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Browsing University of Hertfordshire by Author "De Winter, F.A."
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A dual GTO current source converter topology with sinusoidal inputs for high power applications
Xiao, Y.; Wu, B.; De Winter, F.A.; Sotudeh, R. (Institute of Electrical and Electronics Engineers (IEEE), 1997)A dual GTO current source converter topology with sinusoidal inputs is proposed for high power applications. The sinusoidal input current is realized by using PWM techniques to eliminate 11th and 13th harmonics and a ... -
A dual GTO current-source converter topology with sinusoidal inputs for high-power applications
Xiao, Y.; Wu, B.; De Winter, F.A.; Sotudeh, R. (1998)A dual gate-turn-off thyristor current-source converter topology with sinusoidal inputs is proposed for high-power applications. The sinusoidal input current is realized by using pulsewidth modulation techniques to eliminate ... -
High power GTO AC/DC current source converter with minimum switching frequency and maximum power factor
Xiao, Y.; Wu, B.; De Winter, F.A.; Sotudeh, R. (Institute of Electrical and Electronics Engineers (IEEE), 1996)This paper presents a unique PWM switching pattern and a novel power factor control scheme for high power GTO ac/dc converters. This switching pattern has a switching frequency of 360Hz, which is the lowest possible frequency ... -
A multilevel buck converter based rectifier with sinusoidal inputs and unity power factor for medium voltage (4160-7200 V) applications
Zhang, M.L.; Wu, B.; Xiao, Y.; De Winter, F.A.; Sotudeh, R. (2002)A novel rectifier topology for high power (0.5 to 10 MVA) current source based ac motor drives is proposed. This rectifier is composed of a multi-winding transformer, a multi-level diode rectifier and a modified multi-level ...