ARMY MIL-DTL-62576B-1998 REGULATOR ENGINE GENERATOR.pdf

1、MIL-DTL-bZ57bB 9999906 2075442 270 m 1 INCH-POUND 1 MIL-DTL-62576B 30 SeDtember 1998 SUPERSEDING 13 March 1997 RIIL-PRF-62576A DETAIL SPECIFICATION REGULATOR, ENGINE GENERATOR This specification is approved for use by all Departments and Agencies of the Department of Defense. 1. SCOPE 1.1 Scope. Thi

2、s specification covers a solid state regulator utilizing electronic devices to regulate the voltage and current of the 28 volt (V), direct current (dc) generator (see 6.1). 1.2 Classification. The solid state regulators are of the types listed below: Type I - Regulator (Drawing 11631857), to operate

3、 with 28 V, 25 ampere (A), dc generator. Type II - Regulator, Single Current Limit (Drawing 12257823), to operate with 23 V, 300 A, dc generator. Type III - Replator, Dual Current Limit (Drawing 1 1672403), to operate with 28 V, 300 A., dc generator. Beneficial comments (recommendations, additions,

4、deletions) and any pertinent data which may be of use in improving this document should be addressed to: U.S. Army Tank-automotive and Armaments Command, ATTN: AMSTA-TR-ELBLUE, Warren, MI 48397-5000, by using the Standardization Document Improvement Proposal (DD Form 1426) appearing at the end of th

5、is document, or by letter. AMSC NIA FSC 2920 DISTRIBUTION STATEMENT A. Approved for public release; distribution is unlimited. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,- - MIL-DTL-625766 m 9999906 2075g43 107 I MIL-DTL-62576B 2. APPLICABLE DOCU

6、MENTS 2.1 General. The documents listed in 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

7、the completeness of this list, document users are cautioned that they must meet 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,

8、 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 (DoDISS) and supplement thereto, cited in the solicitation

9、 (see 6.2). SPECIFICATIONS DEPARTMENT OF DEFENSE MIL-B-11188 - Batteries, Storage: Lead-Acid. MIL-Pm-6206 1 - Generator, Engine, Accessory, 28 Volt DC, Rated Output 300 Amps. MIL-B-62346 - Battery, Storage: Lead-Acid (Low Maintenance) Type 6TL. STANDARDS DEPARTMENT OF DEFENSE MIL-STD-202 - Test Meth

10、ods for Electronic an Parts. d Electrical Component MIL-STD-462 - Measurement of Electromagnetic Interference Characteristics, Test Method for. Vehicles. (Waterproof). MIL-STD- 1275 - Characteristics of 28 V dc Electrical Systems in Military MS39061 - Switch, Toggle - SPST, SPDT, 24 Volt dc, 25 Amp

11、2 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-625766 M 9999906 2075444 043 MIL-DTL-62576B 2.2.2 Other Government documents. drawinss. and publications. The following other Government documents, drawings, and publications form a part of th

12、is document to the extent specified herein. Unless otherwise specified, the issues are those cited in the solicitation. NUCLEAR REGULATORY COMMISSION (NRC) Code of Federal Regulations (CFR) - Title 10, Parts 30 and 40. (Copies of the Code of Federal Regulations (CFR) are available fi-om the Superint

13、endent of Documents, U.S. Government Printing Office, Washin,oton, DC 20402.) DRAWINGS 7355736 - Generator, 28 V dc, 25 A. 10950808 - Generator, 28 V dc, 25 A. 1163 1857 - Regulator, Engine Generator, 28 V dc 25 A, Solid State. 1 1672403 - Voltage Regulator, Dual Current Limit, Solid State. 12257823

14、 - DC Solid State Regulator. (Copies of these drawings are available from the U.S. Army Tank-automotive and Armaments Command, ATTN: AMSTA-TR-EBLUE, Warren, MI 48397-5000.) 2.3 Non-Government publications. The following documents form a part of this document to the extent specified herein. Unless ot

15、herwise 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 DoDISS are the issues of the documents cited in the solicitation (see 6.2). AMERICAN NATIO

16、NAL STANDARDS INSTITUTE (ANSI) ANSI/SAE AS478 - Identification Marking Methods OD Adopted). (Application for copies should be addressed to American National Standards Institute, 11 West 42nd Street, New York, NY 10036.) AMERICAN SOCIETY FOR TESTING AND MATERIALS (ASTM) ASTM A123 - Standard Specifica

17、tion for Zinc (Hop Dip Galvanized) Coatings on Iron and Steel Products (AASHTO Ml 11) (DoD Adopted). 3 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-62576B ASTM A653 - Standard Specification for Sheet Steel, Zinc Coated (Galvanized) (Galvan

18、ealed) by the Hot Dip Process. ASTM A924 - Standard Specification for General Requirements for Sheet Steel, Metallic-Coated by the Hot Dip. ASTMB117 - Standard Practice for Operating Salt Spray (Fog) Apparatus OD Adopted). ASTM G21 - Standard Practice for Determining Resistance of Synthetic Polymeri

19、c Materials to Fungi OD Adopted). (Application for copies of ASTM publications may be obtained from the American Society for Testing and Materials, 100 Barr Harbor Drive, West Conshohocken, PA 19428-2959.) GENERAL MOTORS CORPORATION GM 9540P - Accelerated Corrosion Test. (Copies of GM publications m

20、ay be obtained from General Motors Corporation, c/o Global Engineering, 15 Inverness Way, Englewood, CO 801 12.) 2.4 Order of precedence. 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

21、, however, supersedes applicable laws and replations unless a specific exemption has been obtained. 3. REQLJJREMENTS 3.1 First article. When specified (see 6.2), a sample shall be subjected to first article inspection in accordance with 4.2. 3.2 Materials. Materials shall be as specified herein, and

22、 on applicable drawings, standards and specifications. When the material used is not specifically covered in any of the referenced documents, it shall withstand the temperature range encountered within the component for which it is intended for use. There shall be no change in physical or chemical p

23、roperties resulting in calibration or operation that fall outside the limits specified herein (see 4.4.3). 3.2.1 Dissimilar metals. Except where necessary to complete an electrical circuit, contact between dissimilar metals, which would encourage galvanic action, shall be avoided. 3.2.2 Finishes. Al

24、l exterior surfaces of the regulator, except for the electrical connections and mating surfaces on the mounting bracket, shall be cleaned, treated, and painted (see 4.4). 4 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-NIL-DTL-625768 m 9999906 2075

25、446 9Lb m MIL-DTL-62576B 3.2.3 Recycled, recovered. 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 promot

26、es economically advantageous life cycle costs. 3.2.3.1 Hazardous materials. Asbestos, cadmium, and radioactive materiai shall not be used in this item. Radioactive material is defined by CFR, Title 10, Parts 30 and 40, and other radioactive material in which the specific activity is greater than 0.0

27、02 microcuries per gram or the activity per item equals or exceeds 0.01 microcuries. 3.3 Design and construction. 3 3.1 Confi.gration. Configuration construction shall conform to applicable drawings specified herein (see 6.2). 3.3.2 Type I. The regulator shall be fabricated and assembled in accordan

28、ce with Drawing 1163 1857 (see 4.4 and 4.4.3). 3.3.3 Type II. The regulator shall be fabricated and assembled in accordance with Drawing 12257823 (see 4.4). 3.3.4 Type III. The regulator shall be fabricated and assembled in accordance with Drawing 1 1672403 (see 4.4). 3.3.5 Threaded surfaces. The th

29、read form, class and the number of threads per inch shall be as specified on the applicable drawings (see 4.4). 3 3.6 Mounting position. The regulator shall be designed to operate when mounted in any position and without the use of shock absorbing material or equipment (see 4.4). 3.4 Operating requi

30、rements. 3.4.1 Polarity. The regulator shall be designed to operate with a negative-grounded, electrical system and shall be internally case grounded (see 4.4). 3.4.2 Reverse current (Id. The reverse current shall be as specified in 3.4.2.1 and 3.4.2.2 when measured between regulator and batteries (

31、see 4.5.1). 3.4.2.1 Type I. IR shall be 5 milliamperes (mA) maximum. 3.4.2.2 Types II and III. IR shall be 30 mA maximum. For type III only, this requirement shall be met with pin “E of the battery connector grounded and ungrounded. 5 Provided by IHSNot for ResaleNo reproduction or networking permit

32、ted without license from IHS-,-,-MIL-DTL-62576B 3.4.3 Transient voltage. 3.4.3.1 Type I. The regulator shall meet the abnormal system requirements of MIL-STD-1275, except that the steady state voltage shall be no greater than 30 V and the transient voltage shall be no greater than 80 V (see 4.5.2.1

33、and 4.5.4). 3.4.3.2 Types II and III. The rewlator shall meet the requirements of MLL-STD-1275 (see 4.5.2.2). For type III only, this requirement shall be met with pin “E of the battery connector grounded and ungrounded. 3.4.4 Load switching. 3.4.4.1 Type I. The regulator shall meet the abnormal sys

34、tem requirements of MIL-STD-1275, except that the steady state voltage shall be no greater than 30 V, the transient voltage shall be no greater than 80 V, and the peak to peak ripple voltage shall be no greater than 5 V (see 4.5.3.1). 3.4.4.2 Types II and III. Not applicable. 3.4.5 Voltage regulatio

