252 



ALTERNATING CURRENTS 



the Westinghouse starting compensator, two coils are mounted 

 on the two outer legs of a transformer core, Fig. 239 (a), very 

 similar to the core used for three-phase core-type transformers 

 (see page 205, Fig. 194 (6)). On starting, these two coils are 



FIG. 239. V-connected starting compensator. 



connected in V across the line and two motor taps are taken off 

 as shown in Fig. 239 (6). The motor is thus supplied at a re- 

 duced three-phase voltage. When the starting handle is placed 

 in the running position, the two motor taps are connected directly 



