中间接线接线对发电机静稳定性的影响

S. Shernazarov
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引用次数: 0

摘要

本文给出了有源负载、感性容性负载对同步发电机静态稳定性的影响,并编制了各种负载下发电机功率的角特性。当接通电阻性负载时,会发生Pr (δ)的中间功率抽取。它可以定义为Rg (δ) - Ph (δ) = Pr (δ)之差,取决于角度δ。这种选择的存在导致了发电机静态稳定功率的最终增加。然而,这减少了向接收系统发送功率的可能性。因此,我们可以谈论中间有功负荷对单机电力系统发电机静态稳定性的模糊(正或负)影响。电抗器在长度超过300公里的输电线路末端紧密连接或通过开关连接,以防止切换过程中的过电压,以补偿电力线产生的多余无功功率。电容器电池(CB)有时安装并连接在电力线的中间点,以便在传输高功率通量时保持正常电压水平。值得注意的是,关于并联电抗器和电容器组对静态稳定性影响的结论适用于复杂的电力系统
本文章由计算机程序翻译,如有差异,请以英文原文为准。
EFFECT OF IN T OF INTERMEDI TERMEDIATE CONNEC TE CONNECTIONS ON THE TIONS ON THE GENERATOR`S ST OR`S STATIC STABILITY
This article provides the influence of the active, inductive capacitive load on the static stability of synchronous generators and compiled the angular characteristics of the generator power at various loads. When a resistive load is connected, an intermediate power extraction of Pr (δ) occurs. It can be defined as the difference Rg (δ) – Ph (δ) = Pr (δ), depending on the angle δ. The presence of this selection leads to an increase in the ultimate in static stability generator power. However, this reduces the possibility of transmitting power to the receiving system. Therefore, we can talk about the ambiguous (positive or negative) effect of the intermediate active load on the static stability of the generator of a single-machine power system. The reactors are connected tightly or through switches at the end points of power transmission lines with a length of over 300 km to prevent over voltages during switching to compensate for the excess reactive power generated by power lines. Capacitor batteries (CB) are sometimes installed and connected at intermediate points of power lines in order to maintain normal voltage levels when transmitting high power fluxes. It should be noted that the conclusions regarding the effect of shunt reactors and capacitor banks on static stability apply to complex power systems
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