1、Comments, suggestions, or questions on this document should be addressed to U.S. Army Tank-automotive and Armaments Command, ATTN: RDTA-EN/DM/STND, MS# 268, 6501 E. 11 Mile Road, Warren, MI 48397-5000 or emailed to DAMI_STANDARDIZATIONconus.army.mil. Since contact information can change, you may wan
2、t to verify the currency of this address information using the ASSIST Online database at http:/assist.daps.dla.mil. ASMC N/A FSC 2920 INCH-POUND MIL-DTL-62187C 29 September 2009 SUPERSEDING MIL-DTL-62187B 6 January 1999 DETAIL SPECIFICATION REGULATOR, 650 AMP, SOLID STATE This specification is appro
3、ved for use by all Departments and Agencies of the Department of Defense. 1. SCOPE 1.1 Scope. This specification covers a solid state voltage regulator for use in engine driven military ground vehicles. 2. APPLICABLE DOCUMENTS 2.1 General. The documents listed in this section are specified in sectio
4、ns 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 users are cautioned that they must meet
5、 all specified requirement documents cited in sections 3 and 4 of this specification, whether or not they are listed. 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
6、herein. Unless otherwise specified, the issues of these documents are those cited in the solicitation or contract (see 6.2). Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-62187C 2 SPECIFICATIONS DEPARTMENT OF DEFENSE SPECIFICATIONS MIL-DTL-
7、62186 - Generator, Alternating Current (650 Ampere Rectified), 28 Volts Direct Current (Oil Cooled) STANDARDS DEPARTMENT OF DEFENSE STANDARDS MIL-STD-461 - Requirements for the Control of Electromagnetic Interference Characteristics of Subsystems and Equipment (See 4.2.1) MIL-STD-810 - Environmental
8、 Test Methods and Engineering Guidelines (See 4.2.1) (Unless otherwise indicated, copies of the above specifications, standards, and handbooks are available from the Document Automation and Production Service, Building 4/D, 700 Robbins Avenue, Philadelphia, PA 19111-5094 or website: http:/assist.dap
9、s.dla.mil/quicksearch/.) 2.2.2 Other Government documents, drawings, and publications. The following other Government documents, drawings, and publications form a part of this document to the extent specified herein. Unless otherwise specified, the issues of these documents are those cited in the so
10、licitation or contract (see 6.2). DRAWINGS ARMY 11655469 - Generator AC/DC (Oil Cooled) 12354334 - Regulator, Solid State. (Copies of these drawings are available from the U.S. Army Tank-automotive and Armaments Command, RDTA-EN, 6501 E. 11 Mile Road, Warren, MI 48397-5000.) 2.3 Non-Government publi
11、cations. The following documents form a part of this document to the extent specified herein. Unless otherwise specified, the issues of these documents are those cited in the solicitation or contract (see 6.2). Provided by IHSNot for ResaleNo reproduction or networking permitted without license from
12、 IHS-,-,-MIL-DTL-62187C 3 GENERAL MOTORS CORPORATION (GM) GM 9540P - Accelerated Corrosion Test. (Copies of GM publications may be obtained from General Motors Corporation, c/o Global Engineering, 15 Inverness Way, Englewood, CO 80112 or at website: http:/ 2.4 Order of precedence. Unless otherwise n
13、oted herein or in the contract, 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. RE
14、QUIREMENTS 3.1 First article. When specified (see 6.2 and 6.3), a sample shall be subjected to first article inspection in accordance with 4.1.1. 3.2 Design, materials, and manufacturing processes. The design, materials, and manufacturing process shall conform to Drawing 12354334. 3.2.1 Recycled, re
15、covered, or environmentally preferable materials. Recycled, recovered, or environmentally preferable materials should be used to the maximum extent possible provided that the material meets or exceeds the operational and maintenance requirements, and promotes economically advantageous life cycle cos
16、ts (see 6.5.1). 3.3 Operating requirements. All regulators shall meet the performance requirements as specified in 3.3.1 through 3.3.11 when operating on a generator-alternator conforming to MIL-DTL-62186 (see 4.4.1). 3.3.1 Voltage regulation. The regulator shall establish and maintain output voltag
17、e in accordance with figures 1 and 2, throughout the generator-alternator speed range of 2400 to 8000 revolutions per minute (rpm) (see 4.4.1.1). 3.3.2 Ripple voltage. Ripple voltage shall not exceed 4 volts (V) peak-to-peak, with output voltage at 28 V direct current (dc), throughout the generator
18、speed range of 2400 to 8000 rpm (see 4.4.1.2). 3.3.3 Overvoltage. The regulator shall deactivate the field circuit when the system voltage (Es) reaches 33.0 1.0 V. Deactivation and return to battery voltage shall be accomplished in 0.07 seconds. Reset shall be manual and shall be located on the regu
