| 1. | One machine - infinity bus system
单机无穷大系统 |
| 2. | And chapter 1 also contains the general introduction and benefits of different types of facts devices . 2 ) chapter 2 outlines the principle of operation and functional operation of 2 different types of facts : svc and statcom
介绍了statcom和svc的基本特性和物理模型，推导建立了安装有statcom和svc的单机无穷大系统的扩展phillips - heffron模型，并得到了相应的系统结构框图。 |
| 3. | Results of simulation based on a single machine to infinite bus system show that the controller has better performance than traditional pi controller in the power system , and makes statcom exert its control effect sufficiently under any circumstance
以单机无穷大系统为例进行仿真的结果证明了所设计多目标控制方法优于pi控制方法，使statcom在任何状态下均能充分发挥其控制效果。 |
| 4. | The nonlinear simulations and dynamic simulating tests show that h pss is insensitive to the changes of operating conditions and perturbations , it can restrain oscillations under a wider range of operating conditions than the conventional pss . the robustness of h pss is very good . yang lin ( power system and its automation ) directed by prof
为了与传统电力系统稳定器进行比较，对单机无穷大系统进行了非线性仿真和动模实验，结果表明： h pss对运行状态的变化以及外界干扰不敏感，能够在较大的运行范围内有效地抑制振荡，显示了很好的鲁棒性。 |
| 5. | The dynamic simulating system used to do the research of governor control had been established by the device . the dynamic simulating tests of gahc used on steam turbine and hydro turbine had been done with the device . the tests were three phases short circuit , restoring synchronous operation and restraining low frequency oscillation in three - machines system
利用该装置对gahc在汽轮发电机和水轮发电机上的控制进行了以下动模实验：单机无穷大系统中三相短路故障实验和发电机发生失步故障后的再同步实验、三机无穷大系统中抑制低频振荡的动模实验。 |
| 6. | As the basic work of the designing and evaluating of fuzzy gpss , the mathematic models of simple hydro - electricity system stability analyzing and controlling are founded and summarized which include the linearized model of hydraulic system - hydoturbine based on the linearized model of hydraulic system considering elastic water hammer and the linearized model of francies turbine , two different linearized model of single - machine infinite - bus system ( k1 - k6 model and c1 - c12 model ) , the nonlinear model of single - machine infinite - bus system based on three - order model of synchronous generator , the model of exciting system and the model of governor
作为设计和评价水电机组模糊gpss的基础，本文归纳建立了简单水电系统稳定分析与控制的数学模型，它包括：计及弹性水击的水力系统线性化模型、混流式水轮机线性化模型以及在此基础上的水力系统?水轮机线性化模型；单机无穷大系统两种详细程度不同的线性化模型，即k _ 1 - k _ 6模型和c _ 1 - c _ ( 12 )模型；基于同步发电机三阶模型的单机无穷大系统非线性模型；励磁系统和调速器模型等。 |
| 7. | In this chapter , mathematical model of a single machine infinite bus power system installed with statcom and svc is derived . 3 ) the possibility of the negative interactions among statcom controllers and svc controller in this smib power system is analyzed by using the rga method , and the time - domain simulation results demonstrate the analyzed results
以这个单机无穷大系统为研究对象，应用相对增益矩阵( rga ， relativegainarray )方法分析了statcom控制和svc控制器之间存在着负交互影响的可能性，并通过仿真实例验证了rga方法分析结果的正确性。 |
| 8. | The surplus transient energy , ( ste ) , produced during the fault period is used as the quantity index to evaluate the damage degree of generator stability . the effect of gahc to the generator stability was analyzed in single machine system and multi - machine system . the results of analysis show that ste could be reduced by the gahc , the ste decrease of controlled generator would be helpful to reduce the coupled disturbance transient energy of other generators in multi - machine system
以发电机在故障期间积累的过剩暂态能量作为发电机稳定性受到危害程度的定量评价指标，在单机无穷大系统和多机系统中对gahc提高发电机稳定性的作用机理进行了理论分析，分析结果表明： gahc能够加速被控机组过剩暂态能量的衰减，在多机系统中被控发电机过剩暂态能量的衰减将减少与之关联的其它发电机受到的耦合暂态势能的扰动量，也就说明在多机系统中gahc在提高本地机组稳定性的同时不会对其它发电机的稳定性产生危害作用。 |
