提出了适用于三相电压型PWM整流器的IDA-PB控制策略。基于Hamilton方程推导了三相电压型PWM整流器的PCH(Port Control Hamiltonian)模型,利用系统的无源性设计了PWM整流器的IDA-PB控制算法,对其提出了改进方案。最后对所设计的方法进行...提出了适用于三相电压型PWM整流器的IDA-PB控制策略。基于Hamilton方程推导了三相电压型PWM整流器的PCH(Port Control Hamiltonian)模型,利用系统的无源性设计了PWM整流器的IDA-PB控制算法,对其提出了改进方案。最后对所设计的方法进行了仿真,结果表明所设计的IDA-PB控制算法具有良好的动、静态性能和鲁棒性。展开更多
Concentrated integration of large scale wind power demands stronger robustness of VSC-HVDC transmission. Based on PCHD (Port Controled Hamiltonian with Dissipation) equation, the PCHD model of voltage source converter...Concentrated integration of large scale wind power demands stronger robustness of VSC-HVDC transmission. Based on PCHD (Port Controled Hamiltonian with Dissipation) equation, the PCHD model of voltage source converter (VSC) in abc frame and d-q rotating frame are built and the strict passivity of VSC is proved. Desired energy function is constructed and used as Lyapunov function by assigning link matrix and damping matrix. Impact from VSC equivalent dc resistance is eliminated by additional damping matrix. The IDA-PB (Interconnection and Damping Assignment Passivity-based) controller is designed based on desired equilibrium point and state variable. With different operation conditions, VSC-HVDC and its control system are simulated by software PSCAD/EMTDC, the results show the proposed control strategy has good performance and strong robustness.展开更多
文摘提出了适用于三相电压型PWM整流器的IDA-PB控制策略。基于Hamilton方程推导了三相电压型PWM整流器的PCH(Port Control Hamiltonian)模型,利用系统的无源性设计了PWM整流器的IDA-PB控制算法,对其提出了改进方案。最后对所设计的方法进行了仿真,结果表明所设计的IDA-PB控制算法具有良好的动、静态性能和鲁棒性。
文摘Concentrated integration of large scale wind power demands stronger robustness of VSC-HVDC transmission. Based on PCHD (Port Controled Hamiltonian with Dissipation) equation, the PCHD model of voltage source converter (VSC) in abc frame and d-q rotating frame are built and the strict passivity of VSC is proved. Desired energy function is constructed and used as Lyapunov function by assigning link matrix and damping matrix. Impact from VSC equivalent dc resistance is eliminated by additional damping matrix. The IDA-PB (Interconnection and Damping Assignment Passivity-based) controller is designed based on desired equilibrium point and state variable. With different operation conditions, VSC-HVDC and its control system are simulated by software PSCAD/EMTDC, the results show the proposed control strategy has good performance and strong robustness.
