November 2016
Intermediate to advanced
1008 pages
27h 59m
English
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5.2. Three-Phase Half-Wave Thyristor Rectifier
Fig. 5.11(a) presents the power circuit of the three-phase half-wave or sometimes called common-point controlled rectifier. The average output voltage is controlled by the thyristors firing angle. Fig. 5.11(b) presents the waveforms of the under examination rectifier when α = 30° and the output current is assumed to pure dc of 
value. As can be seen from Fig. 5.11(b) each thyristor conducts for one-third of the input voltage period. If the thyristors were replaced by diodes, then the diodes will start conducting at angle ωt = 30° in relation to their corresponding phase voltages van, vbn, and v
value. As can be seen from Fig. 5.11(b) each thyristor conducts for one-third of the input voltage period. If the thyristors were replaced by diodes, then the diodes will start conducting at angle ωt = 30° in relation to their corresponding phase voltages van, vbn, and vBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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