RECTIFIERS: THE SYXCIIKO > \ YKKTER 



361 



Owing to the arcing ami burning of sliding contacts, the use of 

 transformer taps is not common for adjust ment during operation. 

 Tin- use of taps for fixed adjustment of voltage is, however, 

 common. 



Split-pole Converter. The split-pole converter is based on the 

 following principle: 



The total direct-current electromotive force generated depends 



M()-k\v.. intrri.ol.-fypc, synchronous ronvrrtrr 

 with >-yri< i hn>iioua boost* 



on the total flux between !>ruslie>. iireepeotiv !' the manner 

 in which this flux i- di>t rilmlrd. The aliernating eleet romol ive 

 fore.' d.-pcnd- on the i',,nn <!' the flu\ wave, as well as on the 

 total flux. Therefore, it the di-tril>utioii <.f the flux be altered 

 without eh;n il value, the alternating elect n .nmt ive 



fore<- ni;r ,| iii value, but the direct -current electromotive 



will not be 



