1、b- rS-03 MIL-P-5 569 5 ( n-l) iL April 1970 . c c. MILITAFU SPECIFICATION . POWER SUPPLY. PP-4763( )/GRC i. SCOPE 1 - This document covers a power supply designated for a nominal 28 volt do, 50 ampere continuous output, suitable for operating an AN/GRC-106 Radio Set. (See 6.1 and 6.4) 2. APPLICABLE
2、DOC-S 2.1 The following documents of the issue in eBct on date of invitation for bids or requests for proposal, form a part of this specification to the extent specified herein. SPECIE CATIONS FEDERAL QQ-P-416 QQ-8-781 . TT-EL529 . TT-P-636 PPP-B-58 5 PPP-B-6 21 PPP-B-636 PPP-F-3 20 PPP-B-601 PPP-T-
3、97 MILITARY MIL-P-I I6 MIL-B-131 MIL-T-I 52 SY Plating, Cadmium (Electrodeposited) Steel Strapping, Flat Enamel, Alkyd, Semi-gloss Primer coating, Synthe,tic, Wood and Ferrous . Box, Wood, Wirebound Box, Wood, Cleated-Plywood Box, Wood, Nailed and Lockcorner Box, Fiberboard Fiberboard, Corrugated an
4、d Solid, Sheet Stock (Contalner Grade) Cut Shapes Tape Pressure sensitive Adhesive, Filament Reinforced Metal Preservation, Methods of Barrier Material, Water vapor proof, Fielcible Treatment, Moisture and Fungus-Resistant, of Communications, Electronic and Associated Electrical Equipment _._ Copyri
5、ght Communications - Electronics Command Provided by IHS under license with CRAINot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-P-55695 58 W 9997906 OLb9L20 4 MIL-V-I 73 MIL -3 -9 O I MIL-C-5541 . MIL-1-61 81 MIL-P-3585 MIL-P-i 1268 I MIL-P-13.349 m-M-I 3231 MI
6、L-POI5328 MIL-P-18177 STANDARDS FEDERAL FedSTD-59 5 MILITARY ! MIL-STD-1 O5 MILSTD-129 MIL43TD-I 47 MIL-STD-167 MIL-STD-252 MiL-ST D-4 54 MILSTD-781 MIL-STD- 78 5 MIL-STD-810 DRAWIXGS (ECOX) Varnish, Moisture-md-Furigs-resistant ( For Shock Tests, H .I. (High Impact), Shipboard Chemicsls Films and C
7、heaical Fil general. - In addition to the requirements of this specification, the requirements of MIL-P-11268, including the selection requirements therein, shall apply. (See 6.6) 3.5 Finish. - All cabinet parts of the unit shall be finished as %allows : 3.5.1 Steel parts. - All external steel parts
8、 shall be cadmium . plated per QQ-P-416 Type II, Class 2. enclosure shall remain unpainted for RFI bonding. be primed with sandwich prime zinc chromate per MIL-P-8585 and shall be finished with synthetic enamel per TT-EL529. All mating surfaces of the external Painted surfaces shall 3.5.1.1 Interior
9、 steel parts not requiring caddurn plating shall be primed with iron oxide per TT-P-6% and shall be finished with synthetic enamel per TT-E-529. 3.5.2 Aluminum parts. - All external aluminum parts shall be plated with alodine 1200 per MIL-C-5541. left unpainted for RFT bonding. Painted surfaces will
10、 be primed with sandwich prime zinc chromate per MIL-P-8585 and will be finished with synthetic enamel per TT-E-529. Ail exterior mating surfaces shall be . 3.5.2.1 Interior unplated parts will receive a wash primer pre-treat-. ment per MIL-C-15328, then primed with sandwich prime zinc chromate per
11、MIL-P-8585 and finished with synthetic eriamel per q-E-529. I 3 Copyright Communications - Electronics Command Provided by IHS under license with CRAINot for ResaleNo reproduction or networking permitted without license from IHS-,-,- MIL-P-55695 58 W 7997906 OLb7L22 B . 3.5.3 Color. - All painted.pa
