.3.2). 3.4.3 Handling. Forklift provisions shall be required to permit the set to be lifted and transported, at the center of balance axis, without deformation or damage to the set (see 4.3.2).
33、 3.4.3.1 Rough handling. The set shall not be damaged (see 6.3.8; 6.3.9; 6.3.10; and 6.3.11) by rough handling which could be encountered during transportation (see 4.5.2; 4.6.3; 4.6.4; and 4.6.6). 3.4.4 Storage temperature and humidity. The set shall not be damaged (see 6.3.3) by storage in tempera
34、tures from -65“ to +155“ F (-53.9“ to 68.3“ C) at any relative humidity possible within that range and shall not be damaged by exposure to five consecutive 48-hour cycles as specified in MIL-STD-705, Method 71 l.ld (see 4.5.2). 3.5 Performance. 3.5.1 Electrical performance (no pneumatic output). 3.5
35、.1.1 Normal rating. The rated electrical output of the set shall be as follows: a. 60 kW at 0.8 PF, 3-phase, 4 wire, 120/208V, 400 Hz (measured at load end of power cable using a reactive load bank). 4 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
36、MIL-DTL-38195D b. 200 Ampere at 28 VDC (measured at DC output receptacle using a load bank). c. 60 kW, any combination of AC or DC. 3.5.1.2 Overload rating. The overload rating of the electrical output of the set shall be as follows (see 4.2; 4.3.3; 4.5.1 and 4.6.9.1): a. 75 kW at 0.8 PF, 3-phase, 4
37、 wire, 120/208V, 400 Hz for 5 minutes. b. 300 Ampere at 28 VDC for 5 minutes (current limits at 300 Amperes for 20 seconds minimum). c. 75 kW, any combination of AC or DC for 5 minutes. 3.5.2 Pneumatic performance. The continuous, automatically controlled, rated pneumatic output of the set at the bl
38、eed air outlet flange shall meet the minimum conditions in Table I. Airflow measurements shall be made in accordance with (IAW) the procedures specified in ASME Power Test Code 19.5; 5-1949, Part 5, Chapter 4, or by method acceptable to the procuring activity (see 3.1 1). 3.5.3 Combined pneumatic an
39、d electrical output. The set shall be rated for continuous duty at full speed and rated turbine temperature. The unit shall continuously supply the air output, as specified elsewhere in this specifica- tion without exceeding rated turbine temperature. Rated turbine temperature and b. On concentric c
40、ircles of 5 feet, 15 feet and 25 feet from the perimeter of the set at the center of each side of the set and at each corner of the set (8 measurement locations for each distance); and c. Other locations as deemed appropriate (see 4.6.2). 3.5.5.2 Sound level meter. The sound level meter used shall c
41、onform to ANSI S1.4, Type 2. The octave band filter set used shall conform to ANSI S1. 11 Type E, Class II. 5 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-38195D 3.5.5.3 Measurement Procedure. The sound measurement procedures used shall co
42、nform to ANSI S1.13, except that the microphone height shall be as specified in 3.5.5.1. 3.5.5.4 Pressure level. If the sound pressure level at any measurement location specified in 3.5.5.1 exceeds the limits of 3.5.5.1 a, b or c, a caution sign, in accordance with (IAW) current industry practices (
43、reference MIL-HDBK-1473), shall be placed on each of the four vertical sides of the set stating: “CAUTION - NOISE HAZARD HEARING PROTECTION REQUIRED WITHIN x FEET“ The distance (X) to be placed on this sign shall be the maximum distance from the generator set at which the sound pressure level does n
44、ot exceed the limits of 3.5.5.1 a, b, or c. 3.6 Transportability. The set shall meet air transportability requirements (reference MIL-HDBK- 179 1) when the set is loaded into the aircraft with longitudinal axis of the set parallel to the longitudinal axis of the aircraft (see 4.5.2 and 4.6.6). 3.7 M
45、obility. The set shall meet the general and Type II, Group C, mobility requirements of SAE AS8090 except that the cramping angle of the trailer shall be sufficient to obtain 17 ?4 feet or less turning radius. The trailer shall have four wheels with 6:OO by 9,6-ply pneumatic tires (see 4.5.2 and 4.6.
46、7). 3.8 Lubricating oils and fuels. Lubrication and fuels shall be as specified herein (see 4.3.2). 3.8.1 m. The engine lubricating oil shall conform to MIL-PRF-7808 or MIL-PRF-23699 (CAUTION - Do not mix). The drive unit lubricating oil shall conform to MIL-PRF-2105, grade 80, 3.8.2 m. The engine f
47、uel shall conform to MIL-DTL-5624 and, under emergency conditions, ASTM D910. 3.9 Engine. Except as otherwise specified herein, the engine, including all systems, components, accessories and auxiliaries shall conform to engine manufacturers specification and this specification (reference MIL-P-8686,
48、 Type IV). 3.9.1 Starting system. The set starting system shall be 24 volts DC negative ground. The turbine shall start under all conditions as specified in 3.4.1. 3.9.1.1 Battery. The set batteries shall be of the nickel-cadmium type and conform to current industry standards (reference MIL-B-8 1757
49、/9). 3.9.1.1.1 Battery charger. The battery charging circuit shall maintain the set battery in a fully charged condition and be fully compatible with the nickel-cadmium type battery (see 4.2; 4.4.1.2.10; and 4.5.1). 3.9.2 Engine safety devices. The engine shall have safety devices as specified herein. 3.9.2.1 Over-speed control. The over-speed safety device shall trip at 110 f 2 percent of rated speed, to stop the engine (see 4.2; 4.4.1.2.3; and4.5.1). 3.9.2.2 Over-temperature control. The
