A New Method for Fault Current Limiting and Voltage Compensating in Power Systems Using Active Superconducting Current Controller

IF 1.3 Q3 ENGINEERING, MULTIDISCIPLINARY

International Journal of Engineering and Technology Innovation Pub Date : 2020-04-01 DOI:10.46604/ijeti.2020.4700

A. Ghafari, M. Saniei, M. Razaz, A. Saffarian

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引用次数: 0

Abstract

Abstract In this paper, a new method for both fault current limiting and voltage compensating using Active Superconducting Current Controller (ASCC) is proposed. The main objective of this paper is to present an appropriate control strategy for ASCC to achieve both the fault current limiting and voltage compensation purposes. Three different operating modes are defined for ASCC including normal mode, fault current limiting mode, and voltage compensation mode and a proper control strategy is designed for each mode. For the fault current limiting, the model of a typical three-phase system with ASCC is simulated and different states for current limiting in different levels are defined. Also, for the voltage compensating mode, the PI model for the line is considered and the line transmission matrix is obtained when the ASCC is connected at the sending end and middle of the line. Finally, proper settings for ASCC are determined such that the magnitude of the receiving end and the sending end voltages become equal. Simulation results using MATLAB software confirm the proper performance of the proposed method.

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用有源超导电流控制器实现电力系统故障限流和电压补偿的新方法

提出了一种利用有源超导电流控制器(ASCC)实现故障限流和电压补偿的新方法。本文的主要目的是提出一种合适的ASCC控制策略，以达到故障限流和电压补偿的目的。定义了ASCC的正常模式、故障限流模式和电压补偿模式三种不同的工作模式，并针对每种模式设计了相应的控制策略。在故障限流方面，对典型ASCC三相系统模型进行了仿真，定义了不同级别的不同限流状态。对于电压补偿方式，考虑了线路的PI模型，得到了ASCC分别连接在发送端和线路中间时的线路传输矩阵。最后，确定ASCC的适当设置，使接收端和发送端电压的幅度相等。MATLAB仿真结果验证了该方法的有效性。

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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来源期刊

International Journal of Engineering and Technology Innovation ENGINEERING, MULTIDISCIPLINARY-

CiteScore

2.80

自引率

0.00%

发文量

审稿时长

12 weeks

期刊介绍： The IJETI journal focus on the field of engineering and technology Innovation. And it publishes original papers including but not limited to the following fields: Automation Engineering Civil Engineering Control Engineering Electric Engineering Electronic Engineering Green Technology Information Engineering Mechanical Engineering Material Engineering Mechatronics and Robotics Engineering Nanotechnology Optic Engineering Sport Science and Technology Innovation Management Other Engineering and Technology Related Topics.