19、lator (4.4.1.3). Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-62187C 4 3.3.4 False trips. False tripping of the regulator shall not be caused by buildup, load switching, and input speed acceleration or deceleration (see 4.4.1). 3.3.5 Curre
20、nt limit. The regulator shall limit the generator-alternator output current in accordance with figure 3. Stable current limiting shall be established within 0.50 seconds. System voltage undershoot shall be not below 18 V (see 4.4.1.4). 3.3.6 Accessory control. The regulator shall incorporate circuit
21、ry to energize an accessory control device that closes when the generator-alternator speed is between 900 and 1100 rpm. During shutdown, this device shall open before the generator-alternator speed reaches 800 rpm. The circuitry, when energized, shall produce at least 0.25 amperes (A) at a voltage n
22、ot less than 18 V (see 4.4.1.5). 3.3.7 Fault protection. The regulator shall include circuitry that deactivates the field circuit in the event of wiring malfunctions. This circuitry shall operate only if a malfunction in any of the trip types of table I creates a condition which would damage the reg
23、ulator or associated electrical power sources. Maximum voltage and trip time limits shall be as specified in table I for the three trip types (see 4.4.1.6). TABLE I. Trip types. Trip type Generator-alternator rpm Alternator output voltage (EA) V System voltage (ES) V Time (seconds) Regulator sensing
24、 2400 35.0 35.0 1.00 Input lead 8000 35.0 35.0 0.4 Alternator positive 2400 40.0 35.0 1.00 Output lead 8000 115.0 35.0 0.4 Alternator negative 2400 40.0 35.0 1.00 Output lead 8000 115.0 35.0 0.4 3.3.8 Dielectric strength. The regulator circuit insulation to ground shall not permit a leakage current
25、greater than 5 milliamperes (mA) with 500 V alternating current (ac) simultaneously applied between all receptacle pins and the case, and with the case ground lead disconnected (see 4.4.1.7). 3.3.9 Short circuit protection. Regulator circuitry shall prevent damage to internal components in the event
26、 of a short circuit from pin “E” or “F” (see 3.4.3) to ground during normal regulator operation (see 4.4.1.8). 3.3.10 Electromagnetic interference (EMI). The regulator shall not exceed the broadband emission limits as specified in figures 4 and 5 (4.4.1.9). Provided by IHSNot for ResaleNo reproducti
27、on or networking permitted without license from IHS-,-,-MIL-DTL-62187C 5 3.3.11 Reverse polarity protection. The regulator circuit shall not be damaged in the event reverse polarity is applied to pins “A” and “C” (see 3.4.3 and 4.4.1.10). 3.4 Interface requirements. Each regulator shall accommodate
28、the inputs, interfaces, and envelope requirements as specified in 3.4.1 through 3.4.4 (see 4.4.2). 3.4.1 Envelope and mounting dimensions. The regulator shall conform to the envelope and mounting dimensions as specified on Drawing 12354334 (see 4.4.2). 3.4.2 Mating. The regulator shall mate with the
29、 shell socket insert arrangement as specified on Drawing 12354334. Contacts shall remain positively retained in the insert arrangement throughout all conditions of intended use without causing damage or compromising performance (see 4.4.2). 3.4.3 Electrical interface. Electrical connector pin design
30、ations to the utilizing vehicle shall be provided as specified in table II (see 4.4.2). TABLE II. Electrical interface. Connector pin function Connector pin designations Regulation sensing input A Current limit signal input B Ground C Generator-alternator AC signal input D Generator-alternator field
31、 control output E Accessory control device signal output F Overvoltage test circuit input G 3.4.4 Weight. The regulator shall not exceed 6 pounds (lb) (2.7 kilograms (kg) (see 4.4.2). 3.5 Support and ownership requirements. The regulator shall possess the life cycle ownership characteristics as spec
32、ified in 3.5.1 through 3.5.5 (see 4.4.3). 3.5.1 Dissimilar metals. Except where necessary to complete an electrical circuit, provisions shall be made to prevent galvanic corrosion ascribable to contact between dissimilar metals (see 4.4.3.1). 3.5.2 External surfaces. All external surfaces withstand
33、application of a 1 percent (%) salt mist for a period of at least 192 hours without corroding (see 4.4.3.2). 3.5.3 Endurance. Regulator performance shall not be compromised during and after 3000 hours of operation as specified in table III (see 4.4.3.3). Provided by IHSNot for ResaleNo reproduction
