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In this paper, single-phase control rectifier using single-phase matrix converter with reduced switch count is proposed. The proposed method is able to perform AC-DC converter operation using only six switches as perform by conventional single-phase matrix converter that uses eight main switches. The PWM technique was used to calculate the switch duty ratio to synthesize the output. Switch commutation...
This paper proposes an implementation of a new safe-commutation strategy for controlled rectifier operation using single-phase matrix converter (SPMC). The Pulse Width Modulation (PWM) technique was used to calculate the switch duty ratio to synthesize the output. The proposed safe-commutation strategies were developed through an arrangement of commutation switches that allows dead time to avoid voltage...
This paper presents an implementation of controlled rectifier with power factor correction (PFC) using single-phase matrix converter (SPMC). A current control loop (CCL) using standard proportional integral control was used to implement PFC to correct the pulsating nature of the input current to almost unity power factor form with low total harmonic distortion (THD) level well below the acceptable...
This paper describes implementation of safe-commutation switching sequence for controlled rectifier operation of single-phase matrix converter (SPMC). Pulse width modulation (PWM) technique was used to calculate the switch duty ratio to synthesize the output. The switching sequence is arranged by providing a continuous path for current flow during switch transition to avoid voltage spikes due to the...
A new single-phase controlled rectifier using single-phase matrix converter (SPMC) with fully controllable regenerative capabilities is presented. PWM technique was used to calculate the switch duty ratio to synthesize the output. Safe commutation strategy was implemented to avoid voltage spikes due to inductive load. Selected simulation and experimental results are presented to verify proposed operation.
This paper presents the applications of single-phase matrix converter (SPMC) as an AC-DC controlled rectifier. For basic operation the multiple-PWM technique was used to calculate the switch duty ratio to synthesize the output. Safe commutation strategy was developed to avoid voltage spikes due to inductive load. Active current wave-shaping technique are also proposed to ensure that the supply current...
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