Journal of Power Electronics

The Korean Institute of Power Electronics (전력전자학회)
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One cycle controlled three input three output DC to DC converter

  • Rani, P. Hema (National Institute of Technology) ;
  • Behera, Arun Kumar (National Institute of Technology) ;
  • Sundar, Shyam S. (Indian Institute of Science) ;
  • George, Saly (National Institute of Technology) ;
  • Ashok, S. (National Institute of Technology)
  • Received : 2021.04.26
  • Accepted : 2021.10.26
  • Published : 2022.01.20
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Abstract

A single renewable source is insufficient for providing a reliable and continuous power supply. The multi-input DC to DC converter (MIDC) provides for the hybridization of different energy sources with a single output. Various grid voltages exist and different applications require different DC voltages. If the MIDC provides multiple outputs, it becomes a multi-input multi-output (MIMO) converter. In this paper, a triple input triple output (TITO) DC-DC buck-boost converter is proposed for voltage regulation and power management. It combines the feature of multi-input and multi-output. The proposed converter consists of only one inductor, which reduces the number of active elements. A control circuit with a one-cycle control strategy is proposed to achieve this objective. A fixed ratio power management strategy is proposed for power management. The rising edge synchronization PWM method is realized as a suitable switching strategy for the converter. To design the compensator for the converter control system, a small signal model of the converter is developed. A PI controller is used to regulate the output voltage and the one cycle control (OCC) technique is used for current control. The operating characteristics of the proposed converters are validated by hardware results obtained from an Opal-RT real-time simulator.

Keywords

References

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