. A text-book of electrical engineering;. = 32-5 cm. Diameter of rotor £) = 90 cm. The double air-gap Z, = 0-15 cm. Total number of stator conductors ...Z^ = 2016. Combined length of a stator and rotor tooth = 6 of tooth pitch to tooth width ... =2-5. From these data we get the following: 3300 Pressure per phase Fj = ^^ = 1910 volts. •V3 7 Conductors per phase 2^=—1=672. 7 Conductors per pole per q = —5- = 56. Polar area ^„ = !?^jj^ = ^6^ Let Oo be the total flux per pole produced by the stator at no-load,Since the pressure per phase F^ is almost exactly equal and opposite to
. A text-book of electrical engineering;. = 32-5 cm. Diameter of rotor £) = 90 cm. The double air-gap Z, = 0-15 cm. Total number of stator conductors ...Z^ = 2016. Combined length of a stator and rotor tooth = 6 of tooth pitch to tooth width ... =2-5. From these data we get the following: 3300 Pressure per phase Fj = ^^ = 1910 volts. •V3 7 Conductors per phase 2^=—1=672. 7 Conductors per pole per q = —5- = 56. Polar area ^„ = !?^jj^ = ^6^ Let Oo be the total flux per pole produced by the stator at no-load,Since the pressure per phase F^ is almost exactly equal and opposite to the 119. The Effect of the Iron in the Magnetic Path 383 induced electromotive force E^, we can apply formula (145) found on p. 297for coil-windings, viz. Fi = £1 = 2-120)0-A-^i-10-8. Hence 0)0 = 1910. 10 2-69. 10®. 2-12 . f-^.Z-l If we assume that 2 per cent, of this flux is lost in leakage and that 98per cent, of it passes through the rotor, the flux O in the latter will be O = o-980o = 2-64. io«. Statoi^. onn oiiinju Rotor -t- -4- -+-
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