1、MIL-M-IgO97B(SHIPS) AMENDMENT 3 16 Nov.ember 1982 SU PE RS ED I NG AMENDMENT 2 I9 December 1969 MZLITARY SPECIFICATION MOTOR-GENERATORS, DC TO AC, SHIPBOARD SERVICE This amendment farms a part of Military Specification MXL-M-l9097B(SHIPS), dated 22 May 1961, and is approved for use by the Naval Sea
2、Systems Command, Department of the Navy and is available for use by all Departments and Agenoies of the Department of Defense. PAGES 1 and 2 ff 2.1, under HSPECIFICATIONS, MILITARY“: Delete reference to “MIL-D-963“, “MIL-C-2194“, “MIL-G-3545“, “MIL-L-I5719“, “MIL-P-16018“, “MILII-17166“, nMIL-R-i828
3、1n, and “MIL-E-2284311, and add the fallowing: “MIL-C-2212 - Controllers, Electric Motor, AC or BC, and Associated Switohing Devioes, Naval Shipboard. I DOD-D-1000 - Drawings, Engineering and Associated Lists, MIL-E-16298 - Electric Machines Having Rotating Parts and MIL-G-18709 - Grease, Ball and R
4、oller Bearing. MIL-1-24137 - Iron Castings; Nodular Graphitic (Duatile Associated Repair Parts, Packaging of, Iron) and Nadular Graphitno (Corrosion Resisting, Austenitia, Low Magnetic Permeability) (For Submarine Application),n PAGE 2 ff 2.1, under “STANDARDS, MILITARY“: Add: “MIL-STD-440 - Airborn
5、e and Structureborne Noise Measure- ments and Acceptance Criteria,“ II 2.2: Delete reference to “OFFICIAL CLASSIFICATION .COMMITTEEn and substitute the following: HUNIFORM CLASSIFICATION COMMITTEE AGENT Uniform Freight Classification Ratings, Rules and Regulations. . (Ap,plioation for copies should
6、be addressed to the Uniform Classifi- cation Committee Agent, .Tariff Publication Officer, Room 1106, 222 Sauth Riverside Plaza, Chicago, IL 60606.)n 1 of 11 FSC 6125 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,- - MIL-M-L9097B 33 bL W 999Ob 04669
7、58 2 W MIL-M-I9097B(SHIPS) AMENDMENT 3 e * 2.2: Add: “AMERICAN SOCIETY FOR TESTING AND MATERIALS (ASTM) A 47 - Malleable Iron Castings. (DOD Adopted) (Application far oopies should be addressed to the American Society for Testing and Materials, 1916 Raoe Street, Philadelphia, PA 19103.)“ PAGE 3 3.2.
8、8: Delete and substitute: n3.2.8 Ambi,ent temperature. The motor generators and all associated control equipment shall be designedofor operation ina maximum ambient temperature of 50 degrees Celsius ( C) 8nd shall also meet the performanoe requirements- specified herein down to O C.n PAGE 5 3.2.27:
9、Delete and substitute: n3.2.27 S_ysCem. short circuitperformanoe. The mokqr generator, under automatic control. shall PrQdUCe short circuiticqrrent to satisfy the !I fallowing requirements: I i (a) 2t = 1100 P Where: I 3: Sustained steady state generator output current t 5: Time in seoands. (per uni
10、t valve). (b) The minimum value of generator short circuit current shall be three per unit. I (cl The peak value of short circuit current shall not exceed 11 per unit. The requirements of (a) and (b) herein shall be met under the following three phase short cirauit aandition for three-phase generato
11、rs or one-phase short circuit oondition fer one-phase generators: Initial Genera tor field load Control temper a tur,e No load Au tema t ic Hot Hot field temperature shall be equivalent to normal full load rise ogtained from the heat run plus the specified maximum ambient temperature (50 C). The. de
