ALTERNATING 
GENERATORS AND SYNCHRONOUS MOTORS. 
107 
TABLE 15. 
E.M.F. 3 500 3 090 2,500 2 000 
Armature Flux. 1.56 x 106 1 34 x 10° 1.12 x 10° 0.9 x 104 
Field Flux. 2.37 x 10° 2.04 x 10°} 1.70 x 10° | 1,36 x 108 
3 :| Cast Iron. EI 
3 [as Sa] 7,460/11.5 | 6,400/10| 5,330] 8 | 4260] 6.5 
= | 2 | 160 Sq. Ins. | 3 
e 38 
“ | 25/004” Sheet. | £5 
¢ 1 gs -| © | 116.000} 240 | 100,000] 90 | 83,250/40 | 66,600 | 22 
3 © | 20.5 Sq. Ins. | 3 
3 =a 
= 4 | 0.02’ Sheet. | 22 
e | 3 5 | 90,000] 50 | 77,000} 30| 64,100}21 | 51,300] 13 
= | & |17.5Sq. Ins. | of 
g R£ 
> ro) oo ae | a pee 
= | 25| 0.02” Sheet $3 
ae be 8 wo | 26,100} 4.6 | 22,400] 4/18,700/ 3.4] 15,000] 2.6 
a 30 Sq. Ins. | 3 
| 3 | 22 6 
4 | ak 69 60 48 39 
s | Bm 
e i . 
& a 
re es : 
® 
2/¢8 7.37 . 1,760 663 295 162 
oe) q 
© ad 
3 re) 
M4 nm 
® | 3 2.16 F 108 65 45 28 
a | é B 
a: 5 
2 Bs a 
a | $5 5.5 E 25 22 19 14 
a | 5° 
< 
26 ; 
To ee 4,060 3,500 2 920 2,340 
10+ 
Total Ampere ‘vurus por ure. 6,022 4,310 3 327 2,583 
