查询词典 transient stability

Influence of induction motor load parameters on power system transient voltage stability .

感应电动机负荷参数对电力系统暂态电压稳定性的影响。

Transient voltage stability is also studied using time domain simulation method.

采用时域仿真法对暂态电压稳定进行了探索性的研究工作。

The model considers not only the cost for static voltage stability,but also that for transient voltage security .

通过满足暂态电压安全约束的无功发电调节与切负荷总代价最小化问题，来表示暂态电压安全风险。

On the other hand, the energy growth of the plane standing wave is calculated according to the nonmodal stability theory. The phenomenon of energy transient growth is discovered.

通过非模态稳定性理论，计算了表面电荷存在时平面驻波的能量增长函数，发现了能量瞬时增长现象。

When the transient fault take place, the transmission line will reclose successful, so the level of the security and stability of network will be improved.

当故障为瞬时性故障时，线路重合成功，可大大提高系统的安全稳定运行水平。

The analysis indicates that STATCOM installed in the middle line can control furthest the transmittable power in the transmission line and enhance transient and steady state stability of power systems.

理论分析得出STATCOM安装在线路的中间时，其调节线路传输的有功功率最大，能够更好地提高系统的稳定性。

This compensation circuit can make the stability of the LDO linear regulator undependent on the effect of load capacitor's equivalent serial resistance, and it also makes the unit gain frequency bandwidth change slightly when the load is varying, thus greatly improving the performance of transient response, Furthermore, on the basis of dynamic frequency compensation, an overcurrent protection circuit is designed.

文章针对LDO稳定性的问题，提出了一种内部动态频率补偿电路，使LDO线性稳压器的稳定性不受负载电容的等效串联电阻的影响，其单位增益带宽也不随负载电流变化而改变，大大提高了瞬态响应特性；采用Hynix 0.5μm CMOS工艺模型对电路进行仿真；此外，该电路在实现动态频率补偿的基础上又加入了系统的过流保护功能，当负载电流大于限制电流时，LDO不能正常工作；当负载电流小于限制电流时，又自动恢复到正常工作状态。

By means of simulation the capacity of the SVC is decided while following factors, such as restraining transient voltage fluctuation of converter bus, increasing the capacity of sectionalized banks of AC filter/capacitor and improving the stability of both AC and HVDC systems at China side, are taken into account.

从抑制换流母线暂态电压波动、提高交流滤波器/电容器分组容量及提高换流站中国侧交直流系统稳定性的角度考虑，通过仿真确定了换流站装设SVC的容量。

After the analysis and the comparison, the intelligent controller which this article designed may avoid excessive greatly and undulates greatly of temperature which controls, the transient process time was shorter than the traditional PID controller, the system has the strong stability and the high robustness, the simulation result has also proven this point.

分析比较的结果表明，本文所设计的智能控制器可避免被控温度的较大超调和较大波动，过渡过程的时间少于传统PID控制器，系统具有较强的稳定性和较高的鲁棒性。

It is not enough to resolve all of the problems related to the hydraulic stability only to analyze the stable field in passing components. Finally, the paper numerically simulated the transient field in prototype's draft tube under different operating conditions by means of Reynolds stress turbulence model and analyzed the law of motion of vortex rope as well as the performance of low-frequency pressure pulsation and compared with field test results.

仅仅对机组的过流部件进行稳定场的CFD数值分析还不足以解决所有与水轮机水力稳定性有关的问题，因此在本论文的最后，采用雷诺应力湍流模型对真机尾水管在不同运行工况下进行了非稳定场的CFD数值解析，分析涡带的运动规律及其产生的低频压力脉动特性，并与真机的试验结果进行了比较，结果比较吻合。

The concept of equivalent rotationally rigidity is offered and the formula of rotationally rigidity is obtained.

主要做了如下几个方面的工作：对伸臂位于顶部的单层框架—筒体模型进行分析，提出了等效转动约束的概念和转动约束刚度的表达式。

Male cats normally do not need aftercare with the exception of the night after the anesthetic.

男猫通常不需要善后除了晚上的麻醉。