12、sign of.the motor generators and control equipment shall be such $hat it oan withstand a short circuit current of the magnitude required without damaging the equipment. Upon removal of the short circuit, rated voltage shall be autematioally restored.n 2 II Provided by IHSNot for ResaleNo reproductio
13、n or networking permitted without license from IHS-,-,-AMENDMENT 3 3.2.28, item (a), line 2: Delete nnuwber ofn and substitute nthree“, and add the following as item (b): I Material Specification Various M IL-93-3 74 3 The generators shall be paralleled 180 degrees out of phase without damage to the
14、 equipment.n IWI Limitations See MIL-B-3743 PAGES 6 and 7 3.3.12, lines 4 and 5: Delete nSpecification MIL-E-22843n and substitute “MIL-STD-740n; item (a), line 3: Delete nGrade C“ and substitute “Grade Dn. PAGE 7 4f Table III, under “ame of partn column: Delete nCoilsn and substitute fiCoils and oo
15、il cannectoran . 3.3.13, lines 4 and 5: Delete nSpecification MIL-E-22843“ anti substitute ntype 3 of MIL-STD-740“: lines 6 and 7, delete “Grade - Grade B or C equipment as specified (see 6.l)n. I # Add as new paragraph 3,3.13.1: ! “3.3.13.1 In designing for low structureborne noise, factors to be c
16、onsidered shall include, but not be limited to the following: (a) (b) Construction and fabrication such that minimum amount of (cl Avoiding sharp cutoffs and turbulence in air cooling (d) Number of slots per pole pitch. (e) Number of slots magnetically under one pole. (f) Slot frequency as a functio
17、n of the natural frequency of (g) Skewing of atator slots. (h) Skewing of rotor slots.“ Precisian machining of rolleng, rubbing and fitted parts. correction is neoessary for balancing. systems . the magnetic frame. PAGE 8 * Table IV: Delete and substitute: TABLE IV. Minimum material requirements. It
18、em Y -, Brush Caps and oartridge Ball bearing end brackets, terminal boxes, covers, frames, flanges, vee rings, shells, drip covers, baffles, hand hole as access covers itic iron 3 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-TABLE IV. Minimum mat
19、erial reauirements. - Continued -= - yc. Item Material Specification Limitations ,. Iuy Eye bolts Steel I/ 31 Fans Steel Grease Pet raleum MIL-G-18709 Bearings opero Silicone MIL-G-18709 Bearings oper- Al um i num ating at 110 C and below ating at total temperatuge above 110 C Holders, brush Brass b
20、odies, frames, Bronze fingers St eel Cor r QS i an resistant or treated for cor ros ion resistance resistant or treated for oorrosion resistanoe Springs Steel, carbon Corrosion Steel aarrosion Copper- Steel Tensile resistant beryllium Shafts strength not less than 75,000 lb/in2 and longa-. tion not
21、less than 20 per- cent in 2 inches Spider and quills Steel 1/ Studs, brush holder Steel i/ Treated for cor r o s ion resistance Brass Commercial ln- YL. I/nless otherwise indicated In table IV, steel parts may be oast, .w - - )-c 4 a c Provided by IHSNot for ResaleNo reproduction or networking permi
22、tted without license from IHS-,-,-. PAGE 9 3.4.5, line 6: Delete 11400“ and substitute 11601t. PAGE 10 3.4.7.4: Delete and substitute: “3.4.7.4 Mountinpl. The bearings shall be mounted as QQWS: (a) Fixed free method. When the bearings are secured to the shaft by neans of locknuts and lockwashers, th
23、e following requirements shall apply.: (1) One end bearing shall be fixed axially in the housing by suitable housing and end cap shoulders. The axial movements of the shaft shall be not more than 0.010 inch for size 310 and smaller bearings and 0.015 inch for bearings larger than size 310. (b9 Oppas
