A new voltage control strategy of distribution static compensator(DSTATCOM)has been proposed in this paper for electric grid applications.The proposed control scheme combines two methods of DSTATCOM operation to impro...A new voltage control strategy of distribution static compensator(DSTATCOM)has been proposed in this paper for electric grid applications.The proposed control scheme combines two methods of DSTATCOM operation to improve its performance.Considering power factor and voltage magnitude as degree of freedom,the DSTATCOM provides features such as mitigation of voltage and current harmonics,balancing of source currents,improvement of power factor,voltage regulation during voltage sag and swell,reduction in inverter losses,and control of load power to achieve energy conservation.The performance of proposed DSTATCOM control is better as compared to its conventional operation at any time of operation.PSCAD simulation and experimental results validate the performances.展开更多
Hydrogen has emerged as a promising energy source for low-carbon and sustainable mobility purposes.However,its applications are still limited by modest conversion efficiency in the electrocatalytic oxygen reduction re...Hydrogen has emerged as a promising energy source for low-carbon and sustainable mobility purposes.However,its applications are still limited by modest conversion efficiency in the electrocatalytic oxygen reduction reaction(ORR)within fuel cells.The complex nature of the ORR and the presence of strong electronic correlations present challenges to atomistic modelling using classical computers.This scenario opens new avenues for the implementation of novel quantum computing workflows.Here,we present a state-of-the-art study that combines classical and quantum computational approaches to investigate ORR on platinum-based surfaces.Our research demonstrates,for the first time,the feasibility of implementing this workflow on the H1-series trappedion quantumcomputer and identify the challenges of the quantum chemistry modelling of this reaction.The results highlight the great potentiality of quantum computers in solving notoriously difficult systems with strongly correlated electronic structures and suggest platinum/cobalt as ideal candidate for showcasing quantum advantage in future applications.展开更多
文摘A new voltage control strategy of distribution static compensator(DSTATCOM)has been proposed in this paper for electric grid applications.The proposed control scheme combines two methods of DSTATCOM operation to improve its performance.Considering power factor and voltage magnitude as degree of freedom,the DSTATCOM provides features such as mitigation of voltage and current harmonics,balancing of source currents,improvement of power factor,voltage regulation during voltage sag and swell,reduction in inverter losses,and control of load power to achieve energy conservation.The performance of proposed DSTATCOM control is better as compared to its conventional operation at any time of operation.PSCAD simulation and experimental results validate the performances.
文摘Hydrogen has emerged as a promising energy source for low-carbon and sustainable mobility purposes.However,its applications are still limited by modest conversion efficiency in the electrocatalytic oxygen reduction reaction(ORR)within fuel cells.The complex nature of the ORR and the presence of strong electronic correlations present challenges to atomistic modelling using classical computers.This scenario opens new avenues for the implementation of novel quantum computing workflows.Here,we present a state-of-the-art study that combines classical and quantum computational approaches to investigate ORR on platinum-based surfaces.Our research demonstrates,for the first time,the feasibility of implementing this workflow on the H1-series trappedion quantumcomputer and identify the challenges of the quantum chemistry modelling of this reaction.The results highlight the great potentiality of quantum computers in solving notoriously difficult systems with strongly correlated electronic structures and suggest platinum/cobalt as ideal candidate for showcasing quantum advantage in future applications.
