208 ALTERNATING GENERATORS AND SYNCHRONOUS MOTORS. 
of two phase two open windings; KVA. = 3E X C. in the. 
case of three phase, star winding. 
NUMBER OF POLES: aehdse be, == 2p. 
N 
yY D, x 7 x N 
PERIPHERAL SPEED: V = 12 3 
DX 
POLE PITCH: T = ———. 
2p 
Pp a 
OLE ARC RATIO: Dx 
xp 
Dxz 
ae he 
NUMBER OF SLOTS PER POLE AND PHASE: ———. 
m X 2p 
ae aan OF 
SLOT CAPACITY : 5 ; 
SLOT PITCH: @== 
NUMBER OF ARMATURE AMPERE CONDUCTORS: m X Z X C, 
mxZxC 
Dxz 
THE FUNDAMENTAL EQUATION OF USEFUL FLUX: 10° X E =~ 
Const.x nX ZX F,. 
PERIPHERAL DENSITY: 
F a 
THE EFFECTIVE TEETH SECTION: ZB. <= 5 rxlx 0.9. 
4 
7 Anse Dxilx N 
HE OUTPUT COEFFICIENT : —_ 
KV A. 
F 
THE ARMATURE CORE SECTICN : s 7 —~kxX tx D9, 
a 
THE FIELD FLUX: F,= 6 X F,. 
i 
F 
THE POLE CORE SECTION: = = 0 Xf X 0.95. 
By 
F, 
THE WHEEL RIM SECTION: > = g Xh. 
2B, 
0 313 
THE GAP RELUCTANCE: 1%) = sag 
lxa (u —) 
axrxl eae Ty) 
voxd ©  o(u+é) 
