hvdc system造句

• Control and protect section is the most pivotal section in hvdc system
  高压直流输电系统中最关键的部分是控制保护部分。
• Guide to the specification and design evaluation of a . c . filters for hvdc systems
  hvdc系统用交流过滤器的规范和设计评价指南
• Guide to the specification and design evaluation of a . c . filters for hvdc systems
  hvdc系统用交流过滤器的规范和设计评价指南
• In this paper, a coordinated recovery strategy for multi-infeed hvdc system is proposed
  提出了一种针对多馈入直流输电系统的协调恢复控制策略。
• Design of supplemental sub-synchronous oscillation damping control based on h robust control theory of hvdc system
  鲁棒控制理论的高压直流输电系统附加次同步振荡阻尼控制设计
• In future, several hvdc systems will set in shanghai, which is expected to create a multi-inked hvdc system
  摘要未来多个直流输电系统落点于上海地区，将构成多馈入直流输电系统。
• In future, several hvdc systems will set in shanghai, which is expected to create a multi-inked hvdc system
  摘要未来多个直流输电系统落点于上海地区，将构成多馈入直流输电系统。
• A method based on the eigenvalue decomposition technique, known as modal analysis of multi-infeed hvdc systems
  最近，一种基于特征值分解技术的模态分析方法，已用于交直流混合系统的电压稳定性分析中。
• The stability problems of hvdc systems will become important . this thesis aims at controlling hvdc systems to improve the stability of power systems
  本论文主要是提出了一种有效的控制方法来改善高压直流输电系统的动态性能。
• The stability problems of hvdc systems will become important . this thesis aims at controlling hvdc systems to improve the stability of power systems
  本论文主要是提出了一种有效的控制方法来改善高压直流输电系统的动态性能。
• Simulation results acquired by using netomac software show that the controllers work better than the traditional pi controllers for the stability of hvdc system
  通过netomac数字仿真实验证明该控制器比常规的pi控制器具有更好的控制效果。
• The main works are as follows : a new hybrid simulation model of hvdc system is established based on netomac's hybrid simulation function in this paper
  主要内容包括：1基于netomac软件的混合仿真功能，建立了直流输电系统的混合仿真计算模型。
• This paper designed a nonlinear controller for hvdc system by the relation extent method . then validate it by digital simulation
  本文在系统数学模型的基础上采用关系度和零动态结合的方法设计了高压直流输电系统非线性控制器，并进行了仿真验证。
• This simplification principle is the foundation of the following analysis . using the test signal method, a detailed analysis of subsynchronous oscillation for a hvdc system is performed
  (3)对一个仅含有直流输电线路的系统，采用复转矩系数----测试信号法，对其次同步振荡特性进行了分析。
• The performance of its basic controller decides the operation condition of hvdc system . for improving the system stability in ac / dc system, the additional controller is very important
  直流输电系统能否正常运行与其基本控制器的性能息息相关，附加控制器又是提高交直流互联系统运行稳定性的重要保证。
• For multi-infeed hvdc systems, when the minimum eigenvalue of the system becomes zero, the voltage stability graph can be plotted effective short circuit ratio as function of coupling impedance
  对于多馈入hvdc系统，在最小特征值为零的情况下，可以根据这种关系作出有效短路比?连接阻抗图，即电压稳定图。
• The converters of the hvdc system yield harmonic voltages and currents because of its non-linearity . when the harmonic currents inject the ac and dc systems connected to the converters, they will do harm to the systems
  高压直流输电系统中的换流站由于自身的非线性，换流站将产生谐波电压和电流注入它连接的交流系统和直流系统。
• The simulation results show that, with the proposed coordinated recovery strategy implemented, the recovery performance of the tested multi-infeed hvdc system has been improved a lot when compared with the conventional control strategy "
  该方法更注重直流系统两端控制间的协调，更注重在直流系统恢复期间对其换流母线电压的维持。
• From the viewpoint of electrical damping, this dissertation focus on the damping analysis of subsynchronous oscillation for different systems, such as hvdc system, hybrid ac / dc system and multiple-converter hvdc system
  目前，直流输电技术已经在我国得到了广泛的应用，并且在今后的几十年中，直流输电在我国还将有更为广阔的应用前景。
• From the viewpoint of electrical damping, this dissertation focus on the damping analysis of subsynchronous oscillation for different systems, such as hvdc system, hybrid ac / dc system and multiple-converter hvdc system
  目前，直流输电技术已经在我国得到了广泛的应用，并且在今后的几十年中，直流输电在我国还将有更为广阔的应用前景。