CHAPTER III. MECHANICAL RECTIFICATION. 229 

9. Phenomena during reversal, and types of mechanical rec- 

tifiers. 229 

10. Single-phase constant-current rectification: compounding 

of alternators by rectification. 231 

11. Example and numerical calculations. 233 

12. Single-phase constant-potential rectification: equations. 236 


xviii CONTENTS. 

PAGE 

13. Special case, calculation of numerical example. 239 

14. Quarter-phase rectification: Brush arc machine. 

Equations. 242 

15. Calculation of example. 246