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In this paper, a novel method for designing Buck chopper controller based on adaptive backstepping is presented. This method is based on accurate modeling of converter considering effect of circuit parasitic elements, better modeling of semiconductor switches and assuming equivalent series resistance of inductor. Also, during controller design process, all the parameters existing in model assumed...
Recent faster and more frequent train service at Tokaido Shinkansen makes it difficult to stabilize the feeding voltage only by compensating reactive power. Therefore, the active power compensation between two phases has been introduced for further stabilization of the voltage, and the converter control strategy called ??fixed power-factor method?? was applied in the commercial operation that started...
This paper presents the EL modeling of the four-wire 3-level 3-phase NPC voltage source rectifier (VSR). The load current of the four-wire 3-level 3-phase could be expressed in two forms: the load current involving the current of capacitor C1, and the load current involving the current of capacitor C2. So that two EL models will be obtained for four-wire 3-level 3-phase NPC voltage source rectifier...
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