1、 MIcP-8250A (OS) 9 Aug 1971 Superseding MIL-P-82500 (OS) t. 7 August 1967 MILITARY SPECIFICATION POWER SUPPLY, RECTIFIER (For Torpedo Mark 37 Mods 2 and 3) This specification has been approved by the Naval Ordnance Systems Command, Department of the Navy 1. SCOPE 1.1 Scope. This specification descri
2、bes the require- ments for the procurement, inspection, and test of a rec- tifier power supply, NAVORD LD 162564. 2. APPLICABLE DOCUMENTS 2.1 The following documents of the issue in effect on the date of invitation for bids, or request for proposals, form a part of this specification to the extent s
3、pecified herein. SPECIFICATIONS Military M IL-P- 11 6 M IL-C-24308 STANDARDS Preservation, Methods for Connectors, Electric (Part Num- ber BI 243 08 /3 - 2 ) and M24308 / 1-2 ) Environmental Requirements and Tests (For Torpedo Mk 37 Compon- ents and Assemblies) Mil it ary M IL-STD-129 Marking for Sh
4、ipment and St!,rage MIL-STD-147 Palletized and Containerized Unit Loads, 40“ x 48“ Pallets, Skids, Runners, or Pallet-Type Base Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-P-Z500A 13 m 9977906 03li152b b W 1 - MIL-P-82500A (OS) DRAWINGS Naval
5、 Ordnance Systems Command NAVORD LD 162564 NAVORD LD 495864 Rectifier Power Supply Assembled, and All Parts and Subassemblies Listed Thereon Shipping (Packing) Con- dition for One Rectifier Power Supply Assembled NAVORD Dwg 738826 Schematic Wiring Diagram PUBL I CAT I ONS Kaval Ordnance Systems Comm
6、and NAVORD OS 6341 Description and Require- ments for Miscellaneous General Ordnance Design Requirements (Copies of specifications, standards, drawings and pub- lications requested by contractors in connection with speci- fic procurement functions should be obtained from the pro- curing activity or
7、as directed 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 proposals shall apply. NATIONAL BUREAU OF STANDARDS
8、 PUBLICATIONS Handbook H28 Screw-Thread Standards for Federal Services (Application for copies should be addressed to the Super- intendent of Documents, Government Printing Office, Washing- ton, D. C. 20402.) 3. REQUIREMENTS 3.1 Description. The rectifier power supply is a de- vice which produces va
9、rious low power level dc voltages for 2 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-P-82300A (OS) use by the torpedo dynamic control circuits. Rectifier power supply input power is taken from the torpedo 115-volt root-mean-square (rms),three
10、phase, 400 Hertz (Hz) ac sup- ply. The rectifier power supply consists of a three- phase transformer, .the secondary windings of which feed separate silicon rectifier banks andtheir associated filter circuits. arate ungrounded sections. One section provides plus 300 volts dc and plus 150 volts dc an
11、d the other section pro- vides plus 150 volts dc and minus 90 volts dc. The output voltages are furnished in two sep- 3.2 General requirements 3.2.1 Data required, No data is required by this speci- fication (other than reports accompanying samples submitted for preproduction and periodic production
12、 testing), or by applicable documents referenced in Section 2, unless speci- fied in the contract or order (see 6.2). 3.2.2 Preproduction sample. Unless otherwise speci- fied in the contract or order, rwemoduction samDles of the rectifier power supply shali be manufactured* using the methods and pro
13、cedures proposed for the production lot. These units shall be tested as specified in Section 4 here- in aiid are for the purpose of determining, prior to start- ing production, that the contractors production methods are capable of producing rectifier power supplies that com- ply with the technical
14、requirements of the contract. See 4.3.1. 3.2.3 Materials. Unless otherwise specified in the con- tract, requisition or order, all materials and purchased parts entering into the final assembly of the rectifier power supply shall conform strictly to the detailed reauirements _. indicated on the drawi
15、ngs and specifications lisied in LD 162564. 3.2.4 Finishes, coatings, construction, and dimen- sioiis. The finishes, coatings, construction, and dimen- sions for the rectifier power supply shall be strictly in publications listed in LD 162564. . accordance with applicable drawings, specifications an
16、d 3.2.5 Moisture! fungus, and corrosion. The recti- fier power supply shall be rendered moisture, fungus, and corrosion resistant in accordance with detail requirements on the drawings and specifications listed in OS 6341. 3.2.6 Marking. The marking of assemblies, subassem- blies, and parts shall be
17、 in accordance with the applicable drawings listed in LD 162564. i 3 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-P-82500A 13 m 977GOb 03b1528 T W I L- P-82 5 O0 A (OS ) 3.2.7 Threads, Unless otherwise specified, all threads shall be in accord
18、ance with National Bureau of Standards Handbook H28. fied on the applicable drawings. The class or fit for threads shall be as speci- 3.2.8 Conflicting requirements. Conflicting require- ments arising between this specification or any specifi- cations, publications, or drawings listed herein shall b
19、e referred in writing to the procuring agency or the appointed agent for interpretation, clarification, and resolution (or correction). 3.3 Performance and product characteristics. The rec- t ifier pow:t eris t ics and meet the performance requirements given below: 3.3.1 Input 3.3.1.1 Voltage. Three
20、 phase, 115 volts plus or minus 1 volt rms line-to-line average with the difference between any two line-to-line voltages not exceeding 2.5 volts rms. 3.3.1.2 Frequency. 400 Hz plus or minus 2 percent. 3.3.1.3 Current. 0.42 ampere rms per line maximum. 3.3.2 Output. The rectifier power supply shall
21、have a total of four output circuits. The output circuits shall be contained within two mutually isolated output sections. 3.3.2.1 Section 1. Section 1 shall consist of two dc circuits, the characteristics of which are specified below. The negative terminal shall be common to both circuits. 3.3.2.1.
