1、MILITARY SPECIFIC,ATION POWER SUPPLY, PP-1185/MR-7 1. SCOPE i. 1 This specification covers one type of electronic power upp ply, designated Power Supply, PP-1185/MRQ-7. 2. APPLICABLE DOCUMENTS 2.1 The following documents of the issue in effect on date of invitation for bids form a part of this speci
2、fication to the extent specified herein: SPECIFICATIONS Military MIL-T- 15 2 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-P- 45714 (ORD) MILT-945 Test. Equipment, for use with Electronic Equipment, General Specification MIL -E w 5 2 7 2 Enviro
3、nmental Te sting, .Aeronautical and Associated Equipment, General Specification for MIL4145703 Guided Missile and Heavy Rocket Systems; Repair Parts, Packaging of STANDARDS Military MIL-STDnl30 Identification Marking of U. S, Military Property MIL -ST D - 20 2 Test Methods for Electronic and Ele c t
4、r ical C omponen t Part s MIL 3 Insulation resistance. - Unless otherwise specified on applicable drawings, all insulation between isolated circuits, and between ungrounded circuits and ground shall have a minimum resistance of 100 megohms. 3.5 Performance characteristics. 3.5.1 Input power. CI The
5、power supply shall be capable of operating satisfactorily when supplied with an input voltage of 115 volts, ac, rms, plus or minus 1 percent, single phase, 60 cps. 3 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-P-45714 14 W 777770b 0308bb2 2 W
6、 MIL-P 45714 (ORD) 3.5., 2 Power consumption. c Total power consumption shall be not greater than 1000 watts. 3.5.3 Full-load output voltage. - The fullwload output voltage shall be not less than 1175 volts direct current (dc). 3.5.4 Ripple voltage. The output ripple voltage shall be not greater tha
7、n 6.5 volts rms under full-load conditions. 3.5.5 No-load output voltage. The no-load output voltage shall be not greater than 1600 volts dc. 3.5.6 The delay circuit. CI The time delay circuit function shall be such that application of plate voltage to the rectifiers shall occur in not less than 38
8、nor more than 52 seconds after application of input voltage. 3. 5.7 Control relay (relay K4). - The output voltage of the power supply shall be available only when relay K4 is energized, 3. 5.8 Overload relay circuits. 3. 5.8.1 Overload adjust control. c) The. overload adjust control shall be capabl
9、e of adjusting the current to the overload relay to remove output voltage when output current exceeds 450 milliamperes (ma). 3.5.8.2 Overload indicator. C) The overload indicator lamp I1 shall illuminate when output voltage is removed by the overload relay. 3;5.8.3 Overload reset. C.) The overload r
10、eset switch S4 shall be capable of resetting the overload relay after removal of overload con- ditions. 3.5.9 Operate-tune switch. - The output voltage with the operate- tune switch in the TUNE position shall be one-half the voltage available with the switch in the OPERATE position. 4 Provided by IH
11、SNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-3.5.10 Hiph voltage interlock switch. - The high voltage interlock switch shall shut off the output voltage when operated. be located on the power supply in a position that permits switch opera- tion by pulling the u
12、nit out on its slides when rack mounted in the AN/ MRQ-7 Radio System. The switch shall 3.6 Environmental and service conditions. 3.6.1 Temperature. 3.6. 1.1 Operating. w The power supply shall operate satisfactorily within ambient temperatures ranging from O to 5 1.6 degrees centigrade (C) (32 to 1
13、25 degrees Fahrenheit (F). 3.6.1.2 Nonoperating. The power supply shall not be damaged nor shall its performance be impaired by storage or transportation at temperatures ranging from minus 40 to plus 71 degrees C (minus 40 to plus 160 degrees F). 3.6.2 Vibration. w The power supply shall not be dama
14、ged nor shall its performance be impaired when subjected to vibrating frequen- cies between 10and 55 cps, otal excursion 0,0156 inch. 3.6.3 .Shock. c, The power supply shall be capable of withstandw ing, without damage, the shocks that normally occur in operating and nonoperating condition s. 3.6.4
15、Relative humidity. - The power supply shall not be damaged nor shall its performance be impaired when subjected to relative humid- ities up to and including 90 percent. 3.6.5 Fungus resistance. - The power supply shall be treated in accordance with Specification MiL-Tm152. The unit shall not be dama
16、ged nor shall its performance be impaired when subjected to the fungus treat- ment. 5 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MILwPr45714 ORD) 3.6.6 Saltladen.air, li The power supply shall not be damaged nor shall its performance be impaired
17、 by saltdaden air as encountered in coastal service or in ocean transportation. 3.6.7 Altitude. 2 C. The power supply shall operate satisfactorily at any altitude from sea level to 10, O00 feet above sea level. unit, nonoperating, shall be capable of being transported by air, with out damage, at alt
18、itudes up to and including 50, O00 feet. The 3.7 Details of components. - Components of the power supply shall be in accordance with Drawing 8130045 and all applicable draww ings and specifications referenqed thereon. 3.8 Dimensions. w Dimensions and tolerances shall be in accordm ance with Drawing
19、8130045 and applicable drawings referenced thereon. 3.9 Color and finish. ec Color and finish shall be in accordance with Drawing 8130045 and applicable drawings and specifications referenced thereon. 3,lO Product marking. - Product marking shall be in accordance with Drawing 8130045 and applicable
20、drawings and specifications ref- erenced thereon, and Standard MIL-STD-130. 3,ll Workmanship. All components shall be properly fitted into their respective positions. connections shall be mechanically secure and electrically sound. controls shall operate freely without slipping, sticking or binding,
21、 Electrical connections shall be flexible between shock mounted com- ponents and their foundations. Surfaces of glazed ceramic components shall be smooth, uniform and free from cracks. evidence of corrosion, burrs, roughness, sharp edges or other defects which could adversely affect its use or suita
22、bility for the purpose intended, All mechanicd joints and electrical All There shall be no 4. QUALITY ASSURANCE PROVISIONS . 6 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-P- 45714 (ORD) 4.1 The supplier is responsible for the performance of a
23、ll inspection requirements as specified herein. Except as otherwise specified, the supplier may utilize his own or any other inspection facilities and services acceptable to the Government. records of the examination and tests shall be kept complete and available to the Government as specified in th
24、e contract or order. The Government reserves the right to perform any of the inspections set forth in the specification where such inspections are deemed necessary to assure supplies and services conform to specified requirement s. Inspection 4.2 Preproduction sample. C) The preproduction sample sha
25、ll be subjcted to all examinations and tests specified herein. Unless otherwise specified by the procuring activity, preproduction sample tests shall be performed by the contractor under Government sur- veillance at the installation designated in the contract or order (see 6.2). 4. 3 Sampling, Unles
26、s otherwise specified (see 6.2) by contract or by the contracting officer, sampling shall be 100 percent of produc- tion. 4. 4 Lot size. H Lot size shall not exceed that quantity of power supplies produced in one continuous operation by the same manufac- turer and manufactured in accordance with the
27、 same drawing, draw- ing revision, specification, and specification revision. 4.5 Examination. CI Visual and tactile examination for defects shall be conducted in accordance with Standard MIL-STD-252 to determine compliance with requirements as specified in 3.11, 4.6 Test equipment. 1 The test equip
28、ment shall meet the mini- mum requirements of the equipment listed below and shall be used as indicated in performing the tests. In the test setup and procedure the equipment is referred to by item number. mounted separately or in any combination (such as consoles, panels, and multipur poa e instrum
29、ents ). The equipment may be Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,- MIL-P-45714 14 7977706 0308666 T W MIL-P-45714 (ORD) Item 1 2 3 6 7 8 9 10 8 De scription Voltme ter, Ts340/U or equivalent. Multimeter, 1-50 or equivalent. Wattmeter, 115
30、volts, 10 ampere s, capable of measuring 1000 watts, accuracy plus or minus 1 percent. Variable load rheostat, 2.5 to 3.5 kilohms, plus or minus 10 percent, 700 watts. Voltmeter, dc, range 400 to 2000 volts, accuracy plus or minus 1 percent, sensitivity 1000 ohms per volt. . Timer, sixty-second stop
31、 watch, graduated one-fifth second increments. Oscilloscope, 0%73/MPM-38 or equivalent. Network, resistance w capacitance; O. 1 microfarad, plus or minus 10 percent 3000 volt capacitor in series with 110 kilohm plus or minus 10 percent, 2 watt resistor. Power supply, 115 volts ac plus or minus 1 per
32、cent, O-CPS, single phase. Switch, push button type, 115 volt ac, 2 ampere, single pole single throw, norm mally open. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-P- 45714 CORD) It em De scription - 11 Switch, push button type, 115 volt ac, 2
33、 ampere, single pole single throw, normally cl os ed. 12 Standard measuring equipment (see 6. 30 1). The Government inspector, when examining the contractor fs inspection equipment, will determine that the contractor has avail- able, and utilizes correctly, gaging, measuring, and test equipment of r
34、equired accuracy and precision, and that the instruments are of a proper type and range to make measurements within the required accuracy. The contractor shall have available a set of master gages, standards, and appropriate instruments to conduct regularly scheduled calibrations of his inspection e
35、quipment. Records of such calibrations shall be maintained by the contractor and made available for Govern- ment review. The calibration of gages, standards, and instruments will be checked periodically by authorized Government personnel. 4. 7 Test setup. O Test setup indicated in figure 1 shall be
36、used as a guide in performing the power supply performance characteristic tests. swikch shall be bypassed for the performance characteristic tests by connecting a jumper wire between J6701 pins 2 and 5. Except as specified in 4.8. 2.10, the high voltage interlock r Figure 1 Item 7 1 Provided by IHSN
37、ot for ResaleNo reproduction or networking permitted without license from IHS-,-,-“WARNING“ Due to the high voltage required in the following tests, extreme caution shall be taken to protect all personnel in the area when per- forming these tests. 4.8 Tests. CI A.l1 terminals shall be grounded or co
38、nnected as specified, Except for the electrical tests (4.8.1) which shall be made prior to application of power, the sequence of tests shall be at the option of the contractor. service condition tests shall be performed on the preproduction sample Power consumption and environmental and only. 4. .8.
39、1 Electrical. 4.8.1.1 Continuity. o A continuity check of the power supply shall be made using item 12 to determine compliance with 3.4. 1. measurements requiring the use of item 12, terminal J6702 shall be shorted to ground for the period of time necessary to remove any residual voltage whicli coul
40、d be detrimental to the test instrument, Prior to 4. 8. 1.2 Dielectric strength. c( The power supply shall be tested in accordance with Standard MIL-STD-202, method 30 1, to determine c omplianc e with 3.4.2. 4.8.1.3 insulation resistance. c The power supply shall be tested dition IIBl, to determine
41、 compliance with 3.4.3. accordance with Standard MIL-STD-202, method 302, con- 4.8.2 Performance characteristics. 4.8.2.1 hput power. 4.8.2.1.1 Test proceure. CI Input power as specified in 3.5.1 shall be applied to the power supply and shall be measured using item 1 connected between JSl pins 17 an
42、d 18 to determine compliance with 3.5. 1. lo Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-. MIL-P-45714 14 W 9999906 030bb9 5 ML-P- 45714 (ORD) 4.8. 2.2 Power consumption. 4. 8.2.2.1 Test procedure. - The operatetune switch shall be placed in the
43、OPERATE position and the overload adjust control R1 shall be rotated completely clockwise. Input power as specified in 3.5.1 shall be applied to the power supply. At least 52 seconds after application of input power, the push button of item 10 shall be operated and item 4 adjusted for an indication
44、of 450 ma on item 2. After a 15 minute warm up period, item 5 shall be readjusted to 450 ma if necessary and the indication on item 3 shall be observed for compliance with 3.5.2. 4. 8.2.3 Fullload output voltage. 4.8.2.3.1 Test procedure. - The operatemtune switch shall be Input power as specified i
45、n 3.5.1 placed in the OPERATE position. shall be applied to the power supply. The push button of item 10 shall be operated and item 4 shall be adjusted to indicate 450 ma on item 2, The indication on item 5 shall be observed to determine compliance with 3.5.3. 4. 8. 2.4 Ripple voltage. 4.8.2.4.1 Tes
46、t procedure. - The operate-tune switch shall be Input power as specified in 3.5.1 placed in the OPERATE position. shall be applied to the power supply. The push button of item 10 shall be operated and item 4 shall be adjusted to indicate 450 ma on item 2. The peak output ripple voltage shail be meas
47、ured using item 7 and shall be converted to an rms value to determine compliance with 3.5.4. 4.8. 2.5 No-load output voltage. 4.8.2.5. 1 Test procedure. - The operatedune switch shall be placed in the OPERATE position. Items 2 and 4 shall be removed from the test circuit. Input power as specified in
48、 3.5.1 shall be applied to the power supply. The push button of item 10 shall be operated and the indication on item 5 shall be observed for complim ance with 3.5.5. 4 returned to the circuit. Input power shall then be shut off and item 2 and Provided by IHSNot for ResaleNo reproduction or networkin
49、g permitted without license from IHS-,-,-Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-4,8.2,9 Operatedune switch, MIL-P- 45714 (ORD) 4.8.2.9.1 Test procedure. - Input power as specified in 3.5.1 The operate-tune switch shall After the time delay circuit permits, shall be applied to
