303 



three-phase System. Ordinarily, the teaser winding would be 

 tupped to point 6", the center of the main converter winding. 

 For convenience, however, the teaser winding is tapped to point 

 c'. the center of the transformer winding instead. Under balanced 

 conditions, however, r' and //' are at practically the same poten- 

 tial, so that as far as voltages are concerned, connecting the 

 teaser winding to c' is equivalent to connecting it to b". 



121. The Repulsion-induction (R I) Motor. This motor is 

 similar in principle to the simple repulsion motor of Fig. 268, 



Termini .li 



Terminnlji 



Main 

 Starting 

 \Vinding, 



Compensator 

 Bruah 



Muiu Bruah 



Compensating 

 Brush 



282. Gem-nil KIr.-tri.- rovcrsil.lr 

 motor. 



Compensating 

 Winding 



indii- ' with in.]. 



rooit 



1 that a Compensating winding i- u-.-d.-upplied by 



auxiliary hru>he> at right angle.-, to the main 1 .rushes, as shown in 



81. To reverse tin- moior. an auxiliary winding he is 



lee lo the main winding. The points 



band care interchanged Forreve Thi^ motor ha> a 



tonpie ,,f from i?no to :_>:><} p.-r cent, full-load torque and has a 

 drooping speed ch limilar t" that <i a compound, 



