Small Signal Modelling, Evaluation & Application of Synchronous Generator-SVC System in Single Machine Environment for Three Different Model of Synchronous Generator

2020 9th International Conference System Modeling and Advancement in Research Trends (SMART) Pub Date : 2020-12-04 DOI:10.1109/SMART50582.2020.9337119

Abhishek Gupta, Nitika Ghosh

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Abstract

In this paper the Small Signal Stability (SSS) of Synchronous Generator (SG) - SVC system is investigated in Single Machine-Infinite Bus environment. The SVC has very important role to compensate reactive power fast and also for damping out power system oscillations and It has damping control loop as well as standard voltage control loop. In this paper there are three Models of Synchronous Generator (SG) has been studied which are SG-1 which has damper winding in both d-axis & q-axis, SG-2 which has damper winding in q-axis only and SG-3 which has no damper winding. These three SG models with SVC system are examined and obtained suitable SG model based on high degree of reliability and minimum computational time requirement by using comprehensive transfer-function (TF) block-diagram model (BDM) of a synchronous generator-SVC system. This transfer function is analyzed by Bode Plot for different variables. The validation of proposed method is done by MATLAB-Simulink Software.

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三种不同型号同步发电机单机环境下同步发电机- svc系统的小信号建模、评价及应用

本文研究了单机-无限母线环境下同步发电机- SVC系统的小信号稳定性。SVC在快速补偿无功功率和抑制电力系统振荡方面具有重要作用，它既具有阻尼控制回路，又具有标准电压控制回路。本文研究了同步发电机的三种型号:SG-1型在d轴和q轴上都有阻尼器绕组，SG-2型只在q轴上有阻尼器绕组，SG-3型没有阻尼器绕组。采用同步发电机-SVC系统的综合传递函数方框图模型(BDM)，对这三种SVC系统的SG模型进行了检验，得到了可靠性高、计算时间最短的SG模型。用波德图对不同变量的传递函数进行了分析。利用MATLAB-Simulink软件对所提方法进行了验证。

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2020 9th International Conference System Modeling and Advancement in Research Trends (SMART)

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