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首页> 外文期刊>IOSR journal of electrical and electronics engineering >Impact of UPFC on Distance Relay: A Case Study
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Impact of UPFC on Distance Relay: A Case Study

机译：UPFC对距离继电器的影响：一个案例研究

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摘要

In the power transmission system FACT controller is incorporated in the transmission line in order to increase power transfer capability as well as reactive power control. The FACT devices which combine the feature of shunt fact devices and series fact devices are considered i.e. UPFC (Unified power flow controller) which address the issue of adaptive protection of a transmission line where this device is located at the different position of transmission line like middle of the transmission line, sending end and receiving end of transmission line. Design and simulating the UPFC incorporated in transmission line is done in PSCAD/EMTDC software. The impact of UPFC on the distance relay is described by impedance trajectory, disturbance in voltage and current and apparent impedance is carried out in the presence of UPFC for different fault calculation.
机译：在输电系统中，FACT控制器集成在输电线中，以提高输电能力和无功功率控制。结合了分流事实设备和串联事实设备的特征的FACT设备被认为是UPFC（统一潮流控制器），它解决了该设备位于传输线不同位置（如中间）的传输线自适应保护问题传输线，传输线的发送端和接收端。包含在传输线中的UPFC的设计和仿真是在PSCAD / EMTDC软件中完成的。 UPFC对距离继电器的影响通过阻抗轨迹，电压和电流扰动以及视在阻抗的存在来描述，其中UPFC用于不同的故障计算。

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