Congestion is the prime cause of problems, due to open access of power system. The AC Power Transmission Congestion Distribution factor (PTCDF) is suitable for computing change in any line quantity for a change in MW ...Congestion is the prime cause of problems, due to open access of power system. The AC Power Transmission Congestion Distribution factor (PTCDF) is suitable for computing change in any line quantity for a change in MW bilateral transaction. The proposed PTCDF method is more accurate as compared to the DC power distribution factor. With PTCDF ATC can be calculated. After calculating ATC it is possible to know the valid multiple transaction on power system. With the help of ATC calculations congestion problem can be solved in restructured electrical power network. The paper presents the method for calculating ATC using PTCDF.展开更多
The concern of the environment and energy sustainability requests a crucial target of CO_(2)abatement and results in a relatively high penetration of renewable energy generation in the transmission system.For maintain...The concern of the environment and energy sustainability requests a crucial target of CO_(2)abatement and results in a relatively high penetration of renewable energy generation in the transmission system.For maintaining system reliability and security,the transmission company(TRANSCO)has to make strategic planning to handle the uncertainty challenges from the intermittent renewable energy resources.In this paper,a stochastic multi-period multi-objective transmission planning(MPMOTP)model is proposed to reduce correlated uncertainties from renewable energy generation,conventional generation,demand-side variations,market price volatility,and transmission configuration.Three objectives,i.e.social CO_(2)reduction benefit,energy purchase and network expansion cost and power delivery profit,are optimized simultaneously by a developed two-phase multi-objective particle swarm optimization(MOPSO)method.The feasibility and effectiveness of the proposed uncertainty-averse MPMOTP model have been verified by the IEEE 24-bus test system.展开更多
文摘Congestion is the prime cause of problems, due to open access of power system. The AC Power Transmission Congestion Distribution factor (PTCDF) is suitable for computing change in any line quantity for a change in MW bilateral transaction. The proposed PTCDF method is more accurate as compared to the DC power distribution factor. With PTCDF ATC can be calculated. After calculating ATC it is possible to know the valid multiple transaction on power system. With the help of ATC calculations congestion problem can be solved in restructured electrical power network. The paper presents the method for calculating ATC using PTCDF.
基金The authors gratefully acknowledge the finan-cial supports of Danish national project iPower and the great contri-butions of Danish Energy Association and DONG Energy involved in this task.
文摘The concern of the environment and energy sustainability requests a crucial target of CO_(2)abatement and results in a relatively high penetration of renewable energy generation in the transmission system.For maintaining system reliability and security,the transmission company(TRANSCO)has to make strategic planning to handle the uncertainty challenges from the intermittent renewable energy resources.In this paper,a stochastic multi-period multi-objective transmission planning(MPMOTP)model is proposed to reduce correlated uncertainties from renewable energy generation,conventional generation,demand-side variations,market price volatility,and transmission configuration.Three objectives,i.e.social CO_(2)reduction benefit,energy purchase and network expansion cost and power delivery profit,are optimized simultaneously by a developed two-phase multi-objective particle swarm optimization(MOPSO)method.The feasibility and effectiveness of the proposed uncertainty-averse MPMOTP model have been verified by the IEEE 24-bus test system.