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Active Power Flow Control on Cross-Border Connections

机译:跨境连接的有功潮流控制

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Occurrence of unscheduled electric power flows is one of the most important issues challenging safety of any electric power system. To prevent failures related to the phenomenon, power flows in the system are controlled. This paper contains a review of the causes for which power flow control in a system is necessary, methods used to make flow adjustments, and devices used to control power flows in networks. The practical portion of the presented study includes development of a simulation model for the network with the use of PowerWorld software. Presented are also results of measurements of active power and its losses in the states of equilibrium, increased demand for energy, and with phase shift transformer (PST) and thyristor-controlled series capacitor (TCSC) installed in the system. On the grounds of the obtained measurements it was demonstrated how harmful is the effect of unscheduled active power flows on stability of an electric power system. Moreover, the effect of PST and TCSC on active power flows in the system is discussed including advantages and disadvantages of both device types.
机译:计划外的电力流的出现是挑战任何电力系统安全性的最重要问题之一。为防止与该现象相关的故障,系统中的功率流受到控制。本文包含对系统中需要进行功率流控制的原因,进行流量调整的方法以及用于控制网络中功率流的设备的综述。本研究的实际部分包括使用PowerWorld软件开发网络仿真模型。还介绍了有功功率及其在平衡状态下的损耗,对能量的需求增加以及在系统中安装了相移变压器(PST)和晶闸管控制的串联电容器(TCSC)的测量结果。根据获得的测量结果,可以证明计划外的有功功率流对电力系统的稳定性有多有害。此外,还讨论了PST和TCSC对系统中有功功率流的影响,包括两种设备类型的优缺点。

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