نتایج جستجو برای: sssc
تعداد نتایج: 265 فیلتر نتایج به سال:
in this paper, a novel method is developed for designing the output feedback controller for static synchronous series compensator (sssc). in the proposed method, the problem of selecting the output feedback gains for the sssc controllers is changed into an optimization problem with a time domain-based objective function.then, it is solved by using the particle swarm optimization (pso) algorithm...
In this paper, a novel method is developed for designing the output feedback controller for Static Synchronous Series Compensator (SSSC). In the proposed method, the problem of selecting the output feedback gains for the SSSC controllers is changed into an optimization problem with a time domain-based objective function.Then, it is solved by using the particle swarm optimization (PSO) algorithm...
In this paper, two vector control systems for investigating the performance of Static Synchronous Series Compensators (SSSC) in steady state conditions are presented that are based on famous d-q axis theory. The workability of proposed method to simplify the SSSC mathematical expressions is shown. The performance of SSSC with two different vector controllers, first based on d-q line current...
با توجه به افزایش روزافزون مصرف انرژی الکتریکی، سیستمهای قدرت امروزی در حاشیه پایداری کمتری نسبت به گذشته کار می کنند. وقوع خاموشیهای بزرگ در سال های اخیر نشان میدهد که ریسک وقوع خاموشی سراسری افزایش یافته است. خطاهای پی درپی، علل اصلی وقوع خاموشیهای بزرگ هستند. در این مقاله، یک استراتژی کنترل اعمال اصلاحی بهینه برای سیستم قدرت اصفهان - خوزستان با استفاده از مدل استاندارد خاموشی opa ارائه ش...
When power systems are expanded and connected together with weak tie lines, the low-frequency oscillations are increased and the stability margin of the power system decreases. Therefore, when designing the transmission system to be used, it is necessary to maintain the dynamic stability of the power system, and to make sure to have the most possible stability margin. SSSC is a FACTS device con...
Low-frequency oscillations (LFO) imperil the stability of the power system and reduce the Capacity of transmission lines. In the power systems, FACTS devices and Power System stabilizers are used to improve the stability. Static synchronous series compensators is one of the most important FACTS devices. This paper investigates the damping of LFO with static synchronous series compensator (SSSC)...
In this paper, it is proposed to apply the mayfly optimization algorithm (MOA) perform coordinated and simultaneous tuning of parameters supplementary damping controllers, i.e., power system stabilizer (PSS) oscillation (POD), that actuate together with automatic voltage regulators synchronous generators static series compensator (SSSC), respectively, for low-frequency oscillations in systems. ...
INTRODUCTION Most published floating clavicle report a dislocation or fracture of one or both ends of the clavicle. CASE PRESENTATION We reported a new framework of this injury in a young triathlon athlete; medial-end displaced fracture with co-existent double disruption of the superior shoulder suspensory complex (SSSC) with the anterior shoulder arch wholly disconnected from the nearby stru...
A transient stability analysis is done for a multi-area power system with Static Synchronous Series Compensator (SSSC) integrated with Superconducting Magnetic Energy Storage (SMES) system. The SSSC is realized with Voltage Source Inverters (VSI) and the SMES is realized as a coil. The real and reactive power reference values are set constant and a three phase fault is created in one of the tra...
this paper presents a method for damping of low frequency oscillations (lfo) in a power system. the powersystem contains static synchronous series compensators (sssc) which using a chaotic harmony searchalgorithm (chsa), optimizes the lead-lag damping stabilizer. in fact, the main target of this paper isoptimization of selected gains with the time domain-based objective function, which is solve...
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