USING UNUSUALLY LARGE VOLTAGE VARIATION 73 



COMPARISON OF THE OPERATION OF A LINE AT A GIVEN 

 HEAVY LOAD, WITH AND WITHOUT SYNCHRONOUS MOTORS 



Let the line be the same as the varying-voltage line 

 of Example III, Chapter X. Length, 60 miles; one 

 3 -phase circuit; frequency, 60 cycles; conductor, No. 

 ooo copper cable; spacing, 7 feet effective; reactive drop 

 in transformers at each end, 5 per cent. 



