Intelligent static synchronous compensator with super-capacitor for enhancement of power network security

IF 0.4 Q4 MULTIDISCIPLINARY SCIENCES
Prajakta Vaidya, Vinod Chandrakar
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引用次数: 0

Abstract

Power network security becomes an important issue for power system economics. A proportional integral-based static synchronous compensator in flexible AC transmission systems is generally used to enhance power network security. But, it takes more time to make the network stable and secure. A PI-controlled STATCOM with a super-capacitor as an electrical storage device and transient performance improver helps the network become stable and secure. As the PI controller depends on mathematical modeling, it may respond slowly, affecting the stability and security of the network. A fuzzy logic controller, as an intelligent controller with logical rules, can overcome the slow response problem of PI controllers. Hence, to enhance power network security, an intelligent static synchronous compensator in coordination with a super-capacitor is suggested here. A multimachine network is modeled in a MATLAB environment with severe faults near the generator, making it unstable and unsecure. The validation of the proposed combination is observed by comparing the performance of the network without STACOM, with conventional PI STATCOM, with intelligent STATCOM, and with intelligent STATCOM coordinated with a super-capacitor.
智能超级电容静态同步补偿器,提高电网安全性
电网安全已成为电力系统经济学的一个重要问题。在柔性交流输电系统中,通常采用基于比例积分的静态同步补偿器来提高电网的安全性。但是,要使网络稳定和安全需要更多的时间。采用pi控制的STATCOM,采用超级电容作为电存储装置和暂态性能改善器,使网络变得稳定和安全。由于PI控制器依赖于数学建模,其响应速度可能较慢,影响网络的稳定性和安全性。模糊控制器作为一种具有逻辑规则的智能控制器,可以克服PI控制器响应慢的问题。因此,为了提高电网的安全性,本文提出了一种与超级电容器配合使用的智能静态同步补偿器。在MATLAB环境下对一个多机网络进行建模,该网络在发电机附近存在严重故障,导致网络不稳定和不安全。通过比较无STACOM网络、传统PI STATCOM网络、智能STATCOM网络以及与超级电容协同的智能STATCOM网络的性能,验证了所提出组合的有效性。
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
CiteScore
0.80
自引率
0.00%
发文量
234
审稿时长
8 weeks
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