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In this paper, an autotransformer based 36-pulse AC-DC converter fed vector controlled induction motor drives (VCIMD's) is presented for reduction of harmonic-currents. A 36-pulse converter is realized using a specially designed autotransformer and two 18-pulse diode bridge rectifiers. The effect of load variation on VCIMD is also studied to demonstrate the effectiveness of the proposed AC-DC converter...
In this paper, a novel 36-pulse AC-DC converter is designed, modeled and simulated using pulse multiplication in an 18-pulse AC-DC converter using DC ripple re-injection technique. The proposed technique is suitable for large current rating rectifiers such as electrowinning, electrochemical processes, induction heating, plasma torches, etc., where isolation is required mainly for stepping down the...
In this paper, a novel transformer for 36-pulse AC-DC conversion is designed, modeled and developed to feed isolated varying DC loads. The proposed transformer is normally used for large current rating rectifiers such as electric-aircraft power supply, electrowinning, electrochemical processes, induction heating, drives, plasma torches, etc., where isolation is required mainly for stepping down the...
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