Forthcoming and Online First Articles

International Journal of Powertrains

International Journal of Powertrains (IJPT)

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International Journal of Powertrains (2 papers in press)

Regular Issues

  • Loss Assessment and Experimentation of Gallium Nitride based Integrated Charger for Electric Vehicles   Order a copy of this article
    by Kundan Kumar 
    Abstract: The research on electric vehicles (EVs) and their charging infrastructure are advancing very fast and the adoption of EVs can reduce the burden of fossil fuels, results in a green and healthy environment. The compact sizing and design of an efficient charging system are the major concerns that can be addressed by implementing an onboard integrated charger. The integrated charger works in two modes: the first one is charging mode when the vehicle is in a stationary position while the second one is the propulsion mode in which the vehicle is in motion. In this work, an integrated charger is explored using gallium nitride (GaN)-based semiconductor devices for propulsion as well as charging modes. Further, a scaled-down prototype of 400-watt GaN-based integrated charger is tested for both modes. The various performance results and efficiency of the integrated charger are presented. It is observed that the efficiency of the GaN-based integrated charger is on an average of 45% higher than Si and 23% higher than SiC which shows the dominance of GaN.
    Keywords: efficiency; gallium nitride; integrated charger; MOSFET; power losses; propulsion drive; silicon; silicon carbide.
    DOI: 10.1504/IJPT.2024.10061623
     
  • Demand Response based Dynamic Economic Load Dispatch in a Microgrid with Modified Red Deer Algorithm   Order a copy of this article
    by Pothula Jagadeesh, Asapu Siva, Srinivas Nakka, Mohamed Thameem Ansari M 
    Abstract: On-site generation microgrids may be a viable option for powering remote areas without grids. These microgrids differ from electricity grid-connected ones. Microgrids without main grid connections employ the same energy management technologies as those connected, including economic dispatch and unit commitment modules. Dynamic economic load dispatch (DELD) in isolated microgrids is the study's goal. These microgrids use load shedding as a last resort to balance supply and demand, allowing responsive loads and renewable electricity to be curtailed. The quantity of electricity made by dispatchable distributed generators (DGs), power cut by renewable DGs, power shed, and demand cut are determined for each time period. The well-known modified red deer optimisation (MRDO) approach is utilised to solve the DELD problem. In a microgrid with two renewable DGs and four dispatchable DGs, MRDO beats PSO, and demand response considerably lowers microgrid maintenance costs.
    Keywords: microgrid; MG; particle swarm optimisation; PSO; demand response; modified red deer optimisation; MRDO; economic load dispatch.
    DOI: 10.1504/IJPT.2024.10063152