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    NAVY MIL-M-19097 B-1962 MOTOR-GENERATORS DC TO AC SHIPBOARD SERVICE《船舷直流电到交流电发电器》.pdf

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    NAVY MIL-M-19097 B-1962 MOTOR-GENERATORS DC TO AC SHIPBOARD SERVICE《船舷直流电到交流电发电器》.pdf

    1、MIL-M-l9U?B bl = 9999906 048696l3 5 - i-I XIL-M-lSOSTB() 22 May 1961 SUPESSEDDJO MEt-M-lw)9?A(SRIP8) 1 March ISS6 1. SCOPE - This specicaton covers direct cur- re2h.Fj%iternating current (a. c. ) motor pner- ator power supplies for Nani ehipboard we. . 1.2 Ciaasifcakion. - Motor generators and asno-

    2、 clated control equipment ahall be of the foUowingtypes as specified (see 6.1): ships. only. 2. APPLICABLE DOCUMENTS 2.1 The following documents, of the issue in effect on date of invitation for bids, form a part of thisspec- lfication to the extent specifled herein: Type I - General-purpose-intende

    3、d for surface Type li - Special-intended for submarine use SPECIFICATIONS FEDERAL FF-B-171 . - Beifng, Ball, bular, (General Purpose). Mechanical and Mechanicol Puller Attachment. QQ-1-666 - Iron Castings, Maileable. cGo-P-981- .miller axxi PUkr Kit, MILITARY MIL-E- 1 MIL-R-22 MIL-(2-25 MIL-C- 62 MI

    4、L-1-691 MIL-S-901 - Electron Tubes and Crystal Recttflers. - Resistor, Variable (Wtre- wound, Power Type). - Capacitors, Rxed, Paper- Dielectric, Mrect-Current Hermetically Seaed in ! Metallic Cases, General Specification For. - Capacitors, Fixed Electro- lytic DC, Aluminum Dry Electrolytic, Poloriz

    5、ed). - insulation, Electrical, Synthetic-Resin Composi- tion, Nonrigid. - Shockproof-Equipment, Class HI (High Impact), Shipboard Application, Test for. MIL-E-917 - Eledric Power Equipment, Bcreic Requirements for (Nava Bipbosud Um). Prmedure For Procure- merd of. MiL-Et361 - Imtmmoists, Electrical

    6、Meaaurlng: Shunts, ReslmOrs, and Trans- . former8 (Shlp uK1 Shore Use). Startera, ylcl Master Switches-Direct-Current, . Naval Shipboard Um. MIL-C-3545 - Crease, Aircraft, High Temperaure ML-B-3?43 - Brushes Electrical, Con- tact; and Carbon Stock, Electricol Contact BNBIL, MSL-C-5015 - ConnectorB,

    7、Electrical AN TYP. ML-Q-9858 - Quality Control ggntem Re- quirements. M%L-M-lOSM -.Meters, Electrical Indicat- MIL-M-15071 - Manual, Technicol, for M PNtdUdhl, MIL-C-2174 - ControUers, Motor ing, -1ml mg- gedited. Mechanical and Electricol Equipment, Le88 Elec- tronics. MIL-S-1508j - Steel; Casting.

    8、 MIL-R-15109 - Restators and Rheostats, Shockproof (Navol Ship- board Use). MIL-S-15291 - Switches, Rotary, Snap Action, Bureau-besign, MIL-L-15719 - Lubricating Grease (High- Temperature, Electric Motor, 3all and Roller MIL-P-16018 - Packaging of Switchboards, Controllers and Mo Nodular Graphitic (

    9、Ductile Iron) (for Shipboard Applications). MIL-M-17191 - Mounts, Resilient; Ports- mouth Bonded Cpool “ype. MIL-(2-17361 - Circuit Breakers, Air, Electric, Insulated Enclo- sure (Shipboard Use). MIL-M-11508 - Mounts, Fksilient, Naval Engineering Experiment Station Types 6E2000, 6E900, 7E450, CE150

