290 APPENDIX C 



MACHINE No. i. (Installed under the old system.) 

 Motor: Class, 10-530-720. 



Volts, 4400. 



Amperes, 73 per phase. 

 Exciter: Class, 6-7-720. 



Volts, 125. 



Amperes, 56. 



Generator: 500 KW. direct-connected. 

 MACHINE No. 2. (Installed under the new system.) 

 Motor: Class, 10-700-720. 



Volts/ 4400. 



Amperes, 92. 



Power-factor, 0.80. 

 Exciter: Class, 6-8-720. 



Volts, 125. 



Amperes, 64. 

 Generator: 500 KW. direct-connected. 



It will be noticed that the motors of the new machines are larger, 

 and are specified to operate at 80 per cent power-factor. This was 

 necessary to allow for over-excitation in the case of machines of 

 recent design. The old machines, however, will stand considerable 

 over-excitation, because the design of motors was formerly more 

 liberal in overload capacity. 



A. A. M. 



