1、MIL-G-21480/17A bL m 77777Ob 0088105 m MIL-G- 2i480/ l7A( AS) 30 MAY 1980 SUPERSEDING UIL-G-21480/ 20 DEC 1974 17(AS) MILITAKY SPELiFICATION SHEET bEHERATING SYSTEP. 20 :VA. 400 HERTZ ALTERNATING CURRENT. INTEGRALLY LACITED. iiiSHLESS I“E CWPLETE REQUIREHEhTS FOR PROCURING THE GENERATOR DESCRIBED HE
2、RE- SN SHALL CMiSIST OF THIS DOCINENT .d3 THE ISSLE IN EFFECT OF PIL-G-21480. RECEPTACLE TOMATE WITH YS3126E- 10-65 SHAFT CONFORMING TO MS14169 FOR 3/4 -INCH SIZE. PLASTIC BUSHING CONFORMING TO YS14169 FOR 3/4-INCH SIZE SHALL BE FURNISHED WITH GENERATOR. AIR INLET IN VIEW “A k-3.lB8i.0474 12.188 f.1
3、25 ROTATION F MOUNTING FLANGE CONFORMING TO MSlBO16 SIZE EXCEPT FOR 5-INCH SHAFT. LIIR INLET MAY BE ROTATED IN INCREMENTS OF 60. FREE END MOUNTING END GENERATOR (M21480/17-1) Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-,327 -c MAX .l80 voltage mo
4、dulation O to 1.0 P.U. load shall be 0.75% maximum.“ 4.5.6 Exciter polarity reversal test. Delete. Table I - Test Methods. Delete requirement for Exciter Polarity Reversal Test (4.5.6) under Generator Acceptance Tests. 4.5.13 Waveform. The limits of 3.5.4 shall apply. 5 o Provided by IHSNot for Resa
5、leNo reproduction or networking permitted without license from IHS-,-,-4.5.23.1.1 Generator (Vibration). The amplitude of vibration monitored at the free end of the generator shall be limited to 25 gs. The resonant frequency shall be greater than 190 Hz as determined by Pro- cedure VI1 of MIL-E-5272
6、. 4.5.23.1.2 Control components (Vibration). Delete requirements above 500 Hz. 4.5.23.2 Acceptance test. Delete. Maximum pressure drop. Change “400 + 15 inches“ to - 4.5.28 “200 -+ 15 inches“. - 4.5.32 Vast compatibility demonstration. Delete. 4.5.33 Delete. Reliability and maintainability testing (
7、Air Force). 4.5.33.1 Delete. 4.5.33.2 Delete. NOTES : 1. Dimensions in.inches. Tolerances: + .O3 inches unless otherwise - specified. 2. All outline dimensions are limiting dimensions only. Preparing Activity: NAVY - AS Project No. 61 15-N454 6 Provided by IHSNot for ResaleNo reproduction or network
8、ing permitted without license from IHS-,-,-_ MIL-G-21480/17A 61 W 7777706 OOL11 3 W MIL-G-21480/ 17A(AS) PRESSURE ALTITUDE - 1000 FEET . 4:4 5.6 6.8 -8.3 10.0 12.3 STATIC OUTLET PRESSURE I PSIA FIGURE 1 - GENERATOR RATING CHART Air inlet configuration: Radial Rated load: 20 KVA at 0.75 PF Speed: 8,0
9、00 RFM Phases: Three Rated Airflow level) : (Self-cooled at sea Seven LB/MIN. L. 400 300 12“ 200 8“ 150 4“ o* 3 100 c: 80 : IL K 70 o W eo 5 so 40 i a 30 W 20 15 IO O IO 20 30 40 50 80 2 70 -I 80 n a io0 5 110 2 120 O E 90 w W 130 140 150 180 170 IBO 190 a IO 2 7 OC 20% ooc U O 55%: 5 a K w I W I- w -I H 0: a Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-FIGURE 2 - Limits of Potential *US GOVERNMENT PRINTING OFFICE 1980 - 603.121/2912 8 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
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