SYNCHRONOUS GENERATORS 



317 



XLV 



WHEEL-DRIVEN GENERATORS. 



tion, 11,000 volt is also standard for 60 cycles, and 13,200 volt 

 for 25 cycles. 



When a generator is wound for 240 volts it does not necessarily 

 follow that it may be reconnected for 480 volts; and, vice versa, a 

 480-volt machine cannot always be reconnected to 240 volts by 