    10、and 6E100. MXL-E-17655 - Electronic and Electrical Equipment And Associated Repair Parts; Preparation For Delivery Of. MIL-C-17588 - Circuit Breaker (Automatic ALB) And Switch, Toggle (Circuit Breaker, Non- Automatic - NLB), Air, hsuiated Enclosure, 125 Volts And Below, AC Or Dc, Naval Shipboafrd, M

    11、IL-B-17931 - Bearings, Ball Annular specially Selected for Quiet Operation, Noise Tested. MIt-R-18281 - Rectffiers, Metallic; Sele- nium, CopperOxide, and Magnesium-Copper Sulfide Types, Navai Shiphoard Use. MIL-M-19379 - Mounts, Resilient, Mare bland Rubber Laboratory Types llM25, llM15 And 10M50.

    12、General Specification for. (Naval Shipboard). , ML-S-19500 - Semiconductor Devices, MIL-E-22843 - Equipment, Low Noise Level STANDARDS MILITARY MIL-STD-167 - Mechanical Vibration of MIL-STD-196 - Marking of Connections for MIL-STD-242 - gbctronic Equipment Parts MIL-STD-701 - Preferred And Guidance

    13、List Shipboard Equipment. Electric Aseemblies. (Selected Standards). Of Transistors. (Copies of specifications, standards, drawings, and publications required by contractors in connec- tion with specific procurement functions should be obtained from the procuring activity or as directed by the contr

    14、acting officer). 2.2 Other publications; - The following document forms a part of this specifleation to the extent spec- ified herein. Unless otherwise indicated, the issue in effect on date of invitation for bids shall apply. OFFICIAL CLASSIFICATION COMMfTTEE Uniform Freight Classification Rules (A

    15、pplication for copies shouki be addressed to the Official Classification Committee, 1 Park Ave. at 33rd St., N.Y. 16, N.Y.). 3. REQUIREMENTS 3,l Definitions 3.1. 1 Rated condition. - Rated condition is characteristics assigned th a machine such as, speed, voltage, frequency and current for a spec- I

    16、ied output rating. t 3.1.2 Nominal rating. - Nominal rathg1 is the normal constant operating condition or character- istic assigned to a machine when a range,otoper- ating conditions or characteristics are specified. 3.1.3 Continuous duty, - Continuous duty is a requirement of service that the equip

    17、ment shall op- erate satisfactory at any constant load in the range of no-load to full load for an indefinitely long time, 3,l. 4 Total harmonic content. - The total har- monic content is the total mot mean square :r. m. s. voltage remaining when the fundamental component is removed. 3.1.5 Voltage m

    18、odulation. - Voltage modulation is the cycic variation or random dynamic varia- tions, or both, about an average of the ac peak voltage during steady state electric-system opera- tions such as caused by voltage regulation and speed variations. The modulation envelope is formed by a continuous curve-

    19、connecting each sine wave peak to the successive sine wave peak. 3.1.8 Short-circuit ratio. - The short-circuit ratio is the ratio of the field current at rated open circuit armature voltage and frequency to the field current required to produce rated armature current for a sustained symmetrical sho

    20、rt circuit at rated frequency. I 3.1,7 Synchronous impedance. - T per unit direct ,axis synchronous impedance equals the ratio 2 I . Licensed by Information Handling ServicesNominal Voltagerange voltage min. max. 3.2.3 Output voltage. - The output voltage of the motor generator shallbe either 120or

    21、450voltts as spec- ified (see 6. 1). 115 230 250 Type I Type I Type II 3.2.4 Phase. - The phase of the output voltage shail be either single phase or three phase as spec- ified (see 6.1). 3.2.5 Frequency. - The output frequency of the motor generator shall be either 60 or 400 cycles as speclfied (se