24、ed shoulder method. When the opposed shoulder method is used, the following information shall be submitted ta the csntracting activity for approval: (19 The initial end play required (to compensate,for (2) The method used to measure end play.“ I thermal expansion differential between shaft and . hsu
25、sing? e 1 tt PAGES 10 and 11 3.4.8, last line: Delete “andn and substitute “end“. PAGE 12 3,4.13.4: Add: Where constant pressure springs are used they shall be such that the brush pressure parallel t? the length of the brush will be auternatioally maintained within 95 to 105 percent of average value
26、 throughout the useful life of the brush.“ 3.4.14, line il: Delete ntranslucentn and substitute “transparent“. PAGE i3 3.4.1fj9 third and fourth sentences: Delete. 3.4.19, last sentence: Delete and substitute: “All motor field coil oonneotions shall be bolted, brazed or soldered oennectians.“ 3.4.22
27、* item (b): Delete, PAGE 15 3.5.2.1: Add new item (q9: lt(q) Wattmeter for generator 0utput.n Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-M-19097B 33 bl m 9999906 0486962 4 m AMENDMENT 3 MIL-Mol 9097B( SHIPS) PAGE 17 Q 3.5.4.7, line 4: Delete
28、 nMIL-C-2174“ and substitute nMIL-C-2212n. 3:5.4.7: Add new item (j): n(j) The number of resistanoe steps in the motor controller shall be sufficient to limit the inrush currents to 150 percent rated upon starting.n 3.5.48: Add new items (f) and (g): “(f) Overvoltage limitation shall be provided as
29、a part of the voltage regulator to protect the equipment against overvoltage due to loss of sensing or failure of aomponents in the voltage regulator. The overvoltage limiting circuit shall sense the generator terminal voltage and limit it by controlling the last stage of the exciter, shauld an over
30、voltage occur. The circuit shall limit the overvoltages between 110 and 130 percent rated. The motor generator shall meet all the requirements of this specification with the overvoltage limit set at any point within its range. The equipment shall not be damaged by overvoltage of 130 percent rated. (
31、g) The voltage regulator shall be snitched from automatic to manual or from manual to automatict while the mator generator is in operation without damage to any components. The motor generator shall be started in manual or in automaticon PAGE 18 3.5.4.9: Add new item (f): .n(f The frequency regulato
32、r shall be switched from automatic to manual or from *manualt to automatic while the motor generator is in operation without damage ta any components. The motor generator shall be started in manual or in aut0matio.n 3.5.4.12: Add: fivoltage arid frequency adjusting rheostats shall be connected so th
33、at turning clockwise increases voltage or frequenoy and turning counterclockwise decreases voltage or.frequencyen 1) 3.5.4.14.2:. Delete. PAGE i9 3.5.4.20, line 6: Delete “motor“ and substitute nmeter“ and line 9, delete “IlSn and substitute “120“. 6 Provided by IHSNot for ResaleNo reproduction or n
34、etworking permitted without license from IHS-,-,-MIL-M-L9077B 33 bL 9 9979906 0q8b763 b m - MIL-M-IgO97B ( SHIPS ) AMENDMENT 3 PAGE 20 3.5.4.22: Add: “The meter full soale range shall be selected such that rated amperes fall within approximately 60 to 80 percent of the full scale range .n PAGE 21 3.
