Comparison of Power flow Enhancement for varying loads using different Controllers

International Journal of Power System Operation and Energy Management Pub Date : 2022-01-01 DOI:10.47893/ijpsoem.2022.1133

N. Agrawal, Faheem Ahmed Khan, M. Gowda

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Abstract

The power demand is continuously increasing due to population growth and changes in lifestyle. Due to shortage of generation and transmission facilities it is desired to increase the existing transmission line power transfer capacity in order to meet the rising demand. Fixed capacitors(FC) and TCSC FACTS device are used to increase the power flow of the line .The advantage in TCSC is that it provides variable compensation instead of fixed compensation by FC. In the present work the comparison of power flow enhancement by fixed capacitors , single TCSC and two modules of TCSC are done for three cases . The three cases are load is suddenly increased and decreased, load is suddenly decreased and increased, load is increased and then further increased. Various Power quality issues like voltage sag ,voltage swell are discussed. The THD voltage and receiving end voltage with different controllers/devices are shown. The power flow is more with TCSC in the system than with FC. The power flow is further enhanced using two modules of TCSC in the system.

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不同控制器对不同负载功率流增强的比较

由于人口增长和生活方式的改变，电力需求不断增加。由于发电和输电设施的短缺，人们希望增加现有输电线路的输电能力，以满足日益增长的需求。采用固定电容器(FC)和TCSC FACTS器件来增加线路的功率流，TCSC的优点是提供可变补偿，而不是由FC进行固定补偿。本文针对三种情况，比较了固定电容器、单个TCSC和两个TCSC模块的功率增强效果。三种情况是负荷突然增加又减少，负荷突然减少又增加，负荷增加又进一步增加。讨论了电压跌落、电压膨胀等电能质量问题。显示了不同控制器/设备的THD电压和接收端电压。系统中TCSC的功率流大于FC。通过在系统中引入两个TCSC模块，进一步增强了系统的潮流。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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International Journal of Power System Operation and Energy Management

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