12、rts shall be olive drab color No. a087 of Fedm. 595. 3.6 Marking. - 3.6.1 General. - Marking shall conform to Specification MIL-M-13231. _ - Front panel markihg shall be group I as described in-that specification. (See 4.41 3.6.2 Visibilitx. - Wherever practicable, parts shall be so mounted that the
13、ir identification markings will be readily visible with minimum disassembly of the equipment. 3.6.3 Serial numbers. - Each Power Supply PP-4763( )/GRC shall be serial numbered. 3.7 Moisture assemblies, - When required to enable and Fungus proof (MF“) treatment for equipment and overall tropicalizati
14、on treatment of equipment is the equipment to comply with the fungus requirement of -3.7.2, a moisture and fungus resistant coating of varnish conforming to MIL-V-I73 shall be applied in accordance with MIL-T-152. fuqgus resistant coating shall be applied after the equipment has been cleaned to remo
15、ve such contamina. - The cured coating shbl meet the following requirements : (a) (b) (c) (d) Coating shall be free of visible dust particles or other It shall be smooth 115 * 230 50, 60 50, 60 3.11 . 2 DC 0UtPu-b cfrrent. (See 4.7.7) - The pDwer supply shall be capable of delivering 50 amperes cont
16、inuously at 29 volts d.c. at all rated hqmt, voltagea ad frequencies andei nomal and environmental conditions specified herein, 3. I1 . 3 DS output volta_ge, (See 4.7. I) - The power supply shall have a nominal d.c. output voltage of 28 volts with ari adjustmeat range of 27 to 29 volts minimum (22 t
17、o 30 volts msximUm) by means of a screwdriver adjust- ment behind a mall access plate on the front panel. more thari 30 volts d.c. steady state. maintain a d.c. volt age regulation at its oztptit terainals of any cozmiriation of load currents and line voltages within the rated raqges. The regulation
18、 shall be accomplished by means of a pbase controlled SCR regulator. The unit shall not deliver 3.11.4 Static voltage reggiation. (See 4.7.2) - The power supply shall 0.5% against 3.11.5 . - See 4.8.5. 3.14.2.6 Vibration. - See 4.8.6. 3.14.2.7 Shock. (See 4.8.71. - After being subjected to the shock
19、 test of MIL-S-901 the power supply shall meet the output requirements of 3.11.2 and any physical damage shall be minor only. A trip off of the circuit breaker during any blow in the series of shock tests is permissible. breaker may be manualy reset to the llonll position after any blow, if trip- of
20、f occurs. The circuit 3.15 Radio frequencv interference. - The radio frequency interference 3.16 limits shall be in accardance with MIL-1-6181. Preconditioninn. - requirements herein, without subsequent processing, after stibjection to the bounce preconditioning of 4.6. (See 4.8.8) The equipment sha
21、ll be capable of meeting the (also see 4.5) 7 Copyright Communications - Electronics Command Provided by IHS under license with CRAINot for ResaleNo reproduction or networking permitted without license from IHS-,-,-b *. MIL-P-55695 58 m 7977906 OL67L26 5 m -. _. . MIL-P-55695( EL) 3.17 Reliabilitx.
22、- The reliability of the PP-4763 power supply equipments shall provide a mean-time-between-failures (NTBF) of 7500 hours. The contractor shall conduct the followihg reliability tasks in accordance dth ML-STD-781 and MIL-STD-785: Periodic Reports Reliability Demonstration Failure Data Collection 3 Pr
23、eproduction inspection. - This inspection shall consist of the inspection specified in the subsidiary documents covering the items listed in 4.4, and the inspection specified for group A, group B, and group C (See Tables II arid III respectively). shall be perfomed in the order shown in table I. The
24、 enviromeatal prepxhction inspection Table I . - Order ofPrei3roduction insDection Inspection . Req Insp . (For additional. preproduction inspection Para. Para. see 4.3) Sequence of inspection when three units are available Unit i Low Temperature High Temperature Radio frequency interference Humidit
25、y Unit 2, Salt fog 3.14.2.1 3.14.2.2 3.15 3.14.2.3 4.8.i 4.8.2 4i8.8 4.8.3 Unit 3 Dust Vibration Shock Fungus 3.14.2.4 3.14.2.6 3.14.2.7 4.804 4.8.6 4.8.7 4.8.9 4.4 Inspection covered by subsidiam documents. - The following shall be inspected under the applicable subsidiary documents as part of the
26、inspec- tion of eqdpmert before prepration for delivery. - Item Where required Finish 3.5 Printed circuit boards 3.8 Marking 3.6 9 /- Copyright Communications - Electronics Command Provided by IHS under license with CRAINot for ResaleNo reproduction or networking permitted without license from IHS-,
27、-,-MIL-P-55695 58 9999906 0369328 9 _. 4.5 Quality confornsnce inspecti% of eqnipment before preparation for Each unit of each lot of eqttipment shall be subjected to bounce delivery. - preconditioning ( see 3.16) prior to inspection. the inspection specified in 4.4 and 4.5.1 through 4.5.3.3. Irliev
28、e the contractor of his respmsibility for-performing any additional inspection whim is necessary to control the qunlity of the prodact and to assure cornpliame dth all specification rsquirenents. requirement as a rsstllt of bo-ance preconditioning shall be classifisd 3s a dfect and recorded as slich
29、. contractors inspection procedures and examine the contractors inspction records-. or any part of the specified inspection, toverify the contractors compliance with specified requirements. inspection shall be made available by the contractor. The contractor shall psrfom This does not . Failure to m
30、eet any - - - The Governmexlt will review and evaluate the In addition the Government-at its discrrtion- may perform al1 Test equipment for Government verification 4.5.1 Grow A Inspection. - Each unit of- each lot of equipment shall . Each lot wLl.be subject to verification, utilizing the procsd- Gr
31、oup A inspection shall be performed in any order be inspected for conformance to all the insprction and test requireaieats of . Table II. ures of MIL-STD-105, using the general inspection levels and the AQLls indicated in Table II. test shall be performed first prior to perfoniing any electrical tes
32、ts. which is satisfactory to the Government except that the Insulation Resistance (-1 - .- _ 6- .,I _.- .- .C Copyright Communications - Electronics Command Provided by IHS under license with CRAINot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-P-55675 54 777970
33、6 OL69L27 O = 4.5.3 Grow C inspection; - This ins2eztioa shsll consist of the tests specified in Table III and snall be perfomed on sa-qfie units that have been subjected to and met Groups A and 3 inspectio.n. selected in accordmce with paragraph 4.5.3.1 and shall be subjected to the, tests in the o
34、rder listed. Sample mits shall be Inspection Req. Para. . Insp. Para. Group I . Low Teaperature High Tenpera ture Hunidity GOR II Salt fog Group III Dust Vibration Shock Fungus 3.14.2.5 3.14.2.4 . 3.14.2.6 3.14.2.7 3.7.2 4.8.7 4.8.2 4.8.3 . 4.8.5 4.8.4 4.8.6. 4.8.7 - 4.8.9 Radio frequency interferen
35、ce 3.15. 4.8.8 (Not required when conducted on First Article ad test report is included with the preprodaction test report, unless othervise spctcified. . 4.5.3.1 Group C s.mrAinq. - For the initial groap C tests, one sample for each group (4 ssrnples total) shall Se selected at random from the firs
36、t 25 units produced a+d s-abjected to the inspsstiois listed in Table III. Thereafter, oae stuiple each for Groups I, II, III (3 samples total) shall be selected from each 250 units, or fraction thereof pzodclced aad subjected to the inspectiois for those groap as listed in Table III. No slibsequznt
37、 inspection for the test in Group IV will Se required. 4.5.3.2 Noncompliance. - The contractor shall immediately report in writing each group C failursoccurrence, including details of the failure and characteristics affec+,ed. The contracta? shall imedisteljr investigate the cause of failure pgle un
38、its shill activity designa5ed in the contract throqgh the Qusllity Asswmce Representz- tive. be sabjeste? to group C inspection (ali inspections, or the inspections w5ioh the sample failed, at the option of the Government) and groups A and B inspection may be reinstituted; however, final acceptance
39、and snipneilf will be withheld.unti.1 the group C re.inspsctio;? results have shown that the corrective action was effective. - - - _ _ - _ _- . _- -_ - 4.5.3.3 Reinspection of co.?fomLne: group B md C sample units. - Unlessotherwise specified, sample units which have beea subjected to and passed gr
40、oup B aad group C inspection may be accepted on the contract or order provided all damage is repaired aad the sampkunits are resubjected to and pass groilp -4 inspection. . 4.6 Botlrca PCeconditioninP, - The mit, with shock mounts (if any) removed or blocked, shall be placed in its nomal operatioil
41、position on the table of the Package Tester, Type lOOO-SC, as mads by the L.A.B. Corporation, Skaneatales, New York, or equal. The package tester, shafts in phass, shall have a speed such that it is just possible to insert a 1/32-inch-thick strip of material mider one coraer or edge of the uriit to
42、a distaxe of three (3) inches as the unit bounces. The unit shall be subjscked to this precondi- tioning for one (1) minute. After Souice preconditioning, the unit shall not be repaired, allned, cleaned, or otherwise changed pior to subjection to inspection. (see 3.16) . 4.7 Electrical tests. - 4.7.
43、1 AC-IInput md DC: output_. - The output voltage shall meet the requirement of 3.11.1, 3.11.2 ad 3.11.3 full load, when the input voltage wd frequency is varied as specified in Table IV: Table IV - Inrut test conditions Input Voltase ronic voltmeter. the f ollosring f oriIIu1a: % Voltage rip?l,e = A
44、.C, ripple voltage (RMS) x 100 D.C. output voltage 4.7.5 Insulstion Resistance FSee 3.11.7). - The following procedure shall Se followed to detedqe cornpliame with 3.11.7. . (a) (b) Short out all seniconductors. (c) together and to ground. (d) (e) Remove Plug-in module P/C 101. Using jumper leads, c
45、onnect the secondary leads from TI Come thus shutting off the test item, The short shall then be removed and the test item operated for five (5) Mnutes. power input with the input canrent required to activate the main circuit breaker not to exceed fifteen (1 5) amps. A veiable load , The power suppl
46、y The The proceeding test shall be repeated using a 230 VAC, 60 HZ 4.7.6.2 Outbut Overvoltage Test (See 3.13.21 (a) (b) (c) (d) This test is performed with no output load. Connect a jumper lead (1418 wire or larger) across SCR-1. Increase the a.c. line voltage from O volts until the . power supply b
47、reaker trips off. Record supply output voltage at point of breaker trip off. This voltage shall not be less than 34 or greater than 35 volts. . 4.8 Temperature test; 4.8.1 Low Temperature (See 3.14.2.1) - The equipment shall be tested in accordance with Method 502, Procedure I, of MIL-STD-810. The s
48、torage temperature shall be - 800F and the operating temperature shall be - 40F. maintained until temperature stabilization of the test item is reached, but not to exceed 24. hours. extreme not to exceed 72 hours. Exposure at the low storage teaperature extreme shall be Ekposure at the low operathg
49、temperature Prior to testing, the equipment shall meet . specification performance for the measurese?lts specified in 3,14.2. 4.8.2 High Temperature(See 3.11.2.21. - The equipment shall be tested in accordmce with Method 501, Procedure 2 of MIL-STD-870. following additions and modifications apply and will govern daring the High Teapsrature tests, The Step 6: Step 7: . Step 8: Repeat steps 3, 4 and location of the mating parts on the plug
