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This paper presents the implementation of novel bridge type solid-state fault current limiter wit... more This paper presents the implementation of novel bridge type solid-state fault current limiter with use of single series reactor acts as AC and DC reactor. The proposed scheme uses uncontrolled and semi-controlled power electronics switches bridge rectifier with the reactor. The reactor used works as dc in normal condition and ac in a fault condition. The advantages of this proposed scheme over other fault current limiter are reactor inserts negligible impedance during normal operation and insert high impedance during fault operation and other one is simple switching. When there no fault or in the pre-fault condition it operates in dc mode and in fault condition it operates in ac mode. The switching decreases transient recovery voltage and inserts large impedance during fault period. MATLAB/Simulink software is used for simulation of the proposed BSSFCL.
DGs have been a major component in addressing environmental, technological, and economic concerns... more DGs have been a major component in addressing environmental, technological, and economic concerns throughout the history of power system development. The usage of DGs based on renewable energy supplies has decreased climate change worries substantially. Furthermore, the stability of DGs at consumption sites might provide some of the load from these resources, resulting in lower power transmission system loads and losses. The rising interest in pooling renewable energy resources in power microgrids poses a significant challenge in terms of power system reliability and control. In the recent decade, the subject of microgrid autonomous control has gotten a lot of attention. For islanded microgrids, a hierarchical control method can be used as the power system control architecture. Various approaches for hierarchical microgrid control have been explored thus far. The most up-to-date main control approaches for autonomous microgrid operation are described in this study. Index Terms – Vol...
This paper presents the implementation of novel bridge type solid-state fault current limiter wit... more This paper presents the implementation of novel bridge type solid-state fault current limiter with use of single series reactor acts as AC and DC reactor. The proposed scheme uses uncontrolled and semi-controlled power electronics switches bridge rectifier with the reactor. The reactor used works as dc in normal condition and ac in a fault condition. The advantages of this proposed scheme over other fault current limiter are reactor inserts negligible impedance during normal operation and insert high impedance during fault operation and other one is simple switching. When there no fault or in the pre-fault condition it operates in dc mode and in fault condition it operates in ac mode. The switching decreases transient recovery voltage and inserts large impedance during fault period. MATLAB/Simulink software is used for simulation of the proposed BSSFCL.
DGs have been a major component in addressing environmental, technological, and economic concerns... more DGs have been a major component in addressing environmental, technological, and economic concerns throughout the history of power system development. The usage of DGs based on renewable energy supplies has decreased climate change worries substantially. Furthermore, the stability of DGs at consumption sites might provide some of the load from these resources, resulting in lower power transmission system loads and losses. The rising interest in pooling renewable energy resources in power microgrids poses a significant challenge in terms of power system reliability and control. In the recent decade, the subject of microgrid autonomous control has gotten a lot of attention. For islanded microgrids, a hierarchical control method can be used as the power system control architecture. Various approaches for hierarchical microgrid control have been explored thus far. The most up-to-date main control approaches for autonomous microgrid operation are described in this study. Index Terms – Vol...