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A method for on-line static voltage stability margin calculation is presented. 提出了一种可在线应用的静态电压稳定裕度计算方法。
It is presented a voltage stability control method based on power flow tracing. 给出了一种基于有功潮流追踪的电压稳定控制方法。
By use of singular value analysis the impacts of SSSC on power system voltage stability under average growth of power load and load growth at the most sensitive nodes are analyzed in depth. 利用奇异值分析法，深入分析了在负荷平均增长和最灵敏节点负荷增长2种情况下，SSSC对电力系统电压稳定性的影响。
With the perfect protection functions in over voltage, under voltage, over heat, over current, over load, safe and reliable. 具有完善的过压,欠压,过热,过流,过载自动保护功能,安全可靠。
Internal circuit protection includes thermal shutdown with hysteresis, under voltage lockout, locked rotor and dead time protection. 内部电路保护包括因滞后引起的过热关机、欠压锁定、转子锁定以及停机时间保护。
While L1, L2 and L3 phases are over or under voltage, the yellow light is lighted with the unlighted green light and the released relay. L3三相过压或欠压时,黄灯亮,绿灯不亮,继电器释放;
The superior voltage stability of such a Josephson voltage standard has many applications in dc voltage metrology. 此约瑟夫森电压标准杰出的电压稳定性在直流电压计量中可以有许多应用。
Under voltage protection: It means the voltage of the protected circuit is lower than set value. In this case, the yellow indicator light will be lighted. 欠压保护:指被保护线路电压低于设定值。指示灯形式为:黄灯亮;
In the static range , the voltage stability affected from the action of on-load tap changer(OLTC) is discussed by use of the bifurcation theory . 本文利用分叉理论，在静态范围讨论了有载调压变压器分接头调整对电力系统电压稳定性影响问题。
The Device has integrated over-current protection,over-temperature protection and UVLO (Under Voltage Lockout) to provide for a fail safe solution with no external components. 这个器件集成了过流保护、过温保护和U掉压关断的功能，可以不需外转器件实现保护解决方案。
This paper studies the effect of SVC or AVR in improving system voltage stability and reactive compensation. 文中采用配有自动电压调节器(AVR)的发电机励磁与系统母线装设SVC的方法,SVC采用闭环控制,研究其对电压稳定和无功补偿的效果。
Busbar load characteristic parameters play avery important role in voltage stability analysis. 母线负荷特性在电压稳定性分析中有着重要的作用。
Thierry Van Cutsem and Costas Vournas, Voltage Stability of Electric Power Systems, Kluwer Academic Publishers, 1998. 洪永辉，应用于快速计算电压稳定度指标之多维递增演算法，博士论文，清华大学，1997。
The influences of SVC on the Shandong power system are analyzed in transmission capacity and voltage stability. 摘要分别从提高输电能力和电压稳定性两个方面研究SVC的影响。
The results show that the IGA can reduce network losses, and improve system static voltage stability. 实例计算表明，采用该方法对配电网进行无功优化不仅可以降低有功网损，还能提高系统静态电压稳定性。
This paper pays more attention to analyze the accidental conditions of the USB system, and the circuit can detect the overcurrent condition and realize the overcurrent protection, under voltage lockout and over temperature protection. 并针对usb系统工作时可能出现的意外情况 ,通过限流开关内部电路实现过流检测、过流保护、欠压锁定和过热保护功能。
In this method the Jacobi Matrix have the factor of OLTC"s rate, so using it to analyze voltage stability is better. 在这种算法中，其雅可比矩阵包含了OLTC变比的相关信息，因此用其进行系统电压稳定的静态分析更能反映系统的真实状况。
Whole protection（short circuit protection，over current protection，over voltage protection，under voltage protection，polarity confusion protection，anti-islanding protection，thunder protection）. 具有完善得保护功能(过压、欠压、过流、短路、反接、防孤岛效应、防雷等保护措施)。
Simulations show that it can provide realtime monitoring and control of voltage stability. 算例表明用该方法可以进行电压稳定的实时监测和控制。