| 1. | The control system is the core of high voltage direct current ( hvdc ) transmission system 控制系统是高压直流输电系统的核心。 |
| 2. | Recommended practice for test procedures for high voltage direct current thyristor valves 高压直流可控硅换流阀试验程序的推荐实施规程 |
| 3. | High voltage direct current ( hvdc ) power transmission system is a typical nonlinear control system 高压直流输电系统( hvdc )是一个典型的非线性控制系统。 |
| 4. | Recommended practice for fire protection for electric generating plants and high voltage direct current converter stations 发电厂和高压直流转换站的防火推荐规程 |
| 5. | In this paper , constant frequency epgs and high voltage direct current ( h vdc ) , as an example , is simulated 本文是以恒频交流电源系统和高压直流电源系统为例来进行建模和仿真。 |
| 6. | Hvdc ( high voltage direct current ) has many merits , and it will take an important role in national grid 直流输电有很多优点,在全国联网工程中,直流联网将发挥不可替代的作用。 |
| 7. | High voltage direct current ( hvdc ) transmission systems , which are fit for transmission electric power in long distance and large capability , can be widely applied in our country 适合于远距离、大容量输送电力的高压直流输电技术( hvdc )在我国大有用武之地。 |
| 8. | This thesis studied the reason of the hysteresis and nonlinear characteristic of pzt thinner circle plate and cymbal transducer . using the charge control method , we designed a high voltage direct current power supply to control the transducer 分析了压电陶瓷片及cymbal换能器的迟滞非线性成因,并运用电荷控制思路,自行设计了高压可调直流电源对cymbal换能器进行控制。 |
| 9. | Besides , with the development of power electronics technology , control theory and microprocessor technology , a lot of new technology have appeared which impel the wind generating system using high voltage direct current transmission ( hvdc ) 同时,随着电力电子技术、控制技术和微处理器技术的飞跃发展,又有许多新技术出现,它们向风力发电提出了新的和高压直流输电网并网的要求。 |
| 10. | This paper studies the problem of establishing continuous time models of devices of high voltage direct current ( hvdc ) and flexible ac transmission system ( facts ) which include power electronic elements like thyristors with discrete time characteristic and presenis that dynamic phasor method can be adopted to establish continuous time models of these devices 本论文研究了含晶闸管等电力电子元件的电力系统装置(如高压直流输电hvdc装置、灵活交流输电系统facts装置)连续化模型建立的问题,提出采用动态相量法对这些装置建立连续化模型的系统化方法。 |