针对配电网中分布式电源渗透率提高导致的潮流倒送、电压波动和供电能力不足等问题,文中提出一种基于储能特性的三端智能软开关(three-terminal intelligent soft open point, E-SOP)有源配电台区优化控制策略。首先,深入分析E-SOP的拓...针对配电网中分布式电源渗透率提高导致的潮流倒送、电压波动和供电能力不足等问题,文中提出一种基于储能特性的三端智能软开关(three-terminal intelligent soft open point, E-SOP)有源配电台区优化控制策略。首先,深入分析E-SOP的拓扑,建立其数学模型,为后续优化控制奠定基础。其次,提出一种基于电压-功率灵敏度的ESOP选址规划模型,以确定其最佳安装位置。在此基础上,构建以综合费用和电压偏差最小化为目标的优化模型,实现E-SOP容量配置。该模型通过锥松弛技术转换为二阶锥规划模型,并采用粒子群算法求解。最后,通过IEEE33节点柔性互联系统的仿真验证所提策略的有效性,并在IEEE 69节点系统中进一步验证其适用性和优越性。结果表明,相比传统无E-SOP互联系统,所提策略可使电压偏差降低2.24%,日均损耗减少50.41%,综合成本下降21.74%,适用于不同规模的配电系统。展开更多
This paper investigates the problem of distributed cooperative guidance law design for multiple anti-ship missiles in the three-dimensional(3-D)space hitting simultaneously the same target with considering the desired...This paper investigates the problem of distributed cooperative guidance law design for multiple anti-ship missiles in the three-dimensional(3-D)space hitting simultaneously the same target with considering the desired terminal impact angle constraint.To address this issue,the problem formulation including 3-D nonlinear mathematical model description,and communication topology are built firstly.Then the consensus variable is constructed using the available information and can reach consensus under the proposed acceleration command along the line-of-sight(LOS)which satisfies the impact time constraint.However,the normal accelerations are designed to guarantee the convergence of the LOS angular rate.Furthermore,consider the terminal impact angle constraints,a nonsingular terminal sliding mode(NTSM)control is introduced,and a finite time convergent control law of normal acceleration is proposed.The convergence of the proposed guidance law is proved by using the second Lyapunov stability method,and numerical simulations are also conducted to verify its effectiveness.The results indicate that the proposed cooperative guidance law can regulate the impact time error and impact angle error in finite time if the connecting time of the communication topology is longer than the required convergent time.展开更多
文摘针对配电网中分布式电源渗透率提高导致的潮流倒送、电压波动和供电能力不足等问题,文中提出一种基于储能特性的三端智能软开关(three-terminal intelligent soft open point, E-SOP)有源配电台区优化控制策略。首先,深入分析E-SOP的拓扑,建立其数学模型,为后续优化控制奠定基础。其次,提出一种基于电压-功率灵敏度的ESOP选址规划模型,以确定其最佳安装位置。在此基础上,构建以综合费用和电压偏差最小化为目标的优化模型,实现E-SOP容量配置。该模型通过锥松弛技术转换为二阶锥规划模型,并采用粒子群算法求解。最后,通过IEEE33节点柔性互联系统的仿真验证所提策略的有效性,并在IEEE 69节点系统中进一步验证其适用性和优越性。结果表明,相比传统无E-SOP互联系统,所提策略可使电压偏差降低2.24%,日均损耗减少50.41%,综合成本下降21.74%,适用于不同规模的配电系统。
文摘This paper investigates the problem of distributed cooperative guidance law design for multiple anti-ship missiles in the three-dimensional(3-D)space hitting simultaneously the same target with considering the desired terminal impact angle constraint.To address this issue,the problem formulation including 3-D nonlinear mathematical model description,and communication topology are built firstly.Then the consensus variable is constructed using the available information and can reach consensus under the proposed acceleration command along the line-of-sight(LOS)which satisfies the impact time constraint.However,the normal accelerations are designed to guarantee the convergence of the LOS angular rate.Furthermore,consider the terminal impact angle constraints,a nonsingular terminal sliding mode(NTSM)control is introduced,and a finite time convergent control law of normal acceleration is proposed.The convergence of the proposed guidance law is proved by using the second Lyapunov stability method,and numerical simulations are also conducted to verify its effectiveness.The results indicate that the proposed cooperative guidance law can regulate the impact time error and impact angle error in finite time if the connecting time of the communication topology is longer than the required convergent time.