22、1 300 volt dc circuit 3.3.2.1.1.1 Output load voltage. 300 plus or minus 15 volts dc. . 3.3.2.1.1.2 Output current. 30 plus or minus 2 milliamperes (ma) dc. 3.3.2.1.1.3 Output impedance. 20 ohms maximum at 400 Hz . 3.3.2.1.1.4 AC voltage content. The ac voltage con- tent in the output load voltage i
23、n a frequency band from 390 Hz to 150 kiloHertz (kHz) per second shall not exceed 3 x lom3 volts rms. 4 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-P-82500A 13 m 9999906 0363527 L mi MIL-P-82500A (OS) 3.3.2.1.2 150 volt dc circuit- 3.3.2.1.2.
24、1 Output voltage. 150 plus or minus 7.5 volts dc. 3.3.2.1.2.2 Output current. 80 plus or minus 4 ma, dc. 3.3.2.1.2.3 Output impedance. 100 ohms maximum at 400 Hz. 3.3.2.1.2.4 AC voltage content. The ac voltage content in the output load voltage in a frequencz band from 390 Hz to 150 kHz shall not ex
25、ceed 50 x 10 volts rms . 3.3.2.1.2.5 Arc suppressor. An arc suppressor shall Design be connected between the positive 150 volt dc line and a terminal on the rectifier power supply receptacle. of the arc suppressor and its connection within the rec- tifier power supply shall be as specified on Drawin
26、g 738826. 3.3.2.2 Section 2. Section 2 shall consist of two dc circuits, the characteristics of which are specified below. The negative terminal of 3.3.2.2.1 shall be common with the positive terminal of 3.3.2.2.2, 3.3.2.2.1 150-volt dc circuit 3.3.2.2.1.1 Open circuit output voltage, 165-volts dc m
27、aximum. 3.3.2.2.1.2 Output load voltage. 150 plus or minus 1 volt dc. 3.3.2.2.1.3 Output current, 125 plus or minus 5 ma, dc . 3.3.2.2.1.4 Output impedance. 9 ohms maximum at 60 kHz; 9 ohms maximum at I kHz; 9 ohms maximum at 1 kHz. 3.3.2.2.1.5 AC voltage content. The ac voltage con- tent in the out
28、put load voltage with the output or load current adjusted to 90 plus or minus 5 ma shall not ex- ceed the following: 5 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-P-82500A 33 m 9997906 0363530 ml MIL-P-82500A (OS) 390 Hz to 150 kHz: 0.2 volt
29、rms. 0.9 to 1.1 kHz: 2.0 x lom3 volts rms. 6 to 8 kHz: 0.2 x lom3 volts rms. 3.3.2.2.2 90-volt dc circuit 3.3.2.2.2.1 Open circuit output voltage. 105 volts dc maximum. 3.3.2.2.2.2 Output load voltage. 90 plus or minus 10 volts dc. 3.3.2.2.2.3 ma dc. Output current, 1.5 plus or minus 0.1 3.3.2.2.2.4
30、 Output impedance. 100 ohms maximum at 60 kHz, 3.3.2.2.2.5 AC voltage content. The ac voltage content in the open circuit voltage shall not exceed the following: I 390 Hz to 150 IdIz: 2.0 yolts rms. 55 to 65 kHz: 2.0 x 10- volts rms. 3.3.2.2.2.6 Energy absorption. The 90-volt dc circuit shall be cap
31、able of absorbing 80 plus or minus 5 milliwatt- seconds of energy during 33 plus or minus 3 miniseconds (ms) periods. The absorption periods shall occur at a rate of one period every 1250 plus or minus 8 ms. The output load voltage shall not change more than 40 volts during any ab- sorption period.
