1. 
   Cycloconverter
   A cycloconverter or a cycloinverter converts an alternating current (AC) waveform, such as the mains supply, to another AC waveform of a lower frequency, synthesizing the output waveform from segments of the AC supply without an intermediate direct current (DC) link ({harvnb|Dorf|1993|pp=2241–224...
   Found op http://en.wikipedia.org/wiki/Cycloconverter
   
   
2. 
   cycloconverter
   a direct frequency converter NOTE 1 - By creating an alternating voltage from successive waves of the higher frequency a.c. system the cycloconverter provides a lower output frequency. NOTE 2 - By creating an alternating voltage from successive voltage samples of suitable frequency and duration the ...
   Found op http://www.electropedia.org/iev/iev.nsf/display?openform&ievref=551-12-23
   
   

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