Bulletin . e transformer grad-ually becomes sjonmetrical in reference to the zero line, while the mag-netizing current creeps up to a line which is symmetrical in respect tothe primary current. The reactance of the secondary, X2, as has previously been indicated,contains two factors, X2 and x2, of which Xi represents that portion ofthe flux that interlinks with the primary coil, and x2 represents thatportion of the flux that does not interlink with the primary coil, and isknown as leakage reactance. X2 and ZM hold a definite relation to eachother, which ratio, is that of the secondary turns 2V
Bulletin . e transformer grad-ually becomes sjonmetrical in reference to the zero line, while the mag-netizing current creeps up to a line which is symmetrical in respect tothe primary current. The reactance of the secondary, X2, as has previously been indicated,contains two factors, X2 and x2, of which Xi represents that portion ofthe flux that interlinks with the primary coil, and x2 represents thatportion of the flux that does not interlink with the primary coil, and isknown as leakage reactance. X2 and ZM hold a definite relation to eachother, which ratio, is that of the secondary turns 2V2 to the primaryturns N1. The transformation ratio of the transformer for zero second-ary impedance is that ratio of the mutual inductive reactance XM to thetotal secondary self inductive reactance X2, which ratio can only beconsidered equal to the ratio of the respective turns in so far as x2 canbe neglected in comparison to Z2. The resistance in the secondary cir- Anderson-Woodrow—Series Transformers 31. CURRENT IN PRIMARY COIL («,)CURRENT IN SECONDARY COIL (i2)
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