34、or networking permitted without license from IHS-,-,-MIL-DTL-62187C 6 TABLE III. Regulator endurance time schedule and conditions. 3/ Alternator resistive load Cyclic load, seconds 1/ Time, hours 2/ RPM System voltage, volts Constant current, A Cyclic current,A Total current,A Load cycles, minutes O
35、n Off 1.5 7.5 14.5 0.5 2400 5120 3520 8000 26.5 0.75 26.5 0.75 26.5 0.75 26.5 0.75 320 320 320 650 330 330 330 0 650 650 650 650 90 450 870 30 3 3 3 - 57 57 57 - 1/ 24 hours per cycle. 2/ Alternator. 3/ System voltage shall be applied at +225 degrees Fahrenheit (F). 3.5.4 Safety. The regulator case
36、shall not pose an electrical hazard due to improper grounding (see 4.4.3.4). 3.5.5 Nameplate. A permanently and legibly marked nameplate shall be conspicuously attached to the regulator housing and shall contain, as a minimum, the following information (see 4.4.3.5): a. Regulator, solid state. b. 28
37、 volts dc. c. Army part number. d. National stock number. e. Manufacturers identification (CAGE). f. Manufacturers serial number. g. Contract number. h. Date of manufacture. i. US. 3.6 Operating environment requirements. Each regulator shall operate under the environmental conditions as specified in
38、 3.6.1 through 3.6.6 (see 4.4.4). 3.6.1 Shock. The regulator shall withstand 40 gravity units (g) of sawtooth shock pulses in accordance with figure 6 for an 18 3 millisecond (ms) duration in each of the major mutually perpendicular axes without damage (see 4.4.4.1). 3.6.2 Vibration. The regulator s
39、hall withstand a maximum input vibration as specified in figures 7 and 8 in each of three mutually perpendicular axes without damage (see 4.4.4.2). Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-62187C 7 3.6.3 Waterproofness. When submerged
40、in salt water, the regulator shall withstand 10 pounds per square inch gage (psig) (69 kilopascals (kPa) internal pressure and internal vacuum without leaking (see 4.4.4.3). 3.6.4 Extreme temperature. The regulator shall operate at ambient temperatures in the range of -65 to 225F (-54 to 107C) witho
41、ut a compromise in performance. The range of regulated voltage over the total operational temperature range shall conform to figure 2 (see 4.4.4.4). 3.6.5 Humidity. The regulator shall show no visible damage, corrosion, or swelling, nor sustain a loss in performance due to exposure to 5 continuous 4
42、8 hour humidity cycles in accordance with figure 9 (see 4.4.4.5). 3.6.6 Fungus. The regulator shall operate in environments conducive to spore germination and growth (air temperature between 75 to 88 degrees Fahrenheit (F) (24 to 31 degrees Celsius (C) and relative humidity between 90 to 100 percent
43、 (%) without a compromise in performance attributable to the deleterious effects of fungus (see 4.4.4.6). 4. VERIFICATION 4.1 Classification of inspections. Inspection requirements are classified as follows: a. First article inspection (see 4.1.1). b. Conformance inspection (see 4.1.2). 4.1.1 First
44、article inspection. When specified (see 6.2 and 6.3), a first article sample shall be selected in accordance with 4.1.1.1 and 4.1.1.2 and shall be subject to all of the comprehensive verifications as specified in table IV. 4.1.1.1 Preproduction inspection. When specified (see 6.2 and 6.3), a preprod
45、uction sample shall consist of two regulators. 4.1.1.2 Initial production inspection. Unless otherwise specified (see 6.2 and 6.3), an initial production sample shall consist of two regulators from the first ten produced. 4.1.2 Conformance inspection. As specified in the contract (see 6.2 and 6.4),
46、a 100% conformance inspection shall be conducted and shall include the following verifications: All the abbreviated tests, and the accessory control, dielectric strength, short circuit protection, reverse polarity, safety, and waterproofness verifications, as specified in table IV. Provided by IHSNo
47、t for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-62187C 8 TABLE IV. Verification methods. Title Require-ment Verifi-cation 1/ Title Require-ment Verifi-caiton 1/ Operating requirements 3.3 4.4.1 Mating 3.4.2 4.4.2 Voltage regulation 3.3.1 4.4.1.1, Electrical i
48、nterface 3.4.3 4.4.2 *4.4.1.1.1 Weight 3.4.4 4.4.2 Ripple voltage 3.3.2 4.4.1.2, Support and ownership 3.5 4.4.3 *4.4.1.2.1 requirements Overvoltage 3.3.3 4.4.1.3 Dissimilar metals 3.5.1 4.4.3.1 *4.4.1.3.1 External surfaces 3.5.2 4.4.3.2 False trips 3.3.4 4.4.1 Endurance 3.5.3 4.4.3.3 Current limit
49、3.3.5 4.4.1.4, Safety 3.5.4 4.4.3.4 *4.4.1.4.1 Nameplate 3.5.5 4.4.3.5 Accessory control 3.3.6 4.4.1.5 Operating environment 3.6 4.4.4 Fault protection 3.3.7 4.4.1.6, requirements *4.4.1.6.1 Shock 3.6.1 4.4.4.1 Dielectric strength 3.3.8 4.4.1.7 Vibration 3.6.2 4.4.4.2 Short circuit protection 3.3.9 4.4.1.8 Waterproofness 3.6.3 4.4.4.3 EMI