    22、e 6.1). 105 - 125 210 - 250 210 - 356 3.2.6 Power factor. - The power factor of O. 8 shall be used. 3.2. i Duty. - Motor generators and control equipment shall be designed for continuous duty when operating on the input voltage range specified in 3.2.2. 3.2.8 Ambient temperature. - The motor gen- er

    23、ators and all associated control equipment shaii be designed for operatlon in an amblent temperature of 50“ Centigrade (C. ). MIL-M- 19097B(WIPS) 3.2.9 Shock. - Motor geenetator8 and ai1 asso- ciated control equipment As means of re- ducing radio intererenee special attention should be given to desi

    24、gn features specified in 3.4.22. . 3.2.12 Grounding. - Equipment shaU be designed power system but accidental grounding of this sys- tem shall not cause mal-operation, Design and con- struction shall be such that all exposed metai parts are at ground (ships hull) potential at all tim s. None of the

    25、circuits of the equipment furnishel shiti be tied to ground. The outpit of the motor genera- tor power supply shall also be designed as an un- grounded system; however, the equipment shall be designed to perform in accordance with the require- ments of this specification in the event of single failu

    26、re to ground and when operating with loads which may have high impedance circuits to ground such as may be caused Ly radio inferhence sup- pression networks. 3,2.13 Modes of opetrtion. - Tire equipment shall be suitable for operation in ny of the following man- ners specified herein: to operate sati

    27、sfactorily from an ungrounded ships ! , (a) Voltage regulator and frequency regolator (b) Voltage regulator and frequency regulator (c) Voltage regulator in automatic, frequency (d) Voltage regulator in manual, frequency in automatic. in manual, regulator in manual. regulator in automatic. 3.2.14 Vo

    28、ltage regulation. - Voltage regulation shall be achieved by a completely static regulator and excitation system, The voltage regulator shall be capable of maintaining the voltage or mean volt- ages for 3 phase generators within plus or minus O, 5 percent of rated voltage under the following conditio

    29、ns or any combination thereof: (a) Load varying between no load and rated load. Licensed by Information Handling ServicesMIL-M-l9097B(SHIPS) . (b) Load power factor varying between O. 8 lagging and unity. (c) Variation of generator frequency within plus or minus 2 prcent of rated frequency. (d) Vari

    30、ation of input voltage within the range specified. (e) Variation of equipment temperature from cold at specified ambient to full load rise at specified ambient. (f) Unbalanced generator load of 15 percent of rated output (for 3 phase generators). (e) Generator voltage adjusted to any point within th

    31、e regulator band. 3.2.16 Voltage deviation and recovery. - The eudden amlication of a 50 Dercent load at O. 8 factor I (a) Load varying between IK load and rated load, (b) Load power factor varying between O, 8 lag- ging and unity. (c) Variation of input voltage within the range epeciied. (d) Variat

    32、ion of equipment temperature from cold at specified ambient to full load rise at specified ambient. (e) Variation in generator voltage as specified in 3.2.18. within the regulation band. . (f) Generator frequency adjusted to any point 3.2.17 Freegiency deviation and recovery. - Upon awlication of 50

    33、 percent 0.8 power factor loasfrom no lid in one step from 100 percent Load. 3.2.10 Regulated voltage adjustment. - Provisions sitdl be made to ad exceed 3.5 percent of the peak voltage. This requtre- ment shall apply for any loads between no load and rated load and at any power factor between O. 8

    34、(lag- ging and unity. 3.2.24 Line unbalance (three uhase generators only). - The variation between line voltages shall not be greater than 5 percent of rated voltage when a single phase load of 15 percent rated current at any power factor between O, 8 and unity is applied to any line of the generato

    35、r which is already loaded with a balanced 3 phase load of 75 percent of rated current. 3.2.25 Voltage balance (three phase generators only). - Thevariation between line voltages at the - output terminals of the power supply (load side of circuit breaker) shall not be greater than O. 5 percent at no

    36、load or for any Uced three phase current up io rated current at any power factor between O. 8 and unity. 3.2.26 Generator short circuit ratio. - The gen- erator skirt circuit ratio shall be no less than O, 8, Licensed by Information Handling Services3.2.27 System short circuit performance. - The sta

    37、ttc exciter and voltage regulator shail be capable of producing sufficient generator field current to maintain 300 percent rated generator output current for a period of 2 minutes under the follow 3-phirse shor: circui: condition for 3 phase generators or one phase short circuit condition for one ph

    38、ase genera- tors: initial Generator field load Control temperature Symmetry No load Automatic Hot Symmetrical Hot field temperature shall be equivalent to normal full load rise obtained from the heat run plus speci- fied ambient temperature (50%. ), The design of the motor generators and control equ

    39、ipment shall be such that it can withstand a short circult current of the magnitude required for 2 minutes without dam- aging the equipment. Upon removal of the short circuit, rated speed and voltage shall be automati- cally restored. 3,2.28 Parallel operation. - Parallel operation shall be provided

    40、 as follows: - (a) The equipment shall be designed so that any number of motor generators and control equipment of identical design will operate in paraiiei in accorance with the requirements specified herein. Parallel operation shall be accomplished by cross-current compensation of the voltage regu

    41、lators and speed governors rather than by droop compensation. I 3.2.28.1 mallel operation performance. - The maximum difference in kilovar (bar) andkw supplied by generators operating in para1181 shall not exceed the following limits under any load condition between 20 and 100 percent of rated load.

    42、 These require- ments shall also apply for input voltage variations specified in table I, variations in equipment tem- perature from ambient to full load rise, and varia- tion in power factor between O. 8 lagging and unity. The design shall be such that the equipment will perform as specified herein

    43、 when each power supply is connected to a different source and without any electrical Interconnection between these sources. The requirements shall apply only when both the speed and voltage regulators are in automatic operation. (a) The maximuin difference in kw supplied by the generators in parall

    44、el shall not exceed 8 percent of the kw rating of one of the generators, for 115 and 230 nomi- nal input voltage and 10 percent for 250 nominal input voltage. (b) The maximum difference kvar eupplied the generators in parallel shall no5 exceed 6 percent of bar rating of one of the gen- erators. 3.2.

    45、29 Insulation resistance. - The insuiation resistance, when corrected in accordance with 4.6.6 sha not be less than 50 megohms for motor gener- ators and 10 megohms for associated controla, 3.2. SO Circuit segregation. - The d, ci input and a. c. output shall be completely isoiated at all times. 3.2

    46、.31 Melectric strength. - The motor genera- tor and associated control equipment shall be capable of withstanding a dielectric stGngth test (see 4.6.7) of twice the normal-voltage of the drcuit plus 1, OM) volts for one minute. 3.3 Detailed requirements- 3.3.1 General. - Equipment covered by this sp

    47、ecification shall conform to Specifiyation MIL-E- 917 unless otherwise specified herein. The equip- ment shall torm a complete power supply consisting of a motor generator and its intended control equip- ment. 3.3.2 Reliability. - To meet the needs of the Naval service, it is imperative that reliabl

    48、lity of operation be considered of prime importance in the design and manufacture of the equipment. The con- tractor shall employ all reasonable methods posstble in the process of manufacture to assure quality and maximum reliability consistent with the state of the art. in the functional applicatio

    49、n of parts to equip- ment circuits, adequate factors of safety shall be provided by suitable deviations from their specifica- tion values where required, in order to insure high equipment reliability under all servtce conditions, The design shall include all possible features which will result in reliable and stable operation with minimum need for adjuetment and alignment, mini- mum frequency of failure and minimum requirements for maintenance. Maintenance shall be simplified to reduce the need lor highly skilled maintenance personnel, The final product


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