| 1. | Determine the voltage stability limit is an important job for the static voltage stability research
在静态电压稳定的研究中，确定电压稳定极限是一项非常重要的工作。 |
| 2. | Static voltage can exert irritating effect on heart disease , schizophrenia , neurasthenic . so the garments and bedclothing cannot only make you feel uncomfortable but also do harm to your health
静电压对心脏病，精神分裂症，重度神经衰弱有强刺激，所以化纤服饰，被褥贴身使用不仅会不舒服，而且对身体有害。 |
| 3. | In sum , the main contents of the thesis include : 1 . analyses of the impact of different load characteristics on static voltage stability with the v - p - and - v - q curves of power system loads
归纳起来,本文的主要内容包括: 1 .应用电力系统负荷的电压-功率特性曲线,分析了不同负荷的负荷特性对静态电压稳定性的影响。 |
| 4. | Based on the summarization of previous work , this dissertation conducts systematical research work on static voltage stability , such as load modeling and contingency screening and ranking
本文在总结前人研究工作的基础上，对电力系统静态电压稳定做了较为深入的研究，主要包括对负荷模型的研究和故障筛选算法的研究。 |
| 5. | After load fiow study in each sample , distance to static voltage stability boundary is calculated . when static voltage instability will occur , load curtailment with optimum location and amount is executed
在每个抽样样本执行潮流计算后，判断系统距离静态电压失稳的距离，当可能发生静态电压失稳时，执行切负荷控制措施，寻找最优切负荷位置及切负荷量。 |
| 6. | The general framework of voltage stability real - time monitoring and controlling is expounded , and one real system application case of this framework is narrated . the practical performances of common used static voltage stability analysis algorithm are briefly discussed
阐述了电压稳定实时监控的一般框架，以及该框架理论在某实际系统中的实际应用情况，并简要评述了一些常用静态电压稳定分析算法的实际性能。 |
| 7. | This thesis carries out studies around the impact of load characteristics on voltage stability - the key problem of power system voltage stability analysis . the impact of load characteristics on static voltage stability is analyzed with the methods based on v - p - and - v - q curves , and the dynamic voltage stability of different loads in the context of both small disturbances and large disturbances is studied with the method of time domain simulation
本文围绕电力系统电压稳定性分析中的关键问题-负荷特性对电压稳定性的影响这一问题展开研究,采用v - p , v - q曲线分析法分析了负荷特性对静态电压稳定性的影响,并采用时域仿真法研究了大扰动和小扰动下负荷的动态电压稳定性。 |
| 8. | The current research on the steady - state operation of grid - connected wind farms is introduced , including the power flow calculation models for power systems which contain wind farms , the analytic methods and models for the static voltage stability of wind farms , the voltage static stability indices and measures to control the voltage stability , the factors influencing the maximum power injection of wind farms and main relevant analytic methods , indices for wind farm scale , and the capacity credit
摘要介绍了风力发电并网的稳态运行的研究现状，包括含风电场的电力系统潮流计算及模型，风电场的静态电压稳定性的分析方法与模型，电压静态稳定性指标和控制电压失稳措施，风力发电最大注入功率的影响因素及主要分析方法，衡量发电规模的指标及容量可信度等。 |
| 9. | The impact of load characteristics and on load tap changer on static voltage stability is analyzed with the methods based on v - q and v - p curves , and the phenomenon of voltage stability voltage instability and voltage collapse are studied with steady - state simulation . finally the thesis presents the essential explanations of both voltage stability and the mechanism of voltage collapse . xu yonghua ( electrical engineering ) directed by prof
通过电压?功率曲线分析法定性分析了不同负荷特性和有载调压变压器对静态电压稳定性的影响，并通过静态仿真法从物理现象上研究了电压失稳和电压崩溃现象，最后针对这些现象给出了关于电压稳定、以及电压崩溃的本质解释。 |
| 10. | The procedure of the test is as follows : first , the piezoelectric stack has been examined to test the performance parameters of the piezoelectric material ; second , the 2 - x actuator has been functioned with different static voltage to test its capability ; last , function the 2 - x actuator with voltage with different frequencies to test its dynamic properties . all the output of the actuator has been measured by the laser vibration measurement
首先对压电堆进行试验,验证压电材料的性能参数;再对推挽式双x驱动器施加不同的静电压驱动它,验证作动器的驱动能力,最后对推挽式双x驱动器输入不同频率的电压驱动,测量该驱动机构的动态特性,试验均采用激光测试仪测量推挽式双x驱动器的输出特性。 |
