Comprehensive Comparative Analysis of TCSC on Power Flow Regulation in HVAC System

2022 International Conference on Power Energy Systems and Applications (ICoPESA) Pub Date : 2022-02-25 DOI:10.1109/ICoPESA54515.2022.9754443

N. Ahmed, Yin Zhongdong, Tahira Mumtaz, Taha Ather, Kyalumba Kabamba Rudy, Salman Murtaza

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Abstract

Flexible AC Transmission (FACTS) technology is combination of modern power electronics and traditional power flow controls technology. TCSC uses highly reliable, high-power Thyristor components to replace mechanical HVAC switches, so that the electrical parameters can be quickly adjusted in reducing power loss, greatly improving system stability and reliability by impedance adjustment. In this paper, MATLAB simulation of two bus system connected by 230kV Double Transmission Line to the load is presented, to study power flow with a comparison of the system feature with and without TCSC. The working characteristics of TCSC indicate the operating adjustment range of TCSC under various load conditions. The main factors affecting the operating characteristics of TCSC include the controlled firing angle accuracy of the Thyristor, the rated voltage of the FSC and the rated current of the TCR. Another important point of the study is influence of TCSC device parameter design on power system, which indicates that the TCSC greatly improves the real power flow performance in HVAC system and helps in minimizing the power loss.

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TCSC对暖通空调系统潮流调节的综合比较分析

柔性交流输电(FACTS)技术是现代电力电子技术与传统潮流控制技术的结合。TCSC采用高可靠的大功率晶闸管元件代替机械式暖通空调开关，通过阻抗调节，可以快速调整电气参数，减少功率损耗，大大提高系统的稳定性和可靠性。本文采用MATLAB仿真的方法，对230kV双传输线与负载连接的双母线系统进行了仿真，研究了系统的潮流，并对有无TCSC的系统特性进行了比较。TCSC的工作特性表明了TCSC在各种负载条件下的运行调节范围。影响TCSC工作特性的主要因素包括晶闸管的可控发射角精度、FSC的额定电压和TCR的额定电流。研究的另一个重点是TCSC装置参数设计对电力系统的影响，表明TCSC大大提高了暖通空调系统的实际潮流性能，有助于降低功率损耗。

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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2022 International Conference on Power Energy Systems and Applications (ICoPESA)

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