100 



90 



80 



E 70 



60 



?. 50 



40 



30 























-^ 



Three Phase 



1 1 





/■ 





^^ 









-■■ 







/ 



A 



^ 





Sin 



gle Phase 



1 



f 















/ 





























10 20 30 40 50 60 



Actual DC Operating Voltage 



70 



Figure l6. Efficiency vs. operating voltage for full wave silicon 

 rectifiers. (After U. S. Army Corps of Engrs , 1962 ) 



45 



