The relationship among induction motor stability , system voltage stability , and angle stability is studied detaily by simulation method 用仿真方法详细地研究了感应电动机的稳定性、系统电压稳定性、功角稳定性三者的关系。
Another advantage is that by supplying power to the 12v electrical system from the ima battery , electrical system voltages remain very constant , even under changing electrical system loads 另一个优点是12v电子系统的电源是辅助电机集成电池模块,即使改变电子系统的负载,其电压维持恒定。
The concepts of filtering and sampling power system voltage and current signals for harmonic analysis using the fast fourier transform ( fft ) algorithm by a digital signal processor are introduced 软件算法方面,系统采用传统的快速付立叶变换( fft ) ,对采集的电压和电流信号进行频谱分析。
The key of the dissertation ' s research is the comparison of the influence of static - state compensators and dynamic compensators to system voltage stabilization . it includes steady analysis and transient analysis 该研究论文的技术关键是静态无功补偿装置和动态无功补偿装置在运行中对电网电压稳定性影响的比较,包括稳态和暂态分析。
Reactive power optimization which can improve the quality of system voltage and reduce reactive power loss has not been solved completely because of the complexity of mixed - integer nonlinear programming 电力系统无功优化控制对于提高系统电压质量、降低有功网损具有重要的意义。无功优化问题是非常复杂的非线性混合整数规划问题,一直没有得到很好解决。
Optimized routing algorithm of feasible power flow is proposed in this paper combining with evolutionary programming and the basic principle of system voltage reactive power optimization . this method is heuristic and gets great efficiency 论文充分考虑实际系统电压无功控制的基本原则,结合进化规划方法,对潮流及无功优化问题进行了比较深入地研究,取得了如下研究成果。
For guangdong power grid , this paper states research significance of power system voltage stability , expounds the concept of voltage stability and voltage collapse , the analysis models and methods , gives some measures to prevent the damage of voltage instability 本文针对广东实际电网,论述了电力系统电压稳定问题研究意义,阐述了电压稳定及电压崩溃的概念、电压稳定的分析模型和方法,给出了防止发生电压稳定破坏的措施。
It is researched for the influence of the existing reactive power compensators in sichuan power to system voltage under different disturbances . it is constituted the capacitance and place of installing the dynamic reactive power compensators in sichuan power system 研究四川电网现有的无功补偿装置在电网发生各种扰动时对电网电压的影响;研究动态无功补偿装置对提高电网电压稳定水平的作用;制定动态无功补偿装置在四川电网中的装设容量和地点。
Few reactive power voltage regulations and power flow calculations with this algorithm can ensure the results of power flow and reduction loss . the efficiency of controlling actual system voltage and reactive power optimized control and operation is proved by simulation examples in this paper 利用该算法,只需要少数几次潮流计算和电压无功的调整,就能够保证潮流结果的可行性,并具有明显的降损效益,这对于指导实际系统的电压与无功运行调度,具有重要的实际意义。