Dynamic harmonic domain approach to assess performance of three-phase fixed capacitor thyristor controlled reactor (FC-TCR)

B. Jayababu, Reddy G. Nageswara, Vimala Kumar Kurakula
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Abstract

Harmonics have become an important issue as the number of non-linear elements and electronic devices coupled to electrical power systems increases by the day. A Fixed Capacitor Thyristor Controlled Reactor (FC-TCR) is widely used in power systems to continuously control reactive power. This paper presents the harmonic analysis of a three-phase FC-TCR under different operating conditions using the Dynamic Harmonic Domain (DHD) technique. The existing Harmonic Domain (HD) method is widely used to obtain the steady-state harmonics in the power grid. It is not possible to calculate transient harmonics using the harmonic domain method. The dynamic harmonic domain technique also provides a solution for the transient condition. The three-phase FC-TCR is simulated in a MATLAB environment and calculates transient harmonic quantities such as apparent power S(t), reactive power Q(t), real power P(t), and distortion power D(t), RMS values, and distortion factors of the three-phase FC-TCR when subjected to voltage disturbance.
三相固定电容晶闸管控制电抗器(FC-TCR)性能评估的动态谐波域方法
随着与电力系统耦合的非线性元件和电子设备的数量日益增加,谐波已成为一个重要的问题。固定电容可控硅控制电抗器(FC-TCR)广泛应用于电力系统中,实现无功功率的连续控制。本文利用动态谐波域(DHD)技术对三相FC-TCR在不同工作条件下的谐波进行了分析。现有的谐波域(HD)方法被广泛用于获取电网的稳态谐波。用谐波域法计算暂态谐波是不可能的。动态谐波域技术也为暂态提供了一种解决方案。在MATLAB环境下对三相FC-TCR进行仿真,计算出三相FC-TCR在电压扰动下的视在功率S(t)、无功功率Q(t)、实功率P(t)、畸变功率D(t)等暂态谐波量、有效值和畸变因数。
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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