Abstract
This paper presents a novel method to mitigate the overvoltage transients caused by the circuit breaker operation in the low voltage DC (LVDC) systems. This method is based on using the existing supercapacitor energy storage system (ESS) in the DC grids to limit the switching overvoltage within the standard range. The supercapacitor sizing is performed with considering instability problems of the constant power loads (CPLs) and the boundary between underdamped and overdamped modes. Firstly, a simplified DC system is considered and the analytical expressions are presented to determine the boundary values of the supercapacitor. Effects of the system parameters on the allowable range of the supercapacitor are also discussed. Then, an approach is introduced to determine the boundary values of the supercapacitor for more detailed models of the LVDC systems. This approach applies SimPowerSystems and Control System Toolbox of the MATLAB software. Finally, the effectiveness of the proposed method is verified using simulation.
References
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© 2019 Walter de Gruyter GmbH, Berlin/Boston
Articles in the same Issue
- Research Articles
- Determining Optimal Strategy of a Micro-Grid through Hybrid Method of Nash Equilibrium –Genetic Algorithm
- A Stochastic Model Based on Markov Chain to Support Vehicle-to-Grid (V2G) Operation in Smart Distribution Network
- Adaptive Automatic Voltage Regulation in Rural 0.38 kV Electrical Networks
- Comparative Analysis of Symmetrical/Asymmetrical Quasi Z-Source Cascaded Multilevel Inverter with Alternative Phase Opposition Disposition Technique
- Optimal Unit Commitment with Concentrated Solar Power and Thermal Energy Storage in Afghanistan Electrical System
- Enhancing Power Distribution Feeders Restoration with a Probabilistic Crew Dispatch Method: Case Studies using Historical Data from a Brazilian Power Distribution Company
- Fault Detection and Location of Broken Power Line Not Touching the Ground
- Demand Response of an Industrial Buyer considering Congestion and LMP in Day-Ahead Electricity Market
- A Method Based on A Supercapacitor Energy Storage System to Overcome the Switching Overvoltage in LVDC Systems with Constant Power Loads
- Review of Congestion Management Methods from Conventional to Smart Grid Scenario
Articles in the same Issue
- Research Articles
- Determining Optimal Strategy of a Micro-Grid through Hybrid Method of Nash Equilibrium –Genetic Algorithm
- A Stochastic Model Based on Markov Chain to Support Vehicle-to-Grid (V2G) Operation in Smart Distribution Network
- Adaptive Automatic Voltage Regulation in Rural 0.38 kV Electrical Networks
- Comparative Analysis of Symmetrical/Asymmetrical Quasi Z-Source Cascaded Multilevel Inverter with Alternative Phase Opposition Disposition Technique
- Optimal Unit Commitment with Concentrated Solar Power and Thermal Energy Storage in Afghanistan Electrical System
- Enhancing Power Distribution Feeders Restoration with a Probabilistic Crew Dispatch Method: Case Studies using Historical Data from a Brazilian Power Distribution Company
- Fault Detection and Location of Broken Power Line Not Touching the Ground
- Demand Response of an Industrial Buyer considering Congestion and LMP in Day-Ahead Electricity Market
- A Method Based on A Supercapacitor Energy Storage System to Overcome the Switching Overvoltage in LVDC Systems with Constant Power Loads
- Review of Congestion Management Methods from Conventional to Smart Grid Scenario