This study aims to address the feasibility of planned islanding operation and to investigate the effect of unplanned islanding using the master-slave islanding method for controlling the distributed generation units d...This study aims to address the feasibility of planned islanding operation and to investigate the effect of unplanned islanding using the master-slave islanding method for controlling the distributed generation units during grid-connected and islanding operation. Neplan desktop power simulation tool was used for the modelling and simulation of a realistic MV network with four different distributed generation technologies (diesel, gas, hydro and wind) along with their excitation and governor control systems, while an exponential model was used to represent the loads in the network. The dynamic and steady state behavior of the four distributed generation technologies were investigated during grid-connected operation and two transition modes to the islanding situation, planned and unplanned. The obtained results that validated through various case studies have shown that a suitable planned islanding transition could provide support to critical loads at the event of electricity utility outages.展开更多
The paper shows several typical arrangements and functions of LV distribution in various power plants and analyses of electromechanical dynamic behavior with NEPLAN simulator. The paper was created on the basis of res...The paper shows several typical arrangements and functions of LV distribution in various power plants and analyses of electromechanical dynamic behavior with NEPLAN simulator. The paper was created on the basis of research project Permanent Prosperity （2A-1TP1/139）-Safety aspects of advanced nuclear reactors in support of Ministry of Industry and Trade of the Czech Republic.展开更多
文摘This study aims to address the feasibility of planned islanding operation and to investigate the effect of unplanned islanding using the master-slave islanding method for controlling the distributed generation units during grid-connected and islanding operation. Neplan desktop power simulation tool was used for the modelling and simulation of a realistic MV network with four different distributed generation technologies (diesel, gas, hydro and wind) along with their excitation and governor control systems, while an exponential model was used to represent the loads in the network. The dynamic and steady state behavior of the four distributed generation technologies were investigated during grid-connected operation and two transition modes to the islanding situation, planned and unplanned. The obtained results that validated through various case studies have shown that a suitable planned islanding transition could provide support to critical loads at the event of electricity utility outages.
文摘The paper shows several typical arrangements and functions of LV distribution in various power plants and analyses of electromechanical dynamic behavior with NEPLAN simulator. The paper was created on the basis of research project Permanent Prosperity （2A-1TP1/139）-Safety aspects of advanced nuclear reactors in support of Ministry of Industry and Trade of the Czech Republic.