35、7.1, line 2: Delete nMIL-D-963n and substitute “DOD-D-1000“. 3.7.2, line 2: Delete “MIL-D-963“ and substitute WDOD-D-1000“. 3.7.2.2* line 4: Delete NMSL-D-963“ and substitute “DOD-D-1000“. PAGE 24 * 3.7.3.2, line 6: Delete “MIL-C-2174“ and substitute “MIL-C-2212“. PAGE 28 3.7.4, second sentence: Del
36、ete and substitute: nThe dimensions of the technical manual shall be 11-5/8 inches high and 8-3/4 inches wide. Technioal manuals shall oonform ta type I of MIL-M-I5071 and as follows:“. 0 4.1: Delete and substitute: “4.1 Responsibility for inspection. Unless otherwise speoified in the oontract or pu
37、rchase arder, the contractor is responsible for the performance f all inspectian requirements as speoified herein, Except as otherwise specified in the contract or purchase order, the contraator may use his own or any ether facilities suitable for the Performance of the i S m t nspection requirement
38、s speoified herein, unless.disapproved by the Gavern- ent. The Government reserves the right to perform any of the inspections et forth in the specification where such inspections are deemed necessary o assure supplies and services conform ta prescribed requirements.“ PACE 29 4.2.1.1* line 13: Delet
39、e nSpecification MIL-E-22843“ and substitute “MIL-STD-740“ 7 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-M-L9097B 33 61 999Ob 0486764 8 - M MIL-M- 19097B(SHIPS) AMENDMFINT 3 c m B w O m 3 o, .o cl c, P B n a E a 3 n“ o, ri x 4, h %i W 4, n I
40、XWXPCX ww w XXX pe I X# I c MW xww X#X# I c- FF . I Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-il-19097B 33 61 9999906 Oi486965 T I e a k o MIL-M- 19097B(SHIPC) AMENDMENT 3 MKX XX x x KXM x w x MX w 9 Provided by IHSNot for ResaleNo reproduc
41、tion or networking permitted without license from IHS-,-,-MIL-M-I9097B 33 61 9 9999906 8486966 I MIL-M-190978 (SHIPS) AMENDMENT 3 E PAGE 32 4.6.8.1.1, lines 3 and 4: Delete nSpecificatian MIL-E-22843It and aubatitute “MIL-STD-740“. 4.6.8.2.1, lines 4 and 5: Delete NSpecification MIL-E-22843“ and aub
42、atitute nMIL-STD-740n. 4.6.8.2.2, line 4: Delete “Specification MIL-E-22843“ and substitute “ M IL4 TD=7 4 O“ PAGE 33 4.6.13.2.1, lines 4 and 5: Delete nSpecificatlan MIL-E-22843“ and substitute nMIL-STD-740n . 4.6.13.2.2, linea 4 and 5: Delete “Speoification MIL-E-22843n and aub8titUte “MXL-STD-740
43、“. PAGE 34 4.6.18, itam (b)(4), lins 8: Baleta “4.6.8“ and substitute “4,6*18(b)(10)“* PAGE 35 * 4.6.18, item (d), line I: Delete n8Ckn and substitute nshockn. 4.6.19, item (a), lins 1: Delete “rated frequenoyn and substitute “nominal voltagen. PAGE 37 4.6.26: Add! “The motor generators shall be par
44、alleled 180 degrees out of pham ta demonatrate oomplianoe with 3.2.28(b)n. PAGES 37 and 38 4,6.27: Delete aad substitute: =4.,6.27 Short oirauit oharaataristios. The sustained short oircuit ourrent ahall be aieasured by mean8 of an ammeter and osafllograph ta determine oemplianoa with 3.2.27. When a
45、aniputing the I t value the steady state ourrent nensured with the ammeter shall be used, the time shall start when the ourrent reaohss ita steady atate value, When the oirauit breakers &re furniahe by the ooatraoter. the test shall be oanducted with the airouit breaker looked in ta prevent tripping
46、 during the test. There shall be ne evidenoe of smoking, burning er burning odor as a result of this test The voltage shall automatioallg return to within the regulation band liarita when the short oiraut is removed. Osofllagrams of the fault current and veltage shall be taken.“ 10 I I Provided by I
47、HSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,- MIL-M-19077B - 33 bl m 7997906 0486767 = 3 -ML-M-I9097B(SHIPS) AMENDMENT 3 PAGE 40 Add new paragraph 4.6.38: “4.6.38 Overvoltage limitation. Overveltage limitation features shall be tested as follows: A component f
48、ailure shall be simulated (by adjusting the rheostat, opening the sensing leads, opening acontral or bias lead, or some other means) to show that the voltage will be limited to a value within the overvoltage range. Voltmeter readings and oscillograms shall be taken of the output voltage to determine
49、 compliance with 3.5.4.8(f). The motor generator shall be operating at nominal input voltage rated output valtage and frequency and 50 percent rated load befare the test. There shall be no damage to the equipment as a result of these tests.“ 5.1, line 5: Delete “MIL-E-22843lf and substitute MIL-E-16298fi. 5.5* line 2: Delet