32、3.3.3 Insulation requirements 3.3.,3.1 Dielectric requirements. The rectifier power supply shall be capable of withstanding 1000 volts rms at 60 Hz for one minute, applied between the following points without any arcing or breakdown a insulation. Prior to applying test voltages, each of the 14 recti
33、fiers is to be shorted by means of jumper cables. Capacitors shall not bewired in during dielectric tests. 3,3.3.1.1 Transformer primary. Between all H terminals of the transformer simultaneously and the chassis with all pins of the male connector MIL-Ci24308 (3-2), except those connected to the tra
34、nsformer primary windings, grounded to the rectifier power supply chassis. 3.3.3.1.2 Section 1. Between all terminals of Section 1 and the chassis, with all pins of the male connector MIL-C- 6 . . . . - . - . Provided by IHSNot for ResaleNo reproduction or networking permitted without license from I
35、HS-,-,- NIL-P-82500A 33 E 7777906 0363533 T = bf IL-P- 82 500A (OS) 24308(3-2) except those connected to the circuits of Section i simultaneously grounded to the rectifier power supply chassis. 3.3.3.1.3 Section 2. etweenall terminals of Section 2 and the chassis, with all pins of the male connector
36、 MIL-C-243 (3-2) except those connected to the circuits of Section 2 simul- taneously grounded to the rectifier“ power supply chassis, 3.3.3.2 Insulation resistance. The rectifier power sup- ply shall have a minimum of 30 megohms resistance at applicable dc between the following points: 3.3.3.2.1 Se
37、ction 1. Between all terminals of Section 1 simultaneously and the chassis, with all terminals of Sec- tion 2 grounded to the rectifier power supply chassis. Test voltage is 400 vdc. 3.3.3.2.2 Section 2. Between all terminals of Section 2 simultaneously and the chassis, with all terminals of Sec- ti
38、on 1 grounded to the rectifier power supply chassis. Test voltage is 200 vdc. 3.3.4 Operating time. The rectifier power supply shall be capable of operating under full load continuously for a per- iod of 85 plus or minus 5 minutes, followed by sufficient time for the unit to cool to ambient temperat
39、ure bef.ore operating again, 3.3.5 Operating life. The rectifier power supply shall have a useful operating-life of at least %O0 hours. During the life of the rectifier power supply, maintenance shall not be permitted. 3.3.6 Warm-up time. The output voltage and ac voltage content of the output volta
40、ge shall be within the limits spec- ified herein no later than 30 seconds after application of in- put voltage and output load. 34 Environmental requirements. The rectifier power sup- ply shall meet the other applicable requirements ofthis spec- . ification during or after the tests defined or speci
41、fied in 4.5. 3.4.1 Vibration. The rectifier power supply shall meet the following vibration requirements: 7 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-P-82500A (OS) 3.4.1.1 Vibration, nonoperating. The rectifier power sup- ply shall show no
42、damage and shall meet all the performance re- quirements and product characteristics of this specification after being tested as in 4.5.1.2. 3.4.1,2 Vibration, operating. The rectifier power supply shall show no damage and shall meet all the performance require- ments and product characteristics of
43、this specification during and after the test specified in 4.5.1.3. 3.4.2 Temperature and humiditx 3.4.2.1 High temperature and humidity, nonoperating. The rectifier power supply shall show no damage and shall meet all the performance requirements and product characteristics of this specification aft
44、er being tested as in 4.5.2.1. 3.4.2.2 High temperature, operating. The rectifier power supply shall be capable of meeting all the performance require- ments of this specification while undergoing the test specified in 4.5.2.2. 3.4.2.3 Low temperature, nonoperating. The power supply shall meet all t
45、he performance requirements and product char- acteristics of this specification after being tested as in 4.5,2.3. 3.4.2.4 Low temperature, operating. The rectifier power supply shall be capable of meeting all the performance require- ments of this Specification while undergoing the test specified in
46、 4.5.2.4. 8 r- ., . - . . - -. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-P-825OA (OS) 3.5 Cleanup. Prior to and after final assembly, all parts, components and the assembly shall be thoroughly cleaned of loose, spattered or excess solder, m
47、etal chips, and other foreign matter. All burrs, sharp edges, and rosin flash shall be removed. 3.6 WorkmanshiE. The equipment, including all parts and accessories shall be constructed and finished in a manner to ensure compliance with all requirements of this specification. Particular attention sha
48、ll be paid to . neatness and thoroughness of soldering, wiring, impreg- nation of coils, marking of parts and assemblies, plating, riveting, machine screw a.ssmbia Points 1, 2, 3, 4, and 7. Cable No. 2; Points 10, 11, and 12. Cable No. 3; Points 13, 14, 15, 16, and 19. No arcing or breakdown of insu
49、lation shall occur. Replace all capacitors after this test. 4.4.5.2.2 Insulation resistance. Measure the in- sulation resistance of the rectifier power supply as speci- fied in 3.3.3.2. The insulation resistance shall be not less than the minimum value specified in 3.3.3.2. specified in 4.4.4 into the rectifier power supply recep- tacle. Set both dummy load rheostats to their highest resistance s
