1、 a a r_ 1 * IINCH-POUNDI MIL-F-24713(SH) 21 February 1989 MILITARY SPECIFICATION FREQUENCY CHANGER, STATIC, AIR COOLED (NAVAL SHIPBOARD) This specification is approved for use by the Naval Sea Systems Command, Department of the Navy, and is available for use by all Departments and Agencies of the De
2、partment of Defense. 1. SCOPE 1.1 ScoDe. The specification covers a 150 kilowatt (kW) (at unity power factor) solid state, air cooled frequency converter for the conversion of electrical power from 60 hertz (Hz), 3-phase, to 400 Hz, 3-phase, for non-nuclear power Naval surface ship use, 2. APPLICABL
3、E DOCUMENTS 2.1 Government documents. 2.1.1 SDecifications, standards and handbooks. The following specifi- cations, 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 De
4、partment of Defense Index of Specifications and Standards (DoDISS) and supplement thereto, cited in the solicitation (see 6.2). SPECIFICATIONS FEDERAL PPP-F-320 - Fiberboard; Corrugated and Solid, Sheet Stock (Container Grade), and Cut Shapes. Beneficial comments (recommendations, additions, deletio
5、ns) and any pertinent data which may be of use in improving this document should be addressed to: Commander, Naval Sea Systems Command, SEA 5523, Department of the Navy, Washington, DC 20362-5101 by using the self-addressed Standardization Document Improvement Proposal (DD Form 1426) appearing at th
6、e end of this document or by letter. L“- THIS DOCUMENT CONTAINS r3 PAGES. I FSC 6130 AMSC N/A DISTRIBUTION STATEMENT A; Approved for public release; distribution is unlimited Licensed by Information Handling ServicesMILITARY MIL- S - 901 MIL-E-917 MIL-M-7793 MIL-P-15024 MIL-P-15024/5 MIL-F-15160 MIL
7、-M-16034 MIL-M-16034/9 MIL-E-17555 MIL-L-19140 MIL-S-19500 MIL-C-24643 - Shock Tests, H.I. (High-Impact); Shipboard Machinery, Equipment and Systems, Requirements for. - Electric Power Equipment, Basic Requirements (Naval Shipboard Use). - Meter, Time Totalizing, - Plates, Tags and Bands for Identif
8、ication of - Plates, Identification. - Fuses: Instrument, Power, and Te.lephone. - Meters, Electrical-Indicating (Switchboard and Portable Types). - Voltmeters, A.C. and D.C., Portable, 0.25- Percent Accuracy Class. - Electronic and Electrical Equipment, Accessories, and Provisioned Items (Repair Pa
9、rts): Packaging of. Equipment. - Lumber and Plywood, Fire-Retardant Treated, - Semiconductor Devices, General Specification for. - Cable and Cord, Electrical, Low Smoke, for Shipboard Use, General Specification for. MIL-C-24643/18 - Cable, Electrical, 1000 Volts, Type LSMSCU (Including Variations LS
10、MSCA and LSMSCS). MIL-M-38510 - Microcircuits, General Specification for. STANDARDS MILITARY MIL-STD-108 - Definitions of and Basic Requirements for Enclosures for Electric and Electronic Equipment. (Type I - Environmental and Type II - Internally Excited). Component Parts. Equipment. Requirements f
11、or the Control of Electromagnetic Interference. Measurement of. Equipment. Evaluation. Criteria of Shipboard Equipment. MIL-STD-167-1 - Mechanical Vibrations of Shipboard Equipment MIL-STD-202 - Test Methods for Electronic and Electrical MIL-STD-454 - Standard General Requirements for Electronic MIL
12、-STD-461 - Electromagnetic Emission and Susceptibility MIL-STD-462 - Electromagnetic Interference Characteristics, MIL-STD-470 - Maintainability Program for Systems and MIL-STD-471 - Maintainability Verification/Demonstration/ MIL-STD-740-1 - Airborne Sound Measurements and Acceptance 2 Licensed by
13、Information Handling ServicesMIL-F-247l13 bL 7777706 0070613 4 W a 1 I a MILITARY (Continued) MIL-STD-740-2 - Structureborne Vibratory Acceleration Measure- ments and Acceptance Criteria of Shipboard Equipment. Qualification, and Production. lines. MIL-STD-781 - Reliability Testing for Engineering D
14、evelopment, MIL-STD-810 - Environmental Test Methods and Engineering Guide- MIL-STD-883 - Test Methods and Procedures for Microelectronics. MIL-STD-1310 - Shipboard Bonding, Grounding, and Other Tech- niques for Electromagnetic Compatibility and- Safety. MIL-STD-1399, - Interface Standard for Shipbo
15、ard Systems, MIL-STD-1472 - Human Engineering Design Criteria for Military MIL-STD-1629 - Procedures for Performing a Failure Mode, Effects Section 300 Electric Power, Alternating Current. (Metric) Systems, Equipment and Facilitie;. and Criticality Analysis. HANDBOOKS . MILITARY MIL-HDBK-217 - Relia
16、bility Prediction of Electronic Equipment. MIL-HDBK-781 - Reliability Test Methods, Plans, and Environments for Engineering Development, Qualification, and Production, (Unless otherwise indicated, copies of federal and military specifications, standards, and handbooks are available from the Naval Pu
17、blications and Forms Center, (ATTN: NPODS), 5801 Tabor Avenue, Philadelphia, PA 19120-5099.) 2.1.2 .Other Government publication. The following other Government publication forms a part of this document to the extent specified herein. Unless otherwise specified, the issues are those cited in the sol
18、icitation. PUBLICATION NAVAL SEA SYSTEMS COMMAND (NAVSEA) 0967-LP-597-1011 - Part Application and Reliability Information Manual for Navy Electronic Equipment. .(Application for copies should be addressed to the Naval Publications and Forms Center, (ATTN: NPODS), 5801 Tabor Avenue, Philadelphia, PA
19、19120-5099.) 2.2 Non-Government Dublications. The following document forms a part of this document to the extent specified herein. Unless otherwise 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 spe
20、cified, the issues of documents not listed in the DoDISS are the issues of the documents cited in the solicitation (see 6.2). 3 Licensed by Information Handling ServicesHIL-F-2Y713 bL W 999990b 0090bLq b M MIL-F-24713(SH) INSTITUTE OF ELECTRICAL AND ELECTRONICS ENGINEERS (IEEE) IEEE 200 - Reference
21、Designations for Electrical and Electronics Parts and Equipments. (DoD adopted) (Application for copies should be addressed to the Institute of Electrical .and Electronics Engineers, 345 East 47th Street, New York, NY 10017.) (Nongovernment standards and other publications are normally available fro
22、m the organizations that prepare or distribute the documents. These documents also may be available in or through libraries or other informational services.) 2.3 Order of precedence. In the event of a conflict between the text of this document and the references cited herein, the text of this docume
23、nt takes precedence. Nothing in this document, however, supersedes applicable laws and regulations unless a specific exemption has been obtained. 3. REQUIREMENTS 3.1 First article. When specified (see 6.2), a sample shall be subjected to first article inspection (see 6.5) in accordance with 4.4. 3.2
24、 Performance. 3.2.1 Input power. The input to the equipment (see 6.6.1) shall be 440 volts, 60 Hz, 3-phase, 3-wire, ungrounded, type I power complying with the characteristics and ranges as specified in MIL-STD-1399, section 300. Equipment shall not be damaged when the input voltage phase rotation i
25、s in a reverse order (AC-CB-BA). 3.2.1.1 Self-protection from input voltage variation and transient. When the equipment is supplying any load from no-load to rated-load, the equipment shall withstand, without damage or blowing of fuses, any input voltage or frequency variation, or both, outside the
26、transient limits specified in MIL-STD-1399, section 300 (see 4.7.5). When the input voltage and frequency exceed the input transient limits, they may take any of the following conditions: (a) The input voltage instantly drops to zero. (b) The input voltage drops between O and 82 percent of nominal a
27、nd LlruL LPLcquallLy .3( a22 .1s .17 .15 .14 .14 .12 - - O. 97 .51 .36 .2a .23 19 .17 .15 14 .13 - - 1.4 -70 .49 .37 * 29 .25 .22 .19 .17 .16 - - 1.5 .81 .54 .42 .34 -28 .24 .21 a 19 -17 - 1.1 .57 .39 .29 .23 .22 .18 .16 .15 .14 1.2 .64 .44 * 33 .27 .22 ,20 .17 .16 .15 O. 058 .O58 .O58 ,058 . O58 .O
28、61 .O60 ,060 .O60 .O60 3.058 .o58 .O58 .O58 .O58 .O61 ,060 .O70 .O60 .O60 O. 05 . O58 .osa ,058 .o58 .O61 ,069 .O70 .O60 .O69 O. 07; .06 .05t .05 ,058 .O61 .O69 ,070 .O69 .O69 O. 077 .O67 .O71 ,067 .O58 061 ,069 .O70 ,069 ,069 O. 077 ,067 .O71 .O67 ,069 ,071 ,069 .O70 ,069 ,069 - 1/ To convert to pe
29、r unit values: Xpu = X (ohms) (kVA of load) 1000 (L-L voltage in vo1ts)Z 3.2.1.5 Starting time. Equipment shall accept any load from no-load to rated-load and operate in compliance with requirements specified herein, within 1 second of command for output power (see 4.7.7). Initial power up of unit m
30、ay be delayed up to 60 seconds for diagnostic self test. 3.2.1.5.1 Prohibition of start. Equipment shall meet all load requirements when the input voltage is within a range of 390 to 490 volts and the input frequency is within 55 to 65 Hz. Equipment shall be constructed such that it cannot be starte
31、d when input voltage or input frequency is outside the range where output power can be maintained. Licensed by Information Handling Services3.2.1.7 No-load inDut current. The maximum no-load input current shall be not greater than 10 percent of rated-load input current (see 4.7.19). 3.2.1.8 Groundin
32、q. Equipment shall operate as specified herein, when connected to an ungrounded ships input power system having 3 to 20 microfarad capacitance from any line to ground, or with any single input or output terminal intermittently or permanently grounded. The equipment input or output shall not have any
33、 direct grounding or grounding through capacitors (see 4.7.33). 3.2.1.9 Input Dower factor. The input power factor presented to the 60 Hz input power by the equipment shall be between 0.75 lagging and 0.9 leading. 3.2.2 OutDut voltage. Rated output voltage shall be 450 volts root mean square (Vrms).
34、 The output circuit shall be delta-connected, ungrounded, 3-phase, 3-wire, 400 Hz for all units. The phase rotation of the output voltage shall be a clockwise sequence of AB-BC-CA. 3.2.2.1 Voltape repulation. The average of the Vrms values of the output voltage shall be maintained at the regulated p
35、oint (the equipment output ter- minals (see 3.2.2.2) within plus or minus 0.5 percent of rated output voltage under the following variable conditions and any combination thereof, at all voltage settings within the adjustment range as specified in 3.2.2.3 (see 4.7.8): (a) A voltage drop from the term
36、inals of the equipment to the regulated point of any amount from O to 7 percent of rated output voltage, as specified in 3.2.2.2. (b) A load variation from no-load to 125 percent of rated-load. (c) Load power factor varying between 0.7 lagging and 0.9 leading. (d) An input voltage and frequency vari
37、ation within the range (e) Variation of the equipment temperature from cold start (at specified herein. ambient temperature ranging from O to 50 degrees Celsius (“C) to maximum operating temperature (at ambient temperature ranging from O to 50C). (f) Under the unbalanced load conditions specified in
38、 3.2.2.11. , 3.2.2.2 Line drop compensation. The converter shall compensate for a full- load line voltage drop to the load of 7 percent (see 4.7.9). While operating in the line drop compensation mode, the converter shall meet the voltage regulation requirements of 3.2.2.1 at a single point in the di
39、stribution system, defhed as the load terminals. Other performance requirements of this specification shall be met at the converter output terminals. Line drop compensation shall not be applied to converters operating in parallel. 3.2.2.3 Voltage adjustment. Voltage shall be adjustable not less than
40、 plus or minus 5 percent of nominal voltage (427.5 to 472.5 volts). Adjustment shall be operator adjustable within 0.1 percent (0.45 volt) from the front control panel and monitored by digital voltmeter readout (see 3.2.10 and 4.7.10). 7 I Licensed by Information Handling ServicesMIL-F-24713 b1 W 79
41、9990b 009061B 3 W 3.2.2.4 Transient outDut voltage and recovery. The sudden change of 0.8 lagging power factor loads on the equipment from no-load to half-load, from half- load to rated-load, from rated-load to half-load, and from three-fourths load to one-fourth load shall cause an output voltage d
42、eviation of not more than plus or minus 5.0 percent of rated voltage. The voltage at the equipment output ter- minals shall recover and stay within the steady state regulation band (see 3.2.2.1), within 2.5 milliseconds. Circuits shall be so constructed that voltage transients developed within the e
43、quipment shall not reflect back into the input power system such that transient limits as specified in MIL-STD-1399, section 300, are exceeded for alternating current (ac) input (type I power) (see 4.7.11). 3.2.2.4.1 Steady-state nonlinear loads. Typical steady-state nonlinear loads shall be defined
44、 as loads developed by the 3-phase full-wave rectifying systems, and shall have maximum harmonic current content imposed on the equipment output line in accordance with the following formula, when the load system is supplying resistive loads: 100 percent of fundamental current IN = - N I is the Nth
45、harmonic current and N is the harmonic number. N shall not be any even number or multiple of three. When a nonlinear load up to 70 percent of the rated load is applied to the equipment, the output voltage waveform shall remain within the limits specified in 3.2.2.8, the output voltage regulation sha
46、ll be in accordance with 3.2.2.1, and the voltage amplitude modulation shall be in accordance with 3.2.2.7. 3.2.2.5 Freuuencv regulation. Output frequency shall be maintained within plus or minus 0.5 percent of rated frequency under the following conditions or combination thereof (see 4.7.8): (a) A
47、load variation f.rom no-load to 125 percent of rated-load. (b) Load power factor varying between 0.7 lagging and 0.9 leading. (c) An input voltage and frequency variation within the range (d) Variation of the equipment temperature from cold start (at specified herein. ambient temperature ranging fro
48、m O to 50C) to maximum operating temperature (at ambient temperature ranging from O to 50C). (e) Variation of output voltage specified in 3.2.2.3. 3.2.2.6 Transient freuuencv deviation and recovery. A sudden change of 0.8 lagging power factor loads on the equipment from no-load to rated-load and fro
49、m rated-load to no-load shall not cause a frequency deviation greater than the steady-state band spe-cified in 3.2.2.5 (see 4.7.11). 3.2.2.7 Amplitude and freuuencv modulation. Amplitude and frequency modu- lation of the output voltage (as specified in MIL-STD-1399, section 300) shall not exceed 1 percent and 0.5 percent, respectively, under any of the conditions or combinations of conditions as specified in 3.2.2.5 (see 4.7.12). Licensed by Information Handling Services3.2.2.8 Output voltage waveform, Under any load conditions, between no- load and rated-load, the root mea