35、n (ER). 3.4.5.1 Type I. The regulator shall establish and maintain output voltage at 28.5 0.7 V throughout the generator speed range of 2000 to 8000 revolutions per minute (rpm) (see 4.5.4.1). 3.4.5.2 Types II and III. The regulator shall establish and maintain regulated voltage over a load range of

36、 25 to 350 A and generator speed range of 2400 to 8000 rpm as shown in figures 1 and 2. Overshoot and undershoot limits and time to re-establish and maintain regulated voltage shall conform to limits on fiawe l. The hndamental frequency of the voltage waveforms shall be greater than 100 Hertz (Hz) (

37、see 4.5.4.2 and 4.5.4.3). For type III only, this requirement shall be met with pin “E, of the battery connector ungrounded, and when grounded, the 350 A requirement is replaced with 100 A. 6 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-62

38、5766 W 9999906 2075448 799 m MIL-DTL-62576B 3.4.6 Voltage ripple. 3.4.6.1 Type I. Not applicable. 3.4.6.2 Tvpes II and III. The regulator output voltage waveform shall have the following limitations. The ac peak to peak ripple voltage shall be no more than 7 V. With batteries connected, the peak to

39、peak ripple voltage shall be no greater than 4 V, except that excursions of less than 1 millisecond (ms) may exceed 4 V (see 4.5.5). For type III only, this requirement shall be met with pin “E of the battery connector grounded and ungrounded. REGULATION LOAD RANGE (A-B) - BATTERY LOAD ONLY PRIOR (G

40、) - POINT OF LOAD DISCONNECTION TO LOAD APPLICATION (H-J) - VOLTAGE OVERSHOOT RECOVERY TIME (B) - POINT OF LOAD APPLICATION (I) - OVERSHOOT VOLTAGE (C-E) - VOLTAGE UNDERSHOOT (K-L) - BATTERY VOLTAGE AFTER RECOVERY TIME LOAD DISCONNECT (D) - UNDERSHOOT VOLTAGE (C-E) - MAX. TIME LIMIT - 0.125 SEC (F-G

41、) - REGULATED VOLTAGE (ER) (H-J) - MAX. TIME LIMIT - 0.300 SEC DURING APPLIED LOAD (STEADY STATE) FIGURE l. Voltage reglation limits 7 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-62576B 3.4.7 Current rewlation. 3.4.7.1 Tvpe I. With genera

42、tor operating at 2400 to 8000 rpm, the regulator shall maintain output current of 25 A at 28.5 2 1.5 V (see 4.5.6.1). W m 31 30 29 28 27 26 . v -100 O 1 O0 200 300 Temperature (“F) FIGURE 2. Temperature compensated voltage. 8 Provided by IHSNot for ResaleNo reproduction or networking permitted witho

43、ut license from IHS-,-,-MIL-DTL-625 76B 3.4.7.2 Types II and III (Din “Ey ungrounded). With the generator operating over the speed ranse of 2400 to 8000 rpm, the replator shall provide the following control (see 4.5.6.2 and 4.5.6.3): a. b. C. d. e. No less than 350 A shall be maintained within the v

44、oltage regulation range of 28 .*.“.A? .“ L ,.I“ ;. r 2 “.r NOLOAD I ; . FIGURE 4. Current and voltage recovery time. 11 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-6257bB m 9999906 2075453 056 MIL-DTL-62576B 3.4.10.2 Types II and III. Not

45、 applicable. 3.4.1 1 Negative voltage operation. 3.4.1 l. 1 Type I. Not applicable. 3.4.1 1.2 Types II and III. The regulator shall not be damaged by the application of negative voltage (see 4.5.10). For type III only, this requirement shall be met with pin “E” of the battery connector grounded and

46、ungrounded. 3.4.12 Field circuit. 3.4.12.1 Type I. Not applicable. 3.4.12.2 Types II and III. The regulator shall be protected against any inductive energy that may be applied as a result of opening switch SI shown in figure 5 (see 4.5.11). For type III only, this requirement shall be met with pin “

47、E of the battery connector grounded and ungrounded. 3.4.13 Reverse battery polarity. 3.4.13.1 Twe I. The regulator shall protect the generating system against damage by opening the circuit and shall prevent reversal of generator polarity (see 4.5.12). 3.4.13.2 Type II and III. Not applicable. 3.4.14

48、 Short circuit protection. 3.4.14.1 Type I. Not applicable. 3.4.14.2 Types II. Regulator circuitry shall be provided to prevent damage to internal components in the event of a short circuit from pin “D or “H” of the generator connector to ground during normal regulator operations (see 4.5.13). 3.4.1

49、4.3 Type III. Regulator circuitry shall be provided to prevent damage to internal components in the event of a short circuit from pin “D, “F”, or “H” of the generator connector to ground during normal regulator operations (see 4.5.13). This requirement shall be met with pin “E of the battery connector grounded and ungrounded. 12 Provided by IHSNot for ResaleNo